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.FSDirectory;
import com.browseengine.bobo.api.BoboBrowser;
import com.browseengine.bobo.api.BoboIndexReader;
import com.browseengine.bobo.api.BrowseException;
import com.browseengine.bobo.api.BrowseRequest;
import com.browseengine.bobo.api.BrowseResult;
public class BoboService{
private static Logger logger = Logger.getLogger(BoboService.class);
private final File _idxDir;
private BoboIndexReader _boboReader;
public BoboService(String path)
{
this(new File(path));
}
public BoboService(File idxDir)
{
_idxDir=idxDir;
_boboReader = null;
}
public BrowseResult browse(BrowseRequest req)
{
BoboBrowser browser=null;
try
{
browser = new BoboBrowser(_boboReader);
return browser.browse(req);
}
catch(Exception e)
{
logger.error(e.getMessage(),e);
return new BrowseResult();
}
finally
{
if (browser!=null)
{
try {
browser.close();
} catch (IOException e) {
logger.error(e.getMessage());
}
}
}
}
public void start() throws IOException
{
IndexReader reader=IndexReader.open(FSDirectory.open(_idxDir),true);
try
{
_boboReader=BoboIndexReader.getInstance(reader);
}
catch(IOException ioe)
{
if (reader!=null)
{
reader.close();
}
}
}
public void shutdown()
{
if (_boboReader!=null)
{
try {
_boboReader.close();
} catch (IOException e) {
logger.error(e.getMessage());
}
}
}
}