/*
* JBoss, Home of Professional Open Source
* Copyright 2013 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.lucene.impl;
import org.infinispan.lucene.logging.Log;
import org.infinispan.util.logging.LogFactory;
/**
* Since Lucene requires extension of Directory (it's not an interface)
* we need to apply some tricks to provide the correct Directory implementation
* depending on the Lucene version detected on the classpath.
*
* @since 5.2
* @author Sanne Grinovero
*/
public class LuceneVersionDetector {
public static final int VERSION = detectVersion();
private static int detectVersion() {
Log log = LogFactory.getLog(LuceneVersionDetector.class, Log.class);
int version = 3;
try {
Class.forName("org.apache.lucene.store.IOContext", true, LuceneVersionDetector.class.getClassLoader());
version = 4;
} catch (ClassNotFoundException e) {
}
log.detectedLuceneVersion(version);
return version;
}
}