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The Apache Commons IO library contains utility classes, stream implementations, file filters,
file comparators, endian transformation classes, and much more.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.commons.io.filefilter;
import java.io.File;
import java.io.Serializable;
/**
* A file filter that always returns true.
*
* @since 1.0
*
* @see FileFilterUtils#trueFileFilter()
*/
public class TrueFileFilter implements IOFileFilter, Serializable {
private static final long serialVersionUID = 8782512160909720199L;
/**
* Singleton instance of true filter.
* @since 1.3
*/
public static final IOFileFilter TRUE = new TrueFileFilter();
/**
* Singleton instance of true filter.
* Please use the identical TrueFileFilter.TRUE constant.
* The new name is more JDK 1.5 friendly as it doesn't clash with other
* values when using static imports.
*/
public static final IOFileFilter INSTANCE = TRUE;
/**
* Restrictive constructor.
*/
protected TrueFileFilter() {
}
/**
* Returns true.
*
* @param file the file to check (ignored)
* @return true
*/
@Override
public boolean accept(final File file) {
return true;
}
/**
* Returns true.
*
* @param dir the directory to check (ignored)
* @param name the file name (ignored)
* @return true
*/
@Override
public boolean accept(final File dir, final String name) {
return true;
}
}