Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
InsertToken |
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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 java.io.Writer; | |
18 | import java.util.Map; | |
19 | ||
20 | import org.apache.hivemind.Location; | |
21 | ||
22 | /** | |
23 | * A token that writes the value of a property using a property path routed in | |
24 | * the symbols.. | |
25 | * | |
26 | * @author Howard Lewis Ship | |
27 | */ | |
28 | ||
29 | class InsertToken extends AbstractToken | |
30 | { | |
31 | ||
32 | private String _expression; | |
33 | ||
34 | InsertToken(String expression, Location location) | |
35 | { | |
36 | 0 | super(location); |
37 | ||
38 | 0 | _expression = expression; |
39 | 0 | } |
40 | ||
41 | /** | |
42 | * Gets the named symbol from the symbols {@link Map}, verifies that it is | |
43 | * a String, and writes it to the {@link Writer}. | |
44 | */ | |
45 | ||
46 | public void write(StringBuffer buffer, ScriptSession session) | |
47 | { | |
48 | 0 | Object value = evaluate(_expression, session); |
49 | ||
50 | 0 | if (value != null) buffer.append(value); |
51 | 0 | } |
52 | ||
53 | public void addToken(IScriptToken token) | |
54 | { | |
55 | // Should never be invoked. | |
56 | 0 | } |
57 | ||
58 | } |