/**
* $Id: $
* $Date: $
*
*/
package org.xmlsh.twitter;
import java.io.PrintWriter;
import java.util.List;
import org.xmlsh.core.Options;
import org.xmlsh.core.OutputPort;
import org.xmlsh.core.XValue;
import org.xmlsh.sh.shell.SerializeOpts;
import org.xmlsh.twitter.util.TwitterCommand;
import org.xmlsh.twitter.util.TwitterWriter;
import twitter4j.FilterQuery;
import twitter4j.StallWarning;
import twitter4j.Status;
import twitter4j.StatusDeletionNotice;
import twitter4j.StatusListener;
import twitter4j.TwitterStream;
import twitter4j.TwitterStreamFactory;
import twitter4j.json.DataObjectFactory;
// implemets: https://dev.twitter.com/docs/api/1/get/search
public class stream extends TwitterCommand {
@Override
public int run(List<XValue> args) throws Exception {
Options opts = new Options(sCOMMON_OPTS + ",p=port:,track:,sample,json,sanitize",SerializeOpts.getOptionDefs());
opts.parse(args);
mSerializeOpts = this.getSerializeOpts(opts);
final boolean bJson = opts.hasOpt("json");
final boolean bSanitize = opts.hasOpt("sanitize");
args = opts.getRemainingArgs();
final OutputPort port = mShell.getEnv().getOutputPort(opts.getOptStringRequired("port"), true);
StatusListener listener = new StatusListener( ) {
public void onStatus(Status status) {
try {
if( bJson ) {
String json = DataObjectFactory.getRawJSON(status);
PrintWriter writer = port.asPrintWriter(mSerializeOpts);
writer.println(json);
writer.close();
} else {
TwitterWriter mWriter = new TwitterWriter( port.asXMLStreamWriter(mSerializeOpts),bSanitize);
mWriter.startDocument();
mWriter.startElement(TwitterWriter.kTWITTER_NS,"twitter");
mWriter.writeDefaultNamespace();
mWriter.write("status",status);
mWriter.endElement();
mWriter.endDocument();
mWriter.closeWriter();
port.writeSequenceTerminator(mSerializeOpts);
}
} catch (Exception e) {
onException(e);
}
}
public void onDeletionNotice(StatusDeletionNotice statusDeletionNotice) {
// System.out.println("Got a status deletion notice id:" + statusDeletionNotice.getStatusId());
}
public void onTrackLimitationNotice(int numberOfLimitedStatuses) {
// System.out.println("Got track limitation notice:" + numberOfLimitedStatuses);
}
public void onScrubGeo(long userId, long upToStatusId) {
// System.out.println("Got scrub_geo event userId:" + userId + " upToStatusId:" + upToStatusId);
}
public void onException(Exception ex) {
// ex.printStackTrace();
}
@Override
public void onStallWarning(StallWarning arg0) {
// TODO Auto-generated method stub
}
};
try {
TwitterStream twitterStream = new TwitterStreamFactory().getInstance();
twitterStream.addListener(listener);
// filter() method internally creates a thread which manipulates TwitterStream and calls these adequate listener methods continuously.
// FilterQuery filter = new FilterQuery().track(Util.toStringArray(args));
// twitterStream.filter(filter);
if( opts.hasOpt("sample"))
twitterStream.sample();
else
twitterStream.filter(new FilterQuery().track(opts.getOptStringRequired("track").split(",")));
} finally {
}
return 0;
}
}
//
//
//Copyright (C) 2008-2014 David A. Lee.
//
//The contents of this file are subject to the "Simplified BSD License" (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.opensource.org/licenses/bsd-license.php
//
//Software distributed under the License is distributed on an "AS IS" basis,
//WITHOUT WARRANTY OF ANY KIND, either express or implied.
//See the License for the specific language governing rights and limitations under the License.
//
//The Original Code is: all this file.
//
//The Initial Developer of the Original Code is David A. Lee
//
//Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
//
//Contributor(s): none.
//