001 /*
002 * Created on Nov 1, 2007
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
005 * the License. You may obtain a copy of the License at
006 *
007 * http://www.apache.org/licenses/LICENSE-2.0
008 *
009 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
010 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
011 * specific language governing permissions and limitations under the License.
012 *
013 * Copyright @2007-2011 the original author or authors.
014 */
015 package org.fest.util;
016
017 import java.util.*;
018
019 /**
020 * Filter for elements in a collection.
021 * @param <T> the generic type of the elements to return by the filter.
022 *
023 * @author Yvonne Wang
024 */
025 public interface CollectionFilter<T> {
026
027 /**
028 * Filters a given collection.
029 * @param target the collection to filter.
030 * @return a list containing the filtered elements.
031 */
032 List<T> filter(Collection<?> target);
033 }