/**
* The contents of this file are subject to the license and copyright
* detailed in the LICENSE and NOTICE files at the root of the source
* tree and available online at
*
* http://www.dspace.org/license/
*/
package org.dspace.app.itemupdate;
import java.util.regex.*;
import org.dspace.content.Bitstream;
/**
* BitstreamFilter implementation to filter by filename pattern
*
*/
public class BitstreamFilterByFilename extends BitstreamFilter {
protected Pattern pattern;
protected String filenameRegex;
public BitstreamFilterByFilename()
{
//empty
}
/**
* Tests bitstream by matching the regular expression in the
* properties against the bitstream name
*
* @param bitstream Bitstream
* @return whether bitstream name matches the regular expression
* @throws BitstreamFilterException if filter error
*/
@Override
public boolean accept(Bitstream bitstream) throws BitstreamFilterException
{
if (filenameRegex == null)
{
filenameRegex = props.getProperty("filename");
if (filenameRegex == null)
{
throw new BitstreamFilterException("BitstreamFilter property 'filename' not found.");
}
pattern = Pattern.compile(filenameRegex);
}
Matcher m = pattern.matcher(bitstream.getName());
return m.matches();
}
}