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1
12 package org.eclipse.equinox.http.servlet.internal;
13
14 import java.io.*;
15 import java.lang.reflect.Method  ;
16 import java.net.URL ;
17 import java.security.*;
18 import java.util.*;
19 import javax.servlet.*;
20 import org.osgi.service.http.HttpContext;
21
22 public class ServletContextAdaptor implements ServletContext {
23
24 private ServletContext servletContext;
25 HttpContext httpContext;
26 private AccessControlContext acc;
27 private ProxyContext proxyContext;
28
29 public ServletContextAdaptor(ProxyContext proxyContext, ServletContext servletContext, HttpContext httpContext, AccessControlContext acc) {
30 this.servletContext = servletContext;
31 this.httpContext = httpContext;
32 this.acc = acc;
33 this.proxyContext = proxyContext;
34 }
35
36
44 public Set getResourcePaths(String name) {
45 if (name == null || !name.startsWith("/")) return null;
47 try {
48 Method getResourcePathsMethod = httpContext.getClass().getMethod("getResourcePaths", new Class [] {String .class}); if (!getResourcePathsMethod.isAccessible())
50 getResourcePathsMethod.setAccessible(true);
51 return (Set) getResourcePathsMethod.invoke(httpContext, new Object [] {name});
52 } catch (Exception e) {
53 }
55 return null;
56 }
57
58 public Object getAttribute(String attributeName) {
59 Dictionary attributes = proxyContext.getContextAttributes(httpContext);
60 return attributes.get(attributeName);
61 }
62
63 public Enumeration getAttributeNames() {
64 Dictionary attributes = proxyContext.getContextAttributes(httpContext);
65 return attributes.keys();
66 }
67
68 public void setAttribute(String attributeName, Object attributeValue) {
69 Dictionary attributes = proxyContext.getContextAttributes(httpContext);
70 attributes.put(attributeName, attributeValue);
71 }
72
73 public void removeAttribute(String attributeName) {
74 Dictionary attributes = proxyContext.getContextAttributes(httpContext);
75 attributes.remove(attributeName);
76 }
77
78 public String getMimeType(String name) {
79 String mimeType = httpContext.getMimeType(name);
80 return (mimeType != null) ? mimeType : servletContext.getMimeType(name);
81 }
82
83 public URL getResource(final String name) {
84 try {
85 return (URL ) AccessController.doPrivileged(new PrivilegedExceptionAction() {
86 public Object run() throws Exception {
87 return httpContext.getResource(name);
88 }
89 }, acc);
90 } catch (PrivilegedActionException e) {
91 log(e.getException().getMessage(), e.getException());
92 }
93 return null;
94 }
95
96 public InputStream getResourceAsStream(String name) {
97 URL url = getResource(name);
98 if (url != null) {
99 try {
100 return url.openStream();
101 } catch (IOException e) {
102 log("Error opening stream for resource '" + name + "'", e); }
104 }
105 return null;
106 }
107
108 public ServletContext getContext(String arg0) {
109 return servletContext.getContext(arg0);
110 }
111
112 public String getInitParameter(String arg0) {
113 return servletContext.getInitParameter(arg0);
114 }
115
116 public Enumeration getInitParameterNames() {
117 return servletContext.getInitParameterNames();
118 }
119
120 public int getMajorVersion() {
121 return servletContext.getMajorVersion();
122 }
123
124 public int getMinorVersion() {
125 return servletContext.getMinorVersion();
126 }
127
128 public RequestDispatcher getNamedDispatcher(String arg0) {
129 return new RequestDispatcherAdaptor(servletContext.getNamedDispatcher(arg0));
130 }
131
132 public String getRealPath(String arg0) {
133 return servletContext.getRealPath(arg0);
134 }
135
136 public RequestDispatcher getRequestDispatcher(String arg0) {
137 return new RequestDispatcherAdaptor(servletContext.getRequestDispatcher(proxyContext.getServletPath() + arg0));
138 }
139
140 public String getServerInfo() {
141 return servletContext.getServerInfo();
142 }
143
144
145 public Servlet getServlet(String arg0) throws ServletException {
146 return servletContext.getServlet(arg0);
147 }
148
149 public String getServletContextName() {
150 return servletContext.getServletContextName();
151 }
152
153
154 public Enumeration getServletNames() {
155 return servletContext.getServletNames();
156 }
157
158
159 public Enumeration getServlets() {
160 return servletContext.getServlets();
161 }
162
163
164 public void log(Exception arg0, String arg1) {
165 servletContext.log(arg0, arg1);
166 }
167
168 public void log(String arg0, Throwable arg1) {
169 servletContext.log(arg0, arg1);
170 }
171
172 public void log(String arg0) {
173 servletContext.log(arg0);
174 }
175
176 public String getContextPath() {
178 try {
179 Method getContextPathMethod = servletContext.getClass().getMethod("getContextPath", null); return (String ) getContextPathMethod.invoke(servletContext, null) + proxyContext.getServletPath();
181 } catch (Exception e) {
182 }
184 return null;
185 }
186 }
187 |
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