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16 package org.apache.myfaces.renderkit.html;
17
18 import org.apache.commons.logging.Log;
19 import org.apache.commons.logging.LogFactory;
20
21 import javax.faces.context.ResponseStream;
22 import javax.faces.context.ResponseWriter;
23 import javax.faces.render.RenderKit;
24 import javax.faces.render.Renderer;
25 import javax.faces.render.ResponseStateManager;
26 import java.io.OutputStream  ;
27 import java.io.Writer ;
28 import java.util.HashMap ;
29 import java.util.Map ;
30 import java.util.StringTokenizer ;
31
32
33
37 public class HtmlRenderKitImpl
38 extends RenderKit
39 {
40 private static final Log log = LogFactory.getLog(HtmlRenderKitImpl.class);
41
42
44 private Map _renderers;
45 private ResponseStateManager _responseStateManager;
46
47
49 public HtmlRenderKitImpl()
50 {
51 _renderers = new HashMap ();
52 _responseStateManager = new HtmlResponseStateManager();
53 }
54
55
57 private String key(String componentFamily, String rendererType)
58 {
59 return componentFamily + "." + rendererType;
60 }
61
62 public Renderer getRenderer(String componentFamily, String rendererType)
63 {
64 Renderer renderer = (Renderer) _renderers.get(key(componentFamily, rendererType));
65 if (renderer == null)
66 {
67 log.warn("Unsupported component-family/renderer-type: " + componentFamily + "/" + rendererType);
68 }
69 return renderer;
70 }
71
72 public void addRenderer(String componentFamily, String rendererType, Renderer renderer)
73 {
74 _renderers.put(key(componentFamily, rendererType), renderer);
75 }
76
77 public ResponseStateManager getResponseStateManager()
78 {
79 return _responseStateManager;
80 }
81
82 public ResponseWriter createResponseWriter(Writer writer,
83 String contentTypeList,
84 String characterEncoding)
85 {
86 if (contentTypeList == null)
87 {
88 if (log.isInfoEnabled()) log.debug("No content type list given, creating HtmlResponseWriterImpl with default content type.");
89 return new HtmlResponseWriterImpl(writer, null, characterEncoding);
90 }
91
92 StringTokenizer st = new StringTokenizer (contentTypeList, ",");
93 while (st.hasMoreTokens())
94 {
95 String contentType = st.nextToken().trim();
96 if (HtmlResponseWriterImpl.supportsContentType(contentType))
97 {
98 return new HtmlResponseWriterImpl(writer, contentType, characterEncoding);
99 }
100 }
101
102 throw new IllegalArgumentException ("ContentTypeList does not contain a supported content type: " + contentTypeList);
103 }
104
105 public ResponseStream createResponseStream(OutputStream outputstream)
106 {
107 throw new UnsupportedOperationException (this.getClass().getName() + " UnsupportedOperationException");
108 }
109 }
110 |
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