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 org.apache.commons.logging.Log;
22 import org.apache.commons.logging.LogFactory;
23
24 import javax.faces.FacesException;
25 import javax.faces.context.FacesContext;
26 import javax.faces.render.RenderKit;
27 import javax.faces.render.RenderKitFactory;
28 import java.util.HashMap;
29 import java.util.Iterator;
30 import java.util.Map;
31
32 /**
33 * RenderKitFactory implementation as defined in Spec. JSF.7.3
34 * @author Manfred Geiler (latest modification by $Author: skitching $)
35 * @version $Revision: 684465 $ $Date: 2008-08-10 06:38:21 -0500 (Sun, 10 Aug 2008) $
36 */
37 public class RenderKitFactoryImpl
38 extends RenderKitFactory
39 {
40 private static final Log log = LogFactory.getLog(RenderKitFactoryImpl.class);
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 public void addRenderKit(String renderKitId, RenderKit renderKit)
54 {
55 if (renderKitId == null) throw new NullPointerException("renderKitId");
56 if (renderKit == null) throw new NullPointerException("renderKit");
57 if (log.isInfoEnabled())
58 {
59 if (_renderkits.containsKey(renderKitId))
60 {
61 log.info("RenderKit with renderKitId '" + renderKitId + "' was replaced.");
62 }
63 }
64 _renderkits.put(renderKitId, renderKit);
65 }
66
67
68 public RenderKit getRenderKit(FacesContext context, String renderKitId)
69 throws FacesException
70 {
71 if (renderKitId == null) throw new NullPointerException("renderKitId");
72 RenderKit renderkit = _renderkits.get(renderKitId);
73 if (renderkit == null)
74 {
75 //throw new IllegalArgumentException("Unknown RenderKit '" + renderKitId + "'.");
76 //JSF Spec API Doc says:
77 // "If there is no registered RenderKit for the specified identifier, return null"
78 // vs "IllegalArgumentException - if no RenderKit instance can be returned for the specified identifier"
79 //First sentence is more precise, so we just log a warning
80 log.warn("Unknown RenderKit '" + renderKitId + "'.");
81 }
82 return renderkit;
83 }
84
85
86 public Iterator<String> getRenderKitIds()
87 {
88 return _renderkits.keySet().iterator();
89 }
90 }