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; 028 029 030/** 031 * Restricts the maximum number of attribute values allowed for a specified 032 * attribute type. It is examined if the protected item is an attribute 033 * value of the specified type and the permission sought is add. Values of 034 * that attribute in the entry are counted without regard to context or 035 * access control and as though the operation which adds the values were 036 * successful. If the number of values in the attribute exceeds maxCount, 037 * the ACI item is treated as not granting add access. 038 */ 039public class MaxValueCountItem extends ProtectedItem 040{ 041 /** The set of elements to protect */ 042 private final Set<MaxValueCountElem> items; 043 044 045 /** 046 * Creates a new instance. 047 * 048 * @param items the collection of {@link MaxValueCountElem}s. 049 */ 050 public MaxValueCountItem( Set<MaxValueCountElem> items ) 051 { 052 this.items = Collections.unmodifiableSet( items ); 053 } 054 055 056 /** 057 * Gets an iterator of all {@link MaxValueCountElem}s. 058 * 059 * @return an iterator of all {@link MaxValueCountElem}s 060 */ 061 public Iterator<MaxValueCountElem> iterator() 062 { 063 return items.iterator(); 064 } 065 066 067 /** 068 * {@inheritDoc} 069 */ 070 @Override 071 public int hashCode() 072 { 073 int hash = 37; 074 hash = hash * 17 + items.hashCode(); 075 return hash; 076 } 077 078 079 /** 080 * {@inheritDoc} 081 */ 082 @Override 083 public boolean equals( Object o ) 084 { 085 if ( this == o ) 086 { 087 return true; 088 } 089 090 if ( o == null ) 091 { 092 return false; 093 } 094 095 if ( o instanceof MaxValueCountItem ) 096 { 097 MaxValueCountItem that = ( MaxValueCountItem ) o; 098 return this.items.equals( that.items ); 099 } 100 101 return false; 102 } 103 104 105 /** 106 * {@inheritDoc} 107 */ 108 @Override 109 public String toString() 110 { 111 StringBuilder buf = new StringBuilder(); 112 113 buf.append( "maxValueCount {" ); 114 115 boolean isFirst = true; 116 117 for ( MaxValueCountElem item : items ) 118 { 119 if ( isFirst ) 120 { 121 isFirst = false; 122 } 123 else 124 { 125 buf.append( ", " ); 126 } 127 128 buf.append( item.toString() ); 129 } 130 131 buf.append( "}" ); 132 133 return buf.toString(); 134 } 135}