I have changed the action method of MyService class to the following and it
works. I don't know whether it is the exact way you suggested. For me, it
seems weird to include too much service layer logic in that class which I
thought that belongs to business layer.
Thanks Marc :)
@Path("/myservice")
// Use GET because jQuery.ajax sends OPTIONS instead of POST when using POST
@GET
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public MyResponse action(@Context Providers providers, @Context HttpHeaders
httpHeaders, @QueryParam("myRequest") String myRequestString) {
MessageBodyReader<QueueRequest> msgBodyReader =
providers.getMessageBodyReader(MyRequest.class, null, null,
MediaType.APPLICATION_JSON_TYPE);
InputStream inputStream = new
ByteArrayInputStream(myRequestString.getBytes());
MyRequest myRequest = null;
try {
myRequest = msgBodyReader.readFrom(MyRequest.class, null, null,
MediaType.APPLICATION_JSON_TYPE, httpHeaders.getRequestHeaders(),
inputStream);
} catch (Exception e) {
e.printStackTrace();
}
return new MyResponse(); // currently no logic
}
On Sat, Apr 10, 2010 at 12:48 AM, Marc Hadley <marc.hadley_at_oracle.com>wrote:
> On Apr 9, 2010, at 11:15 AM, Franz Wong wrote:
>
> > Thanks for your reply.
> >
> > Does that mean I need to parse the JSON myself if I create a static
> valueOf method? As a rough guess, I should be able to reuse some code which
> jersey uses to parse JSON for POST. Am I correct?
> >
> You can lookup the default MessageBodyReader using an injected Providers:
>
>
> https://jsr311.dev.java.net/nonav/releases/1.0/javax/ws/rs/ext/Providers.html
>
> You can then use the default reader to deserialize the JSON.
>
> Marc.
>
> >
> > On Fri, Apr 9, 2010 at 8:25 PM, Marc Hadley <marc.hadley_at_oracle.com>
> wrote:
> > @Consumes only applies to the request message body so it isn't applicable
> to GET since that doesn't allow one. Example 1 looks right to me, to extract
> the JSON you would replace the "MyRequest myRequest" parameter in the action
> method with "@QueryParam("myRequest") SomeType myRequest".
> >
> > SomeType can be any type that has a String constructor or a static
> valueOf or fromString method that takes a single String argument. See the
> javadoc for @QueryParam for full details.
> >
> > Marc.
> >
> > On Apr 9, 2010, at 6:11 AM, Franz Wong wrote:
> > >
> > > I would like to write a restful service which use @GET and
> @Consumes(MediaType.APPLICATION_JSON). I can only google example for @POST.
> I don't know whether I need to use @QueryParam for my parameters for GET
> method. If yes, how does the request line of the HTTP request become?
> > >
> > > Thanks.
> > > Franz
> > >
> > > (In real environment, the request line is url encodeded)
> > >
> > > 1. GET
> /myservice?myRequest={"actionList":["action1","action2"],"triggerName":"triggerName1"}
> HTTP/1.1
> > > 2. GET
> /myservice?{"myRequest":{"actionList":["action1","action2"],"triggerName":"triggerName1"}}
> HTTP/1.1
> > >
> > > Here is my code.
> > >
> > > @Singleton
> > > @Path("/")
> > > public class MyService {
> > > @Path("/myservice")
> > > // Use GET because jQuery.ajax sends OPTIONS instead of POST when
> using POST
> > > @GET
> > > @Consumes(MediaType.APPLICATION_JSON)
> > > @Produces(MediaType.APPLICATION_JSON)
> > > public MyResponse action(MyRequest myRequest) {
> > > return new MyResponse(); // currently no logic
> > > }
> > > }
> > >
> > > @XmlRootElement
> > > public class MyRequest {
> > > private List<String> actionList = new ArrayList<String>();
> > > private String triggerName;
> > >
> > > ... getters and setters
> > > }
> > >
> > > @XmlRootElement
> > > public class MyResponse {
> > > private String result;
> > >
> > > ... getters and setters
> > > }
> > >
> > > For reference, here is my client (in javascript) calling the service.
> > >
> > > $.ajax({
> > > type: "GET",
> > > url: "http://localhost:8080/myservice",
> > > dataType: "json",
> > > data: "{" +
> > > "\"myRequest\" : {" +
> > > "\"actionList\" : [\"action1\",\"action2\"]," +
> > > "\"triggerName\" : \"triggerName1\"" +
> > > "}" +
> > > "}",
> > > contentType: "application/json; charset=UTF-8",
> > > success: function(msg){
> > > alert("ok");
> > > },
> > > error: function(xhr, msg) { alert(msg + '\n' + xhr.responseText); }
> > > });
> >
> >
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