Java tutorial
/* * #%L * gitools-ui-platform * %% * Copyright (C) 2013 Universitat Pompeu Fabra - Biomedical Genomics group * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/gpl-3.0.html>. * #L% */ package org.gitools.ui.platform.dialog; import org.apache.commons.lang.exception.ExceptionUtils; import org.gitools.ui.platform.application.IApplicationTracking; import org.gitools.ui.platform.progress.GitoolsGlassPane; import javax.swing.*; import java.awt.*; import java.awt.datatransfer.Clipboard; import java.awt.datatransfer.StringSelection; import java.awt.event.MouseEvent; import java.io.PrintWriter; import java.io.StringWriter; public class ExceptionGlassPane extends GitoolsGlassPane { private final Throwable cause; public static void show(Window parent, Throwable cause) { ExceptionGlassPane dlg = new ExceptionGlassPane(parent, cause); dlg.setVisible(true); } public ExceptionGlassPane(Window parent, Throwable cause) { super(parent); setShield(1.0f); if (parent instanceof RootPaneContainer) { ((RootPaneContainer) parent).setGlassPane(this); } initComponents(); getRootPane().setDefaultButton(closeButton); descriptionArea.setFont(descriptionArea.getFont().deriveFont(Font.BOLD, 18)); descriptionArea.setLineWrap(true); descriptionArea.setWrapStyleWord(true); descriptionArea.setForeground(Color.RED); descriptionArea.setBorder(null); jScrollPane1.setBorder(null); jLabel1.setFont(jLabel1.getFont().deriveFont(Font.BOLD, 20)); jLabel2.setFont(jLabel2.getFont().deriveFont(Font.BOLD)); this.cause = cause; String errorMessage = getFriendlyMessage(cause); descriptionArea.setText(errorMessage); StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw); cause.printStackTrace(pw); pw.close(); traceArea.setText(sw.toString()); if (parent instanceof IApplicationTracking) { IApplicationTracking track = (IApplicationTracking) parent; String description; Throwable rootCause = ExceptionUtils.getRootCause(cause); if (rootCause != null) { description = ExceptionUtils.getStackTrace(rootCause); } else { description = ExceptionUtils.getStackTrace(cause); } if (description.length() > 150) { description = description.substring(0, 145); } track.trackException(anonymizer(description)); } } private String anonymizer(String description) { //replace custom strings between ' ' description = description.replaceAll("('[^']*')", "*"); //replace folders and urls description = description.replaceAll("/[^ ]+", "*"); //replace java package name description = description.replaceAll("at [a-z\\.A-Z0-9]*\\(", "at ("); description = description.replaceAll("^[a-z\\.]*", ""); return description; } private String getFriendlyMessage(Throwable cause) { String message = cause.getLocalizedMessage() == null ? "<empty error message>" : cause.getLocalizedMessage(); if (message.contains("heap space")) { message = message + ": Not enough memory for this operation."; } return message; } @SuppressWarnings("unchecked") private void initComponents() { closeButton = new javax.swing.JButton(); copyButton = new javax.swing.JButton(); jLabel1 = new javax.swing.JLabel(); jLabel2 = new javax.swing.JLabel(); jScrollPane1 = new javax.swing.JScrollPane(); descriptionArea = new javax.swing.JTextArea(); jScrollPane2 = new javax.swing.JScrollPane(); traceArea = new javax.swing.JTextArea(); jSeparator1 = new javax.swing.JSeparator(); closeButton.setText("Close"); closeButton.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { closeButtonActionPerformed(evt); } }); copyButton.setText("Copy"); copyButton.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { copyButtonActionPerformed(evt); } }); jLabel1.setText("Error"); jLabel2.setText("Trace (for developers)"); descriptionArea.setColumns(20); descriptionArea.setEditable(false); descriptionArea.setRows(2); jScrollPane1.setViewportView(descriptionArea); traceArea.setColumns(20); traceArea.setRows(5); jScrollPane2.setViewportView(traceArea); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addContainerGap().addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup( layout.createSequentialGroup() .addComponent(jLabel2, javax.swing.GroupLayout.DEFAULT_SIZE, 451, Short.MAX_VALUE) .addGap(180, 180, 180)) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING) .addComponent(jScrollPane1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 619, Short.MAX_VALUE) .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout .createSequentialGroup().addComponent(copyButton) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 521, Short.MAX_VALUE) .addComponent(closeButton)) .addComponent(jLabel1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 619, Short.MAX_VALUE)) .addContainerGap()) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING) .addComponent(jScrollPane2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 619, Short.MAX_VALUE) .addComponent(jSeparator1, javax.swing.GroupLayout.DEFAULT_SIZE, 619, Short.MAX_VALUE)) .addContainerGap())))); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup( javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup().addContainerGap().addComponent(jLabel1) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 59, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(18, 18, 18).addComponent(jLabel2) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 193, Short.MAX_VALUE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(jSeparator1, javax.swing.GroupLayout.PREFERRED_SIZE, 10, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(copyButton).addComponent(closeButton)) .addContainerGap())); //pack(); }// </editor-fold>//GEN-END:initComponents private void closeButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_closeButtonActionPerformed doClose(); }//GEN-LAST:event_closeButtonActionPerformed private void copyButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_copyButtonActionPerformed StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw); pw.println(cause.getMessage()); cause.printStackTrace(pw); pw.close(); Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard(); StringSelection ss = new StringSelection(sw.toString()); cb.setContents(ss, ss); }//GEN-LAST:event_copyButtonActionPerformed /** * Closes the dialog */ private void closeDialog(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_closeDialog doClose(); } private void doClose() { setVisible(false); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JButton closeButton; private javax.swing.JButton copyButton; private javax.swing.JTextArea descriptionArea; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JScrollPane jScrollPane1; private javax.swing.JScrollPane jScrollPane2; private javax.swing.JSeparator jSeparator1; private javax.swing.JTextArea traceArea; @Override protected void escapePressed() { doClose(); } public Container getContentPane() { return this; } @Override public void mouseClicked(MouseEvent e) { } @Override public void mousePressed(MouseEvent e) { } @Override public void mouseReleased(MouseEvent e) { } @Override public void mouseEntered(MouseEvent e) { } @Override public void mouseExited(MouseEvent e) { } }