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 */
20 package org.apache.directory.api.ldap.aci.protectedItem;
21
22
23 import java.util.Collections;
24 import java.util.Iterator;
25 import java.util.Set;
26
27 import org.apache.directory.api.ldap.aci.ProtectedItem;
28
29
30 /**
31 * Restricts values added to the attribute type to being values that are
32 * already present in the same entry as values of the attribute valuesIn. It
33 * is examined if the protected item is an attribute value of the specified
34 * type and the permission sought is add. Values of the valuesIn attribute
35 * are checked without regard to context or access control and as though the
36 * operation which adds the values were successful. If the value to be added
37 * is not present in valuesIn the ACI item is treated as not granting add
38 * access.
39 */
40 public class RestrictedByItem extends ProtectedItem
41 {
42 /** The set of restricted elements */
43 private final Set<RestrictedByElem> items;
44
45
46 /**
47 * Creates a new instance.
48 *
49 * @param items the collection of {@link RestrictedByElem}s.
50 */
51 public RestrictedByItem( Set<RestrictedByElem> items )
52 {
53 this.items = Collections.unmodifiableSet( items );
54 }
55
56
57 /**
58 * Gets an iterator of all {@link RestrictedByElem}s.
59 *
60 * @return the iterator of all {@link RestrictedByElem}s
61 */
62 public Iterator<RestrictedByElem> iterator()
63 {
64 return items.iterator();
65 }
66
67
68 /**
69 * {@inheritDoc}
70 */
71 @Override
72 public int hashCode()
73 {
74 int hash = 37;
75 hash = hash * 17 + items.hashCode();
76 return hash;
77 }
78
79
80 /**
81 * {@inheritDoc}
82 */
83 @Override
84 public boolean equals( Object o )
85 {
86 if ( this == o )
87 {
88 return true;
89 }
90
91 if ( o == null )
92 {
93 return false;
94 }
95
96 if ( o instanceof RestrictedByItem )
97 {
98 RestrictedByItem that = ( RestrictedByItem ) o;
99 return this.items.equals( that.items );
100 }
101
102 return false;
103 }
104
105
106 /**
107 * {@inheritDoc}
108 */
109 @Override
110 public String toString()
111 {
112 StringBuilder buf = new StringBuilder();
113
114 buf.append( "restrictedBy {" );
115
116 boolean isFirst = true;
117
118 for ( RestrictedByElem item : items )
119 {
120 if ( isFirst )
121 {
122 isFirst = false;
123 }
124 else
125 {
126 buf.append( ", " );
127 }
128
129 buf.append( item.toString() );
130 }
131
132 buf.append( '}' );
133
134 return buf.toString();
135 }
136 }