Source code: com/sun/facelets/compiler/TextInstruction.java
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
18 import java.io.IOException;
19 import java.util.List;
20
21 import javax.el.ELContext;
22 import javax.el.ELException;
23 import javax.el.ExpressionFactory;
24
25 import javax.faces.context.FacesContext;
26 import javax.faces.context.ResponseWriter;
27
28 import com.sun.facelets.el.ELAdaptor;
29 import com.sun.facelets.el.ELText;
30
31 final class TextInstruction implements Instruction {
32 private final ELText txt;
33
34 private final String alias;
35
36 public TextInstruction(String alias, ELText txt) {
37 this.alias = alias;
38 this.txt = txt;
39 }
40
41 public void write(FacesContext context) throws IOException {
42 ResponseWriter out = context.getResponseWriter();
43 try {
44 ELContext elContext = ELAdaptor.getELContext(context);
45 txt.writeText(out, elContext);
46 //out.writeText(txt.toString(elContext), null);
47 } catch (ELException e) {
48 throw new ELException(this.alias + ": " + e.getMessage(), e.getCause());
49 } catch (Exception e) {
50 throw new ELException(this.alias + ": " + e.getMessage(), e);
51 }
52 }
53
54
55 public Instruction apply(ExpressionFactory factory, ELContext ctx) {
56 ELText nt = this.txt.apply(factory, ctx);
57 if (nt == this.txt) {
58 return this;
59 }
60
61 return new TextInstruction(alias, nt);
62 }
63
64 public boolean isLiteral() {
65 return txt.isLiteral();
66 }
67 }