Tilman
64 lines
4.0 KiB
Java
64 lines
4.0 KiB
Java
/* Copyright (c) 2006 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package sample.gbase.basic;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.net.URLEncoder;
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/**
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* Dumps to the console the response of a Google Base data API query.
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*/
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public class QueryExample1 {
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/**
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* Url of the Google Base data API snippet feed.
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*/
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private static final String SNIPPETS_FEED = "http://base.google.com/base/feeds/snippets";
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/**
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* The query that is sent over to the Google Base data API server.
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*/
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private static final String QUERY = "cars [item type : products]";
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/**
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* Connect to <code>SNIPPETS_FEED</code> and display the response.
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* @throws IOException if an error occured while connecting or reading from
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* the feed
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*/
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public void displayItems() throws IOException {
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URL url = new URL(SNIPPETS_FEED + "?bq=" +
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URLEncoder.encode(QUERY, "UTF-8"));
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HttpURLConnection httpConnection = (HttpURLConnection)url.openConnection();
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InputStream inputStream = httpConnection.getInputStream();
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int ch;
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while ((ch=inputStream.read()) > 0) {
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System.out.print((char)ch);
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}
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}
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/**
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* The main method simply creates a <code>QueryExample2</code> instance and
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* calls <code>displayItems</code>.
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*/
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public static void main(String[] args) throws IOException {
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new QueryExample1().displayItems();
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}
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}
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