/*
* 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.tutorials.webqueries;
import org.apache.pivot.beans.BXMLSerializer;
import org.apache.pivot.collections.List;
import org.apache.pivot.collections.Map;
import org.apache.pivot.json.JSON;
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.Application;
import org.apache.pivot.wtk.DesktopApplicationContext;
import org.apache.pivot.wtk.Display;
import org.apache.pivot.wtk.Label;
import org.apache.pivot.wtk.ListView;
import org.apache.pivot.wtk.TaskAdapter;
import org.apache.pivot.wtk.Window;
/**
* Web query tutorial application.
*/
public class WebQueries implements Application {
private Window window = null;
private ListView listView = null;
private Label loadingLabel = null;
@Override
public void startup(Display display, Map<String, String> properties) throws Exception {
BXMLSerializer bxmlSerializer = new BXMLSerializer();
window = (Window)bxmlSerializer.readObject(WebQueries.class, "web_queries.bxml");
listView = (ListView)bxmlSerializer.getNamespace().get("listView");
loadingLabel = (Label)bxmlSerializer.getNamespace().get("loadingLabel");
// Execute the query:
// http://pipes.yahoo.com/pipes/pipe.run?_id=43115761f2da5af5341ae2e56a93d646&_render=json
GetQuery getQuery = new GetQuery("pipes.yahoo.com", "/pipes/pipe.run");
getQuery.getParameters().put("_id", "43115761f2da5af5341ae2e56a93d646");
getQuery.getParameters().put("_render", "json");
getQuery.execute(new TaskAdapter<Object>(new TaskListener<Object>() {
@Override
public void taskExecuted(Task<Object> task) {
List<?> items = (List<?>)JSON.get(task.getResult(), "value.items");
if (items.getLength() > 0) {
listView.setListData(items);
loadingLabel.setVisible(false);
} else {
loadingLabel.setText("No results.");
}
}
@Override
public void executeFailed(Task<Object> task) {
loadingLabel.setText(task.getFault().getMessage());
}
}));
window.open(display);
}
@Override
public boolean shutdown(boolean optional) {
if (window != null) {
window.close();
}
return false;
}
@Override
public void suspend() {
}
@Override
public void resume() {
}
public static void main(String[] args) {
DesktopApplicationContext.main(WebQueries.class, args);
}
}