Classes in this File | Line Coverage | Branch Coverage | Complexity | |||||||
NamedClassStateObjectFactory |
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| 1.75;1.75 |
1 | // Copyright 2005 The Apache Software Foundation |
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2 | // |
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3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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4 | // you may not use this file except in compliance with the License. |
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5 | // You may obtain a copy of the License at |
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6 | // |
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7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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8 | // |
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9 | // Unless required by applicable law or agreed to in writing, software |
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10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 | // See the License for the specific language governing permissions and |
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13 | // limitations under the License. |
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14 | ||
15 | package org.apache.tapestry.engine.state; |
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16 | ||
17 | import org.apache.hivemind.ApplicationRuntimeException; |
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18 | import org.apache.hivemind.ClassResolver; |
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19 | import org.apache.hivemind.impl.BaseLocatable; |
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20 | ||
21 | /** |
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22 | * Used to instantiate the a state object from a configurable class name. |
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23 | * |
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24 | * @author Howard M. Lewis Ship |
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25 | * @since 4.0 |
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26 | */ |
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27 | 2 | public class NamedClassStateObjectFactory extends BaseLocatable implements |
28 | StateObjectFactory |
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29 | { |
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30 | ||
31 | private ClassResolver _classResolver; |
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32 | ||
33 | private String _className; |
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34 | ||
35 | public Object createStateObject() |
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36 | { |
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37 | try |
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38 | { |
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39 | 2 | Class c = _classResolver.findClass(_className); |
40 | ||
41 | 2 | return c.newInstance(); |
42 | } |
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43 | 1 | catch (Exception ex) |
44 | { |
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45 | 1 | throw new ApplicationRuntimeException(StateMessages |
46 | .unableToInstantiateObject(_className, ex), getLocation(), |
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47 | ex); |
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48 | } |
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49 | } |
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50 | ||
51 | public void setClassName(String className) |
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52 | { |
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53 | 2 | _className = className; |
54 | 2 | } |
55 | ||
56 | public String getClassName() |
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57 | { |
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58 | 0 | return _className; |
59 | } |
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60 | ||
61 | public void setClassResolver(ClassResolver classResolver) |
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62 | { |
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63 | 2 | _classResolver = classResolver; |
64 | 2 | } |
65 | ||
66 | } |