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1
11 package org.eclipse.equinox.http.registry.internal;
12
13 import java.io.IOException  ;
14 import java.net.URL ;
15 import java.util.*;
16 import javax.servlet.http.HttpServletRequest ;
17 import javax.servlet.http.HttpServletResponse ;
18 import org.osgi.framework.Bundle;
19 import org.osgi.service.http.HttpContext;
20
21 public class DefaultRegistryHttpContext implements HttpContext {
22 private HttpContext delegate;
23 private List resourceMappings;
24 private Properties mimeMappings;
25
26 public DefaultRegistryHttpContext(HttpContext delegate) {
27 this.delegate = delegate;
28 }
29
30 public void addResourceMapping(Bundle contributingBundle, String path) {
31 if (resourceMappings == null)
32 resourceMappings = new ArrayList();
33
34 resourceMappings.add(new ResourceMapping(contributingBundle, path));
35 }
36
37 public void addMimeMapping(String mimeExtension, String mimeType) {
38 if (mimeMappings == null)
39 mimeMappings = new Properties();
40
41 mimeMappings.put(mimeExtension, mimeType);
42 }
43
44 public String getMimeType(String name) {
45 if (mimeMappings != null) {
46 int dotIndex = name.lastIndexOf('.');
47 if (dotIndex != -1) {
48 String mimeExtension = name.substring(dotIndex + 1);
49 String mimeType = mimeMappings.getProperty(mimeExtension);
50 if (mimeType != null)
51 return mimeType;
52 }
53 }
54 return delegate.getMimeType(name);
55 }
56
57 public boolean handleSecurity(HttpServletRequest arg0, HttpServletResponse arg1) throws IOException {
58 return delegate.handleSecurity(arg0, arg1);
59 }
60
61 public URL getResource(String name) {
62 if (resourceMappings == null)
63 return null;
64
65 for (Iterator it = resourceMappings.iterator(); it.hasNext();) {
66 ResourceMapping mapping = (ResourceMapping) it.next();
67 URL resourceURL = mapping.getResource(name);
68 if (resourceURL != null)
69 return resourceURL;
70 }
71 return null;
72 }
73
74 public Set getResourcePaths(String path) {
75 if (resourceMappings == null || path == null || !path.startsWith("/")) return null;
77
78 Set result = null;
79 for (Iterator it = resourceMappings.iterator(); it.hasNext();) {
80 ResourceMapping mapping = (ResourceMapping) it.next();
81 Set resourcePaths = mapping.getResourcePaths(path);
82 if (resourcePaths != null) {
83 if (result == null)
84 result = new HashSet();
85 result.addAll(resourcePaths);
86 }
87 }
88 return result;
89 }
90
91 public static class ResourceMapping {
92 private Bundle bundle;
93 private String bundlePath;
94
95 public ResourceMapping(Bundle bundle, String path) {
96 this.bundle = bundle;
97 if (path != null) {
98 if (path.endsWith("/")) path = path.substring(0, path.length() - 1);
100
101 if (path.length() == 0)
102 path = null;
103 }
104 this.bundlePath = path;
105 }
106
107 public URL getResource(String resourceName) {
108 if (bundlePath != null)
109 resourceName = bundlePath + resourceName;
110
111 int lastSlash = resourceName.lastIndexOf('/');
112 if (lastSlash == -1)
113 return null;
114
115 String path = resourceName.substring(0, lastSlash);
116 if (path.length() == 0)
117 path = "/"; String file = resourceName.substring(lastSlash + 1);
119 Enumeration entryPaths = bundle.findEntries(path, file, false);
120
121 if (entryPaths != null && entryPaths.hasMoreElements())
122 return (URL ) entryPaths.nextElement();
123
124 return null;
125 }
126
127 public Set getResourcePaths(String path) {
128 if (bundlePath != null)
129 path = bundlePath + path;
130
131 Enumeration entryPaths = bundle.findEntries(path, null, false);
132 if (entryPaths == null)
133 return null;
134
135 Set result = new HashSet();
136 while (entryPaths.hasMoreElements()) {
137 URL entryURL = (URL ) entryPaths.nextElement();
138 String entryPath = entryURL.getFile();
139
140 if (bundlePath == null)
141 result.add(entryPath);
142 else
143 result.add(entryPath.substring(bundlePath.length()));
144 }
145 return result;
146 }
147 }
148 } |
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