1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.maven.shared.dependency.graph.filter; 20 21 import java.util.Arrays; 22 import java.util.Collections; 23 import java.util.List; 24 25 import org.apache.maven.shared.dependency.graph.DependencyNode; 26 27 /** 28 * A dependency node filter that logically ANDs together a number of other dependency node filters. 29 * 30 * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a> 31 * @version $Id$ 32 * @since 1.1 33 */ 34 public class AndDependencyNodeFilter implements DependencyNodeFilter { 35 // fields ----------------------------------------------------------------- 36 37 /** 38 * The dependency node filters that this filter ANDs together. 39 */ 40 private final List<DependencyNodeFilter> filters; 41 42 // constructors ----------------------------------------------------------- 43 44 /** 45 * Creates a dependency node filter that logically ANDs together the two specified dependency node filters. 46 * 47 * @param filter1 the first dependency node filter to logically AND together 48 * @param filter2 the second dependency node filter to logically AND together 49 */ 50 public AndDependencyNodeFilter(DependencyNodeFilter filter1, DependencyNodeFilter filter2) { 51 this(Arrays.asList(filter1, filter2)); 52 } 53 54 /** 55 * Creates a dependency node filter that logically ANDs together the specified dependency node filters. 56 * 57 * @param filters the list of dependency node filters to logically AND together 58 */ 59 public AndDependencyNodeFilter(List<DependencyNodeFilter> filters) { 60 this.filters = Collections.unmodifiableList(filters); 61 } 62 63 // DependencyNodeFilter methods ------------------------------------------- 64 65 /** 66 * {@inheritDoc} 67 */ 68 @Override 69 public boolean accept(DependencyNode node) { 70 for (DependencyNodeFilter filter : filters) { 71 if (!filter.accept(node)) { 72 return false; 73 } 74 } 75 76 return true; 77 } 78 79 // public methods --------------------------------------------------------- 80 81 /** 82 * Gets the list of dependency node filters that this filter ANDs together. 83 * 84 * @return the dependency node filters that this filter ANDs together 85 */ 86 public List<DependencyNodeFilter> getDependencyNodeFilters() { 87 return filters; 88 } 89 }