/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions copyright [year] [name of copyright owner]".
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*
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* Copyright 2016 ForgeRock AS.
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*
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*/
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package org.forgerock.opendj.rest2ldap;
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import static org.forgerock.opendj.rest2ldap.Rest2ldapMessages.ERR_UNRECOGNIZED_SUB_RESOURCE_TYPE;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.LocalizedIllegalArgumentException;
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import org.forgerock.json.resource.BadRequestException;
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import org.forgerock.json.resource.NotFoundException;
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import org.forgerock.json.resource.RequestHandler;
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import org.forgerock.json.resource.ResourceException;
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import org.forgerock.json.resource.Router;
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import org.forgerock.opendj.ldap.DN;
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import org.forgerock.services.context.Context;
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import org.forgerock.util.Function;
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/**
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* Defines a parent-child relationship between a parent resource and one or more child resource(s). Removal of the
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* parent resource implies that the children (the sub-resources) are also removed. There are two types of
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* sub-resource:
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* <ul>
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* <li>{@link SubResourceSingleton} represents a one-to-one relationship supporting read, update, patch, and action
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* requests</li>
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* <li>{@link SubResourceCollection} represents a one-to-many relationship supporting all requests.</li>
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* </ul>
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*/
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public abstract class SubResource {
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private final String resourceId;
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private DnTemplate dnTemplate;
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String urlTemplate = "";
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String dnTemplateString = "";
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boolean isReadOnly = false;
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Rest2Ldap rest2Ldap;
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Resource resource;
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SubResource(final String resourceId) {
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this.resourceId = resourceId;
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}
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@Override
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public final boolean equals(final Object o) {
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return this == o || (o instanceof SubResource && urlTemplate.equals(((SubResource) o).urlTemplate));
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}
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@Override
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public final int hashCode() {
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return urlTemplate.hashCode();
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}
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@Override
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public final String toString() {
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return urlTemplate;
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}
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final Resource getResource() {
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return resource;
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}
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final void build(final Rest2Ldap rest2Ldap, final String parent) {
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this.rest2Ldap = rest2Ldap;
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this.resource = rest2Ldap.getResource(resourceId);
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if (resource == null) {
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throw new LocalizedIllegalArgumentException(ERR_UNRECOGNIZED_SUB_RESOURCE_TYPE.get(parent, resourceId));
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}
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this.dnTemplate = DnTemplate.compileRelative(dnTemplateString);
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}
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abstract Router addRoutes(Router router);
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/** A 404 indicates that this instance is not also a collection, so return a more helpful message. */
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static <T> Function<ResourceException, T, ResourceException> convert404To400(final LocalizableMessage msg) {
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return new Function<ResourceException, T, ResourceException>() {
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@Override
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public T apply(final ResourceException e) throws ResourceException {
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if (e instanceof NotFoundException) {
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throw new BadRequestException(msg.toString());
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}
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throw e;
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}
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};
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}
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final RequestHandler readOnly(final RequestHandler handler) {
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return isReadOnly ? new ReadOnlyRequestHandler(handler) : handler;
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}
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final DN dnFrom(final Context context) {
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return dnTemplate.format(context);
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}
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final RequestHandler subResourceRouterFrom(final RoutingContext context) {
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return context.getType().getSubResourceRouter();
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}
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}
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