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Java > Open Source Codes > com > sun > facelets > compiler > CommentInstruction


1 /**
2  * Licensed under the Common Development and Distribution License,
3  * you may not use this file except in compliance with the License.
4  * You may obtain a copy of the License at
5  *
6  * http://www.sun.com/cddl/
7  *
8  * Unless required by applicable law or agreed to in writing, software
9  * distributed under the License is distributed on an "AS IS" BASIS,
10  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
11  * implied. See the License for the specific language governing
12  * permissions and limitations under the License.
13  */
14
15 package com.sun.facelets.compiler;
16
17 import java.io.IOException JavaDoc;
18 import java.util.List JavaDoc;
19
20 import javax.el.ELContext;
21 import javax.el.ExpressionFactory;
22
23 import javax.faces.context.FacesContext;
24 import javax.faces.context.ResponseWriter;
25
26 import com.sun.facelets.el.ELAdaptor;
27 import com.sun.facelets.el.ELText;
28
29 final class CommentInstruction implements Instruction {
30     private final ELText text;
31
32     public CommentInstruction(ELText text) {
33         this.text = text;
34     }
35
36     public void write(FacesContext context) throws IOException JavaDoc {
37         ELContext elContext = ELAdaptor.getELContext(context);
38         context.getResponseWriter().writeComment(this.text.toString(elContext));
39     }
40
41     public Instruction apply(ExpressionFactory factory, ELContext ctx) {
42         ELText t = this.text.apply(factory, ctx);
43         return new CommentInstruction(t);
44     }
45
46     public boolean isLiteral() {
47         return false;
48     }
49 }
50
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