TwitterQuery.java

/**
 * 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.aries.sample.twitter;
import java.util.List;

import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;

import twitter4j.Query;
import twitter4j.QueryResult;
import twitter4j.Tweet;
import twitter4j.Twitter;
import org.apache.commons.lang.StringEscapeUtils;

public class TwitterQuery implements BundleActivator {

	/*
	 * (non-Javadoc)
	 * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
	 */
	public void start(BundleContext context) throws Exception {
		Twitter twitter = new Twitter();
		Query query = new Query("from:theasf");
		
		try {
			QueryResult result = twitter.search(query);
		    List<Tweet> tweets = result.getTweets(); 
		    System.out.println("hits:" + tweets.size());
		    for (Tweet tweet : tweets) {
		        System.out.println(tweet.getFromUser() + ":" + StringEscapeUtils.unescapeXml(tweet.getText()));
		    }
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/*
	 * (non-Javadoc)
	 * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
	 */
	public void stop(BundleContext context) throws Exception {
	}

}