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.FSDirectory;
import com.browseengine.bobo.api.BoboBrowser;
import com.browseengine.bobo.api.BoboMultiReader;
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 BoboMultiReader _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 {
DirectoryReader reader = DirectoryReader.open(FSDirectory.open(_idxDir));
try {
_boboReader = BoboMultiReader.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());
}
}
}
}