/*
* eXist Open Source Native XML Database
* Copyright (C) 2009 The eXist Project
* http://exist-db.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* $Id: EmbeddedDownloadThread.java 223 2007-04-21 22:13:05Z dizzzz $
*/
package org.exist.protocolhandler.embedded;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.log4j.Logger;
import org.exist.protocolhandler.xmldb.XmldbURL;
import org.exist.security.Subject;
import org.exist.storage.BrokerPool;
/**
* Wrap EmbeddedDownload class into a thread for EmbeddedInputStream.
*
* @author Dannes Wessels
*/
public class EmbeddedDownloadThread extends Thread {
private final static Logger logger = Logger.getLogger(EmbeddedDownloadThread.class);
private XmldbURL xmldbURL;
private OutputStream bos;
private Subject subject = null;
private BrokerPool brokerPool;
/**
* Constructor of EmbeddedDownloadThread.
*
* @param url Document location in database.
* @param bos Stream to which the document is written.
*/
public EmbeddedDownloadThread(XmldbURL url, OutputStream bos) {
xmldbURL = url;
this.bos = bos;
try {
BrokerPool pool = BrokerPool.getInstance(url.getInstanceName());
subject = pool.getSubject();
} catch (Throwable e) {
//e.printStackTrace();
}
}
/**
* Constructor of EmbeddedDownloadThread.
*
* @param url Document location in database.
* @param bos Stream to which the document is written.
*/
public EmbeddedDownloadThread(BrokerPool brokerPool, XmldbURL url, OutputStream bos) {
xmldbURL = url;
this.bos = bos;
this.brokerPool=brokerPool;
try {
if (brokerPool == null)
brokerPool = BrokerPool.getInstance(url.getInstanceName());
subject = brokerPool.getSubject();
} catch (Throwable e) {
//e.printStackTrace();
}
}
/**
* Write resource to the output stream.
*/
public void run() {
logger.debug("Thread started." );
IOException exception=null;
try {
final EmbeddedDownload ed = new EmbeddedDownload();
ed.setBrokerPool(brokerPool);
ed.stream(xmldbURL, bos, subject);
} catch (IOException ex) {
logger.error(ex);
exception = ex;
} finally {
try { // NEEDED!
bos.close();
} catch (final IOException ex) {
logger.debug(ex);
}
logger.debug("Thread stopped." );
}
}
}