1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
|
/*******************************************************************************
* Copyright (c) 2004 Composent, Inc. and others. All rights reserved. This
* program and the accompanying materials are made available under the terms of
* the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors: Composent, Inc. - initial API and implementation
******************************************************************************/
package org.eclipse.ecf.internal.core.identity;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdapterManager;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionDelta;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.IRegistryChangeEvent;
import org.eclipse.core.runtime.IRegistryChangeListener;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.ecf.core.identity.IDFactory;
import org.eclipse.ecf.core.identity.IIDFactory;
import org.eclipse.ecf.core.identity.Namespace;
import org.eclipse.ecf.core.util.LogHelper;
import org.eclipse.ecf.core.util.PlatformHelper;
import org.eclipse.ecf.core.util.Trace;
import org.eclipse.osgi.service.debug.DebugOptions;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.log.LogService;
import org.osgi.util.tracker.ServiceTracker;
/**
* The activator class controls the plug-in life cycle
*/
public class Activator implements BundleActivator {
// The plug-in ID
public static final String PLUGIN_ID = "org.eclipse.ecf.identity"; //$NON-NLS-1$
protected static final String NAMESPACE_NAME = "namespace"; //$NON-NLS-1$
protected static final String NAMESPACE_EPOINT = PLUGIN_ID + "." //$NON-NLS-1$
+ NAMESPACE_NAME;
protected static final String NAME_ATTRIBUTE = "name"; //$NON-NLS-1$
protected static final String CLASS_ATTRIBUTE = "class"; //$NON-NLS-1$
protected static final int REMOVE_NAMESPACE_ERRORCODE = 100;
protected static final int FACTORY_NAME_COLLISION_ERRORCODE = 200;
protected static final String DESCRIPTION_ATTRIBUTE = "description"; //$NON-NLS-1$
// The shared instance
private static Activator plugin;
private BundleContext context = null;
private IRegistryChangeListener registryManager = null;
private ServiceRegistration idFactoryServiceRegistration = null;
private ServiceTracker extensionRegistryTracker = null;
private ServiceTracker debugOptionsTracker = null;
private ServiceTracker logServiceTracker = null;
private ServiceTracker adapterManagerTracker = null;
public IAdapterManager getAdapterManager() {
// First, try to get the adapter manager via
if (adapterManagerTracker == null) {
adapterManagerTracker = new ServiceTracker(this.context,
IAdapterManager.class.getName(), null);
adapterManagerTracker.open();
}
IAdapterManager adapterManager = (IAdapterManager) adapterManagerTracker
.getService();
// Then, if the service isn't there, try to get from Platform class via
// PlatformHelper class
if (adapterManager == null)
adapterManager = PlatformHelper.getPlatformAdapterManager();
if (adapterManager == null)
getDefault().log(
new Status(IStatus.ERROR, PLUGIN_ID, IStatus.ERROR,
"Cannot get adapter manager", null)); //$NON-NLS-1$
return adapterManager;
}
/**
* The constructor
*/
public Activator() {
}
public IExtensionRegistry getExtensionRegistry() {
if (extensionRegistryTracker == null) {
extensionRegistryTracker = new ServiceTracker(context,
IExtensionRegistry.class.getName(), null);
extensionRegistryTracker.open();
}
return (IExtensionRegistry) extensionRegistryTracker.getService();
}
public DebugOptions getDebugOptions() {
if (debugOptionsTracker == null) {
debugOptionsTracker = new ServiceTracker(context,
DebugOptions.class.getName(), null);
debugOptionsTracker.open();
}
return (DebugOptions) debugOptionsTracker.getService();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext)
*/
public void start(BundleContext context) throws Exception {
plugin = this;
this.context = context;
IExtensionRegistry reg = getExtensionRegistry();
if (reg != null) {
this.registryManager = new IdentityRegistryManager();
reg.addRegistryChangeListener(registryManager);
}
this.setupNamespaceExtensionPoint();
Trace
.exiting(Activator.PLUGIN_ID,
IdentityDebugOptions.METHODS_ENTERING, Activator.class,
"start"); //$NON-NLS-1$
// Register IIDFactory service
idFactoryServiceRegistration = context.registerService(IIDFactory.class
.getName(), IDFactory.getDefault(), null);
}
protected class IdentityRegistryManager implements IRegistryChangeListener {
public void registryChanged(IRegistryChangeEvent event) {
IExtensionDelta delta[] = event.getExtensionDeltas(PLUGIN_ID,
NAMESPACE_NAME);
for (int i = 0; i < delta.length; i++) {
switch (delta[i].getKind()) {
case IExtensionDelta.ADDED:
addNamespaceExtensions(delta[i].getExtension()
.getConfigurationElements());
break;
case IExtensionDelta.REMOVED:
removeNamespaceExtensions(delta[i].getExtension()
.getConfigurationElements());
break;
}
}
}
}
/**
* Remove extensions for identity namespace extension point
*
* @param members
* the members to remove
*/
protected void removeNamespaceExtensions(IConfigurationElement[] members) {
org.eclipse.ecf.core.util.Trace.entering(Activator.PLUGIN_ID,
IdentityDebugOptions.METHODS_ENTERING, Activator.class,
"removeNamespaceExtensions", members); //$NON-NLS-1$
for (int m = 0; m < members.length; m++) {
IConfigurationElement member = members[m];
String name = null;
try {
name = member.getAttribute(NAME_ATTRIBUTE);
if (name == null) {
name = member.getAttribute(CLASS_ATTRIBUTE);
}
if (name == null)
continue;
IIDFactory factory = IDFactory.getDefault();
Namespace n = factory.getNamespaceByName(name);
if (n == null || !factory.containsNamespace(n)) {
continue;
}
// remove
factory.removeNamespace(n);
org.eclipse.ecf.core.util.Trace.trace(Activator.PLUGIN_ID,
IdentityDebugOptions.DEBUG,
"removeNamespaceExtensions.removedNamespace(" //$NON-NLS-1$
+ n + ")"); //$NON-NLS-1$
} catch (Exception e) {
org.eclipse.ecf.core.util.Trace.catching(Activator.PLUGIN_ID,
IdentityDebugOptions.EXCEPTIONS_CATCHING,
Activator.class, "removeNamespaceExtensions", e); //$NON-NLS-1$
getDefault().log(
new Status(IStatus.ERROR, Activator.PLUGIN_ID,
REMOVE_NAMESPACE_ERRORCODE,
"Exception removing namespace", e)); //$NON-NLS-1$
}
}
org.eclipse.ecf.core.util.Trace.exiting(Activator.PLUGIN_ID,
IdentityDebugOptions.METHODS_EXITING, Activator.class,
"removeNamespaceExtensions", members); //$NON-NLS-1$
}
public Bundle getBundle() {
if (context == null)
return null;
else
return context.getBundle();
}
protected LogService getLogService() {
if (logServiceTracker == null) {
logServiceTracker = new ServiceTracker(this.context,
LogService.class.getName(), null);
logServiceTracker.open();
}
return (LogService) logServiceTracker.getService();
}
public void log(IStatus status) {
LogService logService = getLogService();
if (logService != null) {
logService.log(LogHelper.getLogCode(status), LogHelper
.getLogMessage(status), status.getException());
}
}
/**
* Add identity namespace extension point extensions
*
* @param members
* the members to add
*/
protected void addNamespaceExtensions(IConfigurationElement[] members) {
org.eclipse.ecf.core.util.Trace.entering(Activator.PLUGIN_ID,
IdentityDebugOptions.METHODS_ENTERING, Activator.class,
"addNamespaceExtensions", members); //$NON-NLS-1$
String bundleName = getDefault().getBundle().getSymbolicName();
for (int m = 0; m < members.length; m++) {
IConfigurationElement member = members[m];
// Get the label of the extender plugin and the ID of the
// extension.
IExtension extension = member.getDeclaringExtension();
String nsName = null;
try {
Namespace ns = (Namespace) member
.createExecutableExtension(CLASS_ATTRIBUTE);
String clazz = ns.getClass().getName();
nsName = member.getAttribute(NAME_ATTRIBUTE);
if (nsName == null) {
nsName = clazz;
}
String nsDescription = member
.getAttribute(DESCRIPTION_ATTRIBUTE);
ns.initialize(nsName, nsDescription);
org.eclipse.ecf.core.util.Trace.trace(Activator.PLUGIN_ID,
IdentityDebugOptions.DEBUG,
"addNamespaceExtensions.createdNamespace(" + ns + ")"); //$NON-NLS-1$ //$NON-NLS-2$
// Check to see if we have a namespace name collision
if (IDFactory.getDefault().containsNamespace(ns))
throw new CoreException(
new Status(
Status.ERROR,
bundleName,
FACTORY_NAME_COLLISION_ERRORCODE,
"name=" //$NON-NLS-1$
+ nsName
+ ";extension point id=" //$NON-NLS-1$
+ extension
.getExtensionPointUniqueIdentifier(),
null));
// Now add to known namespaces
IDFactory.getDefault().addNamespace(ns);
org.eclipse.ecf.core.util.Trace.trace(Activator.PLUGIN_ID,
IdentityDebugOptions.DEBUG,
"addNamespaceExtensions.addedNamespaceToFactory(" + ns //$NON-NLS-1$
+ ")"); //$NON-NLS-1$
} catch (CoreException e) {
getDefault().log(e.getStatus());
org.eclipse.ecf.core.util.Trace.catching(Activator.PLUGIN_ID,
IdentityDebugOptions.EXCEPTIONS_CATCHING,
Activator.class, "addNamespaceExtensions", e); //$NON-NLS-1$
} catch (Exception e) {
getDefault()
.log(
new Status(
Status.ERROR,
bundleName,
FACTORY_NAME_COLLISION_ERRORCODE,
"name=" //$NON-NLS-1$
+ nsName
+ ";extension point id=" //$NON-NLS-1$
+ extension
.getExtensionPointUniqueIdentifier(),
null));
org.eclipse.ecf.core.util.Trace.catching(Activator.PLUGIN_ID,
IdentityDebugOptions.EXCEPTIONS_CATCHING,
Activator.class, "addNamespaceExtensions", e); //$NON-NLS-1$
}
}
org.eclipse.ecf.core.util.Trace.exiting(Activator.PLUGIN_ID,
IdentityDebugOptions.METHODS_EXITING, Activator.class,
"addNamespaceExtensions"); //$NON-NLS-1$
}
/**
* Setup identity namespace extension point
*
*/
public void setupNamespaceExtensionPoint() {
// Process extension points
IExtensionRegistry reg = getExtensionRegistry();
if (reg != null) {
IExtensionPoint extensionPoint = reg
.getExtensionPoint(NAMESPACE_EPOINT);
if (extensionPoint == null) {
return;
}
addNamespaceExtensions(extensionPoint.getConfigurationElements());
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
*/
public void stop(BundleContext context) throws Exception {
Trace.entering(Activator.PLUGIN_ID,
IdentityDebugOptions.METHODS_EXITING, Activator.class, "stop"); //$NON-NLS-1$
IExtensionRegistry reg = getExtensionRegistry();
if (reg != null)
reg.removeRegistryChangeListener(registryManager);
registryManager = null;
plugin = null;
if (logServiceTracker != null) {
logServiceTracker.close();
logServiceTracker = null;
}
if (debugOptionsTracker != null) {
debugOptionsTracker.close();
debugOptionsTracker = null;
}
if (extensionRegistryTracker != null) {
extensionRegistryTracker.close();
extensionRegistryTracker = null;
}
if (idFactoryServiceRegistration != null) {
idFactoryServiceRegistration.unregister();
idFactoryServiceRegistration = null;
}
if (adapterManagerTracker != null) {
adapterManagerTracker.close();
adapterManagerTracker = null;
}
context = null;
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static Activator getDefault() {
return plugin;
}
}
|
