Re: * No source code is available for type java.io.BufferedWriter; did you forget to inherit a required module?*

2008-09-29 Thread Manish Kumar

Hi everybody,

* That link is for Java classes that can be used on the client side, not
the server side. On the server side you can use any Java classes you
want.
 *
This seems a bit confusive statement.As per my knowledge ,Packages mention 
in JRE Emulation for GWT
on this location 
(http://code.google.com/docreader/#p=google-web-toolkit-doc-1-5s=google-web-toolkit-doc-1-5t=RefJreEmulation
 
 )are applied to Both server as well as client.

And also,for the same functionalitiy, I came to knew that we can call  a 
external java script function
(resposible for creating and writing files) inside a GWT Code (client side) 
using JSNI .Is this a good solution?

Please correct if I am wrong at any point.

Regards,
Manish




- Original Message - 
From: Arthur Kalmenson [EMAIL PROTECTED]
To: Google Web Toolkit Google-Web-Toolkit@googlegroups.com
Sent: Monday, September 29, 2008 4:41 AM
Subject: Re: * No source code is available for type java.io.BufferedWriter; 
did you forget to inherit a required module?*



That link is for Java classes that can be used on the client side, not
the server side. On the server side you can use any Java classes you
want.

Regards,
Arthur Kalmenson

On Sep 28, 11:21 am, Adam T [EMAIL PROTECTED] wrote:
 Too add to Lothar's comment, you can find which Java classes you can
 use on server side by referring 
 here:http://code.google.com/docreader/#p=google-web-toolkit-doc-1-5s=goog...

 BufferedWriter and FileWriter are not included for the reasons already
 stated.

 //A

 On 27 Sep, 11:53, Manish Kumar [EMAIL PROTECTED] wrote:

  Hi everybody,

  Thanks all of you for providing continuos support to each other.

  I am trying to write a file on GWT Client ( inside the method
  onModuleLoad )using BufferedWriter and FileWriter.

  The problem is that It is compiled successfuly but on the run time it 
  gives
  :

  * No source code is available for type java.io.BufferedWriter; did you
  forget to inherit a required module?*
  * No source code is available for type java.io.FileWriter; did you 
  forget to
  inherit a required module?*
  * No source code is available for type java.io.IOException; did you 
  forget
  to inherit a required module?*

  These seem a bit sily errors as I might not have included some required
  module or jar file,But troubling me a lot.

  I am using eclipse IDE and added all the jars to avoid any compilation
  error.

  And also is there any certian way to add module/lib/classpath for the 
  same.

  Usually I use *configure Build Path* and manual edit of gwt.xml.

  Does this make any difference?

  Can anybody please help me out to simulate which is the required for the
  same?

  Thanking in advance.

  Regards
  Manish


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Re: * No source code is available for type java.io.BufferedWriter; did you forget to inherit a required module?*

2008-09-29 Thread Adam T

Urgh, Sunday evening mistakes - it is of course a link to classes
available on client side; on server side you can use all of Java.
//A

On 29 Sep, 01:11, Arthur Kalmenson [EMAIL PROTECTED] wrote:
 That link is for Java classes that can be used on the client side, not
 the server side. On the server side you can use any Java classes you
 want.

 Regards,
 Arthur Kalmenson

 On Sep 28, 11:21 am, Adam T [EMAIL PROTECTED] wrote:



  Too add to Lothar's comment, you can find which Java classes you can
  use on server side by referring 
  here:http://code.google.com/docreader/#p=google-web-toolkit-doc-1-5s=goog...

  BufferedWriter and FileWriter are not included for the reasons already
  stated.

  //A

  On 27 Sep, 11:53, Manish Kumar [EMAIL PROTECTED] wrote:

   Hi everybody,

   Thanks all of you for providing continuos support to each other.

   I am trying to write a file on GWT Client ( inside the method
   onModuleLoad )using BufferedWriter and FileWriter.

   The problem is that It is compiled successfuly but on the run time it 
   gives
   :

   * No source code is available for type java.io.BufferedWriter; did you
   forget to inherit a required module?*
   * No source code is available for type java.io.FileWriter; did you forget 
   to
   inherit a required module?*
   * No source code is available for type java.io.IOException; did you forget
   to inherit a required module?*

   These seem a bit sily errors as I might not have included some required
   module or jar file,But troubling me a lot.

   I am using eclipse IDE and added all the jars to avoid any compilation
   error.

   And also is there any certian way to add module/lib/classpath for the 
   same.

   Usually I use *configure Build Path* and manual edit of  gwt.xml.

   Does this make any difference?

   Can anybody please help me out to simulate which is the required for the
   same?

   Thanking in advance.

   Regards
   Manish- Dölj citerad text -

 - Visa citerad text -
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Re: * No source code is available for type java.io.BufferedWriter; did you forget to inherit a required module?*

2008-09-29 Thread Lothar Kimmeringer

Manish Kumar schrieb:

 The main issue is that jsp existed on external webserver accepts only file 
 path to save the comments content.

I think you confuse PATH_INFO with file path. The path-info of a URL is
everything in the URL after the actual resource, so given a JSP-page
that is accessed
via http://www.example.com/servletpath/process.jsp/my/path/info/hello.txt
the PATH_INFO in that case would be /my/path/info/hello.txt (I write
PATH_INFO that way because this is the variable being used when using
the CGI-gateway.

In servlets (i.e. in JSP-pages as well) you can access the path-info-
value with getPathInfo() provided by the HttpServletRequest (that
can be accessed with the variable request inside JSP-pages).

 So I am force to create file having comments for each clicked item on the 
 browser.

I still don't see a need for the creation of files but it is looking
more like a special URL to be constructed. Again RequestBuilder would
be the class of choice in that case. On the other hand, if your JSP-
page expects a previous file-upload, you're screwed. In that case,
before starting a Signed Applet Project, you should consider extending
your JSP-page/servlet to accept the file as content of a POST-request.

 Sorry to ask Once more about (2) as I am bit confused , does RPC mechanisnm 
 work on production environment also.   If yes ,Can I process as mention in 

RPC works on production systems as well. gwt-servlet.jar and your server-
classes must be in the classpath of your web-application/server. As well,
your web.xml must contain a servlet-entry for your servlet. If you want
to use the PATH_INFO-functionality, you might need two entries, one
with the URL-pattern /MyServletPattern and /MyServletPattern/*


Regards, Lothar

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Re: * No source code is available for type java.io.BufferedWriter; did you forget to inherit a required module?*

2008-09-29 Thread Manish Kumar

Hi Lothar and all,

Thank all of you very much for much needed stuffs and great support.
Atlast, I  implemented by writing a separate servlet in our web 
container(external) which accepts the request URL (contains all file 
information and comment text )and write the file inside the server.

Regards
Manish


- Original Message - 
From: Lothar Kimmeringer [EMAIL PROTECTED]
To: Google-Web-Toolkit@googlegroups.com
Sent: Monday, September 29, 2008 5:16 PM
Subject: Re: * No source code is available for type java.io.BufferedWriter; 
did you forget to inherit a required module?*



 Manish Kumar schrieb:

 The main issue is that jsp existed on external webserver accepts only 
 file
 path to save the comments content.

 I think you confuse PATH_INFO with file path. The path-info of a URL is
 everything in the URL after the actual resource, so given a JSP-page
 that is accessed
 via http://www.example.com/servletpath/process.jsp/my/path/info/hello.txt
 the PATH_INFO in that case would be /my/path/info/hello.txt (I write
 PATH_INFO that way because this is the variable being used when using
 the CGI-gateway.

 In servlets (i.e. in JSP-pages as well) you can access the path-info-
 value with getPathInfo() provided by the HttpServletRequest (that
 can be accessed with the variable request inside JSP-pages).

 So I am force to create file having comments for each clicked item on the
 browser.

 I still don't see a need for the creation of files but it is looking
 more like a special URL to be constructed. Again RequestBuilder would
 be the class of choice in that case. On the other hand, if your JSP-
 page expects a previous file-upload, you're screwed. In that case,
 before starting a Signed Applet Project, you should consider extending
 your JSP-page/servlet to accept the file as content of a POST-request.

 Sorry to ask Once more about (2) as I am bit confused , does RPC 
 mechanisnm
 work on production environment also.   If yes ,Can I process as mention 
 in

 RPC works on production systems as well. gwt-servlet.jar and your server-
 classes must be in the classpath of your web-application/server. As well,
 your web.xml must contain a servlet-entry for your servlet. If you want
 to use the PATH_INFO-functionality, you might need two entries, one
 with the URL-pattern /MyServletPattern and /MyServletPattern/*


 Regards, Lothar

  


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Re: * No source code is available for type java.io.BufferedWriter; did you forget to inherit a required module?*

2008-09-28 Thread Adam T

Too add to Lothar's comment, you can find which Java classes you can
use on server side by referring here:
http://code.google.com/docreader/#p=google-web-toolkit-doc-1-5s=google-web-toolkit-doc-1-5t=RefJreEmulation

BufferedWriter and FileWriter are not included for the reasons already
stated.

//A

On 27 Sep, 11:53, Manish Kumar [EMAIL PROTECTED] wrote:
 Hi everybody,

 Thanks all of you for providing continuos support to each other.

 I am trying to write a file on GWT Client ( inside the method
 onModuleLoad )using BufferedWriter and FileWriter.

 The problem is that It is compiled successfuly but on the run time it gives
 :

 * No source code is available for type java.io.BufferedWriter; did you
 forget to inherit a required module?*
 * No source code is available for type java.io.FileWriter; did you forget to
 inherit a required module?*
 * No source code is available for type java.io.IOException; did you forget
 to inherit a required module?*

 These seem a bit sily errors as I might not have included some required
 module or jar file,But troubling me a lot.

 I am using eclipse IDE and added all the jars to avoid any compilation
 error.

 And also is there any certian way to add module/lib/classpath for the same.

 Usually I use *configure Build Path* and manual edit of  gwt.xml.

 Does this make any difference?

 Can anybody please help me out to simulate which is the required for the
 same?

 Thanking in advance.

 Regards
 Manish
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Re: * No source code is available for type java.io.BufferedWriter; did you forget to inherit a required module?*

2008-09-27 Thread Lothar Kimmeringer

Manish Kumar schrieb:

 I am trying to write a file on GWT Client ( inside the method 
 onModuleLoad )using BufferedWriter and FileWriter.

GWT compiles Java to Javascript and HTML. With that you're not
able to access the local filesystem of the client (aka browser).

So it's not surprising that there will be problems when trying
to use the corresponding classes of Java to do that. I'm won-
dering that you actually are able to compile that.

 These seem a bit sily errors as I might not have included some required 
 module or jar file,But troubling me a lot.

The Java-classes that can be used for a GWT-client is reduced.
Most of the writers and reader (and streams btw) are not
included.

 Can anybody please help me out to simulate which is the required
 for the same?

You can write a Java-Applet. When signing it with an (expensive)
certificate you can access the local filesystem of the client.
Using the Java-To-Javascript-engine and some JSNI-magic, you
should be able to access the filesystem with GWT (or any
other Javascrip-application).


Regards, Lothar

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