/*
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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 2008-2009 Sun Microsystems, Inc.
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*/
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package org.forgerock.opendj.config;
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import java.net.InetAddress;
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import org.forgerock.opendj.ldap.AddressMask;
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import org.forgerock.opendj.ldap.DN;
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import org.forgerock.opendj.ldap.schema.AttributeType;
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import org.opends.server.authorization.dseecompat.Aci;
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/**
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* A visitor of property values, in the style of the visitor design pattern.
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* Classes implementing this interface can query a property a value and its
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* associated property definition in a type-safe manner when the kind of
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* property value is unknown at compile time. When a visitor is passed to a
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* property definition's accept method, the corresponding visit method most
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* applicable to that property definition is invoked.
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* <p>
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* Each <code>visitXXX</code> method is provided with a default implementation
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* which calls {@link #visitUnknown(PropertyDefinition, Object, Object)}.
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* Sub-classes can override any or all of the methods to provide their own
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* type-specific behavior.
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*
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* @param <R>
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* The return type of this visitor's methods. Use
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* {@link java.lang.Void} for visitors that do not need to return
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* results.
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* @param <P>
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* The type of the additional parameter to this visitor's methods.
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* Use {@link java.lang.Void} for visitors that do not need an
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* additional parameter.
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*/
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public abstract class PropertyValueVisitor<R, P> {
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/**
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* Default constructor.
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*/
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protected PropertyValueVisitor() {
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// No implementation required.
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}
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/**
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* Visit a dseecompat ACI.
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*
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* @param pd
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* The dseecompat ACI property definition.
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* @param v
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* The property value to visit.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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*/
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public R visitACI(ACIPropertyDefinition pd, Aci v, P p) {
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return visitUnknown(pd, v, p);
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}
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/**
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* Visit an aggregation property value.
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*
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* @param <C>
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* The type of client managed object configuration that this
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* aggregation property definition refers to.
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* @param <S>
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* The type of server managed object configuration that this
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* aggregation property definition refers to.
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* @param pd
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* The aggregation property definition to visit.
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* @param v
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* The property value to visit.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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*/
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public <C extends ConfigurationClient, S extends Configuration> R visitAggregation(
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AggregationPropertyDefinition<C, S> pd, String v, P p) {
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return visitUnknown(pd, v, p);
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}
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/**
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* Visit an attribute type.
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*
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* @param pd
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* The attribute type property definition.
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* @param v
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* The property value to visit.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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*/
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public R visitAttributeType(AttributeTypePropertyDefinition pd, AttributeType v, P p) {
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return visitUnknown(pd, v, p);
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}
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/**
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* Visit a boolean.
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*
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* @param pd
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* The boolean property definition.
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* @param v
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* The property value to visit.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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*/
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public R visitBoolean(BooleanPropertyDefinition pd, Boolean v, P p) {
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return visitUnknown(pd, v, p);
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}
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/**
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* Visit a class.
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*
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* @param pd
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* The class property definition.
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* @param v
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* The property value to visit.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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*/
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public R visitClass(ClassPropertyDefinition pd, String v, P p) {
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return visitUnknown(pd, v, p);
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}
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/**
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* Visit a DN.
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*
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* @param pd
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* The DN property definition.
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* @param v
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* The property value to visit.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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*/
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public R visitDN(DNPropertyDefinition pd, DN v, P p) {
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return visitUnknown(pd, v, p);
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}
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/**
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* Visit a duration.
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*
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* @param pd
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* The duration property definition.
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* @param v
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* The property value to visit.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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*/
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public R visitDuration(DurationPropertyDefinition pd, Long v, P p) {
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return visitUnknown(pd, v, p);
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}
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/**
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* Visit an enumeration.
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*
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* @param <E>
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* The enumeration that should be used for values of the property
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* definition.
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* @param pd
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* The enumeration property definition.
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* @param v
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* The property value to visit.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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*/
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public <E extends Enum<E>> R visitEnum(EnumPropertyDefinition<E> pd, E v, P p) {
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return visitUnknown(pd, v, p);
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}
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/**
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* Visit an integer.
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*
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* @param pd
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* The integer property definition.
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* @param v
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* The property value to visit.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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*/
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public R visitInteger(IntegerPropertyDefinition pd, Integer v, P p) {
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return visitUnknown(pd, v, p);
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}
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/**
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* Visit a IP address.
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*
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* @param pd
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* The IP address property definition.
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* @param v
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* The property value to visit.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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*/
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public R visitIPAddress(IPAddressPropertyDefinition pd, InetAddress v, P p) {
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return visitUnknown(pd, v, p);
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}
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/**
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* Visit a IP address mask.
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*
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* @param pd
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* The IP address mask property definition.
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* @param v
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* The property value to visit.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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*/
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public R visitIPAddressMask(IPAddressMaskPropertyDefinition pd, AddressMask v, P p) {
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return visitUnknown(pd, v, p);
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}
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/**
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* Visit a size.
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*
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* @param pd
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* The size property definition.
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* @param v
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* The property value to visit.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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*/
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public R visitSize(SizePropertyDefinition pd, Long v, P p) {
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return visitUnknown(pd, v, p);
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}
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/**
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* Visit a string.
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*
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* @param pd
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* The string property definition.
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* @param v
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* The property value to visit.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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*/
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public R visitString(StringPropertyDefinition pd, String v, P p) {
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return visitUnknown(pd, v, p);
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}
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/**
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* Visit an unknown type of property value. Implementations of this method
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* can provide default behavior for unknown types of property.
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* <p>
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* The default implementation of this method throws an
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* {@link PropertyException}. Sub-classes can override this
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* method with their own default behavior.
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*
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* @param <T>
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* The type of property value to visit.
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* @param pd
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* The property definition.
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* @param v
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* The property value.
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* @param p
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* A visitor specified parameter.
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* @return Returns a visitor specified result.
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* @throws PropertyException
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* Visitor implementations may optionally throw this exception.
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*/
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public <T> R visitUnknown(PropertyDefinition<T> pd, T v, P p) {
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throw PropertyException.unknownPropertyDefinitionException(pd, p);
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}
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}
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