/* 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 org.restlet.client.resource.Result;
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.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 RestPage extends Page {
private static RestPageUiBinder uiBinder = GWT.create(RestPageUiBinder.class);
@UiField HTML text;
interface RestPageUiBinder extends UiBinder<Widget, RestPage> {
}
public RestPage() {
initWidget(uiBinder.createAndBindUi(this));
}
@UiHandler("list")
void onListSelectionChanged(SelectionChangedEvent e) {
switch (e.getSelection()) {
case 0:
makeRestCall();
break;
}
}
private void makeRestCall() {
String url = "http://gwtmobile-services.appspot.com/rest/World?" +
(int)(Math.random() * 10000); //IO exception if caching.
RestServiceProxy restResource = GWT.create(RestServiceProxy.class);
//restResource.getClientResource().get(MediaType.APPLICATION_JSON);
restResource.getClientResource().setReference(url);
restResource.represent(new Result<Greeting>() {
@Override
public void onFailure(Throwable throwable) {
text.setHTML("Error: " + throwable);
}
@Override
public void onSuccess(Greeting greeting) {
text.setHTML(greeting.getFrom() + ": " + greeting.getMessage());
}
});
}
}