%line | %branch | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
org.apache.commons.jelly.tags.core.ExprTag |
|
|
1 | /* |
|
2 | * Copyright 2002,2004 The Apache Software Foundation. |
|
3 | * |
|
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
|
5 | * you may not use this file except in compliance with the License. |
|
6 | * You may obtain a copy of the License at |
|
7 | * |
|
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
|
9 | * |
|
10 | * Unless required by applicable law or agreed to in writing, software |
|
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
|
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
13 | * See the License for the specific language governing permissions and |
|
14 | * limitations under the License. |
|
15 | */ |
|
16 | package org.apache.commons.jelly.tags.core; |
|
17 | ||
18 | import org.apache.commons.jelly.JellyTagException; |
|
19 | import org.apache.commons.jelly.TagSupport; |
|
20 | import org.apache.commons.jelly.XMLOutput; |
|
21 | import org.apache.commons.jelly.expression.Expression; |
|
22 | import org.xml.sax.SAXException; |
|
23 | ||
24 | /** A tag which evaluates an expression |
|
25 | * |
|
26 | * @tag out |
|
27 | * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
|
28 | * @version $Revision: 1.16 $ |
|
29 | */ |
|
30 | public class ExprTag extends TagSupport { |
|
31 | ||
32 | /** The expression to evaluate. */ |
|
33 | private Expression value; |
|
34 | ||
35 | 6 | public ExprTag() { |
36 | 6 | } |
37 | ||
38 | // Tag interface |
|
39 | //------------------------------------------------------------------------- |
|
40 | public void doTag(XMLOutput output) throws JellyTagException { |
|
41 | 6 | if (value != null) { |
42 | 6 | String text = value.evaluateAsString(context); |
43 | 6 | if (text != null) { |
44 | ||
45 | try { |
|
46 | 6 | output.write(text); |
47 | 6 | } |
48 | catch (SAXException e) { |
|
49 | 0 | throw new JellyTagException("could not write the XMLOutput",e); |
50 | } |
|
51 | } |
|
52 | } |
|
53 | 6 | } |
54 | ||
55 | // Properties |
|
56 | //------------------------------------------------------------------------- |
|
57 | ||
58 | /** |
|
59 | * Sets the Jexl expression to evaluate. |
|
60 | * |
|
61 | * @required true |
|
62 | */ |
|
63 | public void setValue(Expression value) { |
|
64 | 6 | this.value = value; |
65 | 6 | } |
66 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |