Source Code Cross Referenced for IDEWorkbenchErrorHandler.java in  » IDE-Eclipse » ui-ide » org » eclipse » ui » internal » ide » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » IDE Eclipse » ui ide » org.eclipse.ui.internal.ide 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*******************************************************************************
002:         * Copyright (c) 2006, 2007 IBM Corporation and others.
003:         * All rights reserved. This program and the accompanying materials
004:         * are made available under the terms of the Eclipse Public License v1.0
005:         * which accompanies this distribution, and is available at
006:         * http://www.eclipse.org/legal/epl-v10.html
007:         *
008:         * Contributors:
009:         *     IBM Corporation - initial API and implementation
010:         *******************************************************************************/package org.eclipse.ui.internal.ide;
011:
012:        import org.eclipse.core.runtime.IProgressMonitor;
013:        import org.eclipse.core.runtime.IStatus;
014:        import org.eclipse.core.runtime.Status;
015:        import org.eclipse.jface.dialogs.IDialogConstants;
016:        import org.eclipse.jface.dialogs.MessageDialog;
017:        import org.eclipse.osgi.util.NLS;
018:        import org.eclipse.swt.SWTError;
019:        import org.eclipse.swt.graphics.Image;
020:        import org.eclipse.swt.widgets.Shell;
021:        import org.eclipse.ui.PlatformUI;
022:        import org.eclipse.ui.application.IWorkbenchConfigurer;
023:        import org.eclipse.ui.internal.ide.dialogs.InternalErrorDialog;
024:        import org.eclipse.ui.progress.IProgressConstants;
025:        import org.eclipse.ui.progress.UIJob;
026:        import org.eclipse.ui.statushandlers.StatusAdapter;
027:        import org.eclipse.ui.statushandlers.StatusManager;
028:        import org.eclipse.ui.statushandlers.WorkbenchErrorHandler;
029:
030:        import com.ibm.icu.text.MessageFormat;
031:
032:        /**
033:         * This is the IDE workbench error handler. The instance of this handler is
034:         * returned from {@link IDEWorkbenchAdvisor#getWorkbenchErrorHandler()}. All
035:         * handled statuses are checked against severity and logged using logging
036:         * facility (by superclass).
037:         * 
038:         * @since 3.3
039:         */
040:        public class IDEWorkbenchErrorHandler extends WorkbenchErrorHandler {
041:
042:            private int exceptionCount = 0;
043:
044:            static private FatalErrorDialog dialog;
045:
046:            private boolean closing = false;
047:
048:            private IWorkbenchConfigurer workbenchConfigurer;
049:
050:            // Pre-load all Strings trying to run as light as possible in case of fatal
051:            // errors.
052:            private static String MSG_OutOfMemoryError = IDEWorkbenchMessages.FatalError_OutOfMemoryError;
053:
054:            private static String MSG_StackOverflowError = IDEWorkbenchMessages.FatalError_StackOverflowError;
055:
056:            private static String MSG_VirtualMachineError = IDEWorkbenchMessages.FatalError_VirtualMachineError;
057:
058:            private static String MSG_SWTError = IDEWorkbenchMessages.FatalError_SWTError;
059:
060:            private static String MSG_FATAL_ERROR = IDEWorkbenchMessages.FatalError;
061:
062:            private static String MSG_FATAL_ERROR_Recursive = IDEWorkbenchMessages.FatalError_RecursiveError;
063:
064:            private static String MSG_FATAL_ERROR_Title = IDEWorkbenchMessages.InternalError;
065:
066:            /**
067:             * @param configurer
068:             */
069:            public IDEWorkbenchErrorHandler(IWorkbenchConfigurer configurer) {
070:                workbenchConfigurer = configurer;
071:            }
072:
073:            /*
074:             * (non-Javadoc)
075:             * 
076:             * @see org.eclipse.ui.statushandlers.WorkbenchErrorHandler#handle(org.eclipse.ui.statushandlers.StatusAdapter,
077:             *      int)
078:             */
079:            public void handle(final StatusAdapter statusAdapter, int style) {
080:
081:                // if fatal error occurs, we will show the blocking error dialog anyway
082:                if (isFatal(statusAdapter)) {
083:                    if (statusAdapter
084:                            .getProperty(IProgressConstants.NO_IMMEDIATE_ERROR_PROMPT_PROPERTY) == Boolean.TRUE) {
085:                        statusAdapter
086:                                .setProperty(
087:                                        IProgressConstants.NO_IMMEDIATE_ERROR_PROMPT_PROPERTY,
088:                                        Boolean.FALSE);
089:                    }
090:                    super .handle(statusAdapter, style | StatusManager.BLOCK);
091:                } else {
092:                    super .handle(statusAdapter, style);
093:                }
094:
095:                // if fatal error occurs, we will ask to close the workbench
096:                if (isFatal(statusAdapter) && style != StatusManager.NONE) {
097:                    UIJob handlingExceptionJob = new UIJob(
098:                            "IDE Exception Handler") //$NON-NLS-1$
099:                    {
100:                        /*
101:                         * (non-Javadoc)
102:                         * 
103:                         * @see org.eclipse.ui.progress.UIJob#runInUIThread(org.eclipse.core.runtime.IProgressMonitor)
104:                         */
105:                        public IStatus runInUIThread(IProgressMonitor monitor) {
106:                            handleException(statusAdapter.getStatus()
107:                                    .getException());
108:                            return new Status(
109:                                    IStatus.OK,
110:                                    IDEWorkbenchPlugin.IDE_WORKBENCH,
111:                                    IDEWorkbenchMessages.IDEExceptionHandler_ExceptionHandledMessage);
112:                        }
113:
114:                    };
115:
116:                    handlingExceptionJob.setSystem(true);
117:                    handlingExceptionJob.schedule();
118:                }
119:            }
120:
121:            private boolean isFatal(final StatusAdapter statusAdapter) {
122:                if (statusAdapter.getStatus().getException() != null
123:                        && (statusAdapter.getStatus().getException() instanceof  OutOfMemoryError
124:                                || statusAdapter.getStatus().getException() instanceof  StackOverflowError
125:                                || statusAdapter.getStatus().getException() instanceof  VirtualMachineError || statusAdapter
126:                                .getStatus().getException() instanceof  SWTError)) {
127:                    return true;
128:                }
129:                return false;
130:            }
131:
132:            private void handleException(Throwable t) {
133:                try {
134:                    exceptionCount++;
135:                    if (exceptionCount > 1) {
136:                        dialog.updateMessage(MessageFormat.format(
137:                                MSG_FATAL_ERROR,
138:                                new Object[] { MSG_FATAL_ERROR_Recursive }));
139:                        dialog.getShell().forceActive();
140:                    } else {
141:                        if (openQuestionDialog(t)) {
142:                            closeWorkbench();
143:                        }
144:                    }
145:                } finally {
146:                    exceptionCount--;
147:                }
148:            }
149:
150:            /**
151:             * Informs the user about a fatal error. Returns true if the user decide to
152:             * exit workbench or if another fatal error happens while reporting it.
153:             */
154:            private boolean openQuestionDialog(Throwable t) {
155:                try {
156:                    String msg = null;
157:                    if (t instanceof  OutOfMemoryError) {
158:                        msg = MSG_OutOfMemoryError;
159:                    } else if (t instanceof  StackOverflowError) {
160:                        msg = MSG_StackOverflowError;
161:                    } else if (t instanceof  VirtualMachineError) {
162:                        msg = MSG_VirtualMachineError;
163:                    } else if (t instanceof  SWTError) {
164:                        msg = MSG_SWTError;
165:                    } else {
166:                        if (t.getMessage() == null) {
167:                            msg = IDEWorkbenchMessages.InternalErrorNoArg;
168:                        } else {
169:                            msg = NLS.bind(
170:                                    IDEWorkbenchMessages.InternalErrorOneArg, t
171:                                            .getMessage());
172:                        }
173:                    }
174:
175:                    // Always open the dialog in case of major error but do not show the
176:                    // detail button if not in debug mode.
177:                    Throwable detail = t;
178:                    if (!Policy.DEBUG_OPEN_ERROR_DIALOG) {
179:                        detail = null;
180:                    }
181:
182:                    dialog = openInternalQuestionDialog(PlatformUI
183:                            .getWorkbench().getActiveWorkbenchWindow()
184:                            .getShell(), MSG_FATAL_ERROR_Title, MessageFormat
185:                            .format(MSG_FATAL_ERROR, new Object[] { msg }),
186:                            detail, 1);
187:
188:                    return dialog.open() == 0;
189:                } catch (Throwable th) {
190:                    // Workbench may be in such bad shape (no OS handles left, out of
191:                    // memory, etc)
192:                    // that is cannot show a message to the user. Just bail out now.
193:                    System.err
194:                            .println("Error while informing user about event loop exception:"); //$NON-NLS-1$
195:                    t.printStackTrace();
196:                    System.err.println("Dialog open exception:"); //$NON-NLS-1$
197:                    th.printStackTrace();
198:                    return true;
199:                }
200:            }
201:
202:            private FatalErrorDialog openInternalQuestionDialog(Shell parent,
203:                    String title, String message, Throwable detail,
204:                    int defaultIndex) {
205:                String[] labels;
206:                if (detail == null) {
207:                    labels = new String[] { IDialogConstants.YES_LABEL,
208:                            IDialogConstants.NO_LABEL };
209:                } else {
210:                    labels = new String[] { IDialogConstants.YES_LABEL,
211:                            IDialogConstants.NO_LABEL,
212:                            IDialogConstants.SHOW_DETAILS_LABEL };
213:                }
214:
215:                FatalErrorDialog dialog = new FatalErrorDialog(
216:                        parent,
217:                        title,
218:                        null, // accept
219:                        // the
220:                        // default
221:                        // window
222:                        // icon
223:                        message, detail, MessageDialog.QUESTION, labels,
224:                        defaultIndex);
225:                if (detail != null) {
226:                    dialog.setDetailButton(2);
227:                }
228:                return dialog;
229:            }
230:
231:            /**
232:             * Closes the workbench and make sure all exceptions are handled.
233:             */
234:            private void closeWorkbench() {
235:                if (closing) {
236:                    return;
237:                }
238:
239:                try {
240:                    closing = true;
241:                    if (dialog != null && dialog.getShell() != null
242:                            && !dialog.getShell().isDisposed()) {
243:                        dialog.close();
244:                    }
245:                    workbenchConfigurer.emergencyClose();
246:                } catch (RuntimeException re) {
247:                    // Workbench may be in such bad shape (no OS handles left, out of
248:                    // memory, etc)
249:                    // that is cannot even close. Just bail out now.
250:                    System.err
251:                            .println("Fatal runtime error happened during workbench emergency close."); //$NON-NLS-1$
252:                    re.printStackTrace();
253:                    throw re;
254:                } catch (Error e) {
255:                    // Workbench may be in such bad shape (no OS handles left, out of
256:                    // memory, etc)
257:                    // that is cannot even close. Just bail out now.
258:                    System.err
259:                            .println("Fatal error happened during workbench emergency close."); //$NON-NLS-1$
260:                    e.printStackTrace();
261:                    throw e;
262:                }
263:            }
264:
265:            private class FatalErrorDialog extends InternalErrorDialog {
266:
267:                /**
268:                 * @param parentShell
269:                 * @param dialogTitle
270:                 * @param dialogTitleImage
271:                 * @param dialogMessage
272:                 * @param detail
273:                 * @param dialogImageType
274:                 * @param dialogButtonLabels
275:                 * @param defaultIndex
276:                 */
277:                public FatalErrorDialog(Shell parentShell, String dialogTitle,
278:                        Image dialogTitleImage, String dialogMessage,
279:                        Throwable detail, int dialogImageType,
280:                        String[] dialogButtonLabels, int defaultIndex) {
281:                    super (parentShell, dialogTitle, dialogTitleImage,
282:                            dialogMessage, detail, dialogImageType,
283:                            dialogButtonLabels, defaultIndex);
284:                }
285:
286:                /**
287:                 * Updates the dialog message
288:                 * 
289:                 * @param message
290:                 *            new message
291:                 */
292:                public void updateMessage(String message) {
293:                    this.message = message;
294:                    this.messageLabel.setText(message);
295:                    this.messageLabel.update();
296:                }
297:            }
298:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.