blob: 907f88c70dc0e6783868b0e4295beee46be54f31 (
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
|
/*******************************************************************************
* Copyright (c) 2005 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.core.internal.registry.osgi;
import java.io.File;
import org.eclipse.core.internal.registry.IRegistryConstants;
import org.eclipse.core.internal.runtime.RuntimeLog;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.osgi.service.datalocation.Location;
import org.eclipse.osgi.service.resolver.PlatformAdmin;
/**
* The registry strategy used by the Equinox extension registry. Adds to the OSGi registry:
* - Use debug information supplied via .options files
* - Use Eclipse logging
* - Use Eclipse platform state for cache validation
* - Supplied alternative cache location (primarily used with shared installs)
*
* @since org.eclipse.equinox.registry 3.2
*/
public class EquinoxRegistryStrategy extends RegistryStrategyOSGI {
public static final String PLUGIN_NAME = "org.eclipse.equinox.registry"; //$NON-NLS-1$
public static final String OPTION_DEBUG = PLUGIN_NAME + "/debug"; //$NON-NLS-1$
public static final String OPTION_DEBUG_EVENTS = PLUGIN_NAME + "/debug/events"; //$NON-NLS-1$
private static boolean DEBUG_ECLIPSE_REGISTRY = OSGIUtils.getDefault().getBooleanDebugOption(OPTION_DEBUG, false);
private static boolean DEBUG_ECLIPSE_EVENTS = OSGIUtils.getDefault().getBooleanDebugOption(OPTION_DEBUG_EVENTS, false);
public EquinoxRegistryStrategy(File theStorageDir, boolean cacheReadOnly, Object key) {
super(theStorageDir, cacheReadOnly, key);
}
public boolean debug() {
return DEBUG_ECLIPSE_REGISTRY;
}
public boolean debugRegistryEvents() {
return DEBUG_ECLIPSE_EVENTS;
}
public final void log(IStatus status) {
RuntimeLog.log(status);
}
public long cacheComputeState() {
PlatformAdmin admin = OSGIUtils.getDefault().getPlatformAdmin();
return admin == null ? -1 : admin.getState(false).getTimeStamp();
}
// Eclipse extension registry cache can be found in one of the two locations:
// a) in the local configuration area (standard location passed in by the platform)
// b) in the shared configuration area (typically, shared install is used)
public File cacheAlternativeLocation() {
// In debug be careful of LocationManager.computeSharedConfigurationLocation
// and PROP_SHARED_CONFIG_AREA = "osgi.sharedConfiguration.area" - it
// seems to work differently comparing to stand-alone execution.
Location currentLocation = OSGIUtils.getDefault().getConfigurationLocation();
if (currentLocation == null)
return null;
Location parentLocation = currentLocation.getParentLocation();
if (parentLocation == null)
return null;
String theRegistryLocation = parentLocation.getURL().getFile() + '/' + IRegistryConstants.RUNTIME_NAME;
return new File(theRegistryLocation);
}
}
|
