/*
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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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* Portions Copyright 2014 ForgeRock AS
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*/
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package org.forgerock.opendj.config.client.spi;
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import static org.forgerock.opendj.config.PropertyException.defaultBehaviorException;
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import static org.forgerock.opendj.config.PropertyException.propertyIsSingleValuedException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.SortedSet;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.opendj.server.config.client.RootCfgClient;
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import org.forgerock.opendj.config.AbsoluteInheritedDefaultBehaviorProvider;
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import org.forgerock.opendj.config.AbstractManagedObjectDefinition;
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import org.forgerock.opendj.config.AliasDefaultBehaviorProvider;
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import org.forgerock.opendj.config.Configuration;
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import org.forgerock.opendj.config.ConfigurationClient;
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import org.forgerock.opendj.config.Constraint;
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import org.forgerock.opendj.config.PropertyException;
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import org.forgerock.opendj.config.DefaultBehaviorProviderVisitor;
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import org.forgerock.opendj.config.DefinedDefaultBehaviorProvider;
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import org.forgerock.opendj.config.DefinitionDecodingException;
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import org.forgerock.opendj.config.InstantiableRelationDefinition;
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import org.forgerock.opendj.config.ManagedObjectNotFoundException;
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import org.forgerock.opendj.config.ManagedObjectPath;
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import org.forgerock.opendj.config.OptionalRelationDefinition;
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import org.forgerock.opendj.config.PropertyDefinition;
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import org.forgerock.opendj.config.PropertyNotFoundException;
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import org.forgerock.opendj.config.PropertyOption;
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import org.forgerock.opendj.config.RelationDefinition;
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import org.forgerock.opendj.config.RelativeInheritedDefaultBehaviorProvider;
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import org.forgerock.opendj.config.SetRelationDefinition;
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import org.forgerock.opendj.config.UndefinedDefaultBehaviorProvider;
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import org.forgerock.opendj.config.DefinitionDecodingException.Reason;
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import org.forgerock.opendj.config.client.ClientConstraintHandler;
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import org.forgerock.opendj.config.client.ManagedObject;
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import org.forgerock.opendj.config.client.ManagedObjectDecodingException;
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import org.forgerock.opendj.config.client.ManagementContext;
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import org.forgerock.opendj.config.client.OperationRejectedException;
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import org.forgerock.opendj.config.client.OperationRejectedException.OperationType;
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import org.forgerock.opendj.ldap.LdapException;
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/**
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* An abstract management connection context driver which should form the basis
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* of driver implementations.
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*/
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public abstract class Driver {
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/**
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* A default behavior visitor used for retrieving the default values of a
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* property.
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*
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* @param <T>
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* The type of the property.
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*/
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private final class DefaultValueFinder<T> implements DefaultBehaviorProviderVisitor<T, Collection<T>, Void> {
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// Any exception that occurred whilst retrieving inherited default
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// values.
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private PropertyException exception = null;
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// The path of the managed object containing the first property.
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private final ManagedObjectPath<?, ?> firstPath;
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// Indicates whether the managed object has been created yet.
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private final boolean isCreate;
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// The path of the managed object containing the next property.
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private ManagedObjectPath<?, ?> nextPath = null;
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// The next property whose default values were required.
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private PropertyDefinition<T> nextProperty = null;
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// Private constructor.
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private DefaultValueFinder(ManagedObjectPath<?, ?> p, boolean isCreate) {
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this.firstPath = p;
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this.isCreate = isCreate;
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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 Collection<T> visitAbsoluteInherited(AbsoluteInheritedDefaultBehaviorProvider<T> d, Void p) {
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try {
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return getInheritedProperty(d.getManagedObjectPath(), d.getManagedObjectDefinition(),
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d.getPropertyName());
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} catch (PropertyException e) {
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exception = e;
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return Collections.emptySet();
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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 Collection<T> visitAlias(AliasDefaultBehaviorProvider<T> d, Void p) {
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return Collections.emptySet();
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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 Collection<T> visitDefined(DefinedDefaultBehaviorProvider<T> d, Void p) {
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Collection<String> stringValues = d.getDefaultValues();
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List<T> values = new ArrayList<T>(stringValues.size());
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for (String stringValue : stringValues) {
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try {
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values.add(nextProperty.decodeValue(stringValue));
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} catch (PropertyException e) {
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exception = PropertyException.defaultBehaviorException(nextProperty, e);
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break;
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}
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}
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return 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 Collection<T> visitRelativeInherited(RelativeInheritedDefaultBehaviorProvider<T> d, Void p) {
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try {
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return getInheritedProperty(d.getManagedObjectPath(nextPath), d.getManagedObjectDefinition(),
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d.getPropertyName());
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} catch (PropertyException e) {
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exception = e;
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return Collections.emptySet();
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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 Collection<T> visitUndefined(UndefinedDefaultBehaviorProvider<T> d, Void p) {
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return Collections.emptySet();
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}
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// Find the default values for the next path/property.
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private Collection<T> find(ManagedObjectPath<?, ?> p, PropertyDefinition<T> pd) {
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this.nextPath = p;
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this.nextProperty = pd;
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Collection<T> values = nextProperty.getDefaultBehaviorProvider().accept(this, null);
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if (exception != null) {
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throw exception;
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}
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if (values.size() > 1 && !pd.hasOption(PropertyOption.MULTI_VALUED)) {
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throw defaultBehaviorException(pd, propertyIsSingleValuedException(pd));
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}
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return values;
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}
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// Get an inherited property value.
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@SuppressWarnings("unchecked")
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private Collection<T> getInheritedProperty(ManagedObjectPath<?, ?> target,
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AbstractManagedObjectDefinition<?, ?> d, String propertyName) {
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// First check that the requested type of managed object
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// corresponds to the path.
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AbstractManagedObjectDefinition<?, ?> supr = target.getManagedObjectDefinition();
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if (!supr.isParentOf(d)) {
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throw PropertyException.defaultBehaviorException(nextProperty, new DefinitionDecodingException(supr,
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Reason.WRONG_TYPE_INFORMATION));
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}
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// Save the current property in case of recursion.
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PropertyDefinition<T> pd1 = nextProperty;
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try {
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// Determine the requested property definition.
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PropertyDefinition<T> pd2;
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try {
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// FIXME: we use the definition taken from the default
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// behavior here when we should really use the exact
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// definition of the component being created.
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PropertyDefinition<?> pdTmp = d.getPropertyDefinition(propertyName);
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pd2 = pd1.getClass().cast(pdTmp);
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} catch (IllegalArgumentException e) {
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throw new PropertyNotFoundException(propertyName);
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} catch (ClassCastException e) {
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// FIXME: would be nice to throw a better exception here.
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throw new PropertyNotFoundException(propertyName);
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}
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// If the path relates to the current managed object and the
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// managed object is in the process of being created it won't
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// exist, so we should just use the default values of the
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// referenced property.
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if (isCreate && firstPath.equals(target)) {
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// Recursively retrieve this property's default values.
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Collection<T> tmp = find(target, pd2);
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Collection<T> values = new ArrayList<T>(tmp.size());
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for (T value : tmp) {
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pd1.validateValue(value);
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values.add(value);
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}
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return values;
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} else {
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// FIXME: issue 2481 - this is broken if the referenced
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// property
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// inherits its defaults from the newly created managed
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// object.
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return getPropertyValues(target, pd2);
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}
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} catch (PropertyException e) {
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// Wrap any errors due to recursion.
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throw PropertyException.defaultBehaviorException(pd1, e);
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} catch (DefinitionDecodingException e) {
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throw PropertyException.defaultBehaviorException(pd1, e);
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} catch (PropertyNotFoundException e) {
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throw PropertyException.defaultBehaviorException(pd1, e);
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} catch (LdapException e) {
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throw PropertyException.defaultBehaviorException(pd1, e);
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} catch (ManagedObjectNotFoundException e) {
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throw PropertyException.defaultBehaviorException(pd1, e);
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}
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}
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};
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/**
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* Creates a new abstract driver.
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*/
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protected Driver() {
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// Do nothing.
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}
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/**
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* Closes any context associated with this management context driver.
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*/
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public void close() {
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// do nothing by default
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}
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/**
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* Deletes the named instantiable child managed object from the named parent
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* managed object.
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*
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* @param <C>
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* The type of client managed object configuration that the
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* relation definition refers to.
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* @param <S>
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* The type of server managed object configuration that the
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* relation definition refers to.
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* @param parent
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* The path of the parent managed object.
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* @param rd
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* The instantiable relation definition.
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* @param name
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* The name of the child managed object to be removed.
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* @return Returns <code>true</code> if the named instantiable child managed
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* object was found, or <code>false</code> if it was not found.
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* @throws IllegalArgumentException
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* If the relation definition is not associated with the parent
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* managed object's definition.
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* @throws ManagedObjectNotFoundException
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* If the parent managed object could not be found.
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* @throws OperationRejectedException
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* If the managed object cannot be removed due to some
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* client-side or server-side constraint which cannot be
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* satisfied (for example, if it is referenced by another
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* managed object).
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* @throws LdapException
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* If any other error occurs.
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*/
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public final <C extends ConfigurationClient, S extends Configuration> boolean deleteManagedObject(
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ManagedObjectPath<?, ?> parent, InstantiableRelationDefinition<C, S> rd, String name)
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throws ManagedObjectNotFoundException, OperationRejectedException, LdapException {
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validateRelationDefinition(parent, rd);
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ManagedObjectPath<?, ?> child = parent.child(rd, name);
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return doDeleteManagedObject(child);
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}
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/**
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* Deletes the optional child managed object from the named parent managed
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* object.
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*
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* @param <C>
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* The type of client managed object configuration that the
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* relation definition refers to.
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* @param <S>
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* The type of server managed object configuration that the
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* relation definition refers to.
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* @param parent
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* The path of the parent managed object.
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* @param rd
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* The optional relation definition.
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* @return Returns <code>true</code> if the optional child managed object
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* was found, or <code>false</code> if it was not found.
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* @throws IllegalArgumentException
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* If the relation definition is not associated with the parent
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* managed object's definition.
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* @throws ManagedObjectNotFoundException
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* If the parent managed object could not be found.
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* @throws OperationRejectedException
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* If the managed object cannot be removed due to some
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* client-side or server-side constraint which cannot be
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* satisfied (for example, if it is referenced by another
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* managed object).
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* @throws LdapException
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* If any other error occurs.
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*/
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public final <C extends ConfigurationClient, S extends Configuration> boolean deleteManagedObject(
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ManagedObjectPath<?, ?> parent, OptionalRelationDefinition<C, S> rd) throws ManagedObjectNotFoundException,
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OperationRejectedException, LdapException {
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validateRelationDefinition(parent, rd);
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ManagedObjectPath<?, ?> child = parent.child(rd);
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return doDeleteManagedObject(child);
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}
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/**
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* Deletes the named instantiable child managed object from the named parent
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* managed object.
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*
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* @param <C>
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* The type of client managed object configuration that the
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* relation definition refers to.
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* @param <S>
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* The type of server managed object configuration that the
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* relation definition refers to.
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* @param parent
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* The path of the parent managed object.
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* @param rd
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* The instantiable relation definition.
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* @param name
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* The name of the child managed object to be removed.
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* @return Returns <code>true</code> if the named instantiable child managed
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* object was found, or <code>false</code> if it was not found.
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* @throws IllegalArgumentException
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* If the relation definition is not associated with the parent
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* managed object's definition.
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* @throws ManagedObjectNotFoundException
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* If the parent managed object could not be found.
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* @throws OperationRejectedException
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* If the managed object cannot be removed due to some
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* client-side or server-side constraint which cannot be
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* satisfied (for example, if it is referenced by another
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* managed object).
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* @throws LdapException
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* If any other error occurs.
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*/
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public final <C extends ConfigurationClient, S extends Configuration> boolean deleteManagedObject(
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ManagedObjectPath<?, ?> parent, SetRelationDefinition<C, S> rd, String name)
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throws ManagedObjectNotFoundException, OperationRejectedException, LdapException {
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validateRelationDefinition(parent, rd);
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ManagedObjectPath<?, ?> child = parent.child(rd, name);
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return doDeleteManagedObject(child);
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}
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/**
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* Gets the named managed object. The path is guaranteed to be non-empty, so
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* implementations do not need to worry about handling this special case.
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*
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* @param <C>
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* The type of client managed object configuration that the path
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* definition refers to.
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* @param <S>
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* The type of server managed object configuration that the path
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* definition refers to.
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* @param path
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* The non-empty path of the managed object.
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* @return Returns the named managed object.
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* @throws DefinitionDecodingException
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* If the managed object was found but its type could not be
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* determined.
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* @throws ManagedObjectDecodingException
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* If the managed object was found but one or more of its
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* properties could not be decoded.
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* @throws ManagedObjectNotFoundException
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* If the requested managed object could not be found on the
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* server.
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* @throws LdapException
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* If any other error occurs.
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*/
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// @Checkstyle:ignore
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public abstract <C extends ConfigurationClient, S extends Configuration> ManagedObject<? extends C> getManagedObject(
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ManagedObjectPath<C, S> path) throws DefinitionDecodingException, ManagedObjectDecodingException,
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ManagedObjectNotFoundException, LdapException;
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/**
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* Gets the effective values of a property in the named managed object.
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* <p>
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* Implementations MUST NOT not use
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* {@link #getManagedObject(ManagedObjectPath)} to read the referenced
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* managed object in its entirety. Specifically, implementations MUST only
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* attempt to resolve the default values for the requested property and its
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* dependencies (if it uses inherited defaults). This is to avoid infinite
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* recursion where a managed object contains a property which inherits
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* default values from another property in the same managed object.
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*
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* @param <C>
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* The type of client managed object configuration that the path
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* definition refers to.
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* @param <S>
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* The type of server managed object configuration that the path
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* definition refers to.
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* @param <P>
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* The type of the property to be retrieved.
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* @param path
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* The path of the managed object containing the property.
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* @param pd
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* The property to be retrieved.
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* @return Returns the property's effective values, or an empty set if there
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* are no values defined.
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* @throws IllegalArgumentException
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* If the property definition is not associated with the
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* referenced managed object's definition.
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* @throws DefinitionDecodingException
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* If the managed object was found but its type could not be
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* determined.
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* @throws PropertyException
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* If the managed object was found but the requested property
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* could not be decoded.
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* @throws ManagedObjectNotFoundException
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* If the requested managed object could not be found on the
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* server.
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* @throws LdapException
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* If any other error occurs.
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*/
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public abstract <C extends ConfigurationClient, S extends Configuration, P> SortedSet<P> getPropertyValues(
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ManagedObjectPath<C, S> path, PropertyDefinition<P> pd) throws DefinitionDecodingException,
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ManagedObjectNotFoundException, LdapException;
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/**
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* Gets the root configuration managed object associated with this
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* management context driver.
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*
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* @return Returns the root configuration managed object associated with
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* this management context driver.
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*/
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public abstract ManagedObject<RootCfgClient> getRootConfigurationManagedObject();
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/**
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* Lists the child managed objects of the named parent managed object which
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* are a sub-type of the specified managed object definition.
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*
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* @param <C>
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* The type of client managed object configuration that the
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* relation definition refers to.
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* @param <S>
|
* The type of server managed object configuration that the
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* relation definition refers to.
|
* @param parent
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* The path of the parent managed object.
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* @param rd
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* The instantiable relation definition.
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* @param d
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* The managed object definition.
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* @return Returns the names of the child managed objects which are a
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* sub-type of the specified managed object definition.
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* @throws IllegalArgumentException
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* If the relation definition is not associated with the parent
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* managed object's definition.
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* @throws ManagedObjectNotFoundException
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* If the parent managed object could not be found.
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* @throws LdapException
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* If any other error occurs.
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*/
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public abstract <C extends ConfigurationClient, S extends Configuration> String[] listManagedObjects(
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ManagedObjectPath<?, ?> parent, InstantiableRelationDefinition<C, S> rd,
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AbstractManagedObjectDefinition<? extends C, ? extends S> d) throws ManagedObjectNotFoundException,
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LdapException;
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/**
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* Lists the child managed objects of the named parent managed object which
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* are a sub-type of the specified managed object definition.
|
*
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* @param <C>
|
* The type of client managed object configuration that the
|
* relation definition refers to.
|
* @param <S>
|
* The type of server managed object configuration that the
|
* relation definition refers to.
|
* @param parent
|
* The path of the parent managed object.
|
* @param rd
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* The set relation definition.
|
* @param d
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* The managed object definition.
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* @return Returns the names of the child managed objects which are a
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* sub-type of the specified managed object definition.
|
* @throws IllegalArgumentException
|
* If the relation definition is not associated with the parent
|
* managed object's definition.
|
* @throws ManagedObjectNotFoundException
|
* If the parent managed object could not be found.
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* @throws LdapException
|
* If any other error occurs.
|
*/
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public abstract <C extends ConfigurationClient, S extends Configuration> String[] listManagedObjects(
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ManagedObjectPath<?, ?> parent, SetRelationDefinition<C, S> rd,
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AbstractManagedObjectDefinition<? extends C, ? extends S> d) throws ManagedObjectNotFoundException,
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LdapException;
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/**
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* Determines whether or not the named managed object exists.
|
* <p>
|
* Implementations should always return <code>true</code> when the provided
|
* path is empty.
|
*
|
* @param path
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* The path of the named managed object.
|
* @return Returns <code>true</code> if the named managed object exists,
|
* <code>false</code> otherwise.
|
* @throws ManagedObjectNotFoundException
|
* If the parent managed object could not be found.
|
* @throws LdapException
|
* If any other error occurs.
|
*/
|
public abstract boolean managedObjectExists(ManagedObjectPath<?, ?> path) throws ManagedObjectNotFoundException,
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LdapException;
|
|
/**
|
* Deletes the named managed object.
|
* <p>
|
* Implementations do not need check whether the named managed object
|
* exists, nor do they need to enforce client constraints.
|
*
|
* @param <C>
|
* The type of client managed object configuration that the
|
* relation definition refers to.
|
* @param <S>
|
* The type of server managed object configuration that the
|
* relation definition refers to.
|
* @param path
|
* The path of the managed object to be deleted.
|
* @throws OperationRejectedException
|
* If the managed object cannot be removed due to some
|
* server-side constraint which cannot be satisfied (for
|
* example, if it is referenced by another managed object).
|
* @throws LdapException
|
* If any other error occurs.
|
*/
|
protected abstract <C extends ConfigurationClient, S extends Configuration> void deleteManagedObject(
|
ManagedObjectPath<C, S> path) throws OperationRejectedException, LdapException;
|
|
/**
|
* Gets the default values for the specified property.
|
*
|
* @param <P>
|
* The type of the property.
|
* @param p
|
* The managed object path of the current managed object.
|
* @param pd
|
* The property definition.
|
* @param isCreate
|
* Indicates whether the managed object has been created yet.
|
* @return Returns the default values for the specified property.
|
* @throws PropertyException
|
* If the default values could not be retrieved or decoded
|
* properly.
|
*/
|
protected final <P> Collection<P> findDefaultValues(ManagedObjectPath<?, ?> p, PropertyDefinition<P> pd,
|
boolean isCreate) {
|
DefaultValueFinder<P> v = new DefaultValueFinder<P>(p, isCreate);
|
return v.find(p, pd);
|
}
|
|
/**
|
* Gets the management context associated with this driver.
|
*
|
* @return Returns the management context associated with this driver.
|
*/
|
protected abstract ManagementContext getManagementContext();
|
|
/**
|
* Validate that a relation definition belongs to the managed object
|
* referenced by the provided path.
|
*
|
* @param path
|
* The parent managed object path.
|
* @param rd
|
* The relation definition.
|
* @throws IllegalArgumentException
|
* If the relation definition does not belong to the managed
|
* object definition.
|
*/
|
protected final void validateRelationDefinition(ManagedObjectPath<?, ?> path, RelationDefinition<?, ?> rd) {
|
AbstractManagedObjectDefinition<?, ?> d = path.getManagedObjectDefinition();
|
RelationDefinition<?, ?> tmp = d.getRelationDefinition(rd.getName());
|
if (tmp != rd) {
|
throw new IllegalArgumentException("The relation " + rd.getName() + " is not associated with a "
|
+ d.getName());
|
}
|
}
|
|
// Remove a managed object, first ensuring that the parent exists,
|
// then ensuring that the child exists, before ensuring that any
|
// constraints are satisfied.
|
private <C extends ConfigurationClient, S extends Configuration> boolean doDeleteManagedObject(
|
ManagedObjectPath<C, S> path) throws ManagedObjectNotFoundException, OperationRejectedException,
|
LdapException {
|
// First make sure that the parent exists.
|
if (!managedObjectExists(path.parent())) {
|
throw new ManagedObjectNotFoundException();
|
}
|
|
// Make sure that the targeted managed object exists.
|
if (!managedObjectExists(path)) {
|
return false;
|
}
|
|
// The targeted managed object is guaranteed to exist, so enforce
|
// any constraints.
|
AbstractManagedObjectDefinition<?, ?> d = path.getManagedObjectDefinition();
|
List<LocalizableMessage> messages = new LinkedList<LocalizableMessage>();
|
boolean isAcceptable = true;
|
|
for (Constraint constraint : d.getAllConstraints()) {
|
for (ClientConstraintHandler handler : constraint.getClientConstraintHandlers()) {
|
ManagementContext context = getManagementContext();
|
if (!handler.isDeleteAcceptable(context, path, messages)) {
|
isAcceptable = false;
|
}
|
}
|
if (!isAcceptable) {
|
break;
|
}
|
}
|
|
if (!isAcceptable) {
|
throw new OperationRejectedException(OperationType.DELETE, d.getUserFriendlyName(), messages);
|
}
|
|
deleteManagedObject(path);
|
return true;
|
}
|
|
}
|
