/**
* Bobo Browse Engine - High performance faceted/parametric search implementation
* that handles various types of semi-structured data. Written in Java.
*
* Copyright (C) 2005-2006 John Wang
*
* This library 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 library 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* To contact the project administrators for the bobo-browse project,
* please go to https://sourceforge.net/projects/bobo-browse/, or
* send mail to owner@browseengine.com.
*/
package com.browseengine.bobo.service;
import java.io.File;
import java.io.IOException;
import org.apache.log4j.Logger;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.store.Directory;
import com.browseengine.bobo.api.BoboMultiReader;
import com.browseengine.bobo.api.BrowseException;
import com.browseengine.bobo.impl.BrowseServiceImpl;
import com.browseengine.bobo.impl.DefaultBrowseServiceImpl;
public class BrowseServiceFactory {
private static Logger logger = Logger.getLogger(BrowseServiceFactory.class);
public static BrowseService createBrowseService(File idxDir) throws BrowseException {
if (idxDir == null) throw new IllegalArgumentException("Null index dir specified");
return new BrowseServiceImpl(idxDir);
}
public static BrowseService createBrowseService(BoboMultiReader bReader) {
return new DefaultBrowseServiceImpl(bReader);
}
public static BoboMultiReader getBoboIndexReader(Directory idxDir) throws BrowseException {
try {
if (!BoboMultiReader.indexExists(idxDir)) {
throw new BrowseException("Index does not exist at: " + idxDir);
}
} catch (IOException ioe) {
throw new BrowseException(ioe.getMessage(), ioe);
}
DirectoryReader reader = null;
try {
reader = DirectoryReader.open(idxDir);
} catch (IOException ioe) {
throw new BrowseException(ioe.getMessage(), ioe);
}
BoboMultiReader bReader = null;
try {
bReader = BoboMultiReader.getInstance(reader);
} catch (IOException ioe) {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
logger.error(e.getMessage(), e);
}
}
throw new BrowseException(ioe.getMessage(), ioe);
}
return bReader;
}
public static BrowseService createBrowseService(Directory idxDir) throws BrowseException {
BoboMultiReader bReader = getBoboIndexReader(idxDir);
DefaultBrowseServiceImpl bs = (DefaultBrowseServiceImpl) createBrowseService(bReader);
bs.setCloseReaderOnCleanup(true);
return bs;
}
}