Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
EngineManagerImpl |
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| 1.2;1.2 |
1 | // Copyright 2004, 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.services.impl; |
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16 | ||
17 | import java.util.Locale; |
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18 | ||
19 | import org.apache.tapestry.IEngine; |
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20 | import org.apache.tapestry.services.EngineFactory; |
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21 | import org.apache.tapestry.services.EngineManager; |
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22 | import org.apache.tapestry.services.ObjectPool; |
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23 | import org.apache.tapestry.services.RequestLocaleManager; |
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24 | ||
25 | /** |
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26 | * Implementation of service {@link org.apache.tapestry.services.EngineManager}. |
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27 | * Service point tapestry.request.EngineManager. |
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28 | * |
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29 | * @author Howard Lewis Ship |
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30 | * @since 4.0 |
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31 | */ |
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32 | 3 | public class EngineManagerImpl implements EngineManager |
33 | { |
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34 | private ObjectPool _enginePool; |
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35 | ||
36 | private EngineFactory _engineFactory; |
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37 | ||
38 | private RequestLocaleManager _localeManager; |
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39 | ||
40 | public IEngine getEngineInstance() |
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41 | { |
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42 | 2 | Locale locale = _localeManager.extractLocaleForCurrentRequest(); |
43 | ||
44 | 2 | IEngine result = (IEngine) _enginePool.get(locale); |
45 | ||
46 | // This happens when either the pool is empty, or when a session exists |
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47 | // but the engine has not been stored into it (which should never happen, and |
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48 | // probably indicates an error in the framework or the application). |
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49 | ||
50 | 2 | if (result == null) |
51 | 1 | result = _engineFactory.constructNewEngineInstance(locale); |
52 | ||
53 | 2 | return result; |
54 | } |
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55 | ||
56 | public void storeEngineInstance(IEngine engine) |
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57 | { |
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58 | 1 | _enginePool.store(engine.getLocale(), engine); |
59 | 1 | } |
60 | ||
61 | public void setEngineFactory(EngineFactory factory) |
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62 | { |
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63 | 1 | _engineFactory = factory; |
64 | 1 | } |
65 | ||
66 | public void setEnginePool(ObjectPool pool) |
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67 | { |
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68 | 3 | _enginePool = pool; |
69 | 3 | } |
70 | ||
71 | public void setLocaleManager(RequestLocaleManager manager) |
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72 | { |
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73 | 2 | _localeManager = manager; |
74 | 2 | } |
75 | } |