KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > tapestry > describe > RenderBridge


1 // Copyright 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.tapestry.describe;
16
17 import org.apache.hivemind.util.Defense;
18 import org.apache.tapestry.IMarkupWriter;
19 import org.apache.tapestry.IRender;
20 import org.apache.tapestry.IRequestCycle;
21
22 /**
23  * Implements {@link IRender} for a particular object by delegating to a
24  * {@link org.apache.tapestry.describe.RenderStrategy}.
25  *
26  * @author Howard M. Lewis Ship
27  * @since 4.0
28  */
29 public class RenderBridge implements IRender
30 {
31     private Object JavaDoc _object;
32
33     private RenderStrategy _strategy;
34
35     public RenderBridge(Object JavaDoc object, RenderStrategy strategy)
36     {
37         Defense.notNull(strategy, "strategy");
38
39         _object = object;
40         _strategy = strategy;
41     }
42
43     public void render(IMarkupWriter writer, IRequestCycle cycle)
44     {
45         _strategy.renderObject(_object, writer, cycle);
46     }
47 }
Popular Tags