Re: is ZK better than GWT..?

[david.herv...@gmail.com]

ZK annonces that their approach is a server side centric. Conceptually
speaking GWT and ZK are really two different approaches.
Main argument for using ZK WAS they have a declarative approach to
build the UI. This gap is now obsolote since GWT has the UIBinder.

To my point of view the main advantages using GWT are :
 - its capabality to deal with several browser specific behavior (and
more over to let the user add browser specific behavior via deferred
binding).
 - its client side approach : your server can support load more easily
 - its more natural for Programmers who came from Swing/AWT/SWT/GTK...

On the contrary the learning curve is may be stronger


On Aug 1, 10:08 am, Sebastian Rothbucher
sebastian.rothbuc...@clarities.de wrote:
 HI akhil,

 ZK does not have a 2nd compilation step into JS (and can thus use all
 of Java on both sides). However, you have ongoing client-server
 communication (speed!), you don't have the optimizations google offers
 for your and from what I remember from using ZK, the framework is by
 far not as straightforward: with GWT, you add a widget to a root panel
 and just program the UI; with ZK, you have binding declarations,
 event / update issues, ...  At least I (but it may be me) had much
 more trouble and many more problems to solve before the ZK logic was
 in place (e.g. augment table contents). Finally, you re-use the best
 practices long established in traditional UI programming and this is
 where RIA also aims for when using GWT.

 So for a quick and optimized entry into the subject of RIA - and also
 for quickly implementing larger stuff with a stable framework, I'd use
 GWT. I've been using it for a while now and it turned out to be a very
 solid ground. (Maybe ZK would have done the same when I'd have
 followed it further - all starting issues can surely be solved there
 as well; however, I've never regretted choosing GWT).

 Hope this helps - best Regards
    Sebastian

 On 31 Jul., 12:37, matthieu vidal m...@matthieu-vidal.com wrote:



  Regarding the ZK license and the community arround it, I don't think.

  On 31 juil, 07:41, akhil shastri.ak...@gmail.com wrote:

   pls help me to decide  isZK

   ZK better than GWT..?

   Regards,
   Akhil

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Re: How does Google earn money from GWT?

[Shawn Brown]

Surely one way could be via appengine.

no?

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Re: How does Google earn money from GWT?

[Paul Robinson]

Creating GWT helps to make web apps better and encourages more things to
be web based. Anything that encourages a move to the web will naturally
increase both search and advertising opportunities, and that's where
they make money.

Joyce wrote:
 During my GWT presentation, I was being asked this question which I
 could not answer. It goes, How does Google earn money from GWT?

   

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Re: Development time for GWT apps versus 'traditional' MVC with JSP

[Julius]

I think speed will pick up as we move along, because we are both more
webapp developers than desktop app developers and certainly for me it
took some time to grasp the concept of the event bus, and registering
and catching events. So, as Sebastian suggested, the paradigm shift
took some time and effort.

Secondly, it took time to think about and implement security and to
become familiar with UIBinder.

We're on a pretty tight schedule and in my view we haven't reserved
enough time to get to know the new technology and to learn about third
party solutions that can ease development. I don't know any of the
solutions (incubatir, bikeshed) Subro mentions.

Thanks for sharing your thoughts,

J

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JSONP: Overlays with Optional Attributes (HostedModeException's), How?

[Andrew Hughes]

I'm attempting to perform JSONP (cross domain ajax), just like in this great
article (thanks)
http://eggsylife.co.uk/2010/04/22/gwt-2-jsonp-and-javascript-overlays-with-jsonprequestbuilder/

The json response has optional attributes, it could be...

{error: yay}

or

{response: 53}

The optional attributes are causing my JavaScript Overlay's + JSNI grief...
If I get don't get  {error: yay} and I invoke getResponse()

public final native int getResponse()/*-{
return this.response;
}-*/;

it throws...

com.google.gwt.dev.shell.HostedModeException: Something other than a double
was returned from JSNI method '@com.acme.client.Blah::getResponse()': JS
value of type undefined, expected int

Summary + Questions
1. The JSONP response is doing nothing wrong - it's is perfectly valid
response. Some attributes are optional and Overlays seem to deals with them
poorly.
2. According to the GWT doco,  these HostedModeException only occur in Dev
mode, and never thrown in production mode. So what happens when running in
Production Mode?
3. Are there alternatives to wrapping the JSNI+JSON objects? Can I do
something in JSNI that will handle the undefined attribute happily?

Advice welcome, thanks for reading :)

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Re: DockPanelLayout Displays nothing at all

[Jose Luis Estrella Campaña]

Hi Andreas,

How are you? I may be really lost here, but I can't find the
RootLayoutPanel that you're talking about. in which package can I find
it ? Or is it a property of some kind ?

Thank you very much,

Jose.

On Aug 1, 9:30 pm, andreas horst.andrea...@googlemail.com wrote:
 Hey Jose,

 I'm not really sure but I remember there were a few messages around
 here regarding the *LayoutPanel widgets. Try adding your UI to
 RootLayoutPanel instead of RootPanel.

 Regards,

 Andreas

 On 2 Aug., 02:33, Jose Luis Estrella Campaña jlecamp...@gmail.com
 wrote:



  Hello everyone !

  I've been developing this application using UIBinders and I'm very
  frustrated because when I use DockPanelLayout as my Layout Panel I
  can't get it to display anything at all. I realize I must be missing
  something. but I don't know what it is...

  Here are my code Snippets:

  public class GroupsFrontEnd implements EntryPoint {
          public void onModuleLoad() {
                  RootPanel.get().add(new Application());
          }}

  --- 
  --- 
  -
  public class Application extends Composite {
          private static ApplicationUiBinder uiBinder = GWT
                          .create(ApplicationUiBinder.class);
          interface ApplicationUiBinder extends UiBinderWidget, Application 
  {
          }
          @UiField
          VerticalPanel content;
          public Application() {
                  initWidget(uiBinder.createAndBindUi(this));
                  this.addWidget(new LoginWidget());
          }
          public void addWidget(Widget widget) {
                  content.clear();
                  content.add(widget);
          }}

  --- 
  --- 
  -
  public class LoginWidget extends Composite {

          private static LoginWidgetUiBinder uiBinder = GWT
                          .create(LoginWidgetUiBinder.class);

          interface LoginWidgetUiBinder extends UiBinderWidget, LoginWidget 
  {
          }

          @UiField
          Label loginLabel;
          @UiField
          TextBox loginValueBox;
          @UiField
          Label passwordLabel;
          @UiField
          TextBox passwordValueBox;

          public LoginWidget() {
                  initWidget(uiBinder.createAndBindUi(this));
                  loginLabel.setText(login:);
                  passwordLabel.setText(password:);
          }}

  --- 
  --- 
  -
  !DOCTYPE ui:UiBinder SYSTEM http://dl.google.com/gwt/DTD/xhtml.ent;
  ui:UiBinder xmlns:ui=urn:ui:com.google.gwt.uibinder
          xmlns:g=urn:import:com.google.gwt.user.client.ui
          ui:style
                  .form {
                          float: right;
                          width: 400px;
                          height: 180px;
                  }
          /ui:style

          g:DockLayoutPanel unit='PX'
                  g:center size='500'
                          g:HTML
                                  p
                                          This is where I want to display 
  some Text Content
                                  /p
                          /g:HTML
                  /g:center
                  g:east size='300'
                          g:HTMLPanel
                                  table
                                          tr
                                                  td
                                                          g:Label 
  ui:field=loginLabel /
                                                  /td
                                                  td
                                                          g:TextBox 
  ui:field=loginValueBox /
                                                  /td
                                          /tr
                                          tr
                                                  td
                                                          g:Label 
  ui:field=passwordLabel /
                                                  /td
                                                  td
                                                          g:TextBox 
  ui:field=passwordValueBox /
                                                  /td
                                          /tr
                                  /table
                          /g:HTMLPanel
                  /g:east
          /g:DockLayoutPanel
  /ui:UiBinder
  --- 
  

Re: DockPanelLayout Displays nothing at all

[Jose Luis Estrella Campaña]

Oh Forget about that last message. I found the class, but I'm still a
messenger of bad news. The result of using RootLayoutPanel is still
the same, I can't get it to display the contents of my Widgets.

What am I missing here?

On Aug 1, 9:30 pm, andreas horst.andrea...@googlemail.com wrote:
 Hey Jose,

 I'm not really sure but I remember there were a few messages around
 here regarding the *LayoutPanel widgets. Try adding your UI to
 RootLayoutPanel instead of RootPanel.

 Regards,

 Andreas

 On 2 Aug., 02:33, Jose Luis Estrella Campaña jlecamp...@gmail.com
 wrote:



  Hello everyone !

  I've been developing this application using UIBinders and I'm very
  frustrated because when I use DockPanelLayout as my Layout Panel I
  can't get it to display anything at all. I realize I must be missing
  something. but I don't know what it is...

  Here are my code Snippets:

  public class GroupsFrontEnd implements EntryPoint {
          public void onModuleLoad() {
                  RootPanel.get().add(new Application());
          }}

  --- 
  --- 
  -
  public class Application extends Composite {
          private static ApplicationUiBinder uiBinder = GWT
                          .create(ApplicationUiBinder.class);
          interface ApplicationUiBinder extends UiBinderWidget, Application 
  {
          }
          @UiField
          VerticalPanel content;
          public Application() {
                  initWidget(uiBinder.createAndBindUi(this));
                  this.addWidget(new LoginWidget());
          }
          public void addWidget(Widget widget) {
                  content.clear();
                  content.add(widget);
          }}

  --- 
  --- 
  -
  public class LoginWidget extends Composite {

          private static LoginWidgetUiBinder uiBinder = GWT
                          .create(LoginWidgetUiBinder.class);

          interface LoginWidgetUiBinder extends UiBinderWidget, LoginWidget 
  {
          }

          @UiField
          Label loginLabel;
          @UiField
          TextBox loginValueBox;
          @UiField
          Label passwordLabel;
          @UiField
          TextBox passwordValueBox;

          public LoginWidget() {
                  initWidget(uiBinder.createAndBindUi(this));
                  loginLabel.setText(login:);
                  passwordLabel.setText(password:);
          }}

  --- 
  --- 
  -
  !DOCTYPE ui:UiBinder SYSTEM http://dl.google.com/gwt/DTD/xhtml.ent;
  ui:UiBinder xmlns:ui=urn:ui:com.google.gwt.uibinder
          xmlns:g=urn:import:com.google.gwt.user.client.ui
          ui:style
                  .form {
                          float: right;
                          width: 400px;
                          height: 180px;
                  }
          /ui:style

          g:DockLayoutPanel unit='PX'
                  g:center size='500'
                          g:HTML
                                  p
                                          This is where I want to display 
  some Text Content
                                  /p
                          /g:HTML
                  /g:center
                  g:east size='300'
                          g:HTMLPanel
                                  table
                                          tr
                                                  td
                                                          g:Label 
  ui:field=loginLabel /
                                                  /td
                                                  td
                                                          g:TextBox 
  ui:field=loginValueBox /
                                                  /td
                                          /tr
                                          tr
                                                  td
                                                          g:Label 
  ui:field=passwordLabel /
                                                  /td
                                                  td
                                                          g:TextBox 
  ui:field=passwordValueBox /
                                                  /td
                                          /tr
                                  /table
                          /g:HTMLPanel
                  /g:east
          /g:DockLayoutPanel
  /ui:UiBinder
  --- 
  

Re: multi-file selection upload - swfupload can work with gwt?

[nacho]

I think that GMail now is using html5.

On 31 jul, 15:26, buz...@gmail.com buz...@gmail.com wrote:
 There is a project called swfupload-gwt, which embeds multi-file
 upload capabilities into gwt application.
 We are using that in several applications, so it is quite stable.
 Without Flash you can opt for HTML5 upload, which also supports multi-
 file selection.

 http://code.google.com/p/swfupload-gwt/

 Dmitry

 On Jul 29, 5:11 am, cy dev cydevelo...@gmail.com wrote:

  i am working out a multiple file upload module with gwt (which can
  support multi-file selection).  the most
  available tool i can find is swfupload, however the samples provided
  seems to work with php platform only.

  the progress i am working is to create a HTML widget and embed the
  flash button object, the select dialog prompts and allow multiple
  selection.  however i have no idea how (or if it is possible) to post
  to server, get status response etc.

  gmail seems to do the same to embed the flash button for attaching
  files.  can someone share experience about this?  any samples?
  thanks.

  the object i am embedding is:
  object id=SWFUpload_0 type=application/x-shockwave-flash
  data=../
  swfupload/swfupload.swf?preventswfcaching=1280303624557 width=270
  height=22 class=swfupload
         param name=wmode value=window /
         param name=movie value=../swfupload/swfupload.swf?
  preventswfcaching=1280303624557 /
         param name=quality value=high /
         param name=allowScriptAccess value=always /
         param name=flashvars
  value=movieName=SWFUpload_0amp;uploadURL=
  %2Fv250beta3%2Ffeaturesdemo%2Fupload.php%3Fget_name
  %3Dget_valueamp;useQueryString=falseamp;requeueOnError=falseamp;httpSuccess=123%2C444amp;assumeSuccessTimeout=25amp;params=post_name1%3Dpost_value1%26amp
  %3Bpost_name2%3Dpost_value2amp;filePostName=Filedataamp;fileTypes=*.*amp;fileTypesDescription=All
  %20Filesamp;fileSizeLimit=100%20MBamp;fileUploadLimit=10amp;fileQueueLimit=0amp;debugEnabled=trueamp;buttonImageURL=
  %2Fimages
  %2Fbutton_270x22.pngamp;buttonWidth=270amp;buttonHeight=22amp;buttonText=
  %3Cspan%20class%3D%22btnText%22%3ESelect%20Files...%3C%2Fspan
  %3Eamp;buttonTextTopPadding=3amp;buttonTextLeftPadding=100amp;buttonTextStyle=.btnText
  %20%7B%20font-size%3A%2010%3B%20font-weight%3A%20bold%3B%20font-family
  %3A%20MS%20Shell%20Dlg%3B
  %20%7Damp;buttonAction=-110amp;buttonDisabled=falseamp;buttonCursor=-1 /

  /object

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Re: is ZK better than GWT..?

[Alamoos Walker]

If you asked in ZK forum, I bet the response will be very different.

To me, it is all about the application you are aiming. GWT is so-
called client-centric. It is great (though the slow compilation really
kills me) if you don't need to access a lot of resource from the
server. GWT provides nice way to retrieve data from the server, but it
turned out to nightmare (at least to me) when the application has huge
amount of data to display.

On the other hand, ZK is so-called server-side architecture (though it
provides nice client-side control). It boosts your productivity a lot
if you have to access a lot of server-side resources. The downside is
the application won't work if the connection is broken (I know ZK
allows some client-side programming but it is JavaScript).

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Upload folders and/or Upload Files already on the server

[GKotta]

I need users to give me a bunch of images from their computer, which
will then be displayed in my application. These images will all be in
one folder. Rather than having users upload each image individually, I
want to upload them all at once.

One idea that I came up with is to have them upload a zip file with
the folder and all the images to the blobstore. If I did this, how
would I access each individual image? One possible solution that I
thought of uploading each image to the blobstore after unzipping the
folder. Is this possible?

Another idea is to have them upload the entire folder. Again, how
would I access each individual image?

Any help would be appreciated. Thanks :)

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Announcement: Chrome Extension for GWT Documentation

[Michael Safyan]

Hi. I just wanted to let you know about a Chrome extension for easily
accessing the GWT API reference documentation:
https://chrome.google.com/extensions/detail/ooehfcnceghcfhnilipfdmfoiaahmopc

If you type gwt, gwt20, or gwt21, it will take you straight to
the main page of the API reference documenation. Typing any of those
followed by the name of a class will take you straight to the
documentation for the given class.

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GWT 2.1

[Olli]

Hi @ all.

For our webproject I need to know if it is possible to use grouping
with the Data Presentation Widget?
I haven´t found a documentation about this new Widget so maybe someone
of you can help me.

Olli

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AccessControlExeption: Access Denied

[GKotta]

I am making an application where users upload a file to my application
and I then parse that file. However, when I do so, I get the following
exception:

com.google.gwt.user.server.rpc.UnexpectedException: Service method
'public abstract boolean
com.webapps.rhinestone.client.RhinestoneAdd.readDataLines(java.lang.String,int)'
threw an unexpected exception: java.security.AccessControlException:
access denied (java.io.FilePermission http:\127.0.0.1:\serve?
blob_key=ud9_p4-NuAqHV-db2W_nfQ read)

The line of code where the exception is thrown looks like this:
BufferedReader reader = new BufferedReader(new FileReader(filename));

Is there any way to access the file?

Thanks!

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Re: Need help on generating session id

[eluminous chaitu]

Hello Mani,

when Firefox generates a session id for one process, it is shared within all
the instances of Firefox, as all the instances of Firefox is a single
process and not different instances.
All the instances of Firefox share a common process area which causes to
retain a session id for all instances within that process area. This is same
for IE too.

Thanks  Regards
eluminous Chaitu




On Sat, Jul 31, 2010 at 5:22 AM, Mani mani.pall...@gmail.com wrote:

 Hi, when i try to get session id by using following piece of code
 every time i am getting same session id if i try from same browser
 (with two instance browsers) like Firefox or IE.

 getThreadLocalRequest().getSession().getId()

 Can any one tell me why it is giving same session id.

 Thanks
 Mani

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Re: DockPanelLayout Displays nothing at all

[Jose Luis Estrella Campaña]

Ok, I solved this problem by Making my Parent Widget a LayoutPanel
Widget. Instead of a Basic Panel.

Thanks andreas, your initial guidance was the key for this !

See you next time !

Jose

On Aug 2, 7:16 am, Jose Luis Estrella Campaña jlecamp...@gmail.com
wrote:
 Oh Forget about that last message. I found the class, but I'm still a
 messenger of bad news. The result of using RootLayoutPanel is still
 the same, I can't get it to display the contents of my Widgets.

 What am I missing here?

 On Aug 1, 9:30 pm, andreas horst.andrea...@googlemail.com wrote:



  Hey Jose,

  I'm not really sure but I remember there were a few messages around
  here regarding the *LayoutPanel widgets. Try adding your UI to
  RootLayoutPanel instead of RootPanel.

  Regards,

  Andreas

  On 2 Aug., 02:33, Jose Luis Estrella Campaña jlecamp...@gmail.com
  wrote:

   Hello everyone !

   I've been developing this application using UIBinders and I'm very
   frustrated because when I use DockPanelLayout as my Layout Panel I
   can't get it to display anything at all. I realize I must be missing
   something. but I don't know what it is...

   Here are my code Snippets:

   public class GroupsFrontEnd implements EntryPoint {
           public void onModuleLoad() {
                   RootPanel.get().add(new Application());
           }}

   ---

   ---
-
   public class Application extends Composite {
           private static ApplicationUiBinder uiBinder = GWT
                           .create(ApplicationUiBinder.class);
           interface ApplicationUiBinder extends UiBinderWidget, 
   Application {
           }
           @UiField
           VerticalPanel content;
           public Application() {
                   initWidget(uiBinder.createAndBindUi(this));
                   this.addWidget(new LoginWidget());
           }
           public void addWidget(Widget widget) {
                   content.clear();
                   content.add(widget);
           }}

   ---

   ---
-
   public class LoginWidget extends Composite {

           private static LoginWidgetUiBinder uiBinder = GWT
                           .create(LoginWidgetUiBinder.class);

           interface LoginWidgetUiBinder extends UiBinderWidget, 
   LoginWidget {
           }

           @UiField
           Label loginLabel;
           @UiField
           TextBox loginValueBox;
           @UiField
           Label passwordLabel;
           @UiField
           TextBox passwordValueBox;

           public LoginWidget() {
                   initWidget(uiBinder.createAndBindUi(this));
                   loginLabel.setText(login:);
                   passwordLabel.setText(password:);
           }}

   ---

   ---
-
   !DOCTYPE ui:UiBinder SYSTEM http://dl.google.com/gwt/DTD/xhtml.ent;
   ui:UiBinder xmlns:ui=urn:ui:com.google.gwt.uibinder
           xmlns:g=urn:import:com.google.gwt.user.client.ui
           ui:style
                   .form {
                           float: right;
                           width: 400px;
                           height: 180px;
                   }
           /ui:style

           g:DockLayoutPanel unit='PX'
                   g:center size='500'
                           g:HTML
                                   p
                                           This is where I want to display 
   some Text Content
                                   /p
                           /g:HTML
                   /g:center
                   g:east size='300'
                           g:HTMLPanel
                                   table
                                           tr
                                                   td
                                                           g:Label 
   ui:field=loginLabel /
                                                   /td
                                                   td
                                                           g:TextBox 
   ui:field=loginValueBox /
                                                   /td
                                           /tr
                                           tr
                                                   td
                                                           g:Label 
   ui:field=passwordLabel /
                                                   /td
                                                   td
                                                           g:TextBox 
   ui:field=passwordValueBox /
 

CSS and panel alignment

[Leung]

Hi,

In the host html file, I have a div to specify the location to load the widget 
which is a vertical panel. I add 2 horizontal panel to it. I want the first one 
to be left alignment. The second one is right alignment.
Should I define it from the div tag of the host file? Or should I define it on 
the panel constructor using this.setHorizontalAlignment(align)?

I have tried to use this.setHorizontalAlignment(align) but the alignment not so 
right. Both panel's components are aligning to the left. 

Thanks



  

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Re: CSS and panel alignment

[Rob Coops]

On Mon, Aug 2, 2010 at 1:34 PM, Leung leung1_2...@yahoo.com wrote:

 Hi,

 In the host html file, I have a div to specify the location to load the
 widget which is a vertical panel. I add 2 horizontal panel to it. I want the
 first one to be left alignment. The second one is right alignment.
 Should I define it from the div tag of the host file? Or should I define it
 on the panel constructor using this.setHorizontalAlignment(align)?

 I have tried to use this.setHorizontalAlignment(align) but the alignment
 not so right. Both panel's components are aligning to the left.

 Thanks





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Hi,

I would advise using something along the lines of firebug or the Chrome
developer plugin. Most likely you will see that the style you are trying to
set is not being applied correctly. To me it sounds a lot like the problem
is that the things you are adding are tables not div's (vertical and
horizontal panels are mostly tables) so you might be setting the table
alignment to left and right but the cell contents is not following this
alignment.

Using things like docklayoutpannel and layoutpannel will give you div's that
will make your life a lot easier as they will let the children inherit these
settings just like you expect them to do.

Regards,

Rob

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Re: How does Google earn money from GWT?

[Shawn Brown]

 During my GWT presentation, I was being asked this question which I
 could not answer. It goes, How does Google earn money from GWT?

AdWords is a small product at Google. You may have heard of it. And
it's recently been--the user interface of that has been revamped from
the ground up as a GWT application. -Ray Ryan
http://extgwt-mvp4g-gae.blogspot.com/2009/10/gwt-app-architecture-best-practices.html

AdWords is Google's flagship advertising product and main source of
revenue. Google's total advertising revenues were USD$23 billion in
2009. -http://en.wikipedia.org/wiki/AdWords


Shawn

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Re: How does Google earn money from GWT?

[André Moraes]

GWT is a tool that google uses for his products.

GWT is not intended to make money, but it is a necessary tool to develop
other apps that make Google earn more money.

By making it open-source, google reduces the ammount of money spent on the
GWT, since more people can contribute to the project (writing code, finding
bugs, creating new features).

Also, Google improve his visibility accross the developer community (this
group has 23401 members, which is quite a big community).

-- 
André Moraes
Analista de Desenvolvimento de Sistemas
andr...@gmail.com
http://andredevchannel.blogspot.com/

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Re: is ZK better than GWT..?

[André Moraes]

You can mix both approachs (client-centric and server-centric).

If you have huge calculations there is no sense to do that in the client
(the client will always be slow to perform calculations then your server). I
saw a video on youtube past year that some guys make the first calculation
on the client, if it take to long, the next calculation is done in the
server and they just set the HTML returned from the server.

I think GWT approach is better because you have clear definition of what is
in the client and what is the server and if someone make something wrong you
know where to look.

People new to web programming have a lot of problems with this client/server
separation (I need to teach how HTTP works to a co-worker so her could
understand what is going on with GWT).

Another plus, is that if you don't use GWT-RPC to make your server calls,
your entire client application is server-agnostict so you can use any
backend without recompiling your app. I am writing a JSON-RPC library for
this purpose because I need to integrate .NET server with GWT client.

-- 
André Moraes
Analista de Desenvolvimento de Sistemas
andr...@gmail.com
http://andredevchannel.blogspot.com/

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Re: JSONP: Overlays with Optional Attributes (HostedModeException's), How?

[André Moraes]

I had almost the same problem, what I did was:

Added a function that return true if the error is set, false otherwise:

public final native boolean hasError() /*-{
if (this.error) return true;
else return false;
}-*/;

The i first check if hasError is true, if it is i throw an Exception in my
code, if not, i check the response.

Hope it helps.


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Analista de Desenvolvimento de Sistemas
andr...@gmail.com
http://andredevchannel.blogspot.com/

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Joseph Favara/HQ/Corp/OAI is out of the office.

[Joseph . Favara]

I will be out of the office starting  08/02/2010 and will not return until
08/09/2010.

I will respond to your message when I return. If this is urgnet please
contact Narayanan Pillai at 105986

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Re: Mobile Phone permutation strategy suggestions wanted

[Falcon]

Thanks.

I think I can still get away with using GWT as long as I don't use any
of the built-in layout panels, widgets, etc. I'll let you guys know
how it goes.

On Aug 1, 3:29 am, Sebastian Rothbucher
sebastian.rothbuc...@clarities.de wrote:
 Hi Falcon,

 when turning off JavaScript is criterion, using GWT will become
 virtually impossible: all of the client-side logic with GWT is JS
 only, so running it on e.g. current blackberries will be a hard
 job...
 It's supposed to work quite well on andorid or iPhone (the webkit-
 enabled phones - probably on the Blackberry 6 as well then), but I
 guess it will become hard without JS.

 Hope this helps - best Regards
     Sebastian

 On 29 Jul., 23:36, Falcon msu.fal...@gmail.com wrote:

  Hey all.

  I'm going to be using GWT for some mobile phone web applications. My
  company primarily makes Java desktop applications and wants web
  versions of several of those applications. There's another group here
  that's already using GWT for web apps but they're not concerned with
  mobile phone browsers, so it's best if we use GWT since most
  developers at our company are familiar with Java and GWT's already in-
  use in the company, even if we end up ignoring several features in
  cases where we need mobile phone support.

  I'm using progressive enhancement (meaning the pages need to work with
  JavaScript turned off), and we really can't use most of the built-in
  layout or widgets because of our platform targets and the fact that
  JavaScript support may be non-existent or sketchy. I'm fine with
  building new widgets that work in everything we're targeting and do as
  much as they can without JavaScript while having nice behaviors added
  on with JS. The same widgets should work very well in full-featured
  browsers as well since we'll just be layering behavior on top of them.

  However, I'm wondering what to do about the permutations. For the
  desktop environment, having permutations such as IE6, IE78, Firefox,
  Safari, Chrome (or even, say, Webkit, Gecko, and various flavors of
  IE) make complete sense, but as quickly as the mobile space is moving
  that doesn't make as much sense to me. I understand the benefits of
  deferred binding, and agree that it's crazy awesome that you can get
  download sizes so small and run-times so snappy when compiling to each
  platform, but I'm not sure how plausible that is when we're needing to
  support things like Blackberry 4.6, 4.7, 5.0, NetFront, the various
  Nokia Webkit flavors that aren't quite as fully featured as iPhone/
  Android's version of Webkit, etc. Object/feature detection seems like
  a much better call when you're faced with that many flavors of
  browsers.

  Would it make sense to do permutations for the more modern browsers,
  then do a catch-all for everything else and still use object/feature
  detection in that path? Using object/feature detection for our
  permutations would probably be a nightmare, as once you start testing
  for, say, 100 different features that way then GWT is having to do an
  astronomical number of compiles to allow for all of the different
  combinations of features. Also, while the desktop ecosystem is
  somewhat stable, the mobile ecosystem is currently refreshing much
  more quickly. I don't want to walk us into a situation where we're
  having to touch our apps every 6-8 months when the new crops of phones
  come out.

  I guess we could still get benefit from everything else GWT does (the
  wonderful compilation, minification, etc.) and still use object/
  feature detection throughout the app and just not even worry about
  deferred binding/bootstrapping, but I thought I would ask the GWT
  group for your thoughts as some of you may have had to consider this
  problem before and may be able to offer some insight.

  Thanks!

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GWT applications in clustered environment

[Ameya Kulkarni]

We have a GWT application that needs to be deployed on a clustered
environment with 2 nodes with session persistence. We are seeing an
issue: when node 1 sets something in the session, and node 2 tries to
access, it gets a null. The session variable is of java.lang.Long type
which is Serializable.

Anyone has deployed a GWT app in a clustered env. ?

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GWT Jetty binding other IP

[Ronaldo Rigoni ...]

Hello all,
I need to change the 127.0.0.1 of the Jetty binding IP on startup of GWT
Eclipse Plugin,  to test my app on a different IP.
Any idea?
Regards.

-- 
[]'s,
Ronaldo Rigoni
http://www.ronaldorigoni.com.br
SCJA, SCJP
Ministério da Educação -  CESPE

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Re: Possible problem with GWT URL mechanism and cache

[Chris Conroy]

Ittai,

The server bundled with the Eclipse plugin is Jetty, and it should
work correctly out of the box (read: no extra configuration on your
part). Re-reading your original post, it looks like you might think
you are using development mode (stop the debug) but your URL
indicates you are actually using production mode. Make sure you launch
your development mode session with the ?gwt.codesvr fragment. If you
want to refresh your code without using development mode, you want to
make sure you run a full GWT compile.

On Sun, Aug 1, 2010 at 5:28 AM, Ittai etai...@gmail.com wrote:
 Hi Chris,
 I'm sorry but as I first stated I'm not sure what underlying server
 I'm using as the problem arises when using the built-in server in
 the GWT Eclipse plug-in
 Is this apache? Do you know?
 If so, do you know where I should look for its htaccess file?

 Thanks

 On 30 יולי, 18:56, Chris Conroy con...@google.com wrote:
 If you use Apache, the following .htaccess should work:

 Files *.nocache.*
   ExpiresDefault access
 /Files

 Files *.cache.*
         ExpiresDefault now plus 1 year
 /Files

 See the Compiling and Debugging section of the dev 
 guide:http://code.google.com/webtoolkit/doc/latest/DevGuideCompilingAndDebu...





 On Fri, Jul 30, 2010 at 2:35 AM, Ittai etai...@gmail.com wrote:

  Hi Chris,
  Thanks for your reply.
  I did not configure my web-server what so ever.
  Just used the GWT debug console from inside eclipse (with GWT plug-
  in).
  Can you maybe point me to where I can still check these
  configurations?

  Thanks,
  Ittai
  On Jul 29, 8:38 pm, Chris Conroy con...@google.com wrote:
   This sounds like you misconfigured your webserver to serve up the
   .nocache files as cached.

   On Thu, Jul 29, 2010 at 2:51 AM, Ittai etai...@gmail.com wrote:
Hi,
I'm encountering a problem, currently on IE8 and Win XP, where I can
start up the debug mode on eclipse and enter the URL of my application
on IE8:
   http://localhost:8080/myModule/myModule.html?params
and everything will work properly.
If I stop the debug, change the code and build the application again,
of course new ADE43343.html file are created and when I enter the URL
again in IE8 I see in the debug console in eclipse that a 404 message
has been sent as the browser requested an incorrect URL.
Which on the one hand remained the same(myModule.html), but on the
other hand changed (generated html file).
Another point to notice is that if I clear the cache of the browser
all is well.
Now, the issue is that I need this change from version to version
(generated file to generated file) to be seemless.
I tried adding the following tag to the myModule.html file:
META HTTP-EQUIV=CACHE-CONTROL CONTENT=NO-CACHE
but it did not seem to do the trick.
Has anyone encountered this?
Can you maybe point me to the right direction?
Thanks a lot in advance
ittai

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tablayoutpanel on docklayoutpanel center

[asianCoolz]

looking for tips . i have tablayoutpael in docklayoutpanel's center.
any technique to make each tabs appear on the docklayoutpanel header?

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2.1.0M2 observations with IE7 and IE8

[Ted]

Hello,

I've done a rough comparison of performance of the new data
presentation widgets for different browsers.  I focus on CellTable
because that is our primary need.  The test renders a 20 column table
with 100 rows.  The timings are purely for rendering - no RPC, etc.
Here are my observations.

For safari, firefox  chrome cell table is much faster than FlexTable
and is slightly faster than our home grown table builder.  However for
ie7 and ie8 cell table is even slower than FlexTable.  This is a big
surprise.

I am curious if this is due to milestone status, not yet optimized for
IE browsers?  Unfortunately we are stuck with IE for our application
(internal users).  I am seeking reassurance that this can be addressed
by optimizing the new Cell rendering stuff.

I am happy to share results of my evaluation to have other ppl
reproduce findings, etc.

Thanks,
Ted

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Re: GWT Jetty binding other IP

[Rajeev Dayal]

Add the following to the Program Arguments section of your launch config:

-bindAddress ip address

Use 0.0.0.0 to bind to all valid addresses.


On Mon, Aug 2, 2010 at 10:00 AM, Ronaldo Rigoni ... rrig...@gmail.comwrote:

 Hello all,
 I need to change the 127.0.0.1 of the Jetty binding IP on startup of GWT
 Eclipse Plugin,  to test my app on a different IP.
 Any idea?
 Regards.

 --
 []'s,
 Ronaldo Rigoni
 http://www.ronaldorigoni.com.br
 SCJA, SCJP
 Ministério da Educação -  CESPE


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Re: GWT applications in clustered environment

[jocke eriksson]

Well it has nothing to do with GWT, look on the faq for your container.

2010/8/2 Ameya Kulkarni amey...@gmail.com

 We have a GWT application that needs to be deployed on a clustered
 environment with 2 nodes with session persistence. We are seeing an
 issue: when node 1 sets something in the session, and node 2 tries to
 access, it gets a null. The session variable is of java.lang.Long type
 which is Serializable.

 Anyone has deployed a GWT app in a clustered env. ?

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Re: Ecryption best practices (server side, client side, password handling)?

[Danny Goovaerts]

Stefan has allready made some very good comments so I'm not going to
repeat them.
Some more additional thoughts.

Regarding encrypting the data in the database. If a user does not
trust you (yourself and any of the people that have access to your
server) to look at his data in the database,
why would he trust you when you make the claim that his data is
encrypted in the database? Furthermore, encrypting the data precludes
providing any form of application
level support to your users. Unless your service is exactly providing
extremely secure storage of confidential data, I dont' see any reason
for encrypting the data in the database and in that case you should
find some security experts to assist you.
This of course does not mean that you should not take precautions
against data being accessed by unauthorized people or data being
disclosed. But that falls
under traditional secure server deployment.

I'm afraid that there is no easy and proven solution to protect the
confidentiality and integrity of  Internet based communication without
https. The SSL//TLS protocols have been scrutinized by security
experts. Unless you are such an expert, don't
think that you can come up with something that is solid enough. I
personally would not trust any security measure that has not been
published and analysed by the security and encryption community.

Danny
www.cellamea.eu


On 1 aug, 17:06, Stefan Bachert stefanbach...@yahoo.de wrote:
 Hi Sven,

 i did have similar thought in the past.
 Encrypting the database base would solve any Datenschutz data
 protection topic since the application provider would not be able to
 even read the data of his customers.
 However, I do not see any easy solution, yet. Just encrypting any
 database data would destroy any orderings on indexes.
 It would work when only using equivalence, but this is a hard limit.

 The point of encryption should be the server.
 When you doing encryption on client side you must offer the encryption
 and decryption algo, too.
 So it is likely to loose more than to win. (And it is difficult to
 implement encryption without having an integral data type as it is the
 case with javascript).

 To hash the password on client side is equivalent as to put the
 password in clear to the database.
 You loose security when doing so. Any attacker would just send the
 encrypted password, may be to a similar service using the same
 approach!

 Any attacker could substitude the browser and code when he has a legal
 access to the service.
 So he can get the encryption algo and apply it to other users.

 The only thing which is under your control is the server.

 Stefan Bachert
 http::/gwtworld.de

 Inquiries for professional GWT support are welcome.
 I am sorry, I won't do free personal support.

 On 31 Jul., 19:07, Sven sven.ti...@googlemail.com wrote:



  Dear group,

  I want to extend a GWT/GAE application by offering the option to
  encrypt information entered by the user on client side in the
  database. The goal is to increase trust when storing potentially
  sensitive data, e.g. to prevent that people who have access to the DB
  (like me) have read access to the stored information.

  For client-side encryption using GWT I found this 
  post:http://www.mooreds.com/wordpress/archives/000529

  However, others do not even recommend to compute password hashs on the
  client and propose to do that on the 
  server:http://www.owasp.org/index.php/Hashing_Javahttp://stackoverflow.com/q..

  From user's perspective, I would not be comfortable with transmitting
  my data unencrypted to the server (even using HTTPS), as the server-
  side may for example log my information (and my password!). Especially
  for the password-part I would feel unconfortable, as many people tend
  to reuse their passwords (please no discussion about this :-)).

  Currently, I see two options:
  a) Encrypt and decrypt the information on the client using JS/GWT.
  Pro: The password never leaves the browser, the unencrypted
  information never leaves the browser. Con: Depending on the size of
  the data the encryption/decryption may be slow; if loaded via HTTP,
  the JS code may be compromised, etc.
  b) Encrypt and decrypt the information on the server. Pro: Fast. Con:
  The information is transmitted unencrypted.

  What would be your recommendation?

  In case of server-side encryption, would it make sense to hash the
  password on client side and to use the hash to encrypt/decrypt? Or
  would that be a no-go?

  What happens if the user forgets his/her password? All data lost, I
  guess?

  I have no deep practical experience with cryptography, so I would
  appreciate any suggestions or pointers to resources in the web. My
  goal is not to have a bullet proof solution for highly sensitive
  information, but it should be an improvement compared to the current
  implementation (no HTTPs, no encryption).

  Thanks
  Sven

  PS: x-post Google App Engine for Java, Google Web Toolkit

-- 
You 

GWT VECTOR GRAPHICS

[Mepi]

Hello i need to make ipc graphic and i have been using gwt-
visualization but have a lot of issues and a would like to aske
another componenet

can help me?

thanks

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web 2.0 diagrammer visualization toolkits

[chadrasekhar A]

Hi All,
   Can you please list of web 2.0  diagrammer  visualization toolkits that
you are aware of?
And please list out the advantages as well.
Thanks,
Chandra

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Browser Event Propagation

[magat]

Hi,

I'm currently trying to set up a contextual menu on my gwt app, that
is open a MenuBar in a PopupPanel on right-click. Using
event.preventDefault() seems to stop the event propagation in my
browser (Firefox 3.6) : my menu is displayed, not the browser one.

I'm wondering if this behaviour was browser-specific ?  I can't help
but thinking that the event propagation may be different on another
browser. I couldn't find a clear answer in the doc, but maybe I missed
something.


Thanks for reading this post !

Mathieu AGAR

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Development Mode Arguments

[karambol]

Hi all,

I want to use Development Mode with  -port 80 -no server arguments but
when I reopen Eclipse this arguments removing. And I write  time and
again. I'm tired of this bug. Have anyone face this problem? Is there
any solution? or Am I do  Wrong things?

I tried it  with ;

Eclipse 3.6  Google plugin for 3.6

Eclipse 3.5 Google plugin for 3.5

Cheers!

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Re: How does Google earn money from GWT?

[MiguelAngel]

Same could be said about Android, Chrome, Chrome OS, Apps...

As the Internet gets better and better, more people uses it in larger
extentions of time. Then google makes more money in ads and search.

On Aug 2, 3:03 am, Paul Robinson ukcue...@gmail.com wrote:
 Creating GWT helps to make web apps better and encourages more things to
 be web based. Anything that encourages a move to the web will naturally
 increase both search and advertising opportunities, and that's where
 they make money.



 Joyce wrote:
  During my GWT presentation, I was being asked this question which I
  could not answer. It goes, How does Google earn money from GWT?

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Re: Ecryption best practices (server side, client side, password handling)?

[lineman78]

A lot of databases provide encryption so that you can prevent sys
admins from seeing the data without being authenticated to the DB
itself.  Oracle provides it natively, where MySql is a combination of
3rd party software.  If you are really paranoid MySql provides AES
encrypt/decrypt functions.

http://www.hotscripts.com/forums/database/54910-encrypting-mysql-database.html

Like Danny said, no point in reinventing the wheel, just use SSL.
Right now SSL is still justified by the simple fact that it would take
more expensive hardware to break the encryption than any data would be
worth that they may extract in most cases.  For authentication, I
would highly recommend using container managed security though with a
JDBC realm.  Most give you the option for choosing the hash type for
the password.

On Aug 2, 10:20 am, Danny Goovaerts danny.goovae...@gmail.com wrote:
 Stefan has allready made some very good comments so I'm not going to
 repeat them.
 Some more additional thoughts.

 Regarding encrypting the data in the database. If a user does not
 trust you (yourself and any of the people that have access to your
 server) to look at his data in the database,
 why would he trust you when you make the claim that his data is
 encrypted in the database? Furthermore, encrypting the data precludes
 providing any form of application
 level support to your users. Unless your service is exactly providing
 extremely secure storage of confidential data, I dont' see any reason
 for encrypting the data in the database and in that case you should
 find some security experts to assist you.
 This of course does not mean that you should not take precautions
 against data being accessed by unauthorized people or data being
 disclosed. But that falls
 under traditional secure server deployment.

 I'm afraid that there is no easy and proven solution to protect the
 confidentiality and integrity of  Internet based communication without
 https. The SSL//TLS protocols have been scrutinized by security
 experts. Unless you are such an expert, don't
 think that you can come up with something that is solid enough. I
 personally would not trust any security measure that has not been
 published and analysed by the security and encryption community.

 Dannywww.cellamea.eu

 On 1 aug, 17:06, Stefan Bachert stefanbach...@yahoo.de wrote:

  Hi Sven,

  i did have similar thought in the past.
  Encrypting the database base would solve any Datenschutz data
  protection topic since the application provider would not be able to
  even read the data of his customers.
  However, I do not see any easy solution, yet. Just encrypting any
  database data would destroy any orderings on indexes.
  It would work when only using equivalence, but this is a hard limit.

  The point of encryption should be the server.
  When you doing encryption on client side you must offer the encryption
  and decryption algo, too.
  So it is likely to loose more than to win. (And it is difficult to
  implement encryption without having an integral data type as it is the
  case with javascript).

  To hash the password on client side is equivalent as to put the
  password in clear to the database.
  You loose security when doing so. Any attacker would just send the
  encrypted password, may be to a similar service using the same
  approach!

  Any attacker could substitude the browser and code when he has a legal
  access to the service.
  So he can get the encryption algo and apply it to other users.

  The only thing which is under your control is the server.

  Stefan Bachert
  http::/gwtworld.de

  Inquiries for professional GWT support are welcome.
  I am sorry, I won't do free personal support.

  On 31 Jul., 19:07, Sven sven.ti...@googlemail.com wrote:

   Dear group,

   I want to extend a GWT/GAE application by offering the option to
   encrypt information entered by the user on client side in the
   database. The goal is to increase trust when storing potentially
   sensitive data, e.g. to prevent that people who have access to the DB
   (like me) have read access to the stored information.

   For client-side encryption using GWT I found this 
   post:http://www.mooreds.com/wordpress/archives/000529

   However, others do not even recommend to compute password hashs on the
   client and propose to do that on the 
   server:http://www.owasp.org/index.php/Hashing_Javahttp://stackoverflow.com/q..

   From user's perspective, I would not be comfortable with transmitting
   my data unencrypted to the server (even using HTTPS), as the server-
   side may for example log my information (and my password!). Especially
   for the password-part I would feel unconfortable, as many people tend
   to reuse their passwords (please no discussion about this :-)).

   Currently, I see two options:
   a) Encrypt and decrypt the information on the client using JS/GWT.
   Pro: The password never leaves the browser, the unencrypted
   information never leaves the browser. Con: 

Set Padding/Margin for Textbox in DockLayoutPanel?

[jpnet]

I just want to set the padding or margin of my elements in a
DockLayoutPanel.

My UiBinder:
ui:style
.item {

height: 100%;
margin: 5px;
}
/ui:style

g:DockLayoutPanel unit='PX' 
g:center
g:Tree ui:field=treeTasks/g:Tree
/g:center
g:south size=25 
g:TextBox addStyleNames={style.item}  
ui:field=textTask
width=100% placeholder=Enter task.../g:TextBox
/g:south
/g:DockLayoutPanel

I've tried every arrangement that I can think of from changing
padding to margin and putting the style on g:south or even on my
DockLayoutPanel. I really just want some visual space between the
borders of my Textbox and the DockLayoutPanel. What am I doing wrong?

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Re: SerializationException with GWT 2.0.4 and iCal4J

[Thomas Dvornik]

Hey Bernhard,

Not having a default constructor would defiantly cause a problem. Why
don't you use java.util.Date? You could also create your own Date
class and just pull the information you need.

Also, I would recommend using GWT's IsSerializable instead of
Serializable, and put all classes passed between the client and server
in the shared package. Although these aren't necessary, I think it
follow the GWT standards.

Tom

On Aug 1, 8:14 am, bernhard unger.bernh...@googlemail.com wrote:
 Hallo all,

 I am using GWT 2.0.4 and try to implement a service that handles with
 iCal4J calendar objects.
 (http://wiki.modularity.net.au/ical4j/index.php?title=Main_Page)
 However, when I invoke the RPC service a SerializationException is
 thrown:

 com.google.gwt.user.client.rpc.SerializationException: Type
 'net.fortuna.ical4j.model.DateTime' was not included in the set of
 types which can be serialized by this SerializationPolicy or its Class
 object could not be loaded. For security purposes, this type will not
 be serialized.

 I already read the suggestion from article http://code.google.com/
 intl/de/webtoolkit/articles/using_gwt_with_hibernate.html and made a
 CalendarDTO object for the transfer.
 (Additionally I read tons of post for the SerializationException
 problem, without finding a solution).

 Here is my structure of the service:
 
 package mydomain.de.client
 /**
  * The client side stub for the RPC service.
  */
 @RemoteServiceRelativePath(calendar)
 public interface CalendarService extends RemoteService {
         public CalendarDTO getCalendarEvent();}

 /**
  * The async counterpart of codeCalendarService/code.
  */
 public interface CalendarServiceAsync {
         void getCalendarEvent(AsyncCallbackCalendarDTO callback);}

 ---
 package mydomain.client.dto
 /* The data transfer object used on the client (GWT) side */
 public class CalendarDTO implements Serializable {
         private static final long serialVersionUID = 1L;
     private Date date;
         private String name;
         private String uid;

         public CalendarDTO() {};

         public CalendarDTO(Date date, String name, String uid) {
                 this.date = date;
                 this.name = name;
                 this.uid = uid;

         }
 ...
 setter and getter}

 -
 package mydomain.domain
 /* The domain class for the calendar */
 public class MyCalendar implements Serializable {
         private static final long serialVersionUID = 9054803484652745548L;
         private Date eventDate;
         private String eventName;
         private String uid;

         public MyCalendar() {};

         public MyCalendar(CalendarDTO calendarDTO) {
                 eventDate = calendarDTO.getDate();
                 eventName = calendarDTO.getName();
                 uid = calendarDTO.getUid();
         }
 ...
 getter and setter
 ...}

 -
 package mydomain.server
 /**
  * The server side implementation of the RPC service.
  */
 //@SuppressWarnings(serial)
 public class CalendarServiceImpl extends RemoteServiceServlet
 implements
                 CalendarService {
         private static final long serialVersionUID = -7306504057898287672L;
 .
         public CalendarDTO getCalendarEvent() {

                 MyCalendar myCalendar = new MyCalendar();
                 setMyCalendar(myCalendar); // Do iCal4J stuff
                 CalendarDTO calendarDTO = new CalendarDTO();
                 calendarDTO.setDate(myCalendar.getEventDate());
                 calendarDTO.setName(myCalendar.getEventName());
                 calendarDTO.setUid(myCalendar.getUid());
                 return calendarDTO;
         }
 
 -
 For my understanding the server code should be decoupled by the Data
 Transfer Objects CalendarDTO, but
 the serialization exception is still thrown.
 I already did a look in the implementation class of
 net.fortuna.ical4j.model.DateTime one of its superclass (Iso8601)
 does not have a default constructor.
 Could that be the issue?
 Is there a workaround for this problem available?

 Any suggestions are highly appreciated.

 Thanks  regards

 Bernhard

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Re: Where can I put a File to be read/write from RPC Servlet ?

[Jose Luis Estrella Campaña]

H, Well that indeed seems to be the problem, however I've solved
my problem by embedding SQLite inside my ear file. had to go in a
different direction because I was wasting a lot of time. SO, I haven't
looked any further as of why I wasn't able to read the file.

Thanks anyways, and let me know If you find the answer. Oh, and yeah,
it seems that the framework won't allow that kind of read.

Best Regards,

Jose.

On Aug 2, 12:17 am, Sripathi Krishnan sripathi.krish...@gmail.com
wrote:
 Do you have google app engine enabled? It is a setting in Eclipse.

 Google App Engine doesn't allow you to read from the file system - and
 perhaps that may be your issue.

 --Sri

 2010/7/28 Jose Luis Estrella Campaña jlecamp...@gmail.com



  Katharina,

  Hi, and... No, I have not solved it. apparently the file and/or
  directory restrictions are ok, at least according to what I have seen,
  I wonder If there's a problem with the permissions a non-administrator
  user has in Windows vista, but otherwise the file seems to be ok.
  Frankly I don't know what else to do.

  Help me Katharina,

  Sincerely,

  Jose

  On Jul 28, 7:47 am, Katharina Probst kpro...@google.com wrote:
   Did you get this solved? It doesn't look to me like it has anything to do
   with GWT, but it's purely a file permission thing.  Have you set the file
   permissions on your file properly?  Is your server-side directory somehow
   read-restricted?

   On Tue, Jul 27, 2010 at 4:25 PM, Jose Luis Estrella Campaña 

   jlecamp...@gmail.com wrote:
Hello sir !

I have already tried all the ways I mentioned previously, including
the ones you suggested, but the problem remains. It is obviously
according to the stack trace launched by the Exception some sort of
File permission error. I would like to know what can I do about it ?
can you help me a little further, I'm lost.

Good luck,

Jose.

On Jul 27, 3:02 pm, skippy a...@2lehmans.com wrote:
 I would have tried your last example.
 It look like a access problem to the file.  follow the access denied
 message.  See what that get you.
 Sorry, I know how it does.

 On Jul 27, 2:36 pm, Jose Luis Estrella Campaña jlecamp...@gmail.com

 wrote:

  Hi skippy !

  I have tried your suggestion but unfortunately it did not work :(

  I changed the java APIs I used this time but the result is the
  same:
  ...
                try {
                          File f = new File(xml/users.xml);
                          FileReader reader = new FileReader(f);
                          BufferedReader buffer = new
BufferedReader(reader);
                          buffer.readLine();
                          // Read a line of text
                          System.out.println(buffer.readLine());
                  }
  

  The generated exception is:

  Caused by: java.security.AccessControlException: access denied
  (java.io.FilePermission \users.xml read)

  also, If I try it like this: /xml/users.xml with the forward slash
  a
  the beginning it goes for the root of the system which is C:/ and
  it
  still does not work, which I find weird because that's outside the
  application's context, right ?

  Anyways, please help me Skippy.

  Sincerely,

  Jose.

  On Jul 27, 2:13 pm, skippy a...@2lehmans.com wrote:

   If that does not work, ping me again and I will provide a code
sample.

   On Jul 27, 2:09 pm, skippy a...@2lehmans.com wrote:

I would put the file in the WEB-INF/XML/
change the path to the file to xml/users.xml or /xml/user.xml

On Jul 27, 1:57 pm, Jose Luis Estrella Campaña 
jlecamp...@gmail.com
wrote:

 Hello dane !

 You're right in assuming something it's not working. Here's
  the
 thing... I need to read from the xml file so I can perform
  some
 operations on it and then save it again, here's the code I'm
trying to
 get to work:

 import 

 public class GreetingServiceImpl extends RemoteServiceServlet
 implements
                 GreetingService {
         public String greetServer(String input) throws
 IllegalArgumentException {

                 FileInputStream fin;

                 try {
                     fin = new FileInputStream (users.xml);
                     System.out.println( new
DataInputStream(fin).readLine() );
                     fin.close();
                     } catch (IOException e) {
                         System.err.println (Unable to read
  from
file);
                         System.exit(-1);
                     }
                 return success reading file;

         }

 }

 And here's the exception I'm getting:

 Unable to read from file
 .
   

Re: AccessControlExeption: Access Denied

[Thomas Dvornik]

Hey GKotta,

What are you doing before the new FileReader? Are you saving the file
somehow? More code would help, however, make sure the file has read
permissions.

You can also check out the following link for getting the results of a
file upload.

http://google-web-toolkit.googlecode.com/svn/javadoc/1.5/com/google/gwt/user/client/ui/FileUpload.html

If you use AppEngine, checkout

http://code.google.com/appengine/docs/java/blobstore/overview.html
http://code.google.com/appengine/docs/java/javadoc/com/google/appengine/api/blobstore/BlobstoreInputStream.html

Tom

On Aug 2, 12:14 am, GKotta guruko...@gmail.com wrote:
 I am making an application where users upload a file to my application
 and I then parse that file. However, when I do so, I get the following
 exception:

 com.google.gwt.user.server.rpc.UnexpectedException: Service method
 'public abstract boolean
 com.webapps.rhinestone.client.RhinestoneAdd.readDataLines(java.lang.String,int)'
 threw an unexpected exception: java.security.AccessControlException:
 access denied (java.io.FilePermission http:\127.0.0.1:\serve?
 blob_key=ud9_p4-NuAqHV-db2W_nfQ read)

 The line of code where the exception is thrown looks like this:
 BufferedReader reader = new BufferedReader(new FileReader(filename));

 Is there any way to access the file?

 Thanks!

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Re: GWT evaluation: How to realize this specific app scenario? (v.2)

[Thomas Dvornik]

Hey Alessandro,

I'm not a GWT expert, but hopefully this will help.

Your right about the look of the URL, and that would be one way to do
it. Your GWT entry-point (http://base-url/) would process the token,
which is everything after the #. So if you had #comp1;comp2;comp3;
then your entry-point class would instantiate whatever it needs to and
display the correct components.

That should answer your second question as well, if I understood it
correctly. The entry-point class listens on the base URL, and can
call different servlets. Technically, you can have however many
servlets you want to process the Ajax request.

There are some other options too.

1. A GWT app can have multiple entry points. So http://baseurl/comp1/
and http://baseurl/comp2/ can be completely different entry points
in the same project.

2. You could have multiple GWT instances running. In other words, you
can have separate GWT projects for different components or apps.

Tom

On Aug 2, 3:02 am, A.Augustini alessandro.august...@googlemail.com
wrote:
 Really no brief suggestions to these basic topics here???

 I'd really appreciate any helping hints.

 Best regards,
   Alessandro

 On 30 Jul., 19:54, A.Augustini alessandro.august...@googlemail.com
 wrote:

  @Sebastian: Thank you very much for the quick response.

  The link to the Gears binding for GWT was very helpful and just
  what I was looking for.

  Concerning the issue with the bookmarkable URLs (traditional vs.
  Ajax-ified URLs), I'm still not quite sure if I totally understood
  the History mechanism for my scenario:

  Suppose the AdminConsole's main screen is a 'HorizontalSplitPanel
  showing a 'VerticalPanel with multiple available web sites links
  to the left and a corresp. web site details subpanel to the right.
  Clicking one such 'Hyperlink' should kick off the download of the
  corresp. site details and display them on the right subpanel.

  My intention is to have workable URLs as close as possible to

  * http://{base-url}/{site-name}/index.html (index.html suppressible)
  * http://{base-url}/{site-name}/{page-name}.html   (.html suppress.)
  * http://{base-url}/{site-name}/{comp1}/{comp2}/.../{compN}.html

  where only {base-url} is a priori known (i.e. static).

  1. Having N dynamically specified site names, what would the
     Ajax-ified bookmarkable URLs of these 'Hyperlinks' look like?

     Perhaps something comparable to
     http://{base-url}.html#{site-name};{comp1};...;{compN};{sid}; ??

  2. And, what Servlets would be listening to which URL(s) in this
     scenario?

     Is it a 2-sevlets scenario: an AppControllerServlet listening
     to http://{base-url}; and serving traditional requests, and a
     GWT-RPC-Servlet for the Ajax-based requests, listening to
     another (?) url pattern?
     -- Or would just one servlet suffice?

  Thank you all very much for any constructive help in advance.

  Best regards,
    Alessandro

  Following the examples, I guess sth. similar to:

   http://app-base-url/mysite-001.html#state1

  On 30 Jul., 15:54, Sebastian Rothbucher

  sebastian.rothbuc...@clarities.de wrote:
   Hi Alessandro,

   GWT features a history mechanism which could solve the first 
   question:http://google-web-toolkit.googlecode.com/svn/javadoc/1.5/com/google/g...
   orhttp://code.google.com/intl/de-DE/webtoolkit/doc/latest/DevGuideCodin...
   provide info on that: rather than using a file path, you'd use #
   (an identifier after a hash). Many AJAX apps work that way to prevent
   reloads

   GWT is quite powerful concerning internationalization using property
   files (you delcare an interface and provide a property file and bind
   it together using the GWT class)

   Concerning in-place editing, there is surely a way; Google wave is
   implemented in GWT and also features rich editing features.

   Finally, there is a gears binding for GWT (http://code.google.com/p/
   gwt-google-apis/) which you can use for offline storage (modern
   browser or plugin required).

   Hope this helps...
      Sebastian

   On 30 Jul., 13:41, A.Augustini alessandro.august...@googlemail.com
   wrote:

[**Republished to get rid of ugly line-break cluttering**]

Dear GWT Community members:

As GWT newbie I'm currently evaluating GWT for some potential future
projects. After reading available introductory materials, I'm now
wondering if GWT is the appropriate candidate for my specific app
scenario.

Obviously there are 2 basic GWT app dev styles:
(1) desktop-app setup:
       one GWT module on one almost empty carrier HTML page.
(2) traditional-web setup:
       several traditional HTML pages with some GWT widgets.

Supposing this is correct: What would be the ideal GWT app
architecture for the following, more hybrid scenerio?

Say we've to build a kind of Mini Online Site Builder with some
simple CMS functionality and basically consisting of 2 main
requirements for 2 available enduser roles:

AccessControlExeption: Access Denied

[GKotta]

Thanks for your answer.

I am uploading the file to the blobstore and the url is (in this case)
http:\127.0.0.1:\serve?blob_key=ud9_p4-NuAqHV-db2W_nfQ.

Before the line
BufferedReader reader = new BufferedReader(new FileReader(filename));

I set String filename to http:\127.0.0.1:\serve?blob_key=ud9_p4-
NuAqHV-db2W_nfQ

How do you make sure your file has read permissions?

Thanks

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Re: GWT Jetty binding other IP

[XP]

Take a look at

http://code.google.com/p/google-web-toolkit/issues/detail?id=4322

and

http://www.devcomments.com/Connecting-to-embedded-Jetty-from-other-host-than-localhost-at147452.htm

XP



On Aug 2, 10:00 am, Ronaldo Rigoni ... rrig...@gmail.com wrote:
 Hello all,
 I need to change the 127.0.0.1 of the Jetty binding IP on startup of GWT
 Eclipse Plugin,  to test my app on a different IP.
 Any idea?
 Regards.

 --
 []'s,
 Ronaldo Rigonihttp://www.ronaldorigoni.com.br
 SCJA, SCJP
 Ministério da Educação -  CESPE

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Re: IncompatibleRemoteServiceException caused by different RPC Protocol Versions (server: 5, client 6)

[Jason482]

I'm still struggling with this error. Can anyone provide any insight?
I've looked at the code in ClientSerializationStreamReader and
ServerSerializationStreamReader, and it looks like they should be in
sync in regards to RPC version numbers. I'm at a loss as to what is
causing the issue.


On Jul 29, 12:42 pm, Jason482 jason...@gmail.com wrote:
 I'm getting pretty much the same error, except in reverse:

 com.google.gwt.user.client.rpc.IncompatibleRemoteServiceException:
 This application is out of date, please click the refresh button on
 your browser. ( Expecting version 6 from server, got 5. )

 Have you been able to get around this using 2.1.0.M2?

 On Jul 21, 6:54 am, macgyver chrisi.kl...@web.de wrote:



  Hi folks,

  i just upgraded one of my projects from 2.0.4 to 2.1.0.M2.
  The whole reason was to use the new Data Presentation Widgets, which
  indeed are very cool and working.
  On the other hand I went into problems on my RPC calls. It seems like
  the protocol for this has changed: from version 5 up to 6.
  While debugging I got deeper into the GWT code and so found the
  corresponding lines.
  As you can see in the stack trace below, the exception text tells me
  to reload the browser, but this does'nt help.
  May anyone know why the server (on jetty) is still using version 5? Or
  is there another way to force the server/client to use a specific
  version?
  I would be very glad if anybody can tell.

  [WARN] dispatchService: An IncompatibleRemoteServiceException was
  thrown while processing this call.
  com.google.gwt.user.client.rpc.IncompatibleRemoteServiceException:
  This application is out of date, please click the refresh button on
  your browser. ( Expecting version 5 from client, got 6. )
          at
  com.google.gwt.user.server.rpc.impl.ServerSerializationStreamReader.prepare­­ToRead(ServerSerializationStreamReader.java:
  432)
          at com.google.gwt.user.server.rpc.RPC.decodeRequest(RPC.java:236)
          at
  com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServi­­ceServlet.java:
  186)
          at
  com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServi­­ceServlet.java:
  224)
          at
  com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(Abstract­­RemoteServiceServlet.java:
  62)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
          at 
  org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:
  487)
          at
  org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:
  362)
          at
  org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:
  216)
          at
  org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:
  181)
          at
  org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:
  729)
          at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
  405)
          at
  org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
  152)
          at
  org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:
  49)
          at
  org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
  152)
          at org.mortbay.jetty.Server.handle(Server.java:324)
          at 
  org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
  505)
          at org.mortbay.jetty.HttpConnection
  $RequestHandler.content(HttpConnection.java:843)
          at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
          at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
          at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
          at
  org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:
  395)
          at org.mortbay.thread.QueuedThreadPool
  $PoolThread.run(QueuedThreadPool.java:488)- Hide quoted text -

 - Show quoted text -

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Re: Where can I put a File to be read/write from RPC Servlet ?

[Thomas Dvornik]

You are using appengine? Have your tried using the Blobstore?

http://www.google.com/url?sa=Dq=http://code.google.com/appengine/docs/java/blobstore/overview.htmlusg=AFQjCNGCcnwak-j5mdj2dxGi2AmmtX0YUw

Tom

On Aug 2, 11:20 am, Jose Luis Estrella Campaña jlecamp...@gmail.com
wrote:
 H, Well that indeed seems to be the problem, however I've solved
 my problem by embedding SQLite inside my ear file. had to go in a
 different direction because I was wasting a lot of time. SO, I haven't
 looked any further as of why I wasn't able to read the file.

 Thanks anyways, and let me know If you find the answer. Oh, and yeah,
 it seems that the framework won't allow that kind of read.

 Best Regards,

 Jose.

 On Aug 2, 12:17 am, Sripathi Krishnan sripathi.krish...@gmail.com
 wrote:

  Do you have google app engine enabled? It is a setting in Eclipse.

  Google App Engine doesn't allow you to read from the file system - and
  perhaps that may be your issue.

  --Sri

  2010/7/28 Jose Luis Estrella Campaña jlecamp...@gmail.com

   Katharina,

   Hi, and... No, I have not solved it. apparently the file and/or
   directory restrictions are ok, at least according to what I have seen,
   I wonder If there's a problem with the permissions a non-administrator
   user has in Windows vista, but otherwise the file seems to be ok.
   Frankly I don't know what else to do.

   Help me Katharina,

   Sincerely,

   Jose

   On Jul 28, 7:47 am, Katharina Probst kpro...@google.com wrote:
Did you get this solved? It doesn't look to me like it has anything to 
do
with GWT, but it's purely a file permission thing.  Have you set the 
file
permissions on your file properly?  Is your server-side directory 
somehow
read-restricted?

On Tue, Jul 27, 2010 at 4:25 PM, Jose Luis Estrella Campaña 

jlecamp...@gmail.com wrote:
 Hello sir !

 I have already tried all the ways I mentioned previously, including
 the ones you suggested, but the problem remains. It is obviously
 according to the stack trace launched by the Exception some sort of
 File permission error. I would like to know what can I do about it ?
 can you help me a little further, I'm lost.

 Good luck,

 Jose.

 On Jul 27, 3:02 pm, skippy a...@2lehmans.com wrote:
  I would have tried your last example.
  It look like a access problem to the file.  follow the access denied
  message.  See what that get you.
  Sorry, I know how it does.

  On Jul 27, 2:36 pm, Jose Luis Estrella Campaña jlecamp...@gmail.com

  wrote:

   Hi skippy !

   I have tried your suggestion but unfortunately it did not work :(

   I changed the java APIs I used this time but the result is the
   same:
   ...
                 try {
                           File f = new File(xml/users.xml);
                           FileReader reader = new FileReader(f);
                           BufferedReader buffer = new
 BufferedReader(reader);
                           buffer.readLine();
                           // Read a line of text
                           System.out.println(buffer.readLine());
                   }
   

   The generated exception is:

   Caused by: java.security.AccessControlException: access denied
   (java.io.FilePermission \users.xml read)

   also, If I try it like this: /xml/users.xml with the forward slash
   a
   the beginning it goes for the root of the system which is C:/ and
   it
   still does not work, which I find weird because that's outside the
   application's context, right ?

   Anyways, please help me Skippy.

   Sincerely,

   Jose.

   On Jul 27, 2:13 pm, skippy a...@2lehmans.com wrote:

If that does not work, ping me again and I will provide a code
 sample.

On Jul 27, 2:09 pm, skippy a...@2lehmans.com wrote:

 I would put the file in the WEB-INF/XML/
 change the path to the file to xml/users.xml or /xml/user.xml

 On Jul 27, 1:57 pm, Jose Luis Estrella Campaña 
 jlecamp...@gmail.com
 wrote:

  Hello dane !

  You're right in assuming something it's not working. Here's
   the
  thing... I need to read from the xml file so I can perform
   some
  operations on it and then save it again, here's the code I'm
 trying to
  get to work:

  import 

  public class GreetingServiceImpl extends 
  RemoteServiceServlet
  implements
                  GreetingService {
          public String greetServer(String input) throws
  IllegalArgumentException {

                  FileInputStream fin;

                  try {
                      fin = new FileInputStream (users.xml);
                      System.out.println( new
 DataInputStream(fin).readLine() );
                      

Re: How to use external jars and java.awt on server side

[Thomas Dvornik]

Where is the jar located? If needs to be in war/WEB-INF/lib.

Can you use a an InputStream instead of a BufferedImage?

Tom

On Aug 1, 8:51 am, nacho vela.igna...@gmail.com wrote:
 If the lib is not supported by app engine you will need to deploy into
 another server, for example a Tomcat.

 On 30 jul, 19:24, RhinestoneMaster guruko...@gmail.com wrote:

  We're trying to convert a pdf to an image using a software called
  JPedal. This software is in an external jar. Our development
  environment is in eclipse.

  If we include the BufferedImage class in our code, we get this
  compiler error:
  java.awt.image.BufferedImage is not supported by Google App Engine's
  Java runtime environment.

  Also, after adding the JPedal jars to the eclipse library our code
  looks like this:
  String url=C:/2007NissanTowingGuide.pdf;
                                  /**instance of PdfDecoder to convert PDF 
  into image From JPedal*/
                                  PdfDecoder decode_pdf = new 
  PdfDecoder(true);

                                  /**set mappings for non-embedded fonts to 
  use*/
                                  PdfDecoder.setFontReplacements(decode_pdf);

                                  /**open the PDF file - can also be a URL or 
  a byte array*/
                                  try {
                                                  decode_pdf.openPdfFile(url);

                                          /**get page 1 as an image*/
                                          //page range if you want to extract 
  all pages with a loop
                                          //int start = 1,  end = 
  decode_pdf.getPageCount();
                                          //BufferedImage 
  img=decode_pdf.getPageAsImage(1);

                                          /**close the pdf file*/
                                          decode_pdf.closePdfFile();

                                          //RenderedImage rendImage = img;

                                          // Save as JPEG
                                          File file = new File(yimage.jpg);
                                          //ImageIO.write(rendImage, jpg, 
  file);
                                          System.out.println(It worked);

                                  } catch (PdfException e) {
                                      e.printStackTrace();
                                  }
  and we get the following exception:
  java.lang.NoClassDefFoundError: org/jpedal/exception/PdfException
          at java.lang.Class.getDeclaredConstructors0(Native Method)
          at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
          at java.lang.Class.getConstructor0(Unknown Source)
          at java.lang.Class.newInstance0(Unknown Source)
          at java.lang.Class.newInstance(Unknown Source)
          at org.mortbay.jetty.servlet.Holder.newInstance(Holder.java:153)
          at
  org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:
  428)
          at
  org.mortbay.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:
  339)
          at 
  org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:
  487)
          at org.mortbay.jetty.servlet.ServletHandler
  $CachedChain.doFilter(ServletHandler.java:1166)
          at
  com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:
  51)
          at org.mortbay.jetty.servlet.ServletHandler
  $CachedChain.doFilter(ServletHandler.java:1157)
          at
  com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:
  43)
          at org.mortbay.jetty.servlet.ServletHandler
  $CachedChain.doFilter(ServletHandler.java:1157)
          at
  com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:
  122)
          at org.mortbay.jetty.servlet.ServletHandler
  $CachedChain.doFilter(ServletHandler.java:1157)
          at
  org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:
  388)
          at
  org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:
  216)
          at
  org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:
  182)
          at
  org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:
  765)
          at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
  418)
          at
  com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:
  70)
          at
  org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
  152)
          at com.google.appengine.tools.development.JettyContainerService
  $ApiProxyHandler.handle(JettyContainerService.java:349)
          at
  org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
  152)
          at org.mortbay.jetty.Server.handle(Server.java:326)
          at 
  org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
  542)
  

Re: AccessControlExeption: Access Denied

[Thomas Dvornik]

AppEngine is strict on read and write access of files. If its already
in the blobstore, why don't you try something like this,

BufferedReader reader = new BufferedReader(new InputStreamReader(new
BlobStoreInputStream(blob_key)));

Tom

On Aug 2, 11:54 am, GKotta guruko...@gmail.com wrote:
 Thanks for your answer.

 I am uploading the file to the blobstore and the url is (in this case)
 http:\127.0.0.1:\serve?blob_key=ud9_p4-NuAqHV-db2W_nfQ.

 Before the line
 BufferedReader reader = new BufferedReader(new FileReader(filename));

 I set String filename to http:\127.0.0.1:\serve?blob_key=ud9_p4-
 NuAqHV-db2W_nfQ

 How do you make sure your file has read permissions?

 Thanks

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Re: How does Google earn money from GWT?

[Frank Argueta]

I hate stupid spammy sites like yours that steal content and load their site
with ads. Here's the original source of the IO session

http://code.google.com/events/io/2009/sessions/GoogleWebToolkitBestPractices.html

which has a link to the downloadable PDF as well :

http://dl.google.com/io/2009/pres/Th_0200_GoogleWebToolkitArchitecture-BestPracticesForArchitectingYourGWTApp.pdf



On Mon, Aug 2, 2010 at 8:13 AM, Shawn Brown big.coffee.lo...@gmail.comwrote:

  During my GWT presentation, I was being asked this question which I
  could not answer. It goes, How does Google earn money from GWT?

 AdWords is a small product at Google. You may have heard of it. And
 it's recently been--the user interface of that has been revamped from
 the ground up as a GWT application. -Ray Ryan

 http://extgwt-mvp4g-gae.blogspot.com/2009/10/gwt-app-architecture-best-practices.html

 AdWords is Google's flagship advertising product and main source of
 revenue. Google's total advertising revenues were USD$23 billion in
 2009. -http://en.wikipedia.org/wiki/AdWords


 Shawn

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Re: CSS and panel alignment

[Leung]

--- On Mon, 8/2/10, Rob Coops rco...@gmail.com wrote:


From: Rob Coops rco...@gmail.com
Subject: Re: CSS and panel alignment
To: google-web-toolkit@googlegroups.com
Date: Monday, August 2, 2010, 7:41 PM





On Mon, Aug 2, 2010 at 1:34 PM, Leung leung1_2...@yahoo.com wrote:

Hi,

In the host html file, I have a div to specify the location to load the widget 
which is a vertical panel. I add 2 horizontal panel to it. I want the first one 
to be left alignment. The second one is right alignment.
Should I define it from the div tag of the host file? Or should I define it on 
the panel constructor using this.setHorizontalAlignment(align)?

I have tried to use this.setHorizontalAlignment(align) but the alignment not so 
right. Both panel's components are aligning to the left.

Thanks





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Hi,


I would advise using something along the lines of firebug or the Chrome 
developer plugin. Most likely you will see that the style you are trying to set 
is not being applied correctly. To me it sounds a lot like the problem is that 
the things you are adding are tables not div's (vertical and horizontal panels 
are mostly tables) so you might be setting the table alignment to left and 
right but the cell contents is not following this alignment.


Using things like docklayoutpannel and layoutpannel will give you div's that 
will make your life a lot easier as they will let the children inherit these 
settings just like you expect them to do.


Regards,


Rob

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Hi Rob,
 
Thank you very much for your reply.
Yes, you are correct. I put the div within the tr of the table, but I have 
not specified the align of the table. I expect that it would leave it to the 
panels but it doesnt. Is there any secure way to be sure that the align will be 
overrided by the panel/widget if necessary?
 
Thanks
Ming
 


  

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Problem with UTF-8

[Kiarash]

I have a problem with Swedish letters coded in Java files as when I
make a Label with Swedish letters,
Label myLabel = new Label(här är något på Svenska);
the Swedish letters changes to strange characters in the HTML file.

I am using Eclipse.I made sure that:
the html file has meta http-equiv=content-type content=text/html;
charset=UTF-8
the text file properties are UTF-8
the project properties are UTF-8
the edit set encoding are UTF-8


Anybody facing the same problem or have a solution... thanx!

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ANT task for a web project using GWT

[Kady]

I am trying to integrate couple of GWT 2.0 modules into a web project
and wanted to integrate the build process of the modules with that of
the project.

What are the ANT task options that GWT provides? If not, then are
there any other 3rd party tools?

Thank you.

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Re: Browser Event Propagation

[Falcon]

(You can also use event.returnValue = false, at least for IE.)

On Aug 2, 3:50 pm, Falcon msu.fal...@gmail.com wrote:
 In browsers that don't support the W3C event model, you'll need to
 return false instead.

 (Also, to be clear, event.preventDefault() prevents the default
 browser action from happening, e.g. following a link that was clicked.
 event.stopPropagation() is what stops the event from bubbling through
 the DOM tree.)

 On Aug 2, 9:43 am, magat mathieu.a...@gmail.com wrote:

  Hi,

  I'm currently trying to set up a contextual menu on my gwt app, that
  is open a MenuBar in a PopupPanel on right-click. Using
  event.preventDefault() seems to stop the event propagation in my
  browser (Firefox 3.6) : my menu is displayed, not the browser one.

  I'm wondering if this behaviour was browser-specific ?  I can't help
  but thinking that the event propagation may be different on another
  browser. I couldn't find a clear answer in the doc, but maybe I missed
  something.

  Thanks for reading this post !

  Mathieu AGAR

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Re: tablayoutpanel on docklayoutpanel center

[dlynch]

are you trying to get something like 
http://www.smartclient.com/smartgwt/showcase/#main
where you click on menu on left and it keeps adding tabs near the top?
or are you really wanting to create a menu dynamically in the header?

If its the latter couldnt you use a DeckPanel in the center and create
a Menu widget in the north of docklayoutpanel that is built and
modified depending on new panels in the DeckPanel? hope that makes
sense.

Kind Regards
David

On Aug 2, 5:14 pm, asianCoolz second.co...@gmail.com wrote:
 looking for tips . i have tablayoutpael in docklayoutpanel's center.
 any technique to make each tabs appear on the docklayoutpanel header?

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Re: ANT task for a web project using GWT

[lineman78]

There are no provided ANT tasks, however it is not that difficult to
write your own ANT macros to do what you want.  Unfortunately I can't
provide you with my macro, but this should be enough to get you
started:

macrodef name=gwtCompile
attribute name=module /
attribute name=dir default=${builddir} /
attribute name=output default=. /
sequential
java classname=com.google.gwt.dev.Compiler fork=true
dir=@{dir} failonerror=true
classpath
path refid=gwt.classpath /
path location=@{dir} /
/classpath
jvmarg value=-Xms${gwt.jvm.xms} /
jvmarg value=-Xmx${gwt.jvm.xmx} /
arg line=-localWorkers ${gwt.localWorkers} -style
@{style} -war /
arg value=quot;@{output}quot; /
arg line=@{module} /
/java
/sequential
/macrodef

this is an extreamly over-simplified version of my macro and will need
some work if you have any generators in your project because the GWT
compiler wants them as class files.  My version of the macro also
exposes a lot more of the other compiler options.

On Aug 2, 2:01 pm, Kady kaushika...@gmail.com wrote:
 I am trying to integrate couple of GWT 2.0 modules into a web project
 and wanted to integrate the build process of the modules with that of
 the project.

 What are the ANT task options that GWT provides? If not, then are
 there any other 3rd party tools?

 Thank you.

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Re: Browser Event Propagation

[lineman78]

event.preventDefault works in both firefox and IE if you use the
modern GWT event handling(handler registration method) instead of the
DOM event handling (pre 1.6).

On Aug 2, 3:04 pm, Falcon msu.fal...@gmail.com wrote:
 (You can also use event.returnValue = false, at least for IE.)

 On Aug 2, 3:50 pm, Falcon msu.fal...@gmail.com wrote:

  In browsers that don't support the W3C event model, you'll need to
  return false instead.

  (Also, to be clear, event.preventDefault() prevents the default
  browser action from happening, e.g. following a link that was clicked.
  event.stopPropagation() is what stops the event from bubbling through
  the DOM tree.)

  On Aug 2, 9:43 am, magat mathieu.a...@gmail.com wrote:

   Hi,

   I'm currently trying to set up a contextual menu on my gwt app, that
   is open a MenuBar in a PopupPanel on right-click. Using
   event.preventDefault() seems to stop the event propagation in my
   browser (Firefox 3.6) : my menu is displayed, not the browser one.

   I'm wondering if this behaviour was browser-specific ?  I can't help
   but thinking that the event propagation may be different on another
   browser. I couldn't find a clear answer in the doc, but maybe I missed
   something.

   Thanks for reading this post !

   Mathieu AGAR

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Re: How does Google earn money from GWT?

[Shawn Brown]

@Frank A

 I hate stupid spammy sites like yours that steal content and load their site
 with ads. Here's the original source of the IO session

Me too.  Didn't have the proper original link.  Sorry about that.
Please don't accuse me though without knowing the facts first.  But I
do hate those sites too so your are off the hook.

 http://code.google.com/events/io/2009/sessions/GoogleWebToolkitBestPractices.html

 http://dl.google.com/io/2009/pres/Th_0200_GoogleWebToolkitArchitecture-BestPracticesForArchitectingYourGWTApp.pdf

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Re: ClassNotFoundError

[GKotta]

I should also add that I have imported the following classes from the
same package as BlobstoreInputStream and they work.
import com.google.appengine.api.blobstore.BlobKey;
import com.google.appengine.api.blobstore.BlobstoreService;
import com.google.appengine.api.blobstore.BlobstoreServiceFactory;

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Issues with GWT + GAE

[Magno Machado]

I'm not sure whether I should ask it here or in the GAE group..

I'm trying to launch an application that uses GWT and GAE. I'm using Maven
and Netbeans.

First I was launching the app with mvn gwt:run. It worked well until I
started to use the GAE apis in my code (It does make sense, since the gwt
plugin for Maven doesn't do anything with GAE as far as I know). After some
research, I found out that now I need to run the app with mvn gae:run,
this way I'm invoking the GAE plugin, which will set up the GAE environment
for me.
First issue:
After that, I noticed the GWT compiler started to compile my java classes to
Javascript. That didn't happen before when I wasn't using GAE. Do I really
have to run the JS compiler in order to run the app with GAE?


Anyway, after the compilation finished I received this message:
The server is running at http://localhost:8080/

So I tried to open this URL on the browser and received this message:
GWT module 'crystalpoll' may need to be (re)compiled

After more research, I found a forum post saying that it's missing the
?gwt.codesrv
url parameter, so I copied it from the URL I used to access before and now I
have:
http://localhost:8080/CrystalPoll.html?gwt.codesvr=127.0.0.1:9997

But it gives me: Plugin failed to connect to hosted mode server at
127.0.0.1:9997

Any ideas?

-- 
Magno Machado Paulo
http://blog.magnomachado.com.br
http://code.google.com/p/emballo/

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Re: JSONP: Overlays with Optional Attributes (HostedModeException's), How?

[Andrew Hughes]

Thanks André,

Indeed, you are correct that Production Mode can detect a problem when
attempting to parse out a null value. This I already knew :) The problem
lies a little deeper...

Hopefully others can help me with this plase :)

1) This HostedModeException is very annoying. Null (or in JavaScript terms
'undefined') is a valid value for my JavaScript/JSON attributes. I want a
way where if the darn thing is undefined return null... don't throw a
HostedModeException  - I also tried in jsni if(this.attribute){ return
this.attribute; } else { return undefined } but the exception is still
thrown.

2) There is no documentation about how this will behave in production? Will
it just return null? I don't know how I can ensure consistency between dev
and production modes :'(


Thanks for reading :)


2010/8/2 André Moraes andr...@gmail.com

 2. According to the GWT doco,  these HostedModeException only occur in Dev
 mode, and never thrown in production mode. So what happens when running in
 Production Mode?


 This is because in production mode you are running only JavaScript and
 javascript don't do typecheck. In dev mode the error happens because it must
 convert the returned value (undefined in this case) to a valid Java type
 (int in this case).

 Here is all the code for my class:
 --
 André Moraes
 Analista de Desenvolvimento de Sistemas
 andr...@gmail.com
 http://andredevchannel.blogspot.com/

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Error on execution

[Diego Venuzka]

Hi!
I'm still trying to build my project, and after several searches, i found a
really nice project. After the adjustments, the system show a error message
(attached). How i solve this?
Thanks for all! :D

-- 
Diego Venuzka

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attachment: imagem3.GIF

Re: JSONP: Overlays with Optional Attributes (HostedModeException's), How?

[André Moraes]

 1) This HostedModeException is very annoying. Null (or in JavaScript terms
 'undefined') is a valid value for my JavaScript/JSON attributes. I want a
 way where if the darn thing is undefined return null... don't throw a
 HostedModeException  - I also tried in jsni if(this.attribute){ return
 this.attribute; } else { return undefined } but the exception is still
 thrown.


in your Jsni instead of

if (this.attribute) { return this.attribute; } else { return undefined; }

try

if (this.attribute) { return this.attribute; } else { return null; }

In javascript, null and undefined are two differente things. When something
is null, this means that an variable is defined and its value is null; If
something is undefined that means there is no variable with that name.

the statment: if (this.attribute) works because when in a boolean context,
undefined is evaluated to false. Just like C where 0 is false and everything
else is true.

To solve the int problem, try to change the return type to Object and then
check if the returned value is null. There is no way to return null in
java if the return type of a method is a primitive int;

I belive that since you are returning null from JSNI, the HostedMode will be
smart enough to cast javascript null to java null. :)


 2) There is no documentation about how this will behave in production? Will
 it just return null? I don't know how I can ensure consistency between dev
 and production modes :'(


In production mode the javascript rules applies, so this probably will
trigger an error in your browser. When using JSNI method is necessary to
think in two different worlds (java and javascript). Check this link, maybe
will help with the javascript type system:
http://www.java2s.com/Tutorial/JavaScript/0100__Number-Data-Type/PrimitiveTypes.htm


Hope it helps.
-- 
André Moraes
Analista de Desenvolvimento de Sistemas
andr...@gmail.com
http://andredevchannel.blogspot.com/

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Error on execution (correct)

[Diego Venuzka]

Hi!
I'm still trying to build my project, and after several searches, i found a
really nice project, and i will use it to build my system. After the
adjustments, the system show this error message:
*GWT module br.com.site.sistema.Main may need to be (re)compiled. *
How i solve this? :S

Thanks for all! :D

-- 
Diego Venuzka

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Re: JSONP: Overlays with Optional Attributes (HostedModeException's), How?

[Andrew Hughes]

Thank's again André :)

I've made some progress. you'r suggestion to use Integer and not
primitive int was bang on the mark! :) Unfornately autoboxing was masking
some of my problems - but now I have learnt the error's of my ways :)

Now I am happily using Integer with and without null values...

public final native Integer getCode()/*-{
return this.code;
}-*/;


HOWEVER, Double  double won't work. Double works with null but not a valid
javascript Number... and vice-a-vera with double. I've looked at all the
documentation... going crazy to tell you the truth over such a small simple
issue.. but your helps been great THANK YOU! :)

--AH



2010/8/3 André Moraes andr...@gmail.com

 1) This HostedModeException is very annoying. Null (or in JavaScript terms
 'undefined') is a valid value for my JavaScript/JSON attributes. I want a
 way where if the darn thing is undefined return null... don't throw a
 HostedModeException  - I also tried in jsni if(this.attribute){ return
 this.attribute; } else { return undefined } but the exception is still
 thrown.


 in your Jsni instead of

 if (this.attribute) { return this.attribute; } else { return undefined; }

 try

 if (this.attribute) { return this.attribute; } else { return null; }

 In javascript, null and undefined are two differente things. When something
 is null, this means that an variable is defined and its value is null; If
 something is undefined that means there is no variable with that name.

 the statment: if (this.attribute) works because when in a boolean
 context, undefined is evaluated to false. Just like C where 0 is false and
 everything else is true.

 To solve the int problem, try to change the return type to Object and
 then check if the returned value is null. There is no way to return null
 in java if the return type of a method is a primitive int;

 I belive that since you are returning null from JSNI, the HostedMode will
 be smart enough to cast javascript null to java null. :)


 2) There is no documentation about how this will behave in production?
 Will it just return null? I don't know how I can ensure consistency between
 dev and production modes :'(


 In production mode the javascript rules applies, so this probably will
 trigger an error in your browser. When using JSNI method is necessary to
 think in two different worlds (java and javascript). Check this link, maybe
 will help with the javascript type system:
 http://www.java2s.com/Tutorial/JavaScript/0100__Number-Data-Type/PrimitiveTypes.htm


 Hope it helps.
 --
 André Moraes
 Analista de Desenvolvimento de Sistemas
 andr...@gmail.com
 http://andredevchannel.blogspot.com/

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Re: SerializationException with GWT 2.0.4 and iCal4J

[bernhard]

Hello Tom,

thanks for your answer.
I use Java Date class in my data transfer objects classes on the
client side (GWT side) of the code, and I already tried
IsSerializable instead of Serialisazable.
iCal4J is an external library for iCalendar objcets @see (http://
wiki.modularity.net.au/ical4j/index.php?title=Main_Page), therefore I
must use it on the server side of the code, no possibility for
changing it.
However, to avoid issues I use data transfer objects on the client
side having GWT compatible POJO design like described in article
http://code.google.com/intl/de/webtoolkit/articles/
using_gwt_with_hibernate.html.
The only package where I use iCal4J objects is in package
mydomain.server which implements the iCal4J services.
So, its still not clear to me why the SerializationException is thrown
when I call the service.

Bernhard


On 2 Aug., 20:12, Thomas Dvornik amp...@gmail.com wrote:
 Hey Bernhard,

 Not having a default constructor would defiantly cause a problem. Why
 don't you use java.util.Date? You could also create your own Date
 class and just pull the information you need.

 Also, I would recommend using GWT's IsSerializable instead of
 Serializable, and put all classes passed between the client and server
 in the shared package. Although these aren't necessary, I think it
 follow the GWT standards.

 Tom

 On Aug 1, 8:14 am, bernhard unger.bernh...@googlemail.com wrote:

  Hallo all,

  I am using GWT 2.0.4 and try to implement a service that handles with
  iCal4J calendar objects.
  (http://wiki.modularity.net.au/ical4j/index.php?title=Main_Page)
  However, when I invoke the RPC service a SerializationException is
  thrown:

  com.google.gwt.user.client.rpc.SerializationException: Type
  'net.fortuna.ical4j.model.DateTime' was not included in the set of
  types which can be serialized by this SerializationPolicy or its Class
  object could not be loaded. For security purposes, this type will not
  be serialized.

  I already read the suggestion from article http://code.google.com/
  intl/de/webtoolkit/articles/using_gwt_with_hibernate.html and made a
  CalendarDTO object for the transfer.
  (Additionally I read tons of post for the SerializationException
  problem, without finding a solution).

  Here is my structure of the service:
  
  package mydomain.de.client
  /**
   * The client side stub for the RPC service.
   */
  @RemoteServiceRelativePath(calendar)
  public interface CalendarService extends RemoteService {
          public CalendarDTO getCalendarEvent();}

  /**
   * The async counterpart of codeCalendarService/code.
   */
  public interface CalendarServiceAsync {
          void getCalendarEvent(AsyncCallbackCalendarDTO callback);}

  ---
  package mydomain.client.dto
  /* The data transfer object used on the client (GWT) side */
  public class CalendarDTO implements Serializable {
          private static final long serialVersionUID = 1L;
      private Date date;
          private String name;
          private String uid;

          public CalendarDTO() {};

          public CalendarDTO(Date date, String name, String uid) {
                  this.date = date;
                  this.name = name;
                  this.uid = uid;

          }
  ...
  setter and getter}

  -
  package mydomain.domain
  /* The domain class for the calendar */
  public class MyCalendar implements Serializable {
          private static final long serialVersionUID = 9054803484652745548L;
          private Date eventDate;
          private String eventName;
          private String uid;

          public MyCalendar() {};

          public MyCalendar(CalendarDTO calendarDTO) {
                  eventDate = calendarDTO.getDate();
                  eventName = calendarDTO.getName();
                  uid = calendarDTO.getUid();
          }
  ...
  getter and setter
  ...}

  -
  package mydomain.server
  /**
   * The server side implementation of the RPC service.
   */
  //@SuppressWarnings(serial)
  public class CalendarServiceImpl extends RemoteServiceServlet
  implements
                  CalendarService {
          private static final long serialVersionUID = -7306504057898287672L;
  .
          public CalendarDTO getCalendarEvent() {

                  MyCalendar myCalendar = new MyCalendar();
                  setMyCalendar(myCalendar); // Do iCal4J stuff
                  CalendarDTO calendarDTO = new CalendarDTO();
                  calendarDTO.setDate(myCalendar.getEventDate());
                  calendarDTO.setName(myCalendar.getEventName());
                  calendarDTO.setUid(myCalendar.getUid());
                  return calendarDTO;
          }
  
  -
  For my 

Re: [gwt-contrib] Re: Make GWT template javascript suitable for XHTML

[Joel Webber]

The best way would be to upload a patch to http://
gwt-code-reviews.appspot.com/ . That makes it much easier to understand the
diffs.

Le 1 août 2010 11:07, Henri hfman...@gmail.com a écrit :

 I updated function computeScriptBase() in IFrameTemplate.js to work
 with DOM javascript functions instead of document.write, which seems
 to work, and would like you to look at it. How can I send this file to
 you?

 On Jul 23, 3:17 pm, Joel Webber j...@google.com wrote:
  We've tried to get rid of the document.write() tricks before, but with no
  success. There's always some squirrely case that crops on (especially on
 IE)
  that's forced us to put them back in. There are also a couple of specific
  corner cases that rely on document.write(), which would need to be
  preserved:
  1. computeScriptBase() uses it to find the current script element, so
 it
  can compute the base url from which it was loaded.
  2. It's used to determine when script injection (i.e., script tags
  referenced in the .gwt.xml file) is done.
 
  The above two cases are probably impossible to solve without
  document.write(), though I'm certainly open to ideas. Assuming that's
  correct, it would mean you'd have to remove automatic script base
 detection
  and disable script injection. As much as I'd like to do that, we can't do
 so
  without breaking many existing apps.
 
  If you really must have XHTML support (something I've never found any
 actual
  utility in personally), then probably the better approach would be to
 design
  a different linker for it that explicitly removes the above features.
 
  Le 22 juillet 2010 05:28, Henri hfman...@gmail.com a écrit :
 
   Hello,
 
   Currently the template javascript files IFrameTemplate.js,
   SingleScriptTemplate.js, and XSTemplate.js in com/google/gwt/core/
   linker and HostedModeTemplate.js in com/google/gwt/core/ext/linker/
   impl use document.write to manipulate the HTML page. This is not
   allowed in XHTML. I changed IFrameTemplate.js so it now uses
   equivalent DOM statements instead and that is working. XHTML documents
   are useful since one can use embedded SVG and MathML.
 
   If you are interested I can send the modified IFrameTemplate.js to you
   to check out if I did it the right way. Then we can update the other
   template javascript files.
 
   Hope to hear from you!
 
   Kind regards,
 
   Henri Manson
 
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[gwt-contrib] Re: Enhancement for issue 4870 (issue732801)

[zundel]

LGTM with a nit.


http://gwt-code-reviews.appspot.com/732801/diff/1/2
File user/src/com/google/gwt/user/client/rpc/StatusCodeException.java
(right):

http://gwt-code-reviews.appspot.com/732801/diff/1/2#newcode47
user/src/com/google/gwt/user/client/rpc/StatusCodeException.java:47: /**
the formatting of this comment start is off.

http://gwt-code-reviews.appspot.com/732801/show

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[gwt-contrib] Re: Enhancement for issue 4870 (issue732801)

[drfibonacci]

http://gwt-code-reviews.appspot.com/732801/show

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[gwt-contrib] Re: Enhancement for issue 4870 (issue732801)

[zundel]

lgtm

http://gwt-code-reviews.appspot.com/732801/show

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[gwt-contrib] Re: First pass at keyboard navigation (currently only for CellTable) (issue710802)

[jlabanca]

http://gwt-code-reviews.appspot.com/710802/diff/1/9
File user/src/com/google/gwt/user/cellview/client/CellTable.java
(right):

http://gwt-code-reviews.appspot.com/710802/diff/1/9#newcode527
user/src/com/google/gwt/user/cellview/client/CellTable.java:527:
focusable.focus();
I think we should only focus on user initiated events.  If we focus on
the table on initialization, it may steal focus from another widget,
such as a search box.

http://gwt-code-reviews.appspot.com/710802/diff/1/9#newcode757
user/src/com/google/gwt/user/cellview/client/CellTable.java:757:
view.setFocus();
SGTM

http://gwt-code-reviews.appspot.com/710802/diff/1/12
File
user/src/com/google/gwt/user/cellview/client/PagingListViewPresenter.java
(right):

http://gwt-code-reviews.appspot.com/710802/diff/1/12#newcode486
user/src/com/google/gwt/user/cellview/client/PagingListViewPresenter.java:486:
view.setFocus();
I missed that in the JavaDoc comment on setFocus().  Even though this is
all package protected, the method name is a little misleading.  Can we
rename it to resetFocus()?

http://gwt-code-reviews.appspot.com/710802/show

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[gwt-contrib] Enhancement for issue 4870 (issue711802)

[drfibonacci]

Reviewers: zundel,

Description:
Enhancement for issue 4870


Please review this at http://gwt-code-reviews.appspot.com/711802/show

Affected files:
  M user/src/com/google/gwt/user/client/rpc/StatusCodeException.java


Index: user/src/com/google/gwt/user/client/rpc/StatusCodeException.java
===
--- user/src/com/google/gwt/user/client/rpc/StatusCodeException.java	 
(revision 8450)
+++ user/src/com/google/gwt/user/client/rpc/StatusCodeException.java	 
(working copy)

@@ -23,16 +23,25 @@
  */
 public class StatusCodeException extends InvocationException {
   private final int statusCode;
+  private final String encodedResponse;

   /**
* Construct an exception with the given status code and description.
*
* @param statusCode the HTTP status code to report
-   * @param message a message to report
+   * @param encodedResponse the HTTP response message to report
*/
-  public StatusCodeException(int statusCode, String message) {
-super(message);
+  public StatusCodeException(int statusCode, String encodedResponse) {
+super(statusCode +   + encodedResponse);
 this.statusCode = statusCode;
+this.encodedResponse = encodedResponse;
+  }
+
+  /**
+   * Returns the response message associated with the failed request.
+   */
+  public String getEncodedResponse() {
+return encodedResponse;
   }

   /**
@@ -41,5 +50,4 @@
   public int getStatusCode() {
 return statusCode;
   }
-}
-
+}
\ No newline at end of file


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[gwt-contrib] Re: Enhancement for issue 4870 (issue711802)

[zundel]

lgtm

http://gwt-code-reviews.appspot.com/711802/show

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[gwt-contrib] Re: First pass at keyboard navigation (currently only for CellTable) (issue710802)

[rice]

http://gwt-code-reviews.appspot.com/710802/show

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[gwt-contrib] Add a file check to handle edge cases like broken symbolic links when scanning directories for r... (issue711803)

[conroy]

Reviewers: scottb,

Description:
Add a file check to handle edge cases like broken symbolic links when
scanning directories for resources.

Review by: sco...@google.com

Please review this at http://gwt-code-reviews.appspot.com/711803/show

Affected files:
  M  
dev/core/src/com/google/gwt/dev/resource/impl/DirectoryClassPathEntry.java

  M dev/core/src/com/google/gwt/dev/resource/impl/FileResource.java


Index:  
dev/core/src/com/google/gwt/dev/resource/impl/DirectoryClassPathEntry.java

===
---  
dev/core/src/com/google/gwt/dev/resource/impl/DirectoryClassPathEntry.java	 
(revision 8450)
+++  
dev/core/src/com/google/gwt/dev/resource/impl/DirectoryClassPathEntry.java	 
(working copy)

@@ -81,7 +81,7 @@
   private void descendToFindResources(TreeLogger logger,
   PathPrefixSet pathPrefixSet, MapAbstractResource, PathPrefix  
resources,

   File dir, String dirPath) {
-assert (dir.isDirectory());
+assert (dir.isDirectory()) : dir.toString() +  is not a directory;

 // Assert: this directory is included in the path prefix set.

@@ -99,7 +99,7 @@
   Messages.NOT_DESCENDING_INTO_DIR.log(logger,  
child.getAbsolutePath(),

   null);
 }
-  } else {
+  } else if (child.isFile()) {
 PathPrefix prefix = null;
 if ((prefix = pathPrefixSet.includesResource(childPath)) != null) {
   Messages.INCLUDING_FILE.log(logger, childPath, null);
@@ -108,6 +108,8 @@
 } else {
   Messages.EXCLUDING_FILE.log(logger, childPath, null);
 }
+  } else {
+Messages.EXCLUDING_FILE.log(logger, childPath, null);
   }
 }
   }
Index: dev/core/src/com/google/gwt/dev/resource/impl/FileResource.java
===
--- dev/core/src/com/google/gwt/dev/resource/impl/FileResource.java	 
(revision 8450)
+++ dev/core/src/com/google/gwt/dev/resource/impl/FileResource.java	 
(working copy)

@@ -31,7 +31,7 @@

   public FileResource(DirectoryClassPathEntry classPathEntry,
   String abstractPathName, File file) {
-assert (file.isFile());
+assert (file.isFile()) : file.toString() +  is not a file.;
 this.classPathEntry = classPathEntry;
 this.abstractPathName = abstractPathName;
 this.file = file;


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[gwt-contrib] Re: First pass at keyboard navigation (currently only for CellTable) (issue710802)

[jlabanca]

LGTM


http://gwt-code-reviews.appspot.com/710802/diff/1013/10009
File user/src/com/google/gwt/user/cellview/client/CellTreeNodeView.java
(right):

http://gwt-code-reviews.appspot.com/710802/diff/1013/10009#newcode536
user/src/com/google/gwt/user/cellview/client/CellTreeNodeView.java:536:
Extra space.

http://gwt-code-reviews.appspot.com/710802/diff/1013/10009#newcode564
user/src/com/google/gwt/user/cellview/client/CellTreeNodeView.java:564:
System.out.println(keyboardOpen);
Remove SOP

http://gwt-code-reviews.appspot.com/710802/diff/1013/10009#newcode566
user/src/com/google/gwt/user/cellview/client/CellTreeNodeView.java:566:
//if (isOpen()) {
Remove comments or add a TODO.

http://gwt-code-reviews.appspot.com/710802/diff/1013/10009#newcode572
user/src/com/google/gwt/user/cellview/client/CellTreeNodeView.java:572:
System.out.println(keyboardUp);
Remove SOP

http://gwt-code-reviews.appspot.com/710802/diff/1013/10009#newcode575
user/src/com/google/gwt/user/cellview/client/CellTreeNodeView.java:575:
if (prev == keyboardSelectedElement) {
Add a TODO to move focus to the parent node.

http://gwt-code-reviews.appspot.com/710802/show

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[gwt-contrib] Re: First pass at keyboard navigation (currently only for CellTable) (issue710802)

[דניאל רייס]

Actually CellTreeNodeView is still work in progress and won't be submitted
as part of the current CL.  Sorry for the confusion.

On Mon, Aug 2, 2010 at 12:14 PM, jlaba...@google.com wrote:

 LGTM


 http://gwt-code-reviews.appspot.com/710802/diff/1013/10009
 File user/src/com/google/gwt/user/cellview/client/CellTreeNodeView.java
 (right):

 http://gwt-code-reviews.appspot.com/710802/diff/1013/10009#newcode536
 user/src/com/google/gwt/user/cellview/client/CellTreeNodeView.java:536:
 Extra space.

 http://gwt-code-reviews.appspot.com/710802/diff/1013/10009#newcode564
 user/src/com/google/gwt/user/cellview/client/CellTreeNodeView.java:564:
 System.out.println(keyboardOpen);
 Remove SOP

 http://gwt-code-reviews.appspot.com/710802/diff/1013/10009#newcode566
 user/src/com/google/gwt/user/cellview/client/CellTreeNodeView.java:566:
 //if (isOpen()) {
 Remove comments or add a TODO.

 http://gwt-code-reviews.appspot.com/710802/diff/1013/10009#newcode572
 user/src/com/google/gwt/user/cellview/client/CellTreeNodeView.java:572:
 System.out.println(keyboardUp);
 Remove SOP

 http://gwt-code-reviews.appspot.com/710802/diff/1013/10009#newcode575
 user/src/com/google/gwt/user/cellview/client/CellTreeNodeView.java:575:
 if (prev == keyboardSelectedElement) {
 Add a TODO to move focus to the parent node.


 http://gwt-code-reviews.appspot.com/710802/show


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[gwt-contrib] Remove 1.6isms from RequestFactory, and fix DynaTableRf (id's (issue721804)

[rjrjr]

Reviewers: bobv,

Description:
Remove 1.6isms from RequestFactory, and fix DynaTableRf (id's
still must be Long, and at the moment it actually counts).

Review by: robertvaw...@google.com

Please review this at http://gwt-code-reviews.appspot.com/721804/show

Affected files:
  M  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/domain/Person.java

  M user/src/com/google/gwt/requestfactory/server/JsonRequestProcessor.java
  M user/test/com/google/gwt/valuestore/client/RequestFactoryTest.java


Index:  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/domain/Person.java

===
---  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/domain/Person.java	 
(revision 8450)
+++  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/domain/Person.java	 
(working copy)

@@ -19,20 +19,24 @@
  * Hold relevant data for Person.
  */
 public abstract class Person {
+  private static Long serial = 1L;

   private String description = DESC;

   private String name;
+
+  private final Long id;

   public Person() {
+id = serial++;
   }

   public String getDescription() {
 return description;
   }

-  public String getId() {
-return name;
+  public Long getId() {
+return id;
   }

   public String getName() {
Index:  
user/src/com/google/gwt/requestfactory/server/JsonRequestProcessor.java

===
--- user/src/com/google/gwt/requestfactory/server/JsonRequestProcessor.java	 
(revision 8450)
+++ user/src/com/google/gwt/requestfactory/server/JsonRequestProcessor.java	 
(working copy)

@@ -94,7 +94,6 @@
 return rtn;
   }

-  @Override
   public String decodeAndInvokeRequest(String encodedRequest) throws  
Exception {

 try {
   return processJsonRequest(encodedRequest).toString();
@@ -524,7 +523,6 @@
 return !BLACK_LIST.contains(p.getName());
   }

-  @Override
   public void setOperationRegistry(OperationRegistry operationRegistry) {
 this.operationRegistry = operationRegistry;
   }
Index: user/test/com/google/gwt/valuestore/client/RequestFactoryTest.java
===
--- user/test/com/google/gwt/valuestore/client/RequestFactoryTest.java	 
(revision 8450)
+++ user/test/com/google/gwt/valuestore/client/RequestFactoryTest.java	 
(working copy)

@@ -40,10 +40,9 @@
 delayTestFinish(5000);
 req.simpleFooRequest().findSimpleFooById(999L).fire(
 new ReceiverSimpleFooRecord() {
-  @Override
   public void onSuccess(SimpleFooRecord response,
   SetSyncResult syncResult) {
-assertEquals((int) 42, (int) response.getIntId());
+assertEquals(42, (int) response.getIntId());
 assertEquals(GWT, response.getUserName());
 assertEquals(8L, (long) response.getLongField());
 assertEquals(com.google.gwt.valuestore.shared.SimpleEnum.FOO,


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[gwt-contrib] Re: Remove 1.6isms from RequestFactory, and fix DynaTableRf (id's (issue721804)

[bobv]

LGTM.


http://gwt-code-reviews.appspot.com/721804/diff/1/2
File
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/domain/Person.java
(right):

http://gwt-code-reviews.appspot.com/721804/diff/1/2#newcode31
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/domain/Person.java:31:
id = serial++;
This seems kind of non-deterministic.  I'll follow up in my next patch
to you with a change to to pass this in as a constructor argument from
where the Person objects are created.

http://gwt-code-reviews.appspot.com/721804/show

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[gwt-contrib] Re: Adding support for non-propagating events in Cell based widgets. In modern browsers, we make the... (issue720801)

[jlabanca]

http://gwt-code-reviews.appspot.com/720801/show

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[gwt-contrib] Re: Change the way we include the User Auth files, keeping more of them (issue721803)

[rjrjr]

LGTM

The problem with this approach is that it's so hugely prescriptive
— there is one and only one way to deal with user auth in
RequestFactory. I think it will do to get the conversation started in
M3, but we'll need to find something more flexible before we ship.


http://gwt-code-reviews.appspot.com/721803/diff/1/7
File
bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java
(right):

http://gwt-code-reviews.appspot.com/721803/diff/1/7#newcode72
bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java:72:
// Does not work - ID is based on the user
This should be JavaDoc (and a little bit more descriptive)

http://gwt-code-reviews.appspot.com/721803/show

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[gwt-contrib] Re: Clean up JdtCompiler by moving out test-only code. (issue731801)

[kplatfoot]

LGTM

http://gwt-code-reviews.appspot.com/731801/show

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[gwt-contrib] Re: Removes the unnecessary ErrorCompilationUnit. (issue730801)

[kplatfoot]

LGTM


http://gwt-code-reviews.appspot.com/730801/diff/2001/3003
File dev/core/src/com/google/gwt/dev/javac/CompilationUnitImpl.java
(right):

http://gwt-code-reviews.appspot.com/730801/diff/2001/3003#newcode74
dev/core/src/com/google/gwt/dev/javac/CompilationUnitImpl.java:74:
return hasErrors;
Nit: it's a little weird that the getter doesn't match the field name.
Maybe use hasErrors for both?  It would also then match the JDT's
CompilationResult, which has a hasErrors() method.

http://gwt-code-reviews.appspot.com/730801/show

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[gwt-contrib] Re: Support for custom MenuItem, MenuItemSeparator and MenuBar. (issue702803)

[rjrjr]

Actually, one tweak if you don't mind.


http://gwt-code-reviews.appspot.com/702803/diff/1/3
File user/src/com/google/gwt/uibinder/elementparsers/MenuBarParser.java
(right):

http://gwt-code-reviews.appspot.com/702803/diff/1/3#newcode36
user/src/com/google/gwt/uibinder/elementparsers/MenuBarParser.java:36:
if (elem.hasAttribute(vertical)) {
If you add a check here that the class being parsed is actually MenuBar,
we'll be a bit friendlier to its subclasses as well.

http://gwt-code-reviews.appspot.com/702803/show

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[gwt-contrib] Re: Change the way we include the User Auth files, keeping more of them (issue721803)

[unnurg]

On 2010/08/02 17:32:43, Ray Ryan wrote:

LGTM



The problem with this approach is that it's so hugely prescriptive

—nbsp;there is

one and only one way to deal with user auth in RequestFactory. I think

it will

do to get the conversation started in M3, but we'll need to find

something more

flexible before we ship.


Can you tell me more about what you mean here?  This CL shouldn't
actually have changed anything as far as the ability to configure the
User services - the only change is that the base implementation is now
checked into GWT rather than generated.  In order to use a different
authentication method, you would still extend the UserInformation class,
and use the web.xml file to indicate that the app should use your class
instead.  You still have the ability to write your own widgets that use
getUserInformationRequest (rather than (or in addition to) using the
LoginWidget.  Am I missing something else that you had in mind?



http://gwt-code-reviews.appspot.com/721803/diff/1/7
File


bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java

(right):



http://gwt-code-reviews.appspot.com/721803/diff/1/7#newcode72


bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java:72:

// Does not work - ID is based on the user
This should be JavaDoc (and a little bit more descriptive)

Done



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[gwt-contrib] Re: Change the way we include the User Auth files, keeping more of them (issue721803)

[unnurg]

http://gwt-code-reviews.appspot.com/721803/diff/1/7
File
bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java
(right):

http://gwt-code-reviews.appspot.com/721803/diff/1/7#newcode72
bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java:72:
// Does not work - ID is based on the user
On 2010/08/02 17:32:43, Ray Ryan wrote:

This should be JavaDoc (and a little bit more descriptive)


Done.

http://gwt-code-reviews.appspot.com/721803/show

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[gwt-contrib] Finish modernizing the DynaTableRF sample to use an event-based application model. (issue733802)

[bobv]

Reviewers: Ray Ryan,

Description:
Finish modernizing the DynaTableRF sample to use an event-based
application model.
Patch by: bobv
Review by: rjrjr


Please review this at http://gwt-code-reviews.appspot.com/733802/show

Affected files:
  M  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/CalendarProvider.java
  M  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DayCheckBox.java
  M  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DayFilterWidget.java
  M  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DayFilterWidget.ui.xml
  D  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DynaTableDataProvider.java
  M  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DynaTableRf.java
  M  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DynaTableRf.ui.xml
  M  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DynaTableWidget.java
  M  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DynaTableWidget.ui.xml
  A  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/NavBar.java
  M  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/SchoolCalendarWidget.java
  A  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/events/FilterChangeEvent.java
  A  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/events/FilterChangeHandler.java
  A  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/events/NavigationEvent.java
  A  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/events/NavigationEventHandler.java
  A  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/events/RequestRowDataEvent.java
  A  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/events/RequestRowDataHandler.java
  A  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/events/RowDataEvent.java
  A  
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/events/RowDataHandler.java



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[gwt-contrib] Re: Change the way we include the User Auth files, keeping more of them (issue721803)

[unnurg]

On 2010/08/02 17:55:43, unnurg wrote:

http://gwt-code-reviews.appspot.com/721803/diff/1/7
File


bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java

(right):



http://gwt-code-reviews.appspot.com/721803/diff/1/7#newcode72


bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java:72:

// Does not work - ID is based on the user
On 2010/08/02 17:32:43, Ray Ryan wrote:
 This should be JavaDoc (and a little bit more descriptive)



Done.


Spoke to Ray offline and the objection he had was to having the
getUserInformationRequest() function in the RequestFactory interface,
rather than having it explicitly added in the FooRequestFactory
interface.  This was easy to change, so just went ahead and did it in
this change - patch being uploaded now...

http://gwt-code-reviews.appspot.com/721803/show

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[gwt-contrib] Re: Add the ability to change the size of a widget in the (issue719802)

[jgw]

http://gwt-code-reviews.appspot.com/719802/diff/1/2
File user/src/com/google/gwt/user/client/ui/DockLayoutPanel.java
(right):

http://gwt-code-reviews.appspot.com/719802/diff/1/2#newcode315
user/src/com/google/gwt/user/client/ui/DockLayoutPanel.java:315: public
void setWidgetSize(Widget widget, int size) {
This needs to be a double (all units except PX can be non-integral).

http://gwt-code-reviews.appspot.com/719802/show

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[gwt-contrib] Re: Change the way we include the User Auth files, keeping more of them (issue721803)

[unnurg]

On 2010/08/02 18:10:21, unnurg wrote:

On 2010/08/02 17:55:43, unnurg wrote:
 http://gwt-code-reviews.appspot.com/721803/diff/1/7
 File



bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java

 (right):

 http://gwt-code-reviews.appspot.com/721803/diff/1/7#newcode72



bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java:72:

 // Does not work - ID is based on the user
 On 2010/08/02 17:32:43, Ray Ryan wrote:
  This should be JavaDoc (and a little bit more descriptive)

 Done.



Spoke to Ray offline and the objection he had was to having the
getUserInformationRequest() function in the RequestFactory interface,

rather

than having it explicitly added in the FooRequestFactory interface.

This was

easy to change, so just went ahead and did it in this change - patch

being

uploaded now...


Actually - that may have been a lie - debugging now...

http://gwt-code-reviews.appspot.com/721803/show

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[gwt-contrib] Re: Change the way we include the User Auth files, keeping more of them (issue721803)

[unnurg]

http://gwt-code-reviews.appspot.com/721803/show

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[gwt-contrib] Re: Change the way we include the User Auth files, keeping more of them (issue721803)

[unnurg]

On 2010/08/02 18:14:47, unnurg wrote:

On 2010/08/02 18:10:21, unnurg wrote:
 On 2010/08/02 17:55:43, unnurg wrote:
  http://gwt-code-reviews.appspot.com/721803/diff/1/7
  File
 



bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java

  (right):
 
  http://gwt-code-reviews.appspot.com/721803/diff/1/7#newcode72
 



bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java:72:

  // Does not work - ID is based on the user
  On 2010/08/02 17:32:43, Ray Ryan wrote:
   This should be JavaDoc (and a little bit more descriptive)
 
  Done.

 Spoke to Ray offline and the objection he had was to having the
 getUserInformationRequest() function in the RequestFactory

interface, rather

 than having it explicitly added in the FooRequestFactory interface.

This was

 easy to change, so just went ahead and did it in this change - patch

being

 uploaded now...



Actually - that may have been a lie - debugging now...

Nope - it was the truth - it seems the issue I was seeing was due to old
generated files somehow - a clean build seems to work fine.





http://gwt-code-reviews.appspot.com/721803/show

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[gwt-contrib] Re: Finish modernizing the DynaTableRF sample to use an event-based application model. (issue733802)

[rjrjr]

http://gwt-code-reviews.appspot.com/733802/diff/1/3
File
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DayCheckBox.java
(right):

http://gwt-code-reviews.appspot.com/733802/diff/1/3#newcode38
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DayCheckBox.java:38:

Note that in a real app we would need to think about a way to
de-register when detached.

http://gwt-code-reviews.appspot.com/733802/diff/1/5
File
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DayFilterWidget.ui.xml
(right):

http://gwt-code-reviews.appspot.com/733802/diff/1/5#newcode16
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DayFilterWidget.ui.xml:16:
ui:with type=com.google.gwt.event.shared.HandlerManager
field=eventBus/ui:with
This is still hacky. It would be better to put a @UiFactory method in
DayFilterWidget:

@UiFactory
DayCheckBox makeCheckBox

If that's not practical, then I withdraw my objection to
DynaTableEventBus.get(), especially if you do something like:

/**
 * Instantiate a DayCheckBox using the default event bus
 * at {...@link DynaTableEventBus#get}. A production app
 * would be better off using a dependency injection
 * framework, like a
 * href=http://code.google.com/p/google-gin/;Google GIN/a
 */
public DayCheckBox() {
  DayCheckBox(DynaTableEventBus.get());
}

public DayCheckBox(HandlerManager eventBus) {
  this.eventBus = eventBus;
}

http://gwt-code-reviews.appspot.com/733802/diff/1/8
File
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DynaTableRf.ui.xml
(right):

http://gwt-code-reviews.appspot.com/733802/diff/1/8#newcode18
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/DynaTableRf.ui.xml:18:
ui:with type=com.google.gwt.event.shared.HandlerManager
field=eventBus /
Another spot to prefer @UiFactory or @UiField(provided=true)

http://gwt-code-reviews.appspot.com/733802/diff/1/16
File
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/events/NavigationEventHandler.java
(right):

http://gwt-code-reviews.appspot.com/733802/diff/1/16#newcode23
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/events/NavigationEventHandler.java:23:
public interface NavigationEventHandler extends EventHandler {
Style nit, I really prefer handlers to be declared inside the
appropriate event. I find it much more readable, especially for those
new to our event system. So this would be NavigationEvent.Handler

http://gwt-code-reviews.appspot.com/733802/diff/1/17
File
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/events/RequestRowDataEvent.java
(right):

http://gwt-code-reviews.appspot.com/733802/diff/1/17#newcode21
samples/dynatablerf/src/com/google/gwt/sample/dynatablerf/client/events/RequestRowDataEvent.java:21:
* A request for data to be fetched from the server.
I wouldn't normally do this kind of thing over the event bus. Rather,
the requestfactory itself would be injected into the data provider.

http://gwt-code-reviews.appspot.com/733802/show

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[gwt-contrib] Re: Change the way we include the User Auth files, keeping more of them (issue721803)

[Ray Ryan]

LGTM

On Mon, Aug 2, 2010 at 11:26 AM, unn...@google.com wrote:

 On 2010/08/02 18:14:47, unnurg wrote:

 On 2010/08/02 18:10:21, unnurg wrote:
  On 2010/08/02 17:55:43, unnurg wrote:
   http://gwt-code-reviews.appspot.com/721803/diff/1/7
   File
  
 



 bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java

   (right):
  
   http://gwt-code-reviews.appspot.com/721803/diff/1/7#newcode72
  
 



 bikeshed/src/com/google/gwt/sample/expenses/server/domain/GaeUserInformation.java:72:

   // Does not work - ID is based on the user
   On 2010/08/02 17:32:43, Ray Ryan wrote:
This should be JavaDoc (and a little bit more descriptive)
  
   Done.
 
  Spoke to Ray offline and the objection he had was to having the
  getUserInformationRequest() function in the RequestFactory

 interface, rather

  than having it explicitly added in the FooRequestFactory interface.

 This was

  easy to change, so just went ahead and did it in this change - patch

 being

  uploaded now...


  Actually - that may have been a lie - debugging now...

 Nope - it was the truth - it seems the issue I was seeing was due to old
 generated files somehow - a clean build seems to work fine.






 http://gwt-code-reviews.appspot.com/721803/show


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[gwt-contrib] Re: Enhancement for issue 4870 (issue732801)

[Eric B. Ridge]

I didn't realize issue 4870 existed or I would have commented on it
long ago.

In our world, we like to set the HTTP response code to a non-SC_OK
response when the RPC service throws an Exception.  This way we can
easily grep our access.log for failed responses.  An the Exception
might be whatever class of exceptions our RPC services are allowed to
throw.  Custom Exceptions like ValidationException,
InvalidSessionException, ResourceUnavailableException.  Whatever.

GWT's RPC mechanisms make this impossible for two different reasons:

1) Legacy RPC ignores the response.setStatus(non-SC_OK) by re-
setting it in RPCServletUtils.writeResponse()

2) deRPC doesn't reset the response.setStatus(non-SC_OK ) (which
is good!) but its client-side code sees that the response is non-SC_OK
and throws a StatusCodeException, making it impossible to get the
Exception my code threw.  (deRPC also just doesn't work in compiled
mode, but that's not relevant to this thread).

I posted about this back in March, and received no reply (http://
groups.google.com/group/google-web-toolkit-contributors/browse_thread/
thread/631b8c3177930913/688dd476a8d0e359?lnk=gstq=Eric
+Ridge#688dd476a8d0e359).

What I think is a better solution is for the server-side to *not*
reset the response status, and for the client-side to examine the
encodedResponse when the status is not SC_OK.  If the encodedResponse
is an exception, it should decode it and throw it (rather than
throwing a StatusCodeException).

Otherwise, it should do what this changeset does.  Even in this case
it's not ideal because I can't seem to find a way to decode the
encodedResponse back into an Object.

Anyways, if this area is receiving some attention now, please consider
the above.

Thanks!

eric

On Aug 2, 9:21 am, drfibona...@google.com wrote:
 Reviewers: zundel,

 Description:Enhancementfor issue4870

 Please review this athttp://gwt-code-reviews.appspot.com/732801/show

 Affected files:
    M user/src/com/google/gwt/user/client/rpc/StatusCodeException.java

 Index: user/src/com/google/gwt/user/client/rpc/StatusCodeException.java
 ===
 --- user/src/com/google/gwt/user/client/rpc/StatusCodeException.java    
 (revision 8450)
 +++ user/src/com/google/gwt/user/client/rpc/StatusCodeException.java    
 (working copy)
 @@ -23,23 +23,31 @@
    */
   public class StatusCodeException extends InvocationException {
     private final int statusCode;
 +  private final String encodedResponse;

     /**
      * Construct an exception with the given status code and description.
      *
      * @param statusCode the HTTP status code to report
 -   * @param message a message to report
 +   * @param encodedResponse the HTTP response message to report
      */
 -  public StatusCodeException(int statusCode, String message) {
 -    super(message);
 +  public StatusCodeException(int statusCode, String encodedResponse) {
 +    super(statusCode +   + encodedResponse);
       this.statusCode = statusCode;
 +    this.encodedResponse = encodedResponse;
     }

     /**
 +   * Returns the response message associated with the failed request.
 +   */
 +  public String getEncodedResponse() {
 +    return encodedResponse;
 +  }
 +
 +/**
      * Returns the status code associated with the failed request.
      */
     public int getStatusCode() {
       return statusCode;
     }
 -}
 -
 +}
 \ No newline at end of file

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[gwt-contrib] SpeedTracerLogger: Don't throw exceptions on missed events. Instead, try to recover gracefully. (issue674805)

[conroy]

Reviewers: zundel,

Description:
SpeedTracerLogger: Don't throw exceptions on missed events. Instead, try
to recover gracefully.

Review by: zun...@google.com

Please review this at http://gwt-code-reviews.appspot.com/674805/show

Affected files:
  M  
dev/core/src/com/google/gwt/dev/util/log/speedtracer/SpeedTracerLogger.java



Index:  
dev/core/src/com/google/gwt/dev/util/log/speedtracer/SpeedTracerLogger.java

===
---  
dev/core/src/com/google/gwt/dev/util/log/speedtracer/SpeedTracerLogger.java	 
(revision 8450)
+++  
dev/core/src/com/google/gwt/dev/util/log/speedtracer/SpeedTracerLogger.java	 
(working copy)

@@ -82,7 +82,7 @@
 /**
  * @param data key/value pairs to add to JSON object.
  */
-public void addData(String[] data) {
+public void addData(String  ...data) {
   if (data != null) {
 assert (data.length % 2 == 0);
 this.data = Lists.addAll(this.data, data);
@@ -296,26 +296,21 @@
 assert (endTimeNanos = currentEvent.startTimeNanos);
 currentEvent.durationNanos = endTimeNanos -  
currentEvent.startTimeNanos;


-ListEvent missedEvents = Lists.create();
-
-// TODO(zundel): Why not just assert in this case?
 while (currentEvent.type != type  !threadPendingEvents.isEmpty()) {
   // Missed a closing end for one or more frames! Try to sync back up.
-  missedEvents = Lists.add(missedEvents, currentEvent);
+  currentEvent.addData(Missed, This event was closed without an  
explicit call to SpeedTracerLogger.end());

   currentEvent = threadPendingEvents.pop();
+  assert (endTimeNanos = currentEvent.startTimeNanos);
   currentEvent.durationNanos = endTimeNanos -  
currentEvent.startTimeNanos;

 }
+
+if (threadPendingEvents.isEmpty()  currentEvent.type != type) {
+  currentEvent.addData(Missed, Fell off the end of the  
threadPending events);

+}
+
 currentEvent.addData(data);
 if (threadPendingEvents.isEmpty()) {
   eventsToWrite.add(currentEvent);
-}
-if (missedEvents.size()  0) {
-  StringBuilder sb = new StringBuilder();
-  sb.append(SpeedTracerLogger missing end() calls for the following  
events: );

-  for (Event event : missedEvents) {
-sb.append(event.type.getName());
-  }
-  throw new IllegalStateException(sb.toString());
 }
   }



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[gwt-contrib] Re: SpeedTracerLogger: Don't throw exceptions on missed events. Instead, try to recover gracefully. (issue674805)

[zundel]

http://gwt-code-reviews.appspot.com/674805/diff/1/2
File
dev/core/src/com/google/gwt/dev/util/log/speedtracer/SpeedTracerLogger.java
(right):

http://gwt-code-reviews.appspot.com/674805/diff/1/2#newcode310
dev/core/src/com/google/gwt/dev/util/log/speedtracer/SpeedTracerLogger.java:310:

This is no worse than before, and certainly it is not throwing
exceptions which I am sure causes grief, but I want to publicly note
that it isn't guaranteed to safely unwind the stack.  (I've been using
the logger to  nest events of the same type)

http://gwt-code-reviews.appspot.com/674805/show

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[gwt-contrib] Re: Change the way we include the User Auth files, keeping more of them (issue721803)

[unnurg]

http://gwt-code-reviews.appspot.com/721803/show

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[gwt-contrib] Re: Put in a new fix for DevMode logging that uses bytecode rewriting rather than swapping out (issue725801)

[fredsa]

LGTM


http://gwt-code-reviews.appspot.com/725801/diff/12001/13006
File
dev/core/src/com/google/gwt/dev/shell/rewrite/UseMirroredClasses.java
(right):

http://gwt-code-reviews.appspot.com/725801/diff/12001/13006#newcode43
dev/core/src/com/google/gwt/dev/shell/rewrite/UseMirroredClasses.java:43:
{
Make this is a static initialization block

static {
 ...
}

http://gwt-code-reviews.appspot.com/725801/diff/12001/13006#newcode48
dev/core/src/com/google/gwt/dev/shell/rewrite/UseMirroredClasses.java:48:
com/google/gwt/logging/impl/DevModeLoggingFixes.getName);
For compile time safety  IDE refactoring, you could get the
class+method name from, say:
DevModeLoggingFixes.class.getName().replace(., /) + .getName

http://gwt-code-reviews.appspot.com/725801/diff/12001/13012
File user/src/com/google/gwt/logging/client/LogConfiguration.java
(right):

http://gwt-code-reviews.appspot.com/725801/diff/12001/13012#newcode63
user/src/com/google/gwt/logging/client/LogConfiguration.java:63:
root.setUseParentHandlers(false);
A quick comments here as to why we need to set this to false would be
good

http://gwt-code-reviews.appspot.com/725801/diff/12001/13013
File user/src/com/google/gwt/logging/impl/DevModeLoggingFixes.java
(right):

http://gwt-code-reviews.appspot.com/725801/diff/12001/13013#newcode25
user/src/com/google/gwt/logging/impl/DevModeLoggingFixes.java:25: * This
class is used by the byte code rewriting which happens in DevMode only.
Add link to the rewriting class for reference, or an @see javadoc if you
prefer

tiny nit, smaller than a nit below: prefix which - prefix, which

http://gwt-code-reviews.appspot.com/725801/diff/12001/13013#newcode36
user/src/com/google/gwt/logging/impl/DevModeLoggingFixes.java:36: *
Replaces all logger.getName() calls
Also mention in the javadoc what the rewrite does.

http://gwt-code-reviews.appspot.com/725801/diff/12001/13013#newcode39
user/src/com/google/gwt/logging/impl/DevModeLoggingFixes.java:39: return
logger.getName().replace(GWT.getUniqueThreadId() + ., );
delegate to removeLoggerPrefix()

http://gwt-code-reviews.appspot.com/725801/diff/12001/13013#newcode73
user/src/com/google/gwt/logging/impl/DevModeLoggingFixes.java:73: return
name.replace(getLoggerPrefix(), );
We could potentially replace additional occurrences of the prefix in the
user's logger name, although admittedly unlikely.

You could use a regex with a '^' anchor, or a simple substring() based
on length of the prefix.

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[gwt-contrib] Made the error messages thrown in case of GWTTestCase timeouts more informative, as requested in (issue734801)

[amitmanjhi]

Reviewers: mmendez,

Description:
Made the error messages thrown in case of GWTTestCase timeouts more
informative, as requested in
http://code.google.com/p/google-web-toolkit/issues/detail?id=4099

Patch by: amitmanjhi
Review by: mmendez


Please review this at http://gwt-code-reviews.appspot.com/734801/show

Affected files:
  M user/src/com/google/gwt/junit/JUnitShell.java


Index: user/src/com/google/gwt/junit/JUnitShell.java
===
--- user/src/com/google/gwt/junit/JUnitShell.java   (revision 8450)
+++ user/src/com/google/gwt/junit/JUnitShell.java   (working copy)
@@ -1015,7 +1015,8 @@
 + testBatchingMethodTimeoutMillis
 + ms.\n  We have no results from:\n
 + messageQueue.getWorkingClients(currentTestInfo)
-+ Actual time elapsed:  + elapsed +  seconds.\n);
++ Actual time elapsed:  + elapsed +  seconds.\n
++ Try increasing this timeout using  
the '-testMethodTimeout number' option\n);

   }
 } else if (testBeginTimeout  currentTimeMillis) {
   double elapsed = (currentTimeMillis - testBeginTime) / 1000.0;
@@ -1023,7 +1024,9 @@
   The browser did not contact the server within 
   + baseTestBeginTimeoutMillis + ms.\n
   + messageQueue.getUnretrievedClients(currentTestInfo)
-  + \n Actual time elapsed:  + elapsed +  seconds.\n);
+  + \n Actual time elapsed:  + elapsed +  seconds.\n
+  + Try increasing this timeout using the '-testBeginTimeout  
number' option\n
+  + The default value of number is 1, i.e., the server waits  
1 minute or 60 seconds.\n);

 }

 // Check that we haven't lost communication with a remote host.


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[gwt-contrib] Re: Clean up JdtCompiler by moving out test-only code. (issue731801)

[scottb]

I'm going to have to abandon this change.  Turns out the api-checker
tool uses this API. :(

http://gwt-code-reviews.appspot.com/731801/show

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