Classes in this File | Line Coverage | Branch Coverage | Complexity | |||||||
PrivateAsset |
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| 1.75;1.75 |
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.asset; |
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16 | ||
17 | import org.apache.hivemind.ApplicationRuntimeException; |
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18 | import org.apache.hivemind.Location; |
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19 | import org.apache.hivemind.Resource; |
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20 | import org.apache.hivemind.util.Defense; |
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21 | import org.apache.tapestry.engine.IEngineService; |
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22 | import org.apache.tapestry.engine.ILink; |
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23 | ||
24 | import java.io.InputStream; |
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25 | import java.net.URL; |
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26 | ||
27 | /** |
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28 | * An implementation of {@link org.apache.tapestry.IAsset} for localizable assets within the JVM's |
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29 | * classpath. |
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30 | * <p> |
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31 | * The localization code here is largely cut-and-paste from {@link ContextAsset}. |
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32 | * |
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33 | * @author Howard Ship |
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34 | */ |
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35 | ||
36 | public class PrivateAsset extends AbstractAsset |
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37 | { |
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38 | private IEngineService _assetService; |
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39 | ||
40 | /** |
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41 | * @deprecated To be removed (someday). Use |
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42 | * {@link #PrivateAsset(Resource, IEngineService, Location)} instead. |
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43 | */ |
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44 | public PrivateAsset(Resource resourceLocation, Location location) |
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45 | { |
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46 | 0 | this(resourceLocation, null, location); |
47 | 0 | } |
48 | ||
49 | public PrivateAsset(Resource resourceLocation, IEngineService assetService, |
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50 | Location location) |
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51 | { |
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52 | 6 | super(resourceLocation, location); |
53 | ||
54 | 6 | Defense.notNull(assetService, "assetService"); |
55 | ||
56 | 6 | _assetService = assetService; |
57 | 6 | } |
58 | ||
59 | /** |
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60 | * Gets the localized version of the resource. Build the URL for the resource. If possible, the |
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61 | * application's {@link ExternalAsset}is located, to copy the resource to a directory |
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62 | * visible to the web server. |
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63 | */ |
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64 | ||
65 | public String buildURL() |
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66 | { |
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67 | 0 | String path = getResourceLocation().getPath(); |
68 | ||
69 | 0 | ILink link = _assetService.getLink(false, path); |
70 | ||
71 | 0 | return link.getURL(); |
72 | } |
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73 | ||
74 | public InputStream getResourceAsStream() |
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75 | { |
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76 | 0 | Resource location = getResourceLocation(); |
77 | ||
78 | try |
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79 | { |
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80 | 0 | URL url = location.getResourceURL(); |
81 | ||
82 | 0 | return url.openStream(); |
83 | } |
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84 | 0 | catch (Exception ex) |
85 | { |
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86 | 0 | throw new ApplicationRuntimeException(AssetMessages.noSuchResource(location.getPath())); |
87 | } |
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88 | } |
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89 | ||
90 | } |