/* Copyright (c) 2011 Zhihua (Dennis) Jiang
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.gwtmobile.ui.kitchensink.client.communication;
import com.google.gwt.core.client.GWT;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.rpc.ServiceDefTarget;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Widget;
import com.gwtmobile.ui.client.event.SelectionChangedEvent;
import com.gwtmobile.ui.client.page.Page;
public class RpcPage extends Page {
private static RpcPageUiBinder uiBinder = GWT.create(RpcPageUiBinder.class);
@UiField HTML text;
interface RpcPageUiBinder extends UiBinder<Widget, RpcPage> {
}
public RpcPage() {
initWidget(uiBinder.createAndBindUi(this));
}
@UiHandler("list")
void onListSelectionChanged(SelectionChangedEvent e) {
switch (e.getSelection()) {
case 0:
makeRpcCall();
break;
}
}
private void makeRpcCall() {
final RpcServiceAsync greetingService = GWT
.create(RpcService.class);
//The code below sets service entry point to a server url.
ServiceDefTarget service = (ServiceDefTarget) greetingService;
String address = "http://gwtmobile-services.appspot.com/rpc";
service.setServiceEntryPoint(address);
greetingService.greetServer("GWT Mobile UI", new AsyncCallback<String>() {
@Override
public void onSuccess(String result) {
text.setHTML(result);
}
@Override
public void onFailure(Throwable caught) {
text.setHTML(caught.getMessage());
}
});
}
}