/* Copyright (c) 2006 Google Inc.
*
* 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 sample.gbase.basic;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
/**
* Dumps to the console the response of a Google Base data API query.
*/
public class QueryExample1 {
/**
* Url of the Google Base data API snippet feed.
*/
private static final String SNIPPETS_FEED = "http://base.google.com/base/feeds/snippets";
/**
* The query that is sent over to the Google Base data API server.
*/
private static final String QUERY = "cars [item type : products]";
/**
* Connect to <code>SNIPPETS_FEED</code> and display the response.
* @throws IOException if an error occured while connecting or reading from
* the feed
*/
public void displayItems() throws IOException {
URL url = new URL(SNIPPETS_FEED + "?bq=" +
URLEncoder.encode(QUERY, "UTF-8"));
HttpURLConnection httpConnection = (HttpURLConnection)url.openConnection();
InputStream inputStream = httpConnection.getInputStream();
int ch;
while ((ch=inputStream.read()) > 0) {
System.out.print((char)ch);
}
}
/**
* The main method simply creates a <code>QueryExample2</code> instance and
* calls <code>displayItems</code>.
*/
public static void main(String[] args) throws IOException {
new QueryExample1().displayItems();
}
}