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.view.facelets.compiler;
20
21 import java.io.IOException;
22
23 import javax.el.ELContext;
24 import javax.el.ExpressionFactory;
25 import javax.faces.context.FacesContext;
26
27 import org.apache.myfaces.view.facelets.el.ELText;
28
29 final class CommentInstruction implements Instruction
30 {
31 private final ELText _text;
32
33 public CommentInstruction(ELText text)
34 {
35 _text = text;
36 }
37
38 public void write(FacesContext context) throws IOException
39 {
40 context.getResponseWriter().writeComment(_text.toString(context.getELContext()));
41 }
42
43 public Instruction apply(ExpressionFactory factory, ELContext ctx)
44 {
45 return new CommentInstruction(_text.apply(factory, ctx));
46 }
47
48 public boolean isLiteral()
49 {
50 return false;
51 }
52 }