Source Code Cross Referenced for ExceptionErrorDialog.java in  » Database-Client » executequery » org » underworldlabs » swing » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database Client » executequery » org.underworldlabs.swing 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * ExceptionErrorDialog.java
003:         *
004:         * Copyright (C) 2002, 2003, 2004, 2005, 2006 Takis Diakoumis
005:         *
006:         * This program is free software; you can redistribute it and/or
007:         * modify it under the terms of the GNU General Public License
008:         * as published by the Free Software Foundation; either version 2
009:         * of the License, or any later version.
010:         *
011:         * This program is distributed in the hope that it will be useful,
012:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014:         * GNU General Public License for more details.
015:         *
016:         * You should have received a copy of the GNU General Public License
017:         * along with this program; if not, write to the Free Software
018:         * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
019:         *
020:         */
021:
022:        package org.underworldlabs.swing;
023:
024:        import java.awt.BorderLayout;
025:        import java.awt.Container;
026:        import java.awt.Dimension;
027:        import java.awt.Frame;
028:        import java.awt.GridBagConstraints;
029:        import java.awt.GridBagLayout;
030:        import java.awt.Insets;
031:        import java.awt.Point;
032:        import java.awt.Toolkit;
033:        import java.awt.datatransfer.StringSelection;
034:        import java.awt.event.ActionEvent;
035:        import java.awt.event.ActionListener;
036:        import java.awt.event.ComponentEvent;
037:        import java.awt.event.ComponentListener;
038:        import java.io.PrintWriter;
039:        import java.io.StringWriter;
040:        import java.sql.SQLException;
041:        import java.util.StringTokenizer;
042:        import java.util.Vector;
043:        import javax.swing.Icon;
044:        import javax.swing.JButton;
045:        import javax.swing.JDialog;
046:        import javax.swing.JLabel;
047:        import javax.swing.JPanel;
048:        import javax.swing.JScrollPane;
049:        import javax.swing.JTextArea;
050:        import javax.swing.UIManager;
051:        import org.underworldlabs.swing.util.IconUtilities;
052:
053:        /* ----------------------------------------------------------
054:         * CVS NOTE: Changes to the CVS repository prior to the 
055:         *           release of version 3.0.0beta1 has meant a 
056:         *           resetting of CVS revision numbers.
057:         * ----------------------------------------------------------
058:         */
059:
060:        /**
061:         * Generic error dialog box displaying the stack trace.
062:         *
063:         * @author   Takis Diakoumis
064:         * @version  $Revision: 1.8 $
065:         * @date     $Date: 2006/09/26 13:18:38 $
066:         */
067:        public class ExceptionErrorDialog extends JDialog implements 
068:                ActionListener, ComponentListener {
069:
070:            /** the error message */
071:            private String message;
072:
073:            /** the exception list */
074:            private Vector<Throwable> exceptions;
075:
076:            /** empty exception indicating the last in a chain */
077:            private Throwable noMoreExceptions;
078:
079:            /** the stack trace text pane */
080:            private JTextArea textPane;
081:
082:            /** the show stack button */
083:            private JButton showStackButton;
084:
085:            /** the close button */
086:            private JButton closeButton;
087:
088:            /** the next excpetion button */
089:            private JButton nextButton;
090:
091:            /** the previous excpetion button */
092:            private JButton previousButton;
093:
094:            /** the paste stack button */
095:            private JButton pasteButton;
096:
097:            /** the stack trace panel */
098:            private JPanel stackTracePanel;
099:
100:            /** the default height */
101:            private int defaultHeight;
102:
103:            /** the default width */
104:            private int defaultWidth;
105:
106:            /** the current exception index (chained exceptions) */
107:            private int selectedIndex;
108:
109:            /** Creates a new instance of ExceptionErrorDialog */
110:            public ExceptionErrorDialog(Frame owner, String message,
111:                    Throwable exception) {
112:                super (owner, "Error Message", true);
113:                this .message = message;
114:
115:                exceptions = new Vector<Throwable>();
116:                // we want the underlying cause
117:                if (exception.getCause() != null) {
118:                    exceptions.add(exception.getCause());
119:                } else {
120:                    exceptions.add(exception);
121:                }
122:                selectedIndex = 0;
123:
124:                try {
125:                    init();
126:                } catch (Exception e) {
127:                    e.printStackTrace();
128:                }
129:            }
130:
131:            private void init() throws Exception {
132:                Icon errorIcon = UIManager.getIcon("OptionPane.errorIcon");
133:                if (errorIcon == null) {
134:                    // if we don't have one (some LAFs), try the warning icon
135:                    errorIcon = UIManager.getIcon("OptionPane.warningIcon");
136:                }
137:
138:                closeButton = new JButton("Close");
139:                closeButton.addActionListener(this );
140:
141:                showStackButton = new JButton("Show Stack Trace") {
142:                    Insets margin;
143:
144:                    public Dimension getPreferredSize() {
145:                        Dimension dim = super .getPreferredSize();
146:                        dim.width = 150;
147:                        return dim;
148:                    }
149:                };
150:                showStackButton.addActionListener(this );
151:
152:                // format the text
153:                StringBuffer sb = new StringBuffer();
154:                sb.append("<html><table border=\"0\" cellpadding=\"2\">");
155:
156:                String delim = "\n";
157:                boolean wasDelim = true;
158:                StringTokenizer st = new StringTokenizer(message, delim, true);
159:                while (st.hasMoreTokens()) {
160:                    String token = st.nextToken();
161:                    if (delim.equals(token)) {
162:                        if (wasDelim) {
163:                            sb.append("<tr><td></td></tr>");
164:                        }
165:                        wasDelim = true;
166:                        continue;
167:                    }
168:                    sb.append("<tr><td>");
169:                    sb.append(token);
170:                    sb.append("</td></tr>");
171:                    wasDelim = false;
172:                }
173:
174:                sb.append("</table></html>");
175:
176:                JPanel base = new JPanel(new GridBagLayout());
177:                GridBagConstraints gbc = new GridBagConstraints();
178:                gbc.insets.left = 5;
179:                gbc.insets.right = 20;
180:                gbc.gridy++;
181:                gbc.anchor = GridBagConstraints.NORTHWEST;
182:                base.add(new JLabel(errorIcon), gbc);
183:                gbc.gridx = 1;
184:                gbc.insets.left = 0;
185:                gbc.insets.right = 0;
186:                gbc.weightx = 1.0;
187:                gbc.fill = GridBagConstraints.HORIZONTAL;
188:                gbc.gridwidth = GridBagConstraints.REMAINDER;
189:                base.add(new JLabel(sb.toString()), gbc);
190:                gbc.gridy++;
191:
192:                gbc.gridx = 1;
193:                gbc.insets.top = 15;
194:                gbc.insets.right = 5;
195:                gbc.insets.bottom = 0;
196:                gbc.gridwidth = 1;
197:                gbc.anchor = GridBagConstraints.EAST;
198:                gbc.fill = GridBagConstraints.NONE;
199:                base.add(showStackButton, gbc);
200:                gbc.gridx = 2;
201:                gbc.weightx = 0;
202:                gbc.insets.right = 0;
203:                base.add(closeButton, gbc);
204:
205:                stackTracePanel = new JPanel(new GridBagLayout());
206:                stackTracePanel.setVisible(false);
207:
208:                JPanel stackTraceBase = new JPanel(new BorderLayout());
209:                stackTraceBase.add(stackTracePanel, BorderLayout.CENTER);
210:
211:                Container contentPane = getContentPane();
212:                contentPane.setLayout(new GridBagLayout());
213:
214:                gbc.gridy = 0;
215:                gbc.gridx = 0;
216:                gbc.insets.top = 10;
217:                gbc.insets.left = 5;
218:                gbc.insets.bottom = 5;
219:                gbc.insets.right = 5;
220:                gbc.fill = GridBagConstraints.HORIZONTAL;
221:                gbc.anchor = GridBagConstraints.NORTHWEST;
222:                gbc.weightx = 1.0;
223:                contentPane.add(base, gbc);
224:                gbc.gridy++;
225:                gbc.weighty = 1.0;
226:                gbc.insets.top = 0;
227:                gbc.fill = GridBagConstraints.BOTH;
228:                contentPane.add(stackTraceBase, gbc);
229:
230:                addComponentListener(this );
231:
232:                //this.setLayout(new BorderLayout());
233:                //add(contentPane, BorderLayout.CENTER);
234:
235:                pack();
236:                Dimension size = getSize();
237:
238:                // get the absolute center position and adjust 
239:                // for possible dialog expansion on stack trace
240:                Point location = GUIUtils
241:                        .getLocationForDialog(getOwner(), size);
242:                location.y -= (STACK_HEIGHT / 2);
243:                setLocation(location);
244:
245:                // set the height and width for resets
246:                defaultHeight = size.height;
247:                defaultWidth = 450;
248:
249:                setVisible(true);
250:            }
251:
252:            public Dimension getMinimumSize() {
253:                return new Dimension(400, getSize().height);
254:            }
255:
256:            /**
257:             * Builds the stack trace text pane and associated
258:             * buttons in the case of SQLExceptions.
259:             */
260:            private void buildStackTracePanel() {
261:                if (textPane == null) {
262:                    textPane = new JTextArea();
263:                    textPane.setMargin(new Insets(2, 2, 2, 2));
264:                    textPane.setEditable(false);
265:                    textPane.setWrapStyleWord(false);
266:                    textPane.setBackground(getBackground());
267:                    JScrollPane scroller = new JScrollPane(textPane);
268:
269:                    GridBagConstraints gbc = new GridBagConstraints();
270:                    gbc.fill = GridBagConstraints.BOTH;
271:                    gbc.anchor = GridBagConstraints.NORTHWEST;
272:                    gbc.gridwidth = GridBagConstraints.REMAINDER;
273:                    gbc.gridy++;
274:                    gbc.weightx = 1.0;
275:                    gbc.weighty = 1.0;
276:                    stackTracePanel.add(scroller, gbc);
277:
278:                    pasteButton = new RolloverButton(IconUtilities
279:                            .loadDefaultIconResource("Paste16.gif", true),
280:                            "Paste stack to clipboard");
281:                    pasteButton.addActionListener(this );
282:
283:                    gbc.gridy++;
284:                    gbc.insets.top = 2;
285:                    gbc.weighty = 0;
286:                    gbc.weightx = 0;
287:                    gbc.gridwidth = 1;
288:                    gbc.fill = GridBagConstraints.NONE;
289:                    gbc.anchor = GridBagConstraints.WEST;
290:                    stackTracePanel.add(pasteButton, gbc);
291:
292:                    if (exceptions.get(selectedIndex) instanceof  SQLException) {
293:                        SQLException sqlExc = (SQLException) exceptions
294:                                .get(selectedIndex);
295:                        if (sqlExc.getNextException() != null) {
296:                            nextButton = new JButton("Next Exception");
297:                            nextButton.addActionListener(this );
298:                            previousButton = new JButton("Previous Exception");
299:                            previousButton.addActionListener(this );
300:                            previousButton.setEnabled(false);
301:
302:                            //gbc.gridy++;
303:                            gbc.insets.top = 5;
304:                            gbc.insets.right = 5;
305:                            gbc.insets.left = 0;
306:                            gbc.weighty = 0;
307:                            gbc.gridwidth = 1;
308:                            gbc.weightx = 1.0;
309:                            gbc.fill = GridBagConstraints.NONE;
310:                            gbc.anchor = GridBagConstraints.EAST;
311:                            stackTracePanel.add(previousButton, gbc);
312:                            gbc.weightx = 0;
313:                            gbc.gridx = 1;
314:                            gbc.insets.right = 0;
315:                            stackTracePanel.add(nextButton, gbc);
316:                        }
317:                    }
318:                }
319:            }
320:
321:            /** the stack trace pane height */
322:            private static final int STACK_HEIGHT = 220;
323:
324:            /**
325:             * Prints the specified exception's stack trace 
326:             * to the text pane.
327:             *
328:             * @param e - the exception to be printed
329:             */
330:            private void printException(Throwable e) {
331:                if (e != null && e != noMoreExceptions) {
332:                    StringWriter sw = new StringWriter();
333:                    PrintWriter out = new PrintWriter(sw);
334:                    e.printStackTrace(out);
335:                    textPane.setText(sw.toString());
336:                } else {
337:                    textPane.setText("Exception stack trace not available.");
338:                }
339:                textPane.setCaretPosition(0);
340:            }
341:
342:            public void actionPerformed(ActionEvent e) {
343:                Object source = e.getSource();
344:
345:                if (source == showStackButton) {
346:                    buildStackTracePanel();
347:
348:                    if (stackTracePanel.isVisible()) {
349:                        stackTracePanel.setVisible(false);
350:                        setSize(new Dimension(getWidth(), defaultHeight));
351:                        showStackButton.setText("Show Stack Trace");
352:                    } else {
353:                        stackTracePanel.setVisible(true);
354:                        showStackButton.setText("Hide Stack Trace");
355:                        setSize(new Dimension(getWidth(), defaultHeight
356:                                + (STACK_HEIGHT + 30)));
357:
358:                        printException(exceptions.get(selectedIndex));
359:                    }
360:
361:                } else if (source == nextButton) {
362:                    selectedIndex++;
363:                    if (exceptions.size() - 1 < selectedIndex) {
364:                        SQLException sqlException = (SQLException) exceptions
365:                                .get(selectedIndex - 1);
366:                        SQLException nextSQLException = sqlException
367:                                .getNextException();
368:
369:                        if (nextSQLException == null) {
370:                            // add the dummy to the end
371:                            if (noMoreExceptions == null) {
372:                                noMoreExceptions = new Throwable();
373:                                exceptions.add(noMoreExceptions);
374:                            }
375:                        } else {
376:                            exceptions.add(nextSQLException);
377:                        }
378:
379:                    }
380:
381:                    Throwable currentException = exceptions.get(selectedIndex);
382:                    printException(currentException);
383:
384:                    if (currentException == noMoreExceptions
385:                            || currentException == null) {
386:                        nextButton.setEnabled(false);
387:                    }
388:                    previousButton.setEnabled(true);
389:                } else if (source == previousButton) {
390:                    selectedIndex--;
391:                    Throwable currentException = exceptions.get(selectedIndex);
392:                    printException(currentException);
393:
394:                    if (selectedIndex == 0) {
395:                        previousButton.setEnabled(false);
396:                    }
397:                    nextButton.setEnabled(true);
398:                } else if (source == pasteButton) {
399:                    Toolkit.getDefaultToolkit().getSystemClipboard()
400:                            .setContents(
401:                                    new StringSelection(textPane.getText()),
402:                                    null);
403:                } else if (source == closeButton) {
404:                    dispose();
405:                }
406:            }
407:
408:            /**
409:             * Invoked when the component's size changes.
410:             */
411:            public void componentResized(ComponentEvent e) {
412:                Dimension _size = getSize();
413:                boolean resizeRequired = false;
414:                if (_size.height < defaultHeight) {
415:                    _size.height = defaultHeight;
416:                    resizeRequired = true;
417:                }
418:
419:                if (_size.width < defaultWidth) {
420:                    _size.width = defaultWidth;
421:                    resizeRequired = true;
422:                }
423:
424:                if (resizeRequired) {
425:                    setSize(_size);
426:                }
427:            }
428:
429:            /**
430:             * Invoked when the component's position changes.
431:             */
432:            public void componentMoved(ComponentEvent e) {
433:            }
434:
435:            /**
436:             * Invoked when the component has been made visible.
437:             */
438:            public void componentShown(ComponentEvent e) {
439:            }
440:
441:            /**
442:             * Invoked when the component has been made invisible.
443:             */
444:            public void componentHidden(ComponentEvent e) {
445:            }
446:
447:        }
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