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30 day Evaluation License registered to hlship@comcast.net Your 30 day evaluation period has expired. Please visit http://www.cenqua.com to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
ContextAsset.java | 50% | 90% | 100% | 86.7% |
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1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.tapestry.asset; | |
16 | ||
17 | import java.io.InputStream; | |
18 | import java.net.URL; | |
19 | ||
20 | import org.apache.hivemind.ApplicationRuntimeException; | |
21 | import org.apache.hivemind.Location; | |
22 | import org.apache.hivemind.Resource; | |
23 | import org.apache.hivemind.util.Defense; | |
24 | import org.apache.tapestry.IAsset; | |
25 | import org.apache.tapestry.IRequestCycle; | |
26 | import org.apache.tapestry.Tapestry; | |
27 | ||
28 | /** | |
29 | * An asset whose path is relative to the {@link javax.servlet.ServletContext}containing the | |
30 | * application. | |
31 | * | |
32 | * @author Howard Lewis Ship | |
33 | */ | |
34 | ||
35 | public class ContextAsset extends AbstractAsset implements IAsset | |
36 | { | |
37 | private String _contextPath; | |
38 | ||
39 | private String _resolvedURL; | |
40 | ||
41 | 6 | public ContextAsset(String contextPath, Resource resource, Location location) |
42 | { | |
43 | 6 | super(resource, location); |
44 | ||
45 | 6 | Defense.notNull(contextPath, "contextPath"); |
46 | ||
47 | 6 | _contextPath = contextPath; |
48 | } | |
49 | ||
50 | /** | |
51 | * Generates a URL for the client to retrieve the asset. The context path is prepended to the | |
52 | * asset path, which means that assets deployed inside web applications will still work (if | |
53 | * things are configured properly). | |
54 | */ | |
55 | ||
56 | 5 | public String buildURL(IRequestCycle cycle) |
57 | { | |
58 | 5 | if (_resolvedURL == null) |
59 | 5 | _resolvedURL = _contextPath + getResourceLocation().getPath(); |
60 | ||
61 | 5 | return _resolvedURL; |
62 | } | |
63 | ||
64 | 1 | public InputStream getResourceAsStream(IRequestCycle cycle) |
65 | { | |
66 | 1 | try |
67 | { | |
68 | 1 | URL url = getResourceLocation().getResourceURL(); |
69 | ||
70 | 1 | return url.openStream(); |
71 | } | |
72 | catch (Exception ex) | |
73 | { | |
74 | 0 | throw new ApplicationRuntimeException(Tapestry.format( |
75 | "ContextAsset.resource-missing", | |
76 | getResourceLocation()), ex); | |
77 | } | |
78 | } | |
79 | } |
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