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.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.schema.AttributeType; 029 030 031/** 032 * A base class for all items which protects attribute types (or its values) 033 * 034 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 035 */ 036public abstract class AbstractAttributeTypeProtectedItem extends ProtectedItem 037{ 038 /** The attribute types. */ 039 protected final Set<AttributeType> attributeTypes; 040 041 /** 042 * Creates a new instance. 043 * 044 * @param attributeTypes the collection of attribute IDs 045 */ 046 protected AbstractAttributeTypeProtectedItem( Set<AttributeType> attributeTypes ) 047 { 048 this.attributeTypes = Collections.unmodifiableSet( attributeTypes ); 049 } 050 051 052 /** 053 * Gets an iterator of all attribute types. 054 * 055 * @return the iterator of all attribute types 056 */ 057 public Iterator<AttributeType> iterator() 058 { 059 return attributeTypes.iterator(); 060 } 061 062 063 /** 064 * {@inheritDoc} 065 */ 066 @Override 067 public int hashCode() 068 { 069 int hash = 37; 070 071 if ( attributeTypes != null ) 072 { 073 for ( AttributeType attributeType : attributeTypes ) 074 { 075 hash = hash * 17 + attributeType.hashCode(); 076 } 077 } 078 079 hash = hash * 17 + getClass().getName().hashCode(); 080 081 return hash; 082 } 083 084 085 /** 086 * {@inheritDoc} 087 */ 088 @Override 089 public boolean equals( Object o ) 090 { 091 if ( this == o ) 092 { 093 return true; 094 } 095 096 if ( o == null ) 097 { 098 return false; 099 } 100 101 if ( getClass().isAssignableFrom( o.getClass() ) ) 102 { 103 AbstractAttributeTypeProtectedItem that = ( AbstractAttributeTypeProtectedItem ) o; 104 105 if ( attributeTypes != null ) 106 { 107 if ( ( that.attributeTypes == null ) || ( that.attributeTypes.size() != attributeTypes.size() ) ) 108 { 109 return false; 110 } 111 112 for ( AttributeType attributeType : attributeTypes ) 113 { 114 if ( !that.attributeTypes.contains( attributeType ) ) 115 { 116 return false; 117 } 118 } 119 120 return true; 121 } 122 else 123 { 124 return that.attributeTypes == null; 125 } 126 } 127 128 return false; 129 } 130 131 132 /** 133 * {@inheritDoc} 134 */ 135 @Override 136 public String toString() 137 { 138 StringBuilder buf = new StringBuilder(); 139 140 buf.append( "{ " ); 141 boolean isFirst = true; 142 143 if ( attributeTypes != null ) 144 { 145 for ( AttributeType attributeType : attributeTypes ) 146 { 147 if ( isFirst ) 148 { 149 isFirst = false; 150 } 151 else 152 { 153 buf.append( ", " ); 154 } 155 156 buf.append( attributeType.getName() ); 157 } 158 } 159 160 buf.append( " }" ); 161 162 return buf.toString(); 163 } 164}