/*

  * $Id: PortletRequestDelegate.java 1066849 2011-02-03 16:12:39Z apetrelli $

  *

  * 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.tiles.request.portlet.delegate;

 import java.util.Map;

 import javax.portlet.PortletRequest;

 import org.apache.tiles.request.collection.ReadOnlyEnumerationMap;

 import org.apache.tiles.request.portlet.extractor.ParameterExtractor;

 /**

  * Request delegate in case of simple Portlet request.

  *

  * @version $Rev: 1066849 $ $Date: 2011-02-04 03:12:39 +1100 (Fri, 04 Feb 2011) $

  */

 public class PortletRequestDelegate implements RequestDelegate {

     /**

      * The request.

      */

     private PortletRequest request;

     /**

      * <p>The lazily instantiated <code>Map</code> of request

      * parameter name-value.</p>

      */

     private Map<String, String> param = null;

     /**

      * <p>The lazily instantiated <code>Map</code> of request

      * parameter name-values.</p>

      */

     private Map<String, String[]> paramValues = null;

     /**

      * Constructor.

      *

      * @param request The request.

      */

     public PortletRequestDelegate(PortletRequest request) {

         this.request = request;

     }

     /** {@inheritDoc} */

     public Map<String, String> getParam() {

         if ((param == null) && (request != null)) {

             param = new ReadOnlyEnumerationMap<String>(new ParameterExtractor(request));

         }

         return (param);

     }

     /** {@inheritDoc} */

     public Map<String, String[]> getParamValues() {

         if ((paramValues == null) && (request != null)) {

             paramValues = request.getParameterMap();

         }

         return (paramValues);

     }

 }