Classes in this File | Line Coverage | Branch Coverage | Complexity | |||||||
InvokeEngineTerminator |
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| 1.0;1 |
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.io.IOException; |
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18 | ||
19 | import org.apache.tapestry.Constants; |
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20 | import org.apache.tapestry.IEngine; |
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21 | import org.apache.tapestry.services.EngineManager; |
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22 | import org.apache.tapestry.services.Infrastructure; |
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23 | import org.apache.tapestry.services.WebRequestServicer; |
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24 | import org.apache.tapestry.web.WebRequest; |
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25 | import org.apache.tapestry.web.WebResponse; |
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26 | ||
27 | /** |
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28 | * The terminatior for the <code>tapestry.RequestProcessor</code> pipeline, this service is |
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29 | * responsible for: |
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30 | * <ul> |
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31 | * <li>Locating the correct engine instance and letting it to the rest of the request. |
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32 | * <li>Returning the engine instance to the pool at the end of the request. </ul> |
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33 | * |
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34 | * @author Howard Lewis Ship |
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35 | * @since 4.0 |
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36 | */ |
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37 | 0 | public class InvokeEngineTerminator implements WebRequestServicer |
38 | { |
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39 | private EngineManager _engineManager; |
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40 | ||
41 | private Infrastructure _infrastructure; |
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42 | ||
43 | public void service(WebRequest request, WebResponse response) throws IOException |
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44 | { |
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45 | 0 | IEngine engine = _engineManager.getEngineInstance(); |
46 | ||
47 | // Until we can inject the infrastructure into the engine |
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48 | // we do this to let the engine know about it. |
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49 | ||
50 | 0 | request.setAttribute(Constants.INFRASTRUCTURE_KEY, _infrastructure); |
51 | ||
52 | try |
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53 | { |
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54 | 0 | engine.service(request, response); |
55 | } |
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56 | finally |
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57 | { |
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58 | 0 | _engineManager.storeEngineInstance(engine); |
59 | 0 | } |
60 | ||
61 | 0 | } |
62 | ||
63 | public void setEngineManager(EngineManager manager) |
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64 | { |
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65 | 0 | _engineManager = manager; |
66 | 0 | } |
67 | ||
68 | public void setInfrastructure(Infrastructure infrastructure) |
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69 | { |
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70 | 0 | _infrastructure = infrastructure; |
71 | 0 | } |
72 | } |