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org.apache.jetspeed.capabilities.impl.CapabilityCustomizerValveImpl |
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1 | /* |
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2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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3 | * contributor license agreements. See the NOTICE file distributed with |
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4 | * this work for additional information regarding copyright ownership. |
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5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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6 | * (the "License"); you may not use this file except in compliance with |
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7 | * the License. You may obtain a copy of the License at |
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8 | * |
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9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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10 | * |
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11 | * Unless required by applicable law or agreed to in writing, software |
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12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 | * See the License for the specific language governing permissions and |
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15 | * limitations under the License. |
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16 | */ |
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17 | ||
18 | package org.apache.jetspeed.capabilities.impl; |
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19 | ||
20 | import java.util.Map; |
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21 | import java.util.Iterator; |
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22 | ||
23 | import org.apache.commons.logging.Log; |
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24 | import org.apache.commons.logging.LogFactory; |
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25 | ||
26 | import org.apache.jetspeed.capabilities.Capabilities; |
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27 | import org.apache.jetspeed.capabilities.CapabilityMap; |
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28 | import org.apache.jetspeed.capabilities.MediaType; |
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29 | import org.apache.jetspeed.capabilities.Client; |
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30 | import org.apache.jetspeed.pipeline.PipelineException; |
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31 | import org.apache.jetspeed.pipeline.valve.AbstractValve; |
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32 | import org.apache.jetspeed.pipeline.valve.ValveContext; |
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33 | import org.apache.jetspeed.request.RequestContext; |
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34 | ||
35 | /** |
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36 | * Invokes the capability customizer in the request pipeline |
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37 | * |
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38 | * @author <a href="mailto:woonsan@apache.org">Woonsan Ko</a> |
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39 | * @version $Id: CapabilityCustomizerValveImpl.java 517719 2007-03-13 15:05:48Z ate $ |
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40 | */ |
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41 | public class CapabilityCustomizerValveImpl extends AbstractValve |
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42 | { |
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43 | ||
44 | 0 | private static final Log log = LogFactory.getLog(CapabilityCustomizerValveImpl.class); |
45 | ||
46 | private Capabilities capabilities; |
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47 | private Map clientToMediaTypeMap; |
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48 | ||
49 | public CapabilityCustomizerValveImpl( Capabilities capabilities, Map clientToMediaTypeMap ) |
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50 | 0 | { |
51 | 0 | this.capabilities = capabilities; |
52 | 0 | this.clientToMediaTypeMap = clientToMediaTypeMap; |
53 | 0 | } |
54 | ||
55 | /** |
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56 | * Initialize the valve before using in a pipeline. |
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57 | */ |
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58 | public void initialize() throws PipelineException |
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59 | { |
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60 | ||
61 | 0 | } |
62 | ||
63 | public void invoke( RequestContext request, ValveContext context ) throws PipelineException |
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64 | { |
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65 | 0 | CapabilityMap cm = request.getCapabilityMap(); |
66 | ||
67 | 0 | if (cm != null && this.clientToMediaTypeMap != class="keyword">null) |
68 | { |
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69 | 0 | Client client = cm.getClient(); |
70 | 0 | String mediaTypeName = (String) this.clientToMediaTypeMap.get(client.getName()); |
71 | ||
72 | 0 | if (mediaTypeName != null) |
73 | { |
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74 | 0 | MediaType mediaType = this.capabilities.getMediaType(mediaTypeName); |
75 | 0 | cm.setPreferredMediaType(mediaType); |
76 | 0 | request.setMediaType(mediaTypeName); |
77 | } |
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78 | } |
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79 | ||
80 | // Pass control to the next Valve in the Pipeline |
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81 | 0 | context.invokeNext(request); |
82 | 0 | } |
83 | ||
84 | public String toString() |
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85 | { |
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86 | 0 | return "CapabilityCustomizerValveImpl"; |
87 | } |
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88 | } |
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