/**
* License Agreement for OpenSearchServer
*
* Copyright (C) 2012 Emmanuel Keller / Jaeksoft
*
* http://www.open-search-server.com
*
* This file is part of OpenSearchServer.
*
* OpenSearchServer is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenSearchServer 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenSearchServer.
* If not, see <http://www.gnu.org/licenses/>.
**/
package com.jaeksoft.searchlib.streamlimiter;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.io.FilenameUtils;
import com.jaeksoft.searchlib.SearchLibException;
import com.jaeksoft.searchlib.crawler.file.process.FileInstanceAbstract;
import com.jaeksoft.searchlib.crawler.file.process.fileInstances.LocalFileInstance;
import com.jaeksoft.searchlib.util.IOUtils;
public class StreamLimiterFileInstance extends StreamLimiter {
private final FileInstanceAbstract fileInstance;
public StreamLimiterFileInstance(FileInstanceAbstract fileInstance, int limit)
throws IOException, SearchLibException {
super(limit, fileInstance.getFileName(), fileInstance.getURL());
this.fileInstance = fileInstance;
}
@Override
protected void loadOutputCache() throws LimitException, IOException {
Long l = fileInstance.getFileSize();
if (l != null)
if (limit != 0 && l > limit)
throw new LimitException(
"File instance " + fileInstance.getFileName() + " larger than " + limit + " bytes.");
if (fileInstance instanceof LocalFileInstance)
loadOutputCache(((LocalFileInstance) fileInstance).getFile());
else {
InputStream is = null;
BufferedInputStream bis = null;
try {
is = fileInstance.getInputStream();
bis = new BufferedInputStream(is);
loadOutputCache(bis);
} finally {
IOUtils.close(is, bis);
}
}
}
@Override
public File getFile() throws IOException, SearchLibException {
if (fileInstance instanceof LocalFileInstance)
return ((LocalFileInstance) fileInstance).getFile();
String ext = FilenameUtils.getExtension(fileInstance.getFileName());
return getTempFile(ext);
}
}