Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
NamedClassStateObjectFactory |
|
| 1.75;1.75 |
1 | // Copyright 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.engine.state; | |
16 | ||
17 | import org.apache.hivemind.ApplicationRuntimeException; | |
18 | import org.apache.hivemind.ClassResolver; | |
19 | import org.apache.hivemind.impl.BaseLocatable; | |
20 | ||
21 | /** | |
22 | * Used to instantiate the a state object from a configurable class name. | |
23 | * | |
24 | * @author Howard M. Lewis Ship | |
25 | * @since 4.0 | |
26 | */ | |
27 | 0 | public class NamedClassStateObjectFactory extends BaseLocatable implements |
28 | StateObjectFactory | |
29 | { | |
30 | ||
31 | private ClassResolver _classResolver; | |
32 | ||
33 | private String _className; | |
34 | ||
35 | public Object createStateObject() | |
36 | { | |
37 | try | |
38 | { | |
39 | 0 | Class c = _classResolver.findClass(_className); |
40 | ||
41 | 0 | return c.newInstance(); |
42 | } | |
43 | 0 | catch (Exception ex) |
44 | { | |
45 | 0 | throw new ApplicationRuntimeException(StateMessages |
46 | .unableToInstantiateObject(_className, ex), getLocation(), | |
47 | ex); | |
48 | } | |
49 | } | |
50 | ||
51 | public void setClassName(String className) | |
52 | { | |
53 | 0 | _className = className; |
54 | 0 | } |
55 | ||
56 | public String getClassName() | |
57 | { | |
58 | 0 | return _className; |
59 | } | |
60 | ||
61 | public void setClassResolver(ClassResolver classResolver) | |
62 | { | |
63 | 0 | _classResolver = classResolver; |
64 | 0 | } |
65 | ||
66 | } |