blob: b101b5b8a88671990f14db325471e29446a76d9d (
plain) (
blame)
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
|
/*******************************************************************************
* Copyright (c) 2004, 2010 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsp.core.internal;
import org.eclipse.core.resources.ISaveContext;
import org.eclipse.core.resources.ISaveParticipant;
import org.eclipse.core.resources.ISavedState;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Plugin;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jst.jsp.core.internal.contentmodel.TaglibController;
import org.eclipse.jst.jsp.core.internal.contentproperties.JSPFContentPropertiesManager;
import org.eclipse.jst.jsp.core.internal.contenttype.DeploymentDescriptorPropertyCache;
import org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister;
import org.eclipse.jst.jsp.core.internal.java.search.JSPIndexManager;
import org.eclipse.jst.jsp.core.internal.taglib.TaglibHelperManager;
import org.eclipse.jst.jsp.core.taglib.TaglibIndex;
import org.osgi.framework.BundleContext;
/**
* The main plugin class to be used in the desktop.
*/
public class JSPCorePlugin extends Plugin {
// The shared instance.
private static JSPCorePlugin plugin;
/** Save participant for this plugin */
private ISaveParticipant fSaveParticipant;
/**
* The constructor.
*/
public JSPCorePlugin() {
super();
plugin = this;
fSaveParticipant = new SaveParticipant();
}
/**
* Returns the shared instance.
*/
public static JSPCorePlugin getDefault() {
return plugin;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.core.runtime.Plugin#start(org.osgi.framework.BundleContext)
*/
public void start(BundleContext context) throws Exception {
super.start(context);
/*
* JSPIndexManager depends on TaglibController, so TaglibController
* should be started first
*/
TaglibIndex.startup();
TaglibController.startup();
// listen for classpath changes
JavaCore.addElementChangedListener(TaglibHelperManager.getInstance());
/*
* Restore save state and process any events that happened before
* plug-in loaded. Don't do it immediately since adding the save
* participant requires a lock on the workspace to compute the
* accumulated deltas, and if the tree is not already locked it
* becomes a blocking call.
*/
if (JSPTranslatorPersister.ACTIVATED) {
Job persister = new Job(JSPCoreMessages.Initializing) {
protected IStatus run(IProgressMonitor monitor) {
final IWorkspace workspace = ResourcesPlugin.getWorkspace();
try {
workspace.run(new IWorkspaceRunnable() {
public void run(IProgressMonitor monitor) throws CoreException {
ISavedState savedState = null;
try {
savedState = workspace.addSaveParticipant(getBundle().getSymbolicName(), fSaveParticipant);
}
catch (CoreException e) {
Logger.logException("Could not load previous save state", e);
}
if (savedState != null) {
try {
Thread.currentThread().setPriority(Thread.MIN_PRIORITY);
}
finally {
savedState.processResourceChangeEvents(JSPTranslatorPersister.getDefault());
}
}
}
}, monitor);
}
catch (CoreException e) {
return e.getStatus();
}
finally {
/*
* set up persister to listen to resource change
* events
*/
workspace.addResourceChangeListener(JSPTranslatorPersister.getDefault());
}
return Status.OK_STATUS;
}
};
persister.setUser(false);
persister.schedule(2000);
}
//init the JSP index
JSPIndexManager.getInstance().initialize();
// listen for resource changes to update content properties keys
JSPFContentPropertiesManager.startup();
DeploymentDescriptorPropertyCache.start();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
*/
public void stop(BundleContext context) throws Exception {
DeploymentDescriptorPropertyCache.stop();
/*
* stop listening for resource changes to update content properties
* keys
*/
JSPFContentPropertiesManager.shutdown();
//remove the plugin save participant
ResourcesPlugin.getWorkspace().removeSaveParticipant(plugin.getBundle().getSymbolicName());
//remove the translator persister
if(JSPTranslatorPersister.ACTIVATED) {
ResourcesPlugin.getWorkspace().removeResourceChangeListener(JSPTranslatorPersister.getDefault());
}
// stop any indexing
JSPIndexManager.getInstance().shutdown();
// stop listening for classpath changes
JavaCore.removeElementChangedListener(TaglibHelperManager.getInstance());
// stop taglib controller
TaglibController.shutdown();
TaglibIndex.shutdown();
super.stop(context);
}
/**
* Used so that all of the IResourceChangeEvents that occurred before
* this plugin loaded can be processed.
*/
private static class SaveParticipant implements ISaveParticipant {
/**
* <p>Default constructor</p>
*/
protected SaveParticipant() {
}
/**
* @see org.eclipse.core.resources.ISaveParticipant#doneSaving(org.eclipse.core.resources.ISaveContext)
*/
public void doneSaving(ISaveContext context) {
//ignore
}
/**
* @see org.eclipse.core.resources.ISaveParticipant#prepareToSave(org.eclipse.core.resources.ISaveContext)
*/
public void prepareToSave(ISaveContext context) throws CoreException {
//ignore
}
/**
* @see org.eclipse.core.resources.ISaveParticipant#rollback(org.eclipse.core.resources.ISaveContext)
*/
public void rollback(ISaveContext context) {
//ignore
}
/**
* @see org.eclipse.core.resources.ISaveParticipant#saving(org.eclipse.core.resources.ISaveContext)
*/
public void saving(ISaveContext context) throws CoreException {
context.needDelta();
}
}
}
|
