1 /*
2 * $Id: PortletRequestDelegate.java 1066849 2011-02-03 16:12:39Z apetrelli $
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21 package org.apache.tiles.request.portlet.delegate;
22
23 import java.util.Map;
24
25 import javax.portlet.PortletRequest;
26
27 import org.apache.tiles.request.collection.ReadOnlyEnumerationMap;
28 import org.apache.tiles.request.portlet.extractor.ParameterExtractor;
29
30 /**
31 * Request delegate in case of simple Portlet request.
32 *
33 * @version $Rev: 1066849 $ $Date: 2011-02-04 03:12:39 +1100 (Fri, 04 Feb 2011) $
34 */
35 public class PortletRequestDelegate implements RequestDelegate {
36
37 /**
38 * The request.
39 */
40 private PortletRequest request;
41
42 /**
43 * <p>The lazily instantiated <code>Map</code> of request
44 * parameter name-value.</p>
45 */
46 private Map<String, String> param = null;
47
48 /**
49 * <p>The lazily instantiated <code>Map</code> of request
50 * parameter name-values.</p>
51 */
52 private Map<String, String[]> paramValues = null;
53
54 /**
55 * Constructor.
56 *
57 * @param request The request.
58 */
59 public PortletRequestDelegate(PortletRequest request) {
60 this.request = request;
61 }
62
63 /** {@inheritDoc} */
64 public Map<String, String> getParam() {
65 if ((param == null) && (request != null)) {
66 param = new ReadOnlyEnumerationMap<String>(new ParameterExtractor(request));
67 }
68 return (param);
69 }
70
71 /** {@inheritDoc} */
72 public Map<String, String[]> getParamValues() {
73 if ((paramValues == null) && (request != null)) {
74 paramValues = request.getParameterMap();
75 }
76 return (paramValues);
77 }
78 }