/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2009-2010 Sun Microsystems, Inc.
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* Portions copyright 2012 ForgeRock AS.
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*/
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package org.forgerock.opendj.ldap;
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import java.util.Collection;
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import java.util.Map;
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import com.forgerock.opendj.util.Validator;
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/**
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* Abstract implementation for {@code Map} based entries.
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*/
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abstract class AbstractMapEntry extends AbstractEntry {
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private final Map<AttributeDescription, Attribute> attributes;
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private DN name;
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/**
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* Creates an empty entry using the provided distinguished name and
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* {@code Map}.
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*
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* @param name
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* The distinguished name of this entry.
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* @param attributes
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* The attribute map.
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*/
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AbstractMapEntry(final DN name, final Map<AttributeDescription, Attribute> attributes) {
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this.name = name;
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this.attributes = attributes;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public final boolean addAttribute(final Attribute attribute,
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final Collection<? super ByteString> duplicateValues) {
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final AttributeDescription attributeDescription = attribute.getAttributeDescription();
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final Attribute oldAttribute = getAttribute(attributeDescription);
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if (oldAttribute != null) {
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return oldAttribute.addAll(attribute, duplicateValues);
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} else {
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attributes.put(attributeDescription, attribute);
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return true;
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public final Entry clearAttributes() {
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attributes.clear();
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return this;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public final Iterable<Attribute> getAllAttributes() {
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return attributes.values();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public final Attribute getAttribute(final AttributeDescription attributeDescription) {
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final Attribute attribute = attributes.get(attributeDescription);
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if (attribute == null && attributeDescription.isPlaceHolder()) {
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// Fall-back to inefficient search using place-holder.
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return super.getAttribute(attributeDescription);
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} else {
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return attribute;
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public final int getAttributeCount() {
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return attributes.size();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public final DN getName() {
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return name;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public final boolean removeAttribute(final Attribute attribute,
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final Collection<? super ByteString> missingValues) {
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final AttributeDescription attributeDescription = attribute.getAttributeDescription();
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if (attribute.isEmpty()) {
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if (attributes.remove(attributeDescription) != null) {
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return true;
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} else if (attributeDescription.isPlaceHolder()) {
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// Fall-back to inefficient remove using place-holder.
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return super.removeAttribute(attribute, missingValues);
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} else {
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return false;
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}
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} else {
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final Attribute oldAttribute = getAttribute(attributeDescription);
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if (oldAttribute != null) {
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final boolean modified = oldAttribute.removeAll(attribute, missingValues);
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if (oldAttribute.isEmpty()) {
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// Use old attribute's description in case it is different
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// (e.g. this may be the case when using place-holders).
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attributes.remove(oldAttribute.getAttributeDescription());
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return true;
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}
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return modified;
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} else {
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if (missingValues != null) {
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missingValues.addAll(attribute);
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}
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return false;
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}
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public final Entry setName(final DN dn) {
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Validator.ensureNotNull(dn);
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this.name = dn;
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return this;
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}
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}
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