conditionalfilefilter.java

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/*
 * Copyright 2002-2004 The Apache Software Foundation.
 * 
 * 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 org.apache.commons.io.filefilter;

import java.util.List;

/**
 * Defines operations for conditional file filters.
 *
 * @since Commons IO 1.1
 * @version $Revision: 155419 $ $Date: 2005-02-26 13:02:41 +0000 (Sat, 26 Feb 2005) $
 *
 * @author Steven Caswell
 */
public interface ConditionalFileFilter {

    /**
     * Adds the specified file filter to the list of file filters at the end of
     * the list.
     *
     * @param ioFileFilter the filter to be added
     * @since Commons IO 1.1
     */
    public void addFileFilter(IOFileFilter ioFileFilter);

    /**
     * Returns this conditional file filter's list of file filters.
     *
     * @return the file filter list
     * @since Commons IO 1.1
     */
    public List getFileFilters();

    /**
     * Removes the specified file filter.
     *
     * @param ioFileFilter filter to be removed
     * @return <code>true</code> if the filter was found in the list,
     * <code>false</code> otherwise
     * @since Commons IO 1.1
     */
    public boolean removeFileFilter(IOFileFilter ioFileFilter);

    /**
     * Sets the list of file filters, replacing any previously configured
     * file filters on this filter.
     *
     * @param fileFilters the list of filters
     * @since Commons IO 1.1
     */
    public void setFileFilters(List fileFilters);

}