/**
* 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.IndexReader;
import org.apache.lucene.store.Directory;
import com.browseengine.bobo.api.BoboIndexReader;
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(BoboIndexReader bReader){
return new DefaultBrowseServiceImpl(bReader);
}
public static BoboIndexReader getBoboIndexReader(Directory idxDir) throws BrowseException{
try{
if (!BoboIndexReader.indexExists(idxDir)){
throw new BrowseException("Index does not exist at: "+idxDir);
}
}
catch(IOException ioe){
throw new BrowseException(ioe.getMessage(),ioe);
}
IndexReader reader=null;
try{
reader=IndexReader.open(idxDir,true);
}
catch(IOException ioe){
throw new BrowseException(ioe.getMessage(),ioe);
}
BoboIndexReader bReader=null;
try{
bReader=BoboIndexReader.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{
BoboIndexReader bReader=getBoboIndexReader(idxDir);
DefaultBrowseServiceImpl bs=(DefaultBrowseServiceImpl)createBrowseService(bReader);
bs.setCloseReaderOnCleanup(true);
return bs;
}
}