/*
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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.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 a fixed value.
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*/
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final class ConstantAttributeMapper extends AttributeMapper {
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private final String jsonAttributeName;
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private final Object jsonAttributeValue;
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/**
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* Creates a new constant attribute mapper which maps a single JSON
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* attribute to a fixed value.
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*
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* @param attributeName
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* The name of the simple JSON attribute.
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* @param attributeValue
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* The value of the simple JSON attribute.
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*/
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ConstantAttributeMapper(final String attributeName, final Object attributeValue) {
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this.jsonAttributeName = attributeName;
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this.jsonAttributeValue = attributeValue;
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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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// Nothing to do.
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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 (jsonAttribute.size() == 1 && jsonAttribute.get(0).equalsIgnoreCase(jsonAttributeName)) {
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final Filter filter;
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if (type == FilterType.PRESENT) {
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filter = c.getConfig().trueFilter();
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} else if (jsonAttributeValue instanceof String && valueAssertion instanceof String) {
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final String v1 = toLowerCase((String) jsonAttributeValue);
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final String v2 = toLowerCase((String) valueAssertion);
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switch (type) {
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case CONTAINS:
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filter =
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v1.contains(v2) ? c.getConfig().trueFilter() : c.getConfig()
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.falseFilter();
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break;
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case STARTS_WITH:
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filter =
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v1.startsWith(v2) ? c.getConfig().trueFilter() : c.getConfig()
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.falseFilter();
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break;
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default:
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filter = compare(c, type, v1, v2);
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break;
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}
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} else if (jsonAttributeValue instanceof Number && valueAssertion instanceof Number) {
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final Double v1 = ((Number) jsonAttributeValue).doubleValue();
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final Double v2 = ((Number) valueAssertion).doubleValue();
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filter = compare(c, type, v1, v2);
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} else if (jsonAttributeValue instanceof Boolean && valueAssertion instanceof Boolean) {
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final Boolean v1 = (Boolean) jsonAttributeValue;
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final Boolean v2 = (Boolean) valueAssertion;
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filter = compare(c, type, v1, v2);
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} else {
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// This attribute mapper is a candidate but it does not match.
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filter = c.getConfig().falseFilter();
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}
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h.handleResult(filter);
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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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// FIXME: how do we know if the user requested it???
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h.handleResult(Collections.singletonMap(jsonAttributeName, jsonAttributeValue));
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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 <T extends Comparable<T>> Filter compare(final Context c, final FilterType type,
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final T v1, final T v2) {
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final Filter filter;
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switch (type) {
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case EQUAL_TO:
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filter = v1.equals(v2) ? c.getConfig().trueFilter() : c.getConfig().falseFilter();
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break;
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case GREATER_THAN:
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filter =
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v1.compareTo(v2) > 0 ? c.getConfig().trueFilter() : c.getConfig().falseFilter();
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break;
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case GREATER_THAN_OR_EQUAL_TO:
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filter =
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v1.compareTo(v2) >= 0 ? c.getConfig().trueFilter() : c.getConfig()
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.falseFilter();
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break;
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case LESS_THAN:
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filter =
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v1.compareTo(v2) < 0 ? c.getConfig().trueFilter() : c.getConfig().falseFilter();
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break;
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case LESS_THAN_OR_EQUAL_TO:
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filter =
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v1.compareTo(v2) <= 0 ? c.getConfig().trueFilter() : c.getConfig()
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.falseFilter();
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break;
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default:
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filter = c.getConfig().falseFilter(); // Not supported.
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break;
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}
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return filter;
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}
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}
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