/**
* Copyright (c) 2000-2005 Liferay, LLC. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.liferay.portal.servlet;
import com.dotmarketing.util.Logger;
import com.liferay.portal.util.LuceneIndexer;
import com.liferay.portal.util.LuceneUtil;
import com.liferay.portal.util.PropsUtil;
import com.liferay.util.FileUtil;
import com.liferay.util.GetterUtil;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.dotcms.repackage.org.apache.lucene.analysis.core.WhitespaceAnalyzer;
import com.dotcms.repackage.org.apache.lucene.index.IndexWriter;
import com.dotcms.repackage.org.apache.lucene.index.IndexWriterConfig;
import com.dotcms.repackage.org.apache.lucene.store.Directory;
import com.dotcms.repackage.org.apache.lucene.store.FSDirectory;
import com.dotcms.repackage.org.apache.lucene.util.Version;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import java.io.File;
import java.io.IOException;
/**
* <a href="LuceneServlet.java.html"><b><i>View Source</i></b></a>
*
* @author Brian Wing Shun Chan
* @author Jorge Ferrer
* @version $Revision: 1.4 $
*
*/
public class LuceneServlet extends HttpServlet {
public void init(ServletConfig sc) throws ServletException {
synchronized (LuceneServlet.class) {
super.init(sc);
ServletContext ctx = getServletContext();
_companyId = ctx.getInitParameter("company_id");
if (GetterUtil.getBoolean(
PropsUtil.get(PropsUtil.INDEX_ON_STARTUP))) {
_indexer = new LuceneIndexer(_companyId);
if (GetterUtil.getBoolean(
PropsUtil.get(PropsUtil.INDEX_WITH_THREAD))) {
_indexerThread = new Thread(
_indexer, THREAD_NAME + "." + _companyId);
_indexerThread.setPriority(THREAD_PRIORITY);
_indexerThread.start();
}
else {
_indexer.reIndex();
}
}
else {
String luceneDir = LuceneUtil.getLuceneDir(_companyId);
FileUtil.mkdirs(luceneDir);
IndexWriter writer = null;
try {
Directory directory = FSDirectory.open( new File( luceneDir ) );
IndexWriterConfig config = new IndexWriterConfig( Version.LUCENE_CURRENT, new WhitespaceAnalyzer( Version.LUCENE_CURRENT ) );
/*
IndexWriterConfig.OpenMode.CREATE_OR_APPEND if used IndexWriter will create a new index if there is not
already an index at the provided path and otherwise open the existing index.
*/
config.setOpenMode( IndexWriterConfig.OpenMode.CREATE_OR_APPEND );
writer = new IndexWriter( directory, config );
} catch ( IOException e ) {
Logger.error( this, e.getMessage(), e );
}
}
}
}
public void destroy() {
// Wait for indexer to be gracefully interrupted
if ((_indexer != null) && (!_indexer.isFinished()) &&
(_indexerThread != null)) {
_log.warn("Waiting for Lucene indexer to shutdown");
_indexer.halt();
try {
_indexerThread.join(THREAD_TIMEOUT);
}
catch (InterruptedException e) {
_log.error("Lucene indexer shutdown interrupted", e);
Logger.error(this,e.getMessage(),e);
}
}
// Parent
super.destroy();
}
private static final Log _log = LogFactory.getLog(LuceneServlet.class);
private static final String THREAD_NAME = LuceneIndexer.class.getName();
private static final int THREAD_PRIORITY = Thread.MIN_PRIORITY;
private static final int THREAD_TIMEOUT = 60000;
private String _companyId;
private LuceneIndexer _indexer;
private Thread _indexerThread;
}