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 Logger log = Logger.getLogger(RenderKitFactoryImpl.class.getName());
41
42 private Map<String, RenderKit> _renderkits = new HashMap<String, RenderKit>();
43
44 public RenderKitFactoryImpl()
45 {
46 }
47
48 public void purgeRenderKit()
49 {
50 _renderkits.clear();
51 }
52
53 @Override
54 public void addRenderKit(String renderKitId, RenderKit renderKit)
55 {
56 if (renderKitId == null)
57 {
58 throw new NullPointerException("renderKitId");
59 }
60 if (renderKit == null)
61 {
62 throw new NullPointerException("renderKit");
63 }
64 if (log.isLoggable(Level.INFO))
65 {
66 if (_renderkits.containsKey(renderKitId))
67 {
68 log.info("RenderKit with renderKitId '" + renderKitId + "' was replaced.");
69 }
70 }
71 _renderkits.put(renderKitId, renderKit);
72 }
73
74 @Override
75 public RenderKit getRenderKit(FacesContext context, String renderKitId) throws FacesException
76 {
77 if (renderKitId == null)
78 {
79 throw new NullPointerException("renderKitId");
80 }
81 RenderKit renderkit = _renderkits.get(renderKitId);
82 if (renderkit == null)
83 {
84 // throw new IllegalArgumentException("Unknown RenderKit '" + renderKitId + "'.");
85 // JSF Spec API Doc says:
86 // "If there is no registered RenderKit for the specified identifier, return null"
87 // vs "IllegalArgumentException - if no RenderKit instance can be returned for the specified identifier"
88 // First sentence is more precise, so we just log a warning
89 log.warning("Unknown RenderKit '" + renderKitId + "'.");
90 }
91 return renderkit;
92 }
93
94 @Override
95 public Iterator<String> getRenderKitIds()
96 {
97 return _renderkits.keySet().iterator();
98 }
99 }