subject:"\"JSON Problem\""

Re: Truncated JSON problem using RequestBuilder with WCF rest service

2012-01-23 Thread shahid

Anyone 

On Jan 20, 3:43 pm, shahid  wrote:
> Using GWT 2.1, I have a WCF web service with a simple interface and I
> am trying to call it using RequestBuilder as follows:
>
> String url = "http://localhost/EmployeeService/Service1.svc/web/
> GetEmployees";
>     RequestBuilder builder = new RequestBuilder(RequestBuilder.GET,
> URL.encode(url));
>
>     try {
>         builder.sendRequest(null, new RequestCallback(){
>
>             @Override
>             public void onResponseReceived(Request request,  Response
> response) {
>                 if(200 == response.getStatusCode()){
>                     GWT.log(response.getText());
>                 }
>             }
>
>             @Override
>             public void onError(Request request, Throwable exception)
> {
>                 System.out.println("error=" + exception.getMessage());
>             }
>
>         });
>     }catch(Exception e){
>         e.printStackTrace();
>     }
>
> The service returns the following JSON and I have verified that in
> Firebug as well as Fidler:
>
> [
>     {
>         "Addresses":[
>             {
>                 "Line1":"22 High Street",
>                 "Line2":"Bookham"
>             }],
>
>         "Id":2,
>         "Name":"JHGFFF"
>     },
>     {
>         "Addresses":[
>             {
>                 "Line1":"59 Low Street",
>                 "Line2":"Leatherhead"
>             },
>             {
>                 "Line1":"33 No Entry Road",
>                 "Line2":"Fetchem"
>             }],
>
>         "Id":10,
>         "Name":"Done It"
>     }
> ]
>
> However when I look at the response.getText() it truncates the JSON to
> the following:
>
> [{"Id":2,"Name":"JHGFFF"},{"Id":10,"Name":"Done It"}]
>
> Very weired ??

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Truncated JSON problem using RequestBuilder with WCF rest service

2012-01-20 Thread shahid

Using GWT 2.1, I have a WCF web service with a simple interface and I
am trying to call it using RequestBuilder as follows:

String url = "http://localhost/EmployeeService/Service1.svc/web/
GetEmployees";
RequestBuilder builder = new RequestBuilder(RequestBuilder.GET,
URL.encode(url));

try {
builder.sendRequest(null, new RequestCallback(){

@Override
public void onResponseReceived(Request request,  Response
response) {
if(200 == response.getStatusCode()){
GWT.log(response.getText());
}
}

@Override
public void onError(Request request, Throwable exception)
{
System.out.println("error=" + exception.getMessage());
}

});
}catch(Exception e){
e.printStackTrace();
}

The service returns the following JSON and I have verified that in
Firebug as well as Fidler:

[
{
"Addresses":[
{
"Line1":"22 High Street",
"Line2":"Bookham"
}],

"Id":2,
"Name":"JHGFFF"
},
{
"Addresses":[
{
"Line1":"59 Low Street",
"Line2":"Leatherhead"
},
{
"Line1":"33 No Entry Road",
"Line2":"Fetchem"
}],

"Id":10,
"Name":"Done It"
}
]

However when I look at the response.getText() it truncates the JSON to
the following:

[{"Id":2,"Name":"JHGFFF"},{"Id":10,"Name":"Done It"}]

Very weired ??

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Re: JSON Problem

2010-07-08 Thread hi...@hiramchirino.com

The easiest way by far is to use RestyGWT

http://restygwt.fusesource.org/documentation/index.html

With it, you just create GWT RPC style service interfaces to access
restful JSON resources.

For example, lets say you want to post some JSON to a URL of "/blog/
comments":

{
  "author":"Hiram",
  "website":"http://hiramchirino.com";,
  "comment":"This is my comment."
}

and you expect to get some JSON back that looks like:

{
  "comment-id":1234,
  "moderated":true
}

The you would create some DTO style classes to give you type safe
access to  the request and response like:

class CommentRequest {
  public String author;
  public String website;
  public String comment;
}

class CommentResponse {
  @Json(name="comment-id")
  public String commentId;
  public boolean moderated;
}

Notice that it can even deal with odd property names like "comment-id"
which would be very hard to access with js overlays.

Then you then create GWT RPC style service interfaces to access your
URL:

public interface CommentService extends RestService {
@POST @Path("/blog/comments")
public void comment(CommentRequest request,
MethodCallback callback);
}

You then create an instance use the service interface the same way
that
GWT RPC does it:

CommentService service = GWT.create(CommentService.class);

CommentRequest req = new CommentRequest
req.author = "Hiram"
req.website = "http://hiramchirino.com";
req.comment = "This is my comment."

service.comment(req, new MethodCallback() {
public void onFailure(Method method, Throwable exception) {
Window.alert("Error x: " + exception);
}

public void onSuccess(Method method, CommentResponse response) {
Window.alert("posted comment: "+response.commentId);
}
});

Hope that helped.


On Jul 5, 8:01 am, Ahmed Shoeib  wrote:
> Dear Friends ,
>
> i face a problem when trying to send and receive json object between
> client and server in GWT application
>
> so i want a simple example that show me how to do this
>
> Thanks,
> ahmed shoeib

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Re: JSON Problem

2010-07-07 Thread Ahmed Shoeib

i don't know how to get the parameter from RequestBuilder

i tried

rb.sendRequest("json_mem="+json_obj.toString(), new RequestCallback()
{

... }

and on ther server
req.getparameter(""json_mem") ;

and the result is null

how i can get the parameter in post method

On Jul 7, 11:08 pm, Thomas Broyer  wrote:
> On 7 juil, 20:47, Ahmed Shoeib  wrote:
>
>
>
> > hi ,
> > converting the java object to JSON Done using
>
> > SONObject json_obj = new JSONObject();
> > json_obj.put("Member_Email",new JSONString(symbol));
> > json_obj.put("Member_type", new JSONString(type));
>
> > and send it using post method using RequestBuilder
>
> > try {
> >                                 rb.sendRequest(json_obj.toString(), new 
> > RequestCallback() {
> > .
> > .
> > .
> > .
>
> > }
> > }
>
> > i need to know how to get this object on the server and convert it to
> > object again
>
> Using any JSON parser; seehttp://json.org/for a list of Java (or
> other language) implementations.
> Note that GWT 2.1 M1 and M2 include org.json, needed for the
> RequestFactory.

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Re: JSON Problem

2010-07-07 Thread Thomas Broyer



On 7 juil, 20:47, Ahmed Shoeib  wrote:
> hi ,
> converting the java object to JSON Done using
>
> SONObject json_obj = new JSONObject();
> json_obj.put("Member_Email",new JSONString(symbol));
> json_obj.put("Member_type", new JSONString(type));
>
> and send it using post method using RequestBuilder
>
> try {
>                                 rb.sendRequest(json_obj.toString(), new 
> RequestCallback() {
> .
> .
> .
> .
>
> }
> }
>
> i need to know how to get this object on the server and convert it to
> object again

Using any JSON parser; see http://json.org/ for a list of Java (or
other language) implementations.
Note that GWT 2.1 M1 and M2 include org.json, needed for the
RequestFactory.

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Re: JSON Problem

2010-07-07 Thread Ahmed Shoeib

hi ,
converting the java object to JSON Done using

SONObject json_obj = new JSONObject();
json_obj.put("Member_Email",new JSONString(symbol));
json_obj.put("Member_type", new JSONString(type));

and send it using post method using RequestBuilder

try {
rb.sendRequest(json_obj.toString(), new 
RequestCallback() {
.
.
.
.
}
}

i need to know how to get this object on the server and convert it to
object again

thanks ,
On Jul 6, 10:36 pm, eggsy84  wrote:
> Hi all,
>
> (As mentioned on the following 
> post:http://groups.google.com/group/google-web-toolkit/browse_thread/threa...
> )
>
> With the latest versions of GWT you don't have to use any other
> libraries.
>
> GWT now comes with something known as Javascript Overlays that you can
> utilise to convert JSON into Objects.
>
> See here:
>
> http://code.google.com/webtoolkit/doc/latest/DevGuideCodingBasicsOver...
>
> Also I have made a bit of a discussion on my blog here:
>
> http://eggsylife.co.uk/2010/04/22/gwt-2-jsonp-and-javascript-overlays...
>
> Hope this helps,
>
> Eggsy
>
> On Jul 6, 1:44 pm, André Moraes  wrote:
>
> > I don't think that the Gson project can be used as a GWT module.
>
> > Looks like it is for pure java development, not GWT development.
>
> > Take a look at:http://code.google.com/p/piriti/
>
> > This project is a GWT library that provide
> > JSON and XML facilities.
>
> > On Tue, Jul 6, 2010 at 5:22 AM, Ahmed Shoeib
> > wrote:
>
> > > i face this problem
> > > how i can fix it
>
> > > the problem
>
> > > /AdminPanel.java'
> > >         [ERROR] Line 139: No source code is available for type
> > > com.google.gson.Gson; did you forget to inherit a required module?
>
> > > Thanks,
> > > ahmed shoeib
>
> > > On Jul 5, 9:33 pm, André Moraes  wrote:
> > > > The response comes async.
>
> > > > When the response from the server arrives at the client the method
> > > > onResponseReceived in the RequestCallback object is called, if an
> > > > error hapens the the onErrormethod is called.
>
> > > > The RequestCallback object is the second parameter in the sendRequest
> > > > function call.
>
> > > >                                 public void onResponseReceived(Request
> > > > request, Response response)
> > > > {
> > > >                                         if (response.getStatusCode()
> > > > == 200 || response.getStatusCode()
> > > > == 304)
> > > >                                         {
> > > >                                                 JavaScriptObject
> > > > responseData =
> > > > JsonHelper.stringToJso(response.getText()).cast());
> > > >             // use the response
> > > >                                         }
> > > >                                         else
> > > >                                         {
> > > >             // invalid response
> > > >                                         }
> > > >                                 }
> > > >                                 @Override
> > > >                                 public void onError(Request request,
> > > > Throwable exception) {
> > > >                                         // error on the resquest
> > > >                                 }
> > > >                         });
>
> > > > On 5 jul, 15:01, Ahmed Shoeib  wrote:
>
> > > > > you told me how to send request from client to server
>
> > > > > now i want how yo get data from server to use it in client
>
> > > > > and the data in json
>
> > > > > On Jul 5, 8:12 pm, André Moraes  wrote:
>
> > > > > > This code is quite simple
>
> > > > > > The line:
>
> > > > > >  re = rb.sendRequest("jsonrpc-call=" + JsonHelper.jsoToString(call),
> > > > > > new RequestCallback()
>
> > > > > > prepare a AJAX call to the server and make your javascript object to
> > > a
> > > > > > string using JsonHelper.jsoToString.
> > > > > > In ther server the json-string will be accessible by the parameter
> > > > > > "jsonrpc-call".
>
> > > > > > The line:
>
> > > > > >                                         if (response.getStatusCode()
> > > > > > == 200 || response.getStatusCode()
> > > > > > == 304)
> > > > > >                                         {
> > > > > >                                                 JavaScriptObject
> > > > > > responseData =
> > > > > > JsonHelper.stringToJso(response.getText()).cast());
> > > > > >             // use the response
> > > > > >                                         }
>
> > > > > > get the response wrote by the server and make i availabe as a
> > > > > > JavaScriptObject.
>
> > > > > > You can use the JSONObject class to populate and read a
> > > > > > JavaScriptObject.
>
> > > > > > You can read more about JSON + GWT at:
>
> > >http://code.google.com/intl/webtoolkit/webtoolkit/doc/latest/DevGuide...
> > > > > > andhttp://
> > > code.google.com/intl/webtoolkit/webtoolkit/articles/using_gwt_...
> > > > > > On 5 jul, 12:50, Ahmed Shoeib  wrote:
>
> > > > > > > i want a simple example to describe it
> > > > > > >

Re: JSON Problem

2010-07-06 Thread eggsy84

Hi all,

(As mentioned on the following post:
http://groups.google.com/group/google-web-toolkit/browse_thread/thread/b7c280baf2375841#
)

With the latest versions of GWT you don't have to use any other
libraries.

GWT now comes with something known as Javascript Overlays that you can
utilise to convert JSON into Objects.

See here:

http://code.google.com/webtoolkit/doc/latest/DevGuideCodingBasicsOverlay.html

Also I have made a bit of a discussion on my blog here:

http://eggsylife.co.uk/2010/04/22/gwt-2-jsonp-and-javascript-overlays-with-jsonprequestbuilder/

Hope this helps,

Eggsy

On Jul 6, 1:44 pm, André Moraes  wrote:
> I don't think that the Gson project can be used as a GWT module.
>
> Looks like it is for pure java development, not GWT development.
>
> Take a look at:http://code.google.com/p/piriti/
>
> This project is a GWT library that provide
> JSON and XML facilities.
>
> On Tue, Jul 6, 2010 at 5:22 AM, Ahmed Shoeib
> wrote:
>
>
>
> > i face this problem
> > how i can fix it
>
> > the problem
>
> > /AdminPanel.java'
> >         [ERROR] Line 139: No source code is available for type
> > com.google.gson.Gson; did you forget to inherit a required module?
>
> > Thanks,
> > ahmed shoeib
>
> > On Jul 5, 9:33 pm, André Moraes  wrote:
> > > The response comes async.
>
> > > When the response from the server arrives at the client the method
> > > onResponseReceived in the RequestCallback object is called, if an
> > > error hapens the the onErrormethod is called.
>
> > > The RequestCallback object is the second parameter in the sendRequest
> > > function call.
>
> > >                                 public void onResponseReceived(Request
> > > request, Response response)
> > > {
> > >                                         if (response.getStatusCode()
> > > == 200 || response.getStatusCode()
> > > == 304)
> > >                                         {
> > >                                                 JavaScriptObject
> > > responseData =
> > > JsonHelper.stringToJso(response.getText()).cast());
> > >             // use the response
> > >                                         }
> > >                                         else
> > >                                         {
> > >             // invalid response
> > >                                         }
> > >                                 }
> > >                                 @Override
> > >                                 public void onError(Request request,
> > > Throwable exception) {
> > >                                         // error on the resquest
> > >                                 }
> > >                         });
>
> > > On 5 jul, 15:01, Ahmed Shoeib  wrote:
>
> > > > you told me how to send request from client to server
>
> > > > now i want how yo get data from server to use it in client
>
> > > > and the data in json
>
> > > > On Jul 5, 8:12 pm, André Moraes  wrote:
>
> > > > > This code is quite simple
>
> > > > > The line:
>
> > > > >  re = rb.sendRequest("jsonrpc-call=" + JsonHelper.jsoToString(call),
> > > > > new RequestCallback()
>
> > > > > prepare a AJAX call to the server and make your javascript object to
> > a
> > > > > string using JsonHelper.jsoToString.
> > > > > In ther server the json-string will be accessible by the parameter
> > > > > "jsonrpc-call".
>
> > > > > The line:
>
> > > > >                                         if (response.getStatusCode()
> > > > > == 200 || response.getStatusCode()
> > > > > == 304)
> > > > >                                         {
> > > > >                                                 JavaScriptObject
> > > > > responseData =
> > > > > JsonHelper.stringToJso(response.getText()).cast());
> > > > >             // use the response
> > > > >                                         }
>
> > > > > get the response wrote by the server and make i availabe as a
> > > > > JavaScriptObject.
>
> > > > > You can use the JSONObject class to populate and read a
> > > > > JavaScriptObject.
>
> > > > > You can read more about JSON + GWT at:
>
> >http://code.google.com/intl/webtoolkit/webtoolkit/doc/latest/DevGuide...
> > > > > andhttp://
> > code.google.com/intl/webtoolkit/webtoolkit/articles/using_gwt_...
> > > > > On 5 jul, 12:50, Ahmed Shoeib  wrote:
>
> > > > > > i want a simple example to describe it
> > > > > > cause i need it as soon as possible
>
> > > > > > On Jul 5, 6:18 pm, André Moraes  wrote:
>
> > > > > > >                         re = rb.sendRequest("jsonrpc-call=" +
> > JsonHelper.jsoToString(call),
> > > > > > > new RequestCallback() {
>
> > > > > > >                                 @Override
> > > > > > >                                 public void
> > onResponseReceived(Request request, Response response)
> > > > > > > {
> > > > > > >                                         if
> > (response.getStatusCode() == 200 || response.getStatusCode()
> > > > > > > == 304)
> > > > > > >                                         {
> > > > > >

Re: JSON Problem

2010-07-06 Thread André Moraes

I don't think that the Gson project can be used as a GWT module.

Looks like it is for pure java development, not GWT development.

Take a look at: http://code.google.com/p/piriti/

This project is a GWT library that provide
JSON and XML facilities.

On Tue, Jul 6, 2010 at 5:22 AM, Ahmed Shoeib
wrote:

> i face this problem
> how i can fix it
>
> the problem
>
>
>
> /AdminPanel.java'
> [ERROR] Line 139: No source code is available for type
> com.google.gson.Gson; did you forget to inherit a required module?
>
>
> Thanks,
> ahmed shoeib
>
>
> On Jul 5, 9:33 pm, André Moraes  wrote:
> > The response comes async.
> >
> > When the response from the server arrives at the client the method
> > onResponseReceived in the RequestCallback object is called, if an
> > error hapens the the onErrormethod is called.
> >
> > The RequestCallback object is the second parameter in the sendRequest
> > function call.
> >
> > public void onResponseReceived(Request
> > request, Response response)
> > {
> > if (response.getStatusCode()
> > == 200 || response.getStatusCode()
> > == 304)
> > {
> > JavaScriptObject
> > responseData =
> > JsonHelper.stringToJso(response.getText()).cast());
> > // use the response
> > }
> > else
> > {
> > // invalid response
> > }
> > }
> > @Override
> > public void onError(Request request,
> > Throwable exception) {
> > // error on the resquest
> > }
> > });
> >
> > On 5 jul, 15:01, Ahmed Shoeib  wrote:
> >
> > > you told me how to send request from client to server
> >
> > > now i want how yo get data from server to use it in client
> >
> > > and the data in json
> >
> > > On Jul 5, 8:12 pm, André Moraes  wrote:
> >
> > > > This code is quite simple
> >
> > > > The line:
> >
> > > >  re = rb.sendRequest("jsonrpc-call=" + JsonHelper.jsoToString(call),
> > > > new RequestCallback()
> >
> > > > prepare a AJAX call to the server and make your javascript object to
> a
> > > > string using JsonHelper.jsoToString.
> > > > In ther server the json-string will be accessible by the parameter
> > > > "jsonrpc-call".
> >
> > > > The line:
> >
> > > > if (response.getStatusCode()
> > > > == 200 || response.getStatusCode()
> > > > == 304)
> > > > {
> > > > JavaScriptObject
> > > > responseData =
> > > > JsonHelper.stringToJso(response.getText()).cast());
> > > > // use the response
> > > > }
> >
> > > > get the response wrote by the server and make i availabe as a
> > > > JavaScriptObject.
> >
> > > > You can use the JSONObject class to populate and read a
> > > > JavaScriptObject.
> >
> > > > You can read more about JSON + GWT at:
> >
> > > >
> http://code.google.com/intl/webtoolkit/webtoolkit/doc/latest/DevGuide...
> > > > andhttp://
> code.google.com/intl/webtoolkit/webtoolkit/articles/using_gwt_...
> > > > On 5 jul, 12:50, Ahmed Shoeib  wrote:
> >
> > > > > i want a simple example to describe it
> > > > > cause i need it as soon as possible
> >
> > > > > On Jul 5, 6:18 pm, André Moraes  wrote:
> >
> > > > > > re = rb.sendRequest("jsonrpc-call=" +
> JsonHelper.jsoToString(call),
> > > > > > new RequestCallback() {
> >
> > > > > > @Override
> > > > > > public void
> onResponseReceived(Request request, Response response)
> > > > > > {
> > > > > > if
> (response.getStatusCode() == 200 || response.getStatusCode()
> > > > > > == 304)
> > > > > > {
> > > > > > JavaScriptObject
> responseData =
> > > > > > JsonHelper.stringToJso(response.getText()).cast());
> > > > > > // use the response
> > > > > > }
> > > > > > else
> > > > > > {
> > > > > > // invalid response
> > > > > > }
> > > > > > }
> >
> > > > > > @Override
> > > > > > public void onError(Request
> request, Throwable exception) {
> > > > > > // error on the resquest
> > > > > >

Re: JSON Problem

2010-07-06 Thread Ahmed Shoeib

i face this problem
how i can fix it

the problem



/AdminPanel.java'
 [ERROR] Line 139: No source code is available for type
com.google.gson.Gson; did you forget to inherit a required module?


Thanks,
ahmed shoeib


On Jul 5, 9:33 pm, André Moraes  wrote:
> The response comes async.
>
> When the response from the server arrives at the client the method
> onResponseReceived in the RequestCallback object is called, if an
> error hapens the the onErrormethod is called.
>
> The RequestCallback object is the second parameter in the sendRequest
> function call.
>
>                                 public void onResponseReceived(Request
> request, Response response)
> {
>                                         if (response.getStatusCode()
> == 200 || response.getStatusCode()
> == 304)
>                                         {
>                                                 JavaScriptObject
> responseData =
> JsonHelper.stringToJso(response.getText()).cast());
>             // use the response
>                                         }
>                                         else
>                                         {
>             // invalid response
>                                         }
>                                 }
>                                 @Override
>                                 public void onError(Request request,
> Throwable exception) {
>                                         // error on the resquest
>                                 }
>                         });
>
> On 5 jul, 15:01, Ahmed Shoeib  wrote:
>
> > you told me how to send request from client to server
>
> > now i want how yo get data from server to use it in client
>
> > and the data in json
>
> > On Jul 5, 8:12 pm, André Moraes  wrote:
>
> > > This code is quite simple
>
> > > The line:
>
> > >  re = rb.sendRequest("jsonrpc-call=" + JsonHelper.jsoToString(call),
> > > new RequestCallback()
>
> > > prepare a AJAX call to the server and make your javascript object to a
> > > string using JsonHelper.jsoToString.
> > > In ther server the json-string will be accessible by the parameter
> > > "jsonrpc-call".
>
> > > The line:
>
> > >                                         if (response.getStatusCode()
> > > == 200 || response.getStatusCode()
> > > == 304)
> > >                                         {
> > >                                                 JavaScriptObject
> > > responseData =
> > > JsonHelper.stringToJso(response.getText()).cast());
> > >             // use the response
> > >                                         }
>
> > > get the response wrote by the server and make i availabe as a
> > > JavaScriptObject.
>
> > > You can use the JSONObject class to populate and read a
> > > JavaScriptObject.
>
> > > You can read more about JSON + GWT at:
>
> > >http://code.google.com/intl/webtoolkit/webtoolkit/doc/latest/DevGuide...
> > > andhttp://code.google.com/intl/webtoolkit/webtoolkit/articles/using_gwt_...
> > > On 5 jul, 12:50, Ahmed Shoeib  wrote:
>
> > > > i want a simple example to describe it
> > > > cause i need it as soon as possible
>
> > > > On Jul 5, 6:18 pm, André Moraes  wrote:
>
> > > > >                         re = rb.sendRequest("jsonrpc-call=" + 
> > > > > JsonHelper.jsoToString(call),
> > > > > new RequestCallback() {
>
> > > > >                                 @Override
> > > > >                                 public void 
> > > > > onResponseReceived(Request request, Response response)
> > > > > {
> > > > >                                         if (response.getStatusCode() 
> > > > > == 200 || response.getStatusCode()
> > > > > == 304)
> > > > >                                         {
> > > > >                                                 JavaScriptObject 
> > > > > responseData =
> > > > > JsonHelper.stringToJso(response.getText()).cast());
> > > > >             // use the response
> > > > >                                         }
> > > > >                                         else
> > > > >                                         {
> > > > >             // invalid response
> > > > >                                         }
> > > > >                                 }
>
> > > > >                                 @Override
> > > > >                                 public void onError(Request request, 
> > > > > Throwable exception) {
> > > > >                                         // error on the resquest
> > > > >                                 }
> > > > >                         });
>
> > > > > public class JsonHelper {
>
> > > > >         public static String jsoToString(JavaScriptObject jso) {
> > > > >                 if (isJsonLibraryDefined()) {
> > > > >                         return _jsoToString(jso);
> > > > >                 } else {
> > > > >                         return new JSONObject(jso).toString();
> > > > >                 }
> > > > >         }
>
> > > > >         public static JavaScriptObject stringToJso(String value) {
> > > > >

Re: JSON Problem

2010-07-05 Thread Ahmed Shoeib

Thanks a lot My Friends
it is easy way

thanks for your support

On Jul 5, 9:33 pm, André Moraes  wrote:
> The response comes async.
>
> When the response from the server arrives at the client the method
> onResponseReceived in the RequestCallback object is called, if an
> error hapens the the onErrormethod is called.
>
> The RequestCallback object is the second parameter in the sendRequest
> function call.
>
>                                 public void onResponseReceived(Request
> request, Response response)
> {
>                                         if (response.getStatusCode()
> == 200 || response.getStatusCode()
> == 304)
>                                         {
>                                                 JavaScriptObject
> responseData =
> JsonHelper.stringToJso(response.getText()).cast());
>             // use the response
>                                         }
>                                         else
>                                         {
>             // invalid response
>                                         }
>                                 }
>                                 @Override
>                                 public void onError(Request request,
> Throwable exception) {
>                                         // error on the resquest
>                                 }
>                         });
>
> On 5 jul, 15:01, Ahmed Shoeib  wrote:
>
> > you told me how to send request from client to server
>
> > now i want how yo get data from server to use it in client
>
> > and the data in json
>
> > On Jul 5, 8:12 pm, André Moraes  wrote:
>
> > > This code is quite simple
>
> > > The line:
>
> > >  re = rb.sendRequest("jsonrpc-call=" + JsonHelper.jsoToString(call),
> > > new RequestCallback()
>
> > > prepare a AJAX call to the server and make your javascript object to a
> > > string using JsonHelper.jsoToString.
> > > In ther server the json-string will be accessible by the parameter
> > > "jsonrpc-call".
>
> > > The line:
>
> > >                                         if (response.getStatusCode()
> > > == 200 || response.getStatusCode()
> > > == 304)
> > >                                         {
> > >                                                 JavaScriptObject
> > > responseData =
> > > JsonHelper.stringToJso(response.getText()).cast());
> > >             // use the response
> > >                                         }
>
> > > get the response wrote by the server and make i availabe as a
> > > JavaScriptObject.
>
> > > You can use the JSONObject class to populate and read a
> > > JavaScriptObject.
>
> > > You can read more about JSON + GWT at:
>
> > >http://code.google.com/intl/webtoolkit/webtoolkit/doc/latest/DevGuide...
> > > andhttp://code.google.com/intl/webtoolkit/webtoolkit/articles/using_gwt_...
> > > On 5 jul, 12:50, Ahmed Shoeib  wrote:
>
> > > > i want a simple example to describe it
> > > > cause i need it as soon as possible
>
> > > > On Jul 5, 6:18 pm, André Moraes  wrote:
>
> > > > >                         re = rb.sendRequest("jsonrpc-call=" + 
> > > > > JsonHelper.jsoToString(call),
> > > > > new RequestCallback() {
>
> > > > >                                 @Override
> > > > >                                 public void 
> > > > > onResponseReceived(Request request, Response response)
> > > > > {
> > > > >                                         if (response.getStatusCode() 
> > > > > == 200 || response.getStatusCode()
> > > > > == 304)
> > > > >                                         {
> > > > >                                                 JavaScriptObject 
> > > > > responseData =
> > > > > JsonHelper.stringToJso(response.getText()).cast());
> > > > >             // use the response
> > > > >                                         }
> > > > >                                         else
> > > > >                                         {
> > > > >             // invalid response
> > > > >                                         }
> > > > >                                 }
>
> > > > >                                 @Override
> > > > >                                 public void onError(Request request, 
> > > > > Throwable exception) {
> > > > >                                         // error on the resquest
> > > > >                                 }
> > > > >                         });
>
> > > > > public class JsonHelper {
>
> > > > >         public static String jsoToString(JavaScriptObject jso) {
> > > > >                 if (isJsonLibraryDefined()) {
> > > > >                         return _jsoToString(jso);
> > > > >                 } else {
> > > > >                         return new JSONObject(jso).toString();
> > > > >                 }
> > > > >         }
>
> > > > >         public static JavaScriptObject stringToJso(String value) {
> > > > >                 if (isJsonLibraryDefined()) {
> > > > >                         return _stringToJso(value);
> > > > >                 } else {
> > > > >

Re: JSON Problem

2010-07-05 Thread André Moraes

The response comes async.

When the response from the server arrives at the client the method
onResponseReceived in the RequestCallback object is called, if an
error hapens the the onErrormethod is called.

The RequestCallback object is the second parameter in the sendRequest
function call.


public void onResponseReceived(Request
request, Response response)
{
if (response.getStatusCode()
== 200 || response.getStatusCode()
== 304)
{
JavaScriptObject
responseData =
JsonHelper.stringToJso(response.getText()).cast());
// use the response
}
else
{
// invalid response
}
}
@Override
public void onError(Request request,
Throwable exception) {
// error on the resquest
}
});


On 5 jul, 15:01, Ahmed Shoeib  wrote:
> you told me how to send request from client to server
>
> now i want how yo get data from server to use it in client
>
> and the data in json
>
> On Jul 5, 8:12 pm, André Moraes  wrote:
>
>
>
> > This code is quite simple
>
> > The line:
>
> >  re = rb.sendRequest("jsonrpc-call=" + JsonHelper.jsoToString(call),
> > new RequestCallback()
>
> > prepare a AJAX call to the server and make your javascript object to a
> > string using JsonHelper.jsoToString.
> > In ther server the json-string will be accessible by the parameter
> > "jsonrpc-call".
>
> > The line:
>
> >                                         if (response.getStatusCode()
> > == 200 || response.getStatusCode()
> > == 304)
> >                                         {
> >                                                 JavaScriptObject
> > responseData =
> > JsonHelper.stringToJso(response.getText()).cast());
> >             // use the response
> >                                         }
>
> > get the response wrote by the server and make i availabe as a
> > JavaScriptObject.
>
> > You can use the JSONObject class to populate and read a
> > JavaScriptObject.
>
> > You can read more about JSON + GWT at:
>
> >http://code.google.com/intl/webtoolkit/webtoolkit/doc/latest/DevGuide...
> > andhttp://code.google.com/intl/webtoolkit/webtoolkit/articles/using_gwt_...
> > On 5 jul, 12:50, Ahmed Shoeib  wrote:
>
> > > i want a simple example to describe it
> > > cause i need it as soon as possible
>
> > > On Jul 5, 6:18 pm, André Moraes  wrote:
>
> > > >                         re = rb.sendRequest("jsonrpc-call=" + 
> > > > JsonHelper.jsoToString(call),
> > > > new RequestCallback() {
>
> > > >                                 @Override
> > > >                                 public void onResponseReceived(Request 
> > > > request, Response response)
> > > > {
> > > >                                         if (response.getStatusCode() == 
> > > > 200 || response.getStatusCode()
> > > > == 304)
> > > >                                         {
> > > >                                                 JavaScriptObject 
> > > > responseData =
> > > > JsonHelper.stringToJso(response.getText()).cast());
> > > >             // use the response
> > > >                                         }
> > > >                                         else
> > > >                                         {
> > > >             // invalid response
> > > >                                         }
> > > >                                 }
>
> > > >                                 @Override
> > > >                                 public void onError(Request request, 
> > > > Throwable exception) {
> > > >                                         // error on the resquest
> > > >                                 }
> > > >                         });
>
> > > > public class JsonHelper {
>
> > > >         public static String jsoToString(JavaScriptObject jso) {
> > > >                 if (isJsonLibraryDefined()) {
> > > >                         return _jsoToString(jso);
> > > >                 } else {
> > > >                         return new JSONObject(jso).toString();
> > > >                 }
> > > >         }
>
> > > >         public static JavaScriptObject stringToJso(String value) {
> > > >                 if (isJsonLibraryDefined()) {
> > > >                         return _stringToJso(value);
> > > >                 } else {
> > > >                         return _stringToJsoEval(value);
> > > >                 }
> > > >         }
>
> > > >         public static native String _jsoToString(JavaScriptObject jso) 
> > > > /*-{
> > > >                 return JSON.stringify(jso);
> > > >         }-*/;
>
> > > >         public static native JavaScriptObjec

Re: JSON Problem

2010-07-05 Thread Ahmed Shoeib

you told me how to send request from client to server

now i want how yo get data from server to use it in client

and the data in json


On Jul 5, 8:12 pm, André Moraes  wrote:
> This code is quite simple
>
> The line:
>
>  re = rb.sendRequest("jsonrpc-call=" + JsonHelper.jsoToString(call),
> new RequestCallback()
>
> prepare a AJAX call to the server and make your javascript object to a
> string using JsonHelper.jsoToString.
> In ther server the json-string will be accessible by the parameter
> "jsonrpc-call".
>
> The line:
>
>                                         if (response.getStatusCode()
> == 200 || response.getStatusCode()
> == 304)
>                                         {
>                                                 JavaScriptObject
> responseData =
> JsonHelper.stringToJso(response.getText()).cast());
>             // use the response
>                                         }
>
> get the response wrote by the server and make i availabe as a
> JavaScriptObject.
>
> You can use the JSONObject class to populate and read a
> JavaScriptObject.
>
> You can read more about JSON + GWT at:
>
> http://code.google.com/intl/webtoolkit/webtoolkit/doc/latest/DevGuide...
> andhttp://code.google.com/intl/webtoolkit/webtoolkit/articles/using_gwt_...
> On 5 jul, 12:50, Ahmed Shoeib  wrote:
>
> > i want a simple example to describe it
> > cause i need it as soon as possible
>
> > On Jul 5, 6:18 pm, André Moraes  wrote:
>
> > >                         re = rb.sendRequest("jsonrpc-call=" + 
> > > JsonHelper.jsoToString(call),
> > > new RequestCallback() {
>
> > >                                 @Override
> > >                                 public void onResponseReceived(Request 
> > > request, Response response)
> > > {
> > >                                         if (response.getStatusCode() == 
> > > 200 || response.getStatusCode()
> > > == 304)
> > >                                         {
> > >                                                 JavaScriptObject 
> > > responseData =
> > > JsonHelper.stringToJso(response.getText()).cast());
> > >             // use the response
> > >                                         }
> > >                                         else
> > >                                         {
> > >             // invalid response
> > >                                         }
> > >                                 }
>
> > >                                 @Override
> > >                                 public void onError(Request request, 
> > > Throwable exception) {
> > >                                         // error on the resquest
> > >                                 }
> > >                         });
>
> > > public class JsonHelper {
>
> > >         public static String jsoToString(JavaScriptObject jso) {
> > >                 if (isJsonLibraryDefined()) {
> > >                         return _jsoToString(jso);
> > >                 } else {
> > >                         return new JSONObject(jso).toString();
> > >                 }
> > >         }
>
> > >         public static JavaScriptObject stringToJso(String value) {
> > >                 if (isJsonLibraryDefined()) {
> > >                         return _stringToJso(value);
> > >                 } else {
> > >                         return _stringToJsoEval(value);
> > >                 }
> > >         }
>
> > >         public static native String _jsoToString(JavaScriptObject jso) 
> > > /*-{
> > >                 return JSON.stringify(jso);
> > >         }-*/;
>
> > >         public static native JavaScriptObject _stringToJso(String string) 
> > > /*-
> > > {
> > >                 return JSON.parse(string);
> > >         }-*/;
>
> > >         public static native JavaScriptObject _stringToJsoEval(String
> > > string) /*-{
> > >                 return eval("(" + string + ")");
> > >         }-*/;
>
> > >         public static native boolean isJsonLibraryDefined() /*-{
> > >                 return typeof(JSON) != 'undefined'
> > >                         && typeof(JSON.parse) != 'undefined'
> > >                         && typeof(JSON.stringify) != 'undefined';
> > >         }-*/;
>
> > > }
>
> > > The JsonHelper class handle the conversion to and from JSON.
>
> > > If possible use the json.org javascript library that implements the
> > > functions JSON.parse / JSON.stringify
>
> > > I am currently writing a project that encapsulates that library and
> > > make it more easier to use than this JsonHelper class.
>
> > > When i release it in google-code I let you know.
>
> > > Hope it helps.
>
> > > On 5 jul, 09:01, Ahmed Shoeib  wrote:
>
> > > > Dear Friends ,
>
> > > > i face a problem when trying to send and receive json object between
> > > > client and server in GWT application
>
> > > > so i want a simple example that show me how to do this
>
> > > > Thanks,
> > > > ahmed shoeib

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To post to this

Re: JSON Problem

2010-07-05 Thread André Moraes

This code is quite simple

The line:

 re = rb.sendRequest("jsonrpc-call=" + JsonHelper.jsoToString(call),
new RequestCallback()

prepare a AJAX call to the server and make your javascript object to a
string using JsonHelper.jsoToString.
In ther server the json-string will be accessible by the parameter
"jsonrpc-call".


The line:

if (response.getStatusCode()
== 200 || response.getStatusCode()
== 304)
{
JavaScriptObject
responseData =
JsonHelper.stringToJso(response.getText()).cast());
// use the response
}

get the response wrote by the server and make i availabe as a
JavaScriptObject.

You can use the JSONObject class to populate and read a
JavaScriptObject.

You can read more about JSON + GWT at:

http://code.google.com/intl/webtoolkit/webtoolkit/doc/latest/DevGuideServerCommunication.html#DevGuideHttpRequests
and
http://code.google.com/intl/webtoolkit/webtoolkit/articles/using_gwt_for_json_mashups.html
On 5 jul, 12:50, Ahmed Shoeib  wrote:
> i want a simple example to describe it
> cause i need it as soon as possible
>
> On Jul 5, 6:18 pm, André Moraes  wrote:
>
>
>
> >                         re = rb.sendRequest("jsonrpc-call=" + 
> > JsonHelper.jsoToString(call),
> > new RequestCallback() {
>
> >                                 @Override
> >                                 public void onResponseReceived(Request 
> > request, Response response)
> > {
> >                                         if (response.getStatusCode() == 200 
> > || response.getStatusCode()
> > == 304)
> >                                         {
> >                                                 JavaScriptObject 
> > responseData =
> > JsonHelper.stringToJso(response.getText()).cast());
> >             // use the response
> >                                         }
> >                                         else
> >                                         {
> >             // invalid response
> >                                         }
> >                                 }
>
> >                                 @Override
> >                                 public void onError(Request request, 
> > Throwable exception) {
> >                                         // error on the resquest
> >                                 }
> >                         });
>
> > public class JsonHelper {
>
> >         public static String jsoToString(JavaScriptObject jso) {
> >                 if (isJsonLibraryDefined()) {
> >                         return _jsoToString(jso);
> >                 } else {
> >                         return new JSONObject(jso).toString();
> >                 }
> >         }
>
> >         public static JavaScriptObject stringToJso(String value) {
> >                 if (isJsonLibraryDefined()) {
> >                         return _stringToJso(value);
> >                 } else {
> >                         return _stringToJsoEval(value);
> >                 }
> >         }
>
> >         public static native String _jsoToString(JavaScriptObject jso) /*-{
> >                 return JSON.stringify(jso);
> >         }-*/;
>
> >         public static native JavaScriptObject _stringToJso(String string) 
> > /*-
> > {
> >                 return JSON.parse(string);
> >         }-*/;
>
> >         public static native JavaScriptObject _stringToJsoEval(String
> > string) /*-{
> >                 return eval("(" + string + ")");
> >         }-*/;
>
> >         public static native boolean isJsonLibraryDefined() /*-{
> >                 return typeof(JSON) != 'undefined'
> >                         && typeof(JSON.parse) != 'undefined'
> >                         && typeof(JSON.stringify) != 'undefined';
> >         }-*/;
>
> > }
>
> > The JsonHelper class handle the conversion to and from JSON.
>
> > If possible use the json.org javascript library that implements the
> > functions JSON.parse / JSON.stringify
>
> > I am currently writing a project that encapsulates that library and
> > make it more easier to use than this JsonHelper class.
>
> > When i release it in google-code I let you know.
>
> > Hope it helps.
>
> > On 5 jul, 09:01, Ahmed Shoeib  wrote:
>
> > > Dear Friends ,
>
> > > i face a problem when trying to send and receive json object between
> > > client and server in GWT application
>
> > > so i want a simple example that show me how to do this
>
> > > Thanks,
> > > ahmed shoeib

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Re: JSON Problem

2010-07-05 Thread Ahmed Shoeib

i want a simple example to describe it
cause i need it as soon as possible



On Jul 5, 6:18 pm, André Moraes  wrote:
>                         re = rb.sendRequest("jsonrpc-call=" + 
> JsonHelper.jsoToString(call),
> new RequestCallback() {
>
>                                 @Override
>                                 public void onResponseReceived(Request 
> request, Response response)
> {
>                                         if (response.getStatusCode() == 200 
> || response.getStatusCode()
> == 304)
>                                         {
>                                                 JavaScriptObject responseData 
> =
> JsonHelper.stringToJso(response.getText()).cast());
>             // use the response
>                                         }
>                                         else
>                                         {
>             // invalid response
>                                         }
>                                 }
>
>                                 @Override
>                                 public void onError(Request request, 
> Throwable exception) {
>                                         // error on the resquest
>                                 }
>                         });
>
> public class JsonHelper {
>
>         public static String jsoToString(JavaScriptObject jso) {
>                 if (isJsonLibraryDefined()) {
>                         return _jsoToString(jso);
>                 } else {
>                         return new JSONObject(jso).toString();
>                 }
>         }
>
>         public static JavaScriptObject stringToJso(String value) {
>                 if (isJsonLibraryDefined()) {
>                         return _stringToJso(value);
>                 } else {
>                         return _stringToJsoEval(value);
>                 }
>         }
>
>         public static native String _jsoToString(JavaScriptObject jso) /*-{
>                 return JSON.stringify(jso);
>         }-*/;
>
>         public static native JavaScriptObject _stringToJso(String string) /*-
> {
>                 return JSON.parse(string);
>         }-*/;
>
>         public static native JavaScriptObject _stringToJsoEval(String
> string) /*-{
>                 return eval("(" + string + ")");
>         }-*/;
>
>         public static native boolean isJsonLibraryDefined() /*-{
>                 return typeof(JSON) != 'undefined'
>                         && typeof(JSON.parse) != 'undefined'
>                         && typeof(JSON.stringify) != 'undefined';
>         }-*/;
>
> }
>
> The JsonHelper class handle the conversion to and from JSON.
>
> If possible use the json.org javascript library that implements the
> functions JSON.parse / JSON.stringify
>
> I am currently writing a project that encapsulates that library and
> make it more easier to use than this JsonHelper class.
>
> When i release it in google-code I let you know.
>
> Hope it helps.
>
> On 5 jul, 09:01, Ahmed Shoeib  wrote:
>
> > Dear Friends ,
>
> > i face a problem when trying to send and receive json object between
> > client and server in GWT application
>
> > so i want a simple example that show me how to do this
>
> > Thanks,
> > ahmed shoeib

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Re: JSON Problem

2010-07-05 Thread André Moraes

re = rb.sendRequest("jsonrpc-call=" + 
JsonHelper.jsoToString(call),
new RequestCallback() {

@Override
public void onResponseReceived(Request request, 
Response response)
{
if (response.getStatusCode() == 200 || 
response.getStatusCode()
== 304)
{
JavaScriptObject responseData =
JsonHelper.stringToJso(response.getText()).cast());
// use the response
}
else
{
// invalid response
}
}

@Override
public void onError(Request request, Throwable 
exception) {
// error on the resquest
}
});


public class JsonHelper {

public static String jsoToString(JavaScriptObject jso) {
if (isJsonLibraryDefined()) {
return _jsoToString(jso);
} else {
return new JSONObject(jso).toString();
}
}

public static JavaScriptObject stringToJso(String value) {
if (isJsonLibraryDefined()) {
return _stringToJso(value);
} else {
return _stringToJsoEval(value);
}
}

public static native String _jsoToString(JavaScriptObject jso) /*-{
return JSON.stringify(jso);
}-*/;

public static native JavaScriptObject _stringToJso(String string) /*-
{
return JSON.parse(string);
}-*/;

public static native JavaScriptObject _stringToJsoEval(String
string) /*-{
return eval("(" + string + ")");
}-*/;

public static native boolean isJsonLibraryDefined() /*-{
return typeof(JSON) != 'undefined'
&& typeof(JSON.parse) != 'undefined'
&& typeof(JSON.stringify) != 'undefined';
}-*/;
}


The JsonHelper class handle the conversion to and from JSON.

If possible use the json.org javascript library that implements the
functions JSON.parse / JSON.stringify

I am currently writing a project that encapsulates that library and
make it more easier to use than this JsonHelper class.

When i release it in google-code I let you know.

Hope it helps.

On 5 jul, 09:01, Ahmed Shoeib  wrote:
> Dear Friends ,
>
> i face a problem when trying to send and receive json object between
> client and server in GWT application
>
> so i want a simple example that show me how to do this
>
> Thanks,
> ahmed shoeib

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JSON Problem

2010-07-05 Thread Ahmed Shoeib

Dear Friends ,

i face a problem when trying to send and receive json object between
client and server in GWT application

so i want a simple example that show me how to do this

Thanks,
ahmed shoeib

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