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30 day Evaluation License registered to hlship@comcast.net Your 30 day evaluation period has expired. Please visit http://www.cenqua.com to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
InputSymbolRule.java | 100% | 92.9% | 100% | 94.7% |
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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.ClassResolver; | |
18 | import org.apache.hivemind.HiveMind; | |
19 | import org.apache.tapestry.Tapestry; | |
20 | import org.apache.tapestry.util.xml.BaseRule; | |
21 | import org.apache.tapestry.util.xml.DocumentParseException; | |
22 | import org.apache.tapestry.util.xml.RuleDirectedParser; | |
23 | import org.xml.sax.Attributes; | |
24 | ||
25 | /** | |
26 | * Constructs an {@link org.apache.tapestry.script.InputSymbolToken}from an <input-symbol> | |
27 | * element. | |
28 | * | |
29 | * @author Howard Lewis Ship | |
30 | * @since 3.0 | |
31 | */ | |
32 | class InputSymbolRule extends BaseRule | |
33 | { | |
34 | private ClassResolver _resolver; | |
35 | ||
36 | 16 | public InputSymbolRule(ClassResolver resolver) |
37 | { | |
38 | 16 | _resolver = resolver; |
39 | } | |
40 | ||
41 | 4 | public void startElement(RuleDirectedParser parser, Attributes attributes) |
42 | { | |
43 | 4 | String key = getAttribute(attributes, "key"); |
44 | ||
45 | 4 | parser.validate(key, Tapestry.SIMPLE_PROPERTY_NAME_PATTERN, "ScriptParser.invalid-key"); |
46 | ||
47 | 4 | String className = getAttribute(attributes, "class"); |
48 | 4 | Class expectedClass = lookupClass(parser, className); |
49 | ||
50 | 4 | String required = getAttribute(attributes, "required"); |
51 | ||
52 | 4 | InputSymbolToken token = new InputSymbolToken(key, expectedClass, required.equals("yes"), |
53 | parser.getLocation()); | |
54 | ||
55 | 4 | IScriptToken parent = (IScriptToken) parser.peek(); |
56 | 4 | parent.addToken(token); |
57 | } | |
58 | ||
59 | 4 | private Class lookupClass(RuleDirectedParser parser, String className) |
60 | { | |
61 | 4 | if (HiveMind.isBlank(className)) |
62 | 1 | return null; |
63 | ||
64 | 3 | try |
65 | { | |
66 | 3 | return _resolver.findClass(className); |
67 | } | |
68 | catch (Exception ex) | |
69 | { | |
70 | 0 | throw new DocumentParseException(Tapestry.format( |
71 | "ScriptParser.unable-to-resolve-class", | |
72 | className), parser.getLocation(), ex); | |
73 | } | |
74 | } | |
75 | } |
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