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comparison org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/Activator.d @ 78:0a55d2d5a946

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Added file for databinding
author Frank Benoit <benoit@tionex.de>
date Tue, 14 Apr 2009 11:35:29 +0200
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children 6be48cf9f95c
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76:f05e6e8b2f2d 78:0a55d2d5a946
1 /*******************************************************************************
2 * Copyright (c) 2007 Tom Schindl and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * Tom Schindl - initial API and implementation
10 ******************************************************************************/
11
12 module org.eclipse.core.internal.databinding.Activator;
13
14 import java.lang.all;
15
16 import java.util.ArrayList;
17
18 import org.eclipse.core.databinding.util.ILogger;
19 import org.eclipse.core.databinding.util.Policy;
20 import org.eclipse.core.runtime.CoreException;
21 import org.eclipse.core.runtime.IStatus;
22 import org.eclipse.osgi.framework.log.FrameworkLog;
23 import org.eclipse.osgi.framework.log.FrameworkLogEntry;
24 import org.osgi.framework.BundleActivator;
25 import org.osgi.framework.BundleContext;
26 import org.osgi.util.tracker.ServiceTracker;
27
28 /**
29 * @since 3.3
30 *
31 */
32 public class Activator : BundleActivator {
33 /**
34 * The plug-in ID
35 */
36 public static final String PLUGIN_ID = "org.eclipse.core.databinding"; //$NON-NLS-1$
37
38 private /+volatile+/ static ServiceTracker _frameworkLogTracker;
39
40 /**
41 * The constructor
42 */
43 public this() {
44 }
45
46 public void start(BundleContext context) {
47 _frameworkLogTracker = new ServiceTracker(context, FrameworkLog.classinfo.getName(), null);
48 _frameworkLogTracker.open();
49
50 Policy.setLog(new class() ILogger {
51
52 public void log(IStatus status) {
53 ServiceTracker frameworkLogTracker = _frameworkLogTracker;
54 FrameworkLog log = frameworkLogTracker is null ? null : cast(FrameworkLog) frameworkLogTracker.getService();
55 if (log !is null) {
56 log.log(createLogEntry(status));
57 } else {
58 // fall back to System.err
59 System.err.println(status.getPlugin() + " - " + status.getCode() + " - " + status.getMessage()); //$NON-NLS-1$//$NON-NLS-2$
60 if( status.getException() !is null ) {
61 status.getException().printStackTrace(System.err);
62 }
63 }
64 }
65
66 });
67 }
68
69 // Code copied from PlatformLogWriter.getLog(). Why is logging an IStatus so
70 // hard?
71 FrameworkLogEntry createLogEntry(IStatus status) {
72 Throwable t = status.getException();
73 ArrayList childlist = new ArrayList();
74
75 int stackCode = null !is cast(CoreException )t ? 1 : 0;
76 // ensure a substatus inside a CoreException is properly logged
77 if (stackCode is 1) {
78 IStatus coreStatus = (cast(CoreException) t).getStatus();
79 if (coreStatus !is null) {
80 childlist.add(createLogEntry(coreStatus));
81 }
82 }
83
84 if (status.isMultiStatus()) {
85 IStatus[] children = status.getChildren();
86 for (int i = 0; i < children.length; i++) {
87 childlist.add(createLogEntry(children[i]));
88 }
89 }
90
91 FrameworkLogEntry[] children = cast(FrameworkLogEntry[]) (childlist.size() is 0 ? null : childlist.toArray(new FrameworkLogEntry[childlist.size()]));
92
93 return new FrameworkLogEntry(status.getPlugin(), status.getSeverity(), status.getCode(), status.getMessage(), stackCode, t, children);
94 }
95
96
97 public void stop(BundleContext context) {
98 if (_frameworkLogTracker !is null) {
99 _frameworkLogTracker.close();
100 _frameworkLogTracker = null;
101 }
102 }
103
104 }