Re: Truncated JSON problem using RequestBuilder with WCF rest service
Anyone
On Jan 20, 3:43 pm, shahid shahidza...@gmail.com 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
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
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,
MethodCallbackCommentResponse 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 MethodCallbackCommentResponse() {
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 ahmedelsayed.sho...@gmail.com 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
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 jimbob...@hotmail.com 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 andr...@gmail.com 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/
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
ahmedelsayed.sho...@gmail.comwrote:
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 andr...@gmail.com 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 ahmedelsayed.sho...@gmail.com 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 andr...@gmail.com 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 ahmedelsayed.sho...@gmail.com 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 andr...@gmail.com wrote:
re = rb.sendRequest(jsonrpc-call= +
JsonHelper.jsoToString(call),
new RequestCallback() {
Re: JSON Problem
On 7 juil, 20:47, Ahmed Shoeib ahmedelsayed.sho...@gmail.com 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
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 t.bro...@gmail.com wrote:
On 7 juil, 20:47, Ahmed Shoeib ahmedelsayed.sho...@gmail.com 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.
--
You received this message because you are subscribed to the Google Groups
Google Web Toolkit group.
To post to this group, send email to google-web-tool...@googlegroups.com.
To unsubscribe from this group, send email to
google-web-toolkit+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/google-web-toolkit?hl=en.
Re: JSON Problem
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/
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
ahmedelsayed.sho...@gmail.comwrote:
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 andr...@gmail.com 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 ahmedelsayed.sho...@gmail.com 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 andr...@gmail.com 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 ahmedelsayed.sho...@gmail.com 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 andr...@gmail.com 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
Re: JSON Problem
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 andr...@gmail.com 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/
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
ahmedelsayed.sho...@gmail.comwrote:
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 andr...@gmail.com 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 ahmedelsayed.sho...@gmail.com 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 andr...@gmail.com 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 ahmedelsayed.sho...@gmail.com 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 andr...@gmail.com 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
}
JSON Problem
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 -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: JSON Problem
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 ahmedelsayed.sho...@gmail.com 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
--
You received this message because you are subscribed to the Google Groups
Google Web Toolkit group.
To post to this group, send email to google-web-tool...@googlegroups.com.
To unsubscribe from this group, send email to
google-web-toolkit+unsubscr...@googlegroups.com.
For more options, visit this group at
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Re: JSON Problem
i want a simple example to describe it
cause i need it as soon as possible
On Jul 5, 6:18 pm, André Moraes andr...@gmail.com 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 ahmedelsayed.sho...@gmail.com 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
--
You received this message because you are subscribed to the Google Groups
Google Web Toolkit group.
To post to this group, send email to google-web-tool...@googlegroups.com.
To unsubscribe from this group, send email to
google-web-toolkit+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/google-web-toolkit?hl=en.
Re: JSON Problem
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 ahmedelsayed.sho...@gmail.com 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 andr...@gmail.com 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 ahmedelsayed.sho...@gmail.com 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
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 andr...@gmail.com 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 ahmedelsayed.sho...@gmail.com 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 andr...@gmail.com 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 ahmedelsayed.sho...@gmail.com 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
--
You received this message because you are subscribed to the Google Groups
Google Web Toolkit group.
To post to this group, send email to google-web-tool...@googlegroups.com.
To unsubscribe from this group, send email to
google-web-toolkit+unsubscr...@googlegroups.com.
For more options, visit this group at
Re: JSON Problem
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 ahmedelsayed.sho...@gmail.com 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 andr...@gmail.com 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 ahmedelsayed.sho...@gmail.com 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 andr...@gmail.com 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
Re: JSON Problem
Thanks a lot My Friends
it is easy way
thanks for your support
On Jul 5, 9:33 pm, André Moraes andr...@gmail.com 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 ahmedelsayed.sho...@gmail.com 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 andr...@gmail.com 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 ahmedelsayed.sho...@gmail.com 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 andr...@gmail.com 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);
}-*/;
