1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.renderkit;
20
21 import java.util.HashMap;
22 import java.util.Iterator;
23 import java.util.Map;
24 import java.util.logging.Level;
25 import java.util.logging.Logger;
26
27 import javax.faces.FacesException;
28 import javax.faces.context.FacesContext;
29 import javax.faces.render.RenderKit;
30 import javax.faces.render.RenderKitFactory;
31
32 /**
33 * RenderKitFactory implementation as defined in Spec. JSF.7.3
34 *
35 * @author Manfred Geiler (latest modification by $Author$)
36 * @version $Revision$ $Date$
37 */
38 public class RenderKitFactoryImpl extends RenderKitFactory
39 {
40 //private static final Log log = LogFactory.getLog(RenderKitFactoryImpl.class);
41 private static final Logger log = Logger.getLogger(RenderKitFactoryImpl.class.getName());
42
43 private Map<String, RenderKit> _renderkits = new HashMap<String, RenderKit>();
44
45 public RenderKitFactoryImpl()
46 {
47 }
48
49 public void purgeRenderKit()
50 {
51 _renderkits.clear();
52 }
53
54 @Override
55 public void addRenderKit(String renderKitId, RenderKit renderKit)
56 {
57 if (renderKitId == null)
58 {
59 throw new NullPointerException("renderKitId");
60 }
61 if (renderKit == null)
62 {
63 throw new NullPointerException("renderKit");
64 }
65 if (log.isLoggable(Level.INFO))
66 {
67 if (_renderkits.containsKey(renderKitId))
68 {
69 log.info("RenderKit with renderKitId '" + renderKitId + "' was replaced.");
70 }
71 }
72 _renderkits.put(renderKitId, renderKit);
73 }
74
75 @Override
76 public RenderKit getRenderKit(FacesContext context, String renderKitId) throws FacesException
77 {
78 if (renderKitId == null)
79 {
80 throw new NullPointerException("renderKitId");
81 }
82 RenderKit renderkit = _renderkits.get(renderKitId);
83 if (renderkit == null)
84 {
85 // throw new IllegalArgumentException("Unknown RenderKit '" + renderKitId + "'.");
86 // JSF Spec API Doc says:
87 // "If there is no registered RenderKit for the specified identifier, return null"
88 // vs "IllegalArgumentException - if no RenderKit instance can be returned for the specified identifier"
89 // First sentence is more precise, so we just log a warning
90 log.warning("Unknown RenderKit '" + renderKitId + "'.");
91 }
92 return renderkit;
93 }
94
95 @Override
96 public Iterator<String> getRenderKitIds()
97 {
98 return _renderkits.keySet().iterator();
99 }
100 }