/*
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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 2012-2013 ForgeRock AS.
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*/
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package org.forgerock.opendj.rest2ldap;
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import static org.forgerock.opendj.rest2ldap.Utils.toLowerCase;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import org.forgerock.json.fluent.JsonPointer;
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import org.forgerock.json.fluent.JsonValue;
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import org.forgerock.json.resource.ResourceException;
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import org.forgerock.json.resource.ResultHandler;
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import org.forgerock.opendj.ldap.Attribute;
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import org.forgerock.opendj.ldap.Entry;
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import org.forgerock.opendj.ldap.Filter;
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/**
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* An attribute mapper which maps a single JSON attribute to the result of
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* another attribute mapper.
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*/
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final class ComplexAttributeMapper extends AttributeMapper {
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private final String jsonAttributeName;
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private final AttributeMapper mapper;
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private final String normalizedJsonAttributeName;
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/**
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* Creates a new complex attribute mapper which will wrap the results of the
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* provided mapper as a complex JSON object.
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*
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* @param jsonAttributeName
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* The name of the complex attribute.
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* @param mapper
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* The mapper which should be used to provide the contents of the
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* complex attribute.
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*/
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ComplexAttributeMapper(final String jsonAttributeName, final AttributeMapper mapper) {
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this.jsonAttributeName = jsonAttributeName;
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this.mapper = mapper;
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this.normalizedJsonAttributeName = toLowerCase(jsonAttributeName);
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}
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@Override
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void getLDAPAttributes(final Context c, final JsonPointer jsonAttribute,
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final Set<String> ldapAttributes) {
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if (jsonAttribute.isEmpty() || matches(jsonAttribute)) {
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final JsonPointer relativePointer = jsonAttribute.relativePointer();
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mapper.getLDAPAttributes(c, relativePointer, ldapAttributes);
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}
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}
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@Override
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void getLDAPFilter(final Context c, final FilterType type, final JsonPointer jsonAttribute,
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final String operator, final Object valueAssertion, final ResultHandler<Filter> h) {
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if (matches(jsonAttribute)) {
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final JsonPointer relativePointer = jsonAttribute.relativePointer();
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mapper.getLDAPFilter(c, type, relativePointer, operator, valueAssertion, h);
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} else {
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// This attribute mapper cannot handle the provided filter component.
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h.handleResult(null);
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}
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}
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@Override
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void toJSON(final Context c, final Entry e, final ResultHandler<Map<String, Object>> h) {
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final ResultHandler<Map<String, Object>> wrapper =
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new ResultHandler<Map<String, Object>>() {
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@Override
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public void handleError(final ResourceException e) {
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h.handleError(e);
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}
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@Override
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public void handleResult(final Map<String, Object> result) {
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final Map<String, Object> complexResult =
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Collections.singletonMap(jsonAttributeName, (Object) result);
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h.handleResult(complexResult);
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}
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};
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mapper.toJSON(c, e, wrapper);
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}
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@Override
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void toLDAP(final Context c, final JsonValue v, final ResultHandler<List<Attribute>> h) {
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// TODO Auto-generated method stub
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}
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private boolean matches(final JsonPointer jsonAttribute) {
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return !jsonAttribute.isEmpty()
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&& toLowerCase(jsonAttribute.get(0)).equals(normalizedJsonAttributeName);
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}
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}
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