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1
11 package org.eclipse.equinox.http.registry.internal;
12
13 import java.util.*;
14 import javax.servlet.Servlet  ;
15 import javax.servlet.ServletException ;
16 import org.eclipse.core.runtime.IContributor;
17 import org.eclipse.core.runtime.IExtensionRegistry;
18 import org.osgi.framework.*;
19 import org.osgi.service.http.*;
20 import org.osgi.service.packageadmin.PackageAdmin;
21
22 public class HttpRegistryManager {
23
24 class ResourcesContribution {
25 String alias;
26 String baseName;
27 String httpContextId;
28 IContributor contributor;
29
30 public ResourcesContribution(String alias, String baseName, String httpContextId, IContributor contributor) {
31 this.alias = alias;
32 this.baseName = baseName;
33 this.httpContextId = httpContextId;
34 this.contributor = contributor;
35 }
36 }
37
38 class ServletContribution {
39 String alias;
40 Servlet servlet;
41 Dictionary initparams;
42 String httpContextId;
43 IContributor contributor;
44
45 public ServletContribution(String alias, Servlet servlet, Dictionary initparams, String httpContextId, IContributor contributor) {
46 this.alias = alias;
47 this.servlet = servlet;
48 this.initparams = initparams;
49 this.httpContextId = httpContextId;
50 this.contributor = contributor;
51 }
52 }
53
54 class HttpContextContribution {
55 HttpContext context;
56 IContributor contributor;
57
58 public HttpContextContribution(HttpContext context, IContributor contributor) {
59 this.context = context;
60 this.contributor = contributor;
61 }
62 }
63
64 private HttpContextManager httpContextManager;
65 private ServletManager servletManager;
66 private ResourceManager resourceManager;
67 private HttpService httpService;
68 private PackageAdmin packageAdmin;
69 private Map contexts = new HashMap();
70 private Map servlets = new HashMap();
71 private Map resources = new HashMap();
72 private Set registered = new HashSet();
73
74 public HttpRegistryManager(ServiceReference reference, HttpService httpService, PackageAdmin packageAdmin, IExtensionRegistry registry) {
75 this.httpService = httpService;
76 this.packageAdmin = packageAdmin;
77
78 httpContextManager = new HttpContextManager(this, registry);
79 servletManager = new ServletManager(this, reference, registry);
80 resourceManager = new ResourceManager(this, reference, registry);
81 }
82
83 public void start() {
84 httpContextManager.start();
85 servletManager.start();
86 resourceManager.start();
87 }
88
89 public void stop() {
90 resourceManager.stop();
91 servletManager.stop();
92 httpContextManager.stop();
93 }
94
95 public synchronized boolean addResourcesContribution(String alias, String baseName, String httpContextId, IContributor contributor) {
96 if (resources.containsKey(alias) || servlets.containsKey(alias))
97 return false;
99 ResourcesContribution contribution = new ResourcesContribution(alias, baseName, httpContextId, contributor);
100 resources.put(alias, contribution);
101 if (httpContextId == null || contexts.containsKey(httpContextId))
102 registerResources(contribution);
103
104 return true;
105 }
106
107 public synchronized boolean addServletContribution(String alias, Servlet servlet, Dictionary initparams, String httpContextId, IContributor contributor) {
108 if (resources.containsKey(alias) || servlets.containsKey(alias))
109 return false;
111 ServletContribution contribution = new ServletContribution(alias, servlet, initparams, httpContextId, contributor);
112 servlets.put(alias, contribution);
113 if (httpContextId == null || contexts.containsKey(httpContextId))
114 registerServlet(contribution);
115
116 return true;
117 }
118
119 public synchronized void removeContribution(String alias) {
120 resources.remove(alias);
121 servlets.remove(alias);
122 unregister(alias);
123 }
124
125 public synchronized HttpContext getHttpContext(String httpContextId, Bundle bundle) {
126 HttpContextContribution contribution = (HttpContextContribution) contexts.get(httpContextId);
127 if (contribution == null)
128 return null;
129
130 if (System.getSecurityManager() != null) {
131 Bundle httpContextBundle = getBundle(contribution.contributor);
132 AdminPermission resourcePermission = new AdminPermission(httpContextBundle, "resource"); if (!bundle.hasPermission(resourcePermission))
134 return null;
135 }
136 return contribution.context;
137 }
138
139 public synchronized boolean addHttpContextContribution(String httpContextId, HttpContext context, IContributor contributor) {
140 if (contexts.containsKey(httpContextId))
141 return false;
143 contexts.put(httpContextId, new HttpContextContribution(context, contributor));
144 for (Iterator it = resources.values().iterator(); it.hasNext();) {
145 ResourcesContribution contribution = (ResourcesContribution) it.next();
146 if (httpContextId.equals(contribution.httpContextId))
147 registerResources(contribution);
148 }
149
150 for (Iterator it = servlets.values().iterator(); it.hasNext();) {
151 ServletContribution contribution = (ServletContribution) it.next();
152 if (httpContextId.equals(contribution.httpContextId))
153 registerServlet(contribution);
154 }
155 return true;
156 }
157
158 public synchronized void removeHttpContextContribution(String httpContextId) {
159 if (contexts.remove(httpContextId) != null) {
160 for (Iterator it = resources.values().iterator(); it.hasNext();) {
161 ResourcesContribution contribution = (ResourcesContribution) it.next();
162 if (httpContextId.equals(contribution.httpContextId))
163 unregister(contribution.alias);
164 }
165
166 for (Iterator it = servlets.values().iterator(); it.hasNext();) {
167 ServletContribution contribution = (ServletContribution) it.next();
168 if (httpContextId.equals(contribution.httpContextId))
169 unregister(contribution.alias);
170 }
171 }
172 }
173
174 public DefaultRegistryHttpContext createDefaultRegistryHttpContext() {
175 HttpContext defaultContext = httpService.createDefaultHttpContext();
176 return new DefaultRegistryHttpContext(defaultContext);
177 }
178
179 public Bundle getBundle(IContributor contributor) {
180 return getBundle(contributor.getName());
181 }
182
183 public Bundle getBundle(String symbolicName) {
184 Bundle[] bundles = packageAdmin.getBundles(symbolicName, null);
185 if (bundles == null)
186 return null;
187 for (int i = 0; i < bundles.length; i++) {
189 if ((bundles[i].getState() & (Bundle.INSTALLED | Bundle.UNINSTALLED)) == 0) {
190 return bundles[i];
191 }
192 }
193 return null;
194 }
195
196 private void registerResources(ResourcesContribution contribution) {
197 HttpContext context = getHttpContext(contribution.httpContextId, contribution.contributor);
198 if (context == null)
199 return;
200 try {
201 httpService.registerResources(contribution.alias, contribution.baseName, context);
202 registered.add(contribution.alias);
203 } catch (NamespaceException e) {
204 e.printStackTrace();
206 }
207 }
208
209 private void registerServlet(ServletContribution contribution) {
210 HttpContext context = getHttpContext(contribution.httpContextId, contribution.contributor);
211 if (context == null)
212 return;
213 try {
214 httpService.registerServlet(contribution.alias, contribution.servlet, contribution.initparams, context);
215 registered.add(contribution.alias);
216 } catch (NamespaceException e) {
217 e.printStackTrace();
219 } catch (ServletException e) {
220 e.printStackTrace();
222 }
223 }
224
225 private void unregister(String alias) {
226 if (registered.remove(alias))
227 httpService.unregister(alias);
228 }
229
230 private HttpContext getHttpContext(String httpContextId, IContributor contributor) {
231 if (httpContextId == null) {
232 DefaultRegistryHttpContext defaultContext = createDefaultRegistryHttpContext();
233 defaultContext.addResourceMapping(getBundle(contributor), null);
234 return defaultContext;
235 }
236
237 HttpContextContribution contribution = (HttpContextContribution) contexts.get(httpContextId);
238 if (System.getSecurityManager() != null) {
239 Bundle contributorBundle = getBundle(contributor);
240 Bundle httpContextBundle = getBundle(contribution.contributor);
241 AdminPermission resourcePermission = new AdminPermission(httpContextBundle, "resource"); if (!contributorBundle.hasPermission(resourcePermission))
243 return null;
244 }
245 return contribution.context;
246 }
247 }
248 |
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