/*
* Copyright 2004-2005 Revolution Systems Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.revolsys.io.filter;
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
/**
* The DirectoryFilenameFilter is a {@link FilenameFilter} that only returns
* files if they are a directory.
*
* @author Paul Austin
*/
public class DirectoryFilenameFilter implements FilenameFilter {
/** An instance of the filter for use by applications. */
public static final DirectoryFilenameFilter FILTER = new DirectoryFilenameFilter();
/**
* Check to see if the file should be included in the list of matched files
*
* @param directory The directory in which the file was found.
* @param filename The name of the file.
* @return True if the file matched, false otherwise.
*/
@Override
public boolean accept(final File directory, final String filename) {
try {
return new File(directory, filename).getCanonicalFile().isDirectory();
} catch (final IOException e) {
e.printStackTrace();
return false;
}
}
}