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 * https://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.api.ldap.aci.protectedItem; 021 022 023import java.util.Collections; 024import java.util.Iterator; 025import java.util.Set; 026 027import org.apache.directory.api.ldap.aci.ProtectedItem; 028import org.apache.directory.api.ldap.model.entry.Attribute; 029 030 031/** 032 * A specific value of specific attributes. 033 * 034 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 035 */ 036public class AttributeValueItem extends ProtectedItem 037{ 038 /** The protected Attributes */ 039 private final Set<Attribute> attributes; 040 041 042 /** 043 * Creates a new instance. 044 * 045 * @param attributes the collection of {@link Attribute}s. 046 */ 047 public AttributeValueItem( Set<Attribute> attributes ) 048 { 049 this.attributes = Collections.unmodifiableSet( attributes ); 050 } 051 052 053 /** 054 * Returns an iterator of all {@link org.apache.directory.api.ldap.model.entry.Attribute}s. 055 * 056 * @return the iterator 057 */ 058 public Iterator<Attribute> iterator() 059 { 060 return attributes.iterator(); 061 } 062 063 064 /** 065 * {@inheritDoc} 066 */ 067 @Override 068 public int hashCode() 069 { 070 int hash = 37; 071 072 if ( attributes != null ) 073 { 074 for ( Attribute attribute : attributes ) 075 { 076 hash = hash * 17 + attribute.hashCode(); 077 } 078 } 079 080 return hash; 081 } 082 083 084 /** 085 * {@inheritDoc} 086 */ 087 @Override 088 public boolean equals( Object o ) 089 { 090 if ( this == o ) 091 { 092 return true; 093 } 094 095 if ( o instanceof AttributeValueItem ) 096 { 097 AttributeValueItem that = ( AttributeValueItem ) o; 098 099 if ( attributes != null ) 100 { 101 if ( ( that.attributes == null ) || ( that.attributes.size() != attributes.size() ) ) 102 { 103 return false; 104 } 105 106 for ( Attribute attribute : attributes ) 107 { 108 if ( !that.attributes.contains( attribute ) ) 109 { 110 return false; 111 } 112 } 113 114 return true; 115 } 116 else 117 { 118 return attributes == null; 119 } 120 } 121 122 return false; 123 } 124 125 126 /** 127 * {@inheritDoc} 128 */ 129 @Override 130 public String toString() 131 { 132 StringBuilder buf = new StringBuilder(); 133 134 buf.append( "attributeValue {" ); 135 136 boolean isFirst = true; 137 138 if ( attributes != null ) 139 { 140 for ( Attribute attribute : attributes ) 141 { 142 if ( isFirst ) 143 { 144 isFirst = false; 145 } 146 else 147 { 148 buf.append( ", " ); 149 } 150 151 buf.append( attribute.getId() ); 152 buf.append( '=' ); 153 buf.append( attribute.get() ); 154 } 155 } 156 157 buf.append( " }" ); 158 159 return buf.toString(); 160 } 161}