Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
IfToken |
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1 | // Copyright 2004, 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.script; | |
16 | ||
17 | import org.apache.hivemind.Location; | |
18 | ||
19 | /** | |
20 | * A conditional portion of the generated script. | |
21 | * | |
22 | * @author Howard Lewis Ship | |
23 | * @since 1.0.1 | |
24 | */ | |
25 | ||
26 | class IfToken extends AbstractToken | |
27 | { | |
28 | ||
29 | private boolean _condition; | |
30 | ||
31 | private String _expression; | |
32 | ||
33 | IfToken(boolean condition, String expression, Location location) | |
34 | { | |
35 | 0 | super(location); |
36 | ||
37 | 0 | _condition = condition; |
38 | 0 | _expression = expression; |
39 | 0 | } |
40 | ||
41 | private boolean evaluate(ScriptSession session) | |
42 | { | |
43 | 0 | return evaluateBoolean(_expression, session); |
44 | } | |
45 | ||
46 | public void write(StringBuffer buffer, ScriptSession session) | |
47 | { | |
48 | 0 | if (evaluate(session) == _condition) writeChildren(buffer, session); |
49 | 0 | } |
50 | } |