001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.directory.shared.ldap.aci.protectedItem; 021 022 023import java.util.Collections; 024import java.util.Iterator; 025import java.util.Set; 026 027import org.apache.directory.shared.ldap.aci.ProtectedItem; 028 029 030/** 031 * Restricts values added to the attribute type to being values that are 032 * already present in the same entry as values of the attribute valuesIn. It 033 * is examined if the protected item is an attribute value of the specified 034 * type and the permission sought is add. Values of the valuesIn attribute 035 * are checked without regard to context or access control and as though the 036 * operation which adds the values were successful. If the value to be added 037 * is not present in valuesIn the ACI item is treated as not granting add 038 * access. 039 */ 040public class RestrictedByItem extends ProtectedItem 041{ 042 /** The set of restricted elements */ 043 private final Set<RestrictedByElem> items; 044 045 046 /** 047 * Creates a new instance. 048 * 049 * @param items the collection of {@link RestrictedByElem}s. 050 */ 051 public RestrictedByItem( Set<RestrictedByElem> items ) 052 { 053 this.items = Collections.unmodifiableSet( items ); 054 } 055 056 057 /** 058 * Gets an iterator of all {@link RestrictedByElem}s. 059 * 060 * @return the iterator of all {@link RestrictedByElem}s 061 */ 062 public Iterator<RestrictedByElem> iterator() 063 { 064 return items.iterator(); 065 } 066 067 068 /** 069 * {@inheritDoc} 070 */ 071 @Override 072 public int hashCode() 073 { 074 int hash = 37; 075 hash = hash * 17 + items.hashCode(); 076 return hash; 077 } 078 079 080 /** 081 * {@inheritDoc} 082 */ 083 @Override 084 public boolean equals( Object o ) 085 { 086 if ( this == o ) 087 { 088 return true; 089 } 090 091 if ( o == null ) 092 { 093 return false; 094 } 095 096 if ( o instanceof RestrictedByItem ) 097 { 098 RestrictedByItem that = ( RestrictedByItem ) o; 099 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}