integrartion de gwt-sl

Citation:

Envoyé par M€lK!oR

Une fois que ton service RPC est déclaré dans ta classe tu peux en appeler les méthodes.

De quel service parle tu ? Service RPC ? service classique ? Utilise tu Spring ?

Je te conseille de suivre aussi ce tutoriel qui t'en apprendras beaucoup :

http://hugo.developpez.com/tutoriels...-et-hibernate/

j'ai largement essayé mais sans resultat:
vioci mon fichier web.xml:

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
    "http://java.sun.com/dtd/web-app_2_3.dtd">
 
<web-app>
 
  <!-- Servlets -->
 <servlet>
		<servlet-name>handler</servlet-name>
		<servlet-class>
			org.springframework.web.servlet.DispatcherServlet  <!--  This is a Spring configuration-->
		</servlet-class>
		<load-on-startup>1</load-on-startup>
	</servlet>
 
	<servlet-mapping>
		<servlet-name>handler</servlet-name>
		<url-pattern>/handler/*</url-pattern>
	</servlet-mapping>
 
  
  <!-- Default page to serve -->
  <welcome-file-list>
    <welcome-file>GwtDeply.html</welcome-file>
  </welcome-file-list>
 
</web-app>

mon fichier handler-servlet.xml est:

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
	<bean class="org.gwtwidgets.server.spring.GWTHandler">
		<property name="mappings">
			<map>
				<entry key="/rpctest" value-ref="RPCTest" />
			</map>
		</property>
	</bean>
 
	<bean id="RPCTest" class="gwt.deploy.test.server.ServiceAddImpl" />
</beans>

l'interface synchrone du service est:

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package gwt.deploy.test.client;
 
import com.google.gwt.user.client.rpc.RemoteService;
import com.google.gwt.user.client.rpc.RemoteServiceRelativePath;
@RemoteServiceRelativePath("rpctest")
public interface ServiceAdd extends RemoteService {
	public int add(int a,int b);
 
}

mon module est:

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public class GwtDeply implements EntryPoint {
	/**
         * The message displayed to the user when the server cannot be reached or
         * returns an error.
         */
	private static final String SERVER_ERROR = "An error occurred while "
			+ "attempting to contact the server. Please check your network "
			+ "connection and try again.";
 
	/**
         * Create a remote service proxy to talk to the server-side Greeting service.
         */
	private final ServiceAddAsync greetingService = GWT
			.create(ServiceAdd.class);
 
	/**
         * This is the entry point method.
         */
	public void onModuleLoad() {
		System.out.println("LOAD MODULE..");
		final Button sendButton = new Button("Send");
		final TextBox nameField = new TextBox();
		nameField.setText("GWT User");
 
		// We can add style names to widgets
		sendButton.addStyleName("sendButton");
 
		// Add the nameField and sendButton to the RootPanel
		// Use RootPanel.get() to get the entire body element
		RootPanel.get("nameFieldContainer").add(nameField);
		RootPanel.get("sendButtonContainer").add(sendButton);
 
		// Focus the cursor on the name field when the app loads
		nameField.setFocus(true);
		nameField.selectAll();
 
		// Create the popup dialog box
		final DialogBox dialogBox = new DialogBox();
		dialogBox.setText("Remote Procedure Call");
		dialogBox.setAnimationEnabled(true);
		final Button closeButton = new Button("Close");
		// We can set the id of a widget by accessing its Element
		closeButton.getElement().setId("closeButton");
		final Label textToServerLabel = new Label();
		final HTML serverResponseLabel = new HTML();
		VerticalPanel dialogVPanel = new VerticalPanel();
		dialogVPanel.addStyleName("dialogVPanel");
		dialogVPanel.add(new HTML("<b>Sending name to the server:</b>"));
		dialogVPanel.add(textToServerLabel);
		dialogVPanel.add(new HTML("<br><b>Server replies:</b>"));
		dialogVPanel.add(serverResponseLabel);
		dialogVPanel.setHorizontalAlignment(VerticalPanel.ALIGN_RIGHT);
		dialogVPanel.add(closeButton);
		dialogBox.setWidget(dialogVPanel);
 
		// Add a handler to close the DialogBox
		closeButton.addClickHandler(new ClickHandler() {
			public void onClick(ClickEvent event) {
				dialogBox.hide();
				sendButton.setEnabled(true);
				sendButton.setFocus(true);
			}
		});
 
		// Create a handler for the sendButton and nameField
		class MyHandler implements ClickHandler, KeyUpHandler {
			/**
                         * Fired when the user clicks on the sendButton.
                         */
			public void onClick(ClickEvent event) {
				System.out.println("LOAD MODULE:onClick..");
				sendNameToServer();
			}
 
			/**
                         * Fired when the user types in the nameField.
                         */
			public void onKeyUp(KeyUpEvent event) {
				if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
					sendNameToServer();
				}
			}
 
			/**
                         * Send the name from the nameField to the server and wait for a response.
                         */
			private void sendNameToServer() {
				sendButton.setEnabled(false);
				String textToServer = nameField.getText();
				textToServerLabel.setText(textToServer);
				serverResponseLabel.setText("");
 
				System.out.println("jjjjjjjjjjjjjjjj");
				greetingService.add(Integer.parseInt(textToServer),Integer.parseInt(textToServer),
						new AsyncCallback<Integer>() {
							public void onFailure(Throwable caught) {
 
								System.err.println("ERRRRRRR:"+caught.getLocalizedMessage());
								caught.printStackTrace();
								// Show the RPC error message to the user
								dialogBox
										.setText("Remote Procedure Call - Failure");
								serverResponseLabel
										.addStyleName("serverResponseLabelError");
								serverResponseLabel.setHTML(caught.getLocalizedMessage());
								dialogBox.center();
								closeButton.setFocus(true);
							}
 
							public void onSuccess(Integer result) {
								System.out.println("LOAD MODULE:onSuccess..");
								dialogBox.setText("Remote Procedure Call");
								serverResponseLabel
										.removeStyleName("serverResponseLabelError");
								serverResponseLabel.setHTML(result.toString());
								dialogBox.center();
								closeButton.setFocus(true);
							}
						});
			}
		}
 
		// Add a handler to send the name to the server
		MyHandler handler = new MyHandler();
		sendButton.addClickHandler(handler);
		nameField.addKeyUpHandler(handler);
	}
}

en mode developpement, j'obtient ce message:

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[WARN] 404 - POST /gwtdeply/rpctest (127.0.0.1) 1402 bytes
   Request headers
      Host: localhost:8888
      User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8
      Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
      Accept-Language: fr,fr-fr;q=0.8,en-us;q=0.5,en;q=0.3
      Accept-Encoding: gzip,deflate
      Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
      Keep-Alive: 300
      Connection: keep-alive
      Referer: http://localhost:8888/gwtdeply/hosted.html?gwtdeply
      X-GWT-Permutation: HostedMode
      X-GWT-Module-Base: http://localhost:8888/gwtdeply/
      Content-Type: text/x-gwt-rpc; charset=utf-8
      Content-Length: 131
      Pragma: no-cache
      Cache-Control: no-cache
   Response headers
      Content-Type: text/html; charset=iso-8859-1
      Content-Length: 1402
ERRRRRRR:<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"/>
<title>Error 404 NOT_FOUND</title>
</head>
<body><h2>HTTP ERROR: 404</h2><pre>NOT_FOUND</pre>
<p>RequestURI=/gwtdeply/rpctest</p><p><i><small><a href="http://jetty.mortbay.org/">Powered by Jetty://</a></small></i></p><br/>                                                
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</body>
</html>
 
com.google.gwt.user.client.rpc.StatusCodeException: <html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"/>
<title>Error 404 NOT_FOUND</title>
</head>
<body><h2>HTTP ERROR: 404</h2><pre>NOT_FOUND</pre>
<p>RequestURI=/gwtdeply/rpctest</p><p><i><small><a href="http://jetty.mortbay.org/">Powered by Jetty://</a></small></i></p><br/>                                                
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</body>
</html>
 
	at com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceived(RequestCallbackAdapter.java:192)
	at com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java:287)
	at com.google.gwt.http.client.RequestBuilder$1.onReadyStateChange(RequestBuilder.java:396)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
	at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
	at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:157)
	at com.google.gwt.dev.shell.BrowserChannel.reactToMessagesWhileWaitingForReturn(BrowserChannel.java:1713)
	at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:165)
	at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:120)
	at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:507)
	at com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:264)
	at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:91)
	at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
	at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:188)
	at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
	at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
	at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:157)
	at com.google.gwt.dev.shell.BrowserChannel.reactToMessages(BrowserChannel.java:1668)
	at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:401)
	at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:222)
	at java.lang.Thread.run(Thread.java:595)

et en mode web j'obtient :

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Etat HTTP 404 - /war/gwtdeply/rpctest
 
type Rapport d'état
 
message /war/gwtdeply/rpctest
 
description La ressource demandée (/war/gwtdeply/rpctest) n'est pas disponible.