1 package org.apache.maven.shared.dependency.tree.filter;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.util.Arrays;
23 import java.util.Collections;
24 import java.util.List;
25
26 import org.apache.maven.shared.dependency.tree.DependencyNode;
27
28 /**
29 * A dependency node filter that logically ANDs together a number of other dependency node filters.
30 *
31 * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
32 * @version $Id: AndDependencyNodeFilter.java 1100703 2011-05-08 08:27:33Z hboutemy $
33 * @since 1.1
34 */
35 public class AndDependencyNodeFilter
36 implements DependencyNodeFilter
37 {
38 // fields -----------------------------------------------------------------
39
40 /**
41 * The dependency node filters that this filter ANDs together.
42 */
43 private final List<DependencyNodeFilter> filters;
44
45 // constructors -----------------------------------------------------------
46
47 /**
48 * Creates a dependency node filter that logically ANDs together the two specified dependency node filters.
49 *
50 * @param filter1
51 * the first dependency node filter to logically AND together
52 * @param filter2
53 * the second dependency node filter to logically AND together
54 */
55 public AndDependencyNodeFilter( DependencyNodeFilter filter1, DependencyNodeFilter filter2 )
56 {
57 this( Arrays.asList( new DependencyNodeFilter[] { filter1, filter2 } ) );
58 }
59
60 /**
61 * Creates a dependency node filter that logically ANDs together the specified dependency node filters.
62 *
63 * @param filters
64 * the list of dependency node filters to logically AND together
65 */
66 public AndDependencyNodeFilter( List<DependencyNodeFilter> filters )
67 {
68 this.filters = Collections.unmodifiableList( filters );
69 }
70
71 // DependencyNodeFilter methods -------------------------------------------
72
73 /**
74 * {@inheritDoc}
75 */
76 public boolean accept( DependencyNode node )
77 {
78 for ( DependencyNodeFilter filter : filters )
79 {
80 if ( !filter.accept( node ) )
81 {
82 return false;
83 }
84 }
85
86 return true;
87 }
88
89 // public methods ---------------------------------------------------------
90
91 /**
92 * Gets the list of dependency node filters that this filter ANDs together.
93 *
94 * @return the dependency node filters that this filter ANDs together
95 */
96 public List<DependencyNodeFilter> getDependencyNodeFilters()
97 {
98 return filters;
99 }
100 }