/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */

package org.apache.synapse.config.xml;

import org.apache.axiom.om.OMElement;
import org.apache.synapse.Mediator;
import org.apache.synapse.SynapseConstants;
import org.apache.synapse.mediators.db.DBLookupMediator;

import javax.xml.namespace.QName;
import java.util.Properties;

/**
 * Factory for {@link DBLookupMediator} instances.
 * <p>
 * Configuration syntax:
 * <pre>
 * <dblookup>
 *   <connection>
 *     <pool>
 *      (
 *       <driver/>
 *       <url/>
 *       <user/>
 *       <password/>
 *     |
 *       <dsName/>
 *       <icClass/>
 *       <url/>
 *       <user/>
 *       <password/>
 *     )
 *       <property name="name" value="value"/>*
 *     </pool>
 *   </connection>
 *   <statement>
 *     <sql>select something from table where something_else = ?</sql>
 *     <parameter [value="" | expression=""] type="int|string"/>*
 *     <result name="string" column="int|string"/>*
 *   </statement>+
 * </dblookup>
 * </pre>
 */
public class DBLookupMediatorFactory extends AbstractDBMediatorFactory {

    private static final QName DBLOOKUP_Q =
        new QName(SynapseConstants.SYNAPSE_NAMESPACE, "dblookup");

    public Mediator createSpecificMediator(OMElement elem, Properties properties) {

        DBLookupMediator mediator = new DBLookupMediator();
        processAuditStatus(mediator, elem);
        buildDataSource(elem, mediator);
        processStatements(elem, mediator);
        return mediator;
    }

    public QName getTagQName() {
        return DBLOOKUP_Q;
    }
}