/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you 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 org.apache.pivot.demos.rss;
import java.awt.Desktop;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URISyntaxException;
import java.net.URL;
import org.apache.pivot.beans.Bindable;
import org.apache.pivot.collections.Map;
import org.apache.pivot.util.Resources;
import org.apache.pivot.util.concurrent.Task;
import org.apache.pivot.util.concurrent.TaskListener;
import org.apache.pivot.web.GetQuery;
import org.apache.pivot.wtk.CardPane;
import org.apache.pivot.wtk.Component;
import org.apache.pivot.wtk.ComponentMouseButtonListener;
import org.apache.pivot.wtk.Label;
import org.apache.pivot.wtk.ListView;
import org.apache.pivot.wtk.Mouse;
import org.apache.pivot.wtk.TaskAdapter;
import org.apache.pivot.wtk.Window;
import org.apache.pivot.xml.Element;
import org.apache.pivot.xml.XML;
import org.apache.pivot.xml.XMLSerializer;
public class RSSFeedDemo extends Window implements Bindable {
private ListView feedListView = null;
private CardPane cardPane = null;
private Label statusLabel = null;
@Override
public void initialize(Map<String, Object> namespace, URL location, Resources resources) {
feedListView = (ListView)namespace.get("feedListView");
cardPane = (CardPane)namespace.get("cardPane");
statusLabel = (Label)namespace.get("statusLabel");
feedListView.getComponentMouseButtonListeners().add(new ComponentMouseButtonListener.Adapter() {
private int index = -1;
@Override
public boolean mouseClick(Component component, Mouse.Button button, int x, int y, int count) {
if (count == 1) {
index = feedListView.getItemAt(y);
} else if (count == 2
&& feedListView.getItemAt(y) == index) {
Element itemElement = (Element)feedListView.getListData().get(index);
String link = XML.getText(itemElement, "link");
Desktop desktop = Desktop.getDesktop();
try {
desktop.browse(new URL(link).toURI());
} catch(MalformedURLException exception) {
throw new RuntimeException(exception);
} catch(URISyntaxException exception) {
throw new RuntimeException(exception);
} catch(IOException exception) {
System.out.println("Unable to open " + link + " in default browser.");
}
}
return false;
}
});
GetQuery getQuery = new GetQuery("feeds.dzone.com", "/javalobby/frontpage");
getQuery.setSerializer(new XMLSerializer());
getQuery.getParameters().put("format", "xml");
getQuery.execute(new TaskAdapter<Object>(new TaskListener<Object>() {
@Override
public void taskExecuted(Task<Object> task) {
Element root = (Element)task.getResult();
feedListView.setListData(XML.getElements(root, "channel", "item"));
cardPane.setSelectedIndex(1);
}
@Override
public void executeFailed(Task<Object> task) {
statusLabel.setText(task.getFault().toString());
}
}));
}
}