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diff --git a/netx/net/sourceforge/jnlp/util/BasicExceptionDialog.java b/netx/net/sourceforge/jnlp/util/BasicExceptionDialog.java
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+/* BasicExceptionDialog.java
+   Copyright (C) 2011 Red Hat, Inc.
+
+This file is part of IcedTea.
+
+IcedTea 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 2, or (at your option)
+any later version.
+
+IcedTea 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 IcedTea; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package net.sourceforge.jnlp.util;
+
+import static net.sourceforge.jnlp.runtime.Translator.R;
+
+import java.awt.BorderLayout;
+import java.awt.Dimension;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+import javax.swing.BorderFactory;
+import javax.swing.BoxLayout;
+import javax.swing.JButton;
+import javax.swing.JComponent;
+import javax.swing.JDialog;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
+
+/**
+ * A dialog that displays some basic information about an exception
+ */
+public class BasicExceptionDialog {
+
+    private static String exceptionToString(Exception exception) {
+        StringWriter stringWriter = new StringWriter();
+        PrintWriter printWriter = new PrintWriter(stringWriter);
+        exception.printStackTrace(printWriter);
+        return stringWriter.toString();
+    }
+
+    /**
+     * Must be invoked from the Swing EDT.
+     *
+     * @param exception the exception to indicate
+     */
+    public static void show(Exception exception) {
+        String detailsText = exceptionToString(exception);
+
+        final JPanel mainPanel = new JPanel(new BorderLayout());
+        mainPanel.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
+
+        JOptionPane optionPane = new JOptionPane(mainPanel, JOptionPane.ERROR_MESSAGE);
+        final JDialog errorDialog = optionPane.createDialog(R("Error"));
+
+        final JPanel quickInfoPanel = new JPanel();
+        BoxLayout layout = new BoxLayout(quickInfoPanel, BoxLayout.Y_AXIS);
+        quickInfoPanel.setLayout(layout);
+        mainPanel.add(quickInfoPanel, BorderLayout.PAGE_START);
+
+        JLabel errorLabel = new JLabel(exception.getMessage());
+        errorLabel.setAlignmentY(JComponent.LEFT_ALIGNMENT);
+        quickInfoPanel.add(errorLabel);
+
+        final JButton viewDetails = new JButton(R("ButShowDetails"));
+        viewDetails.setAlignmentY(JComponent.LEFT_ALIGNMENT);
+        viewDetails.setActionCommand("show");
+        quickInfoPanel.add(viewDetails);
+
+        JTextArea textArea = new JTextArea();
+        textArea.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
+        textArea.setEditable(false);
+        textArea.setText(detailsText);
+        final JScrollPane scrollPane = new JScrollPane(textArea);
+        scrollPane.setPreferredSize(new Dimension(100, 200));
+
+        viewDetails.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (viewDetails.getActionCommand().equals("show")) {
+                    mainPanel.add(scrollPane, BorderLayout.CENTER);
+                    viewDetails.setActionCommand("hide");
+                    viewDetails.setText(R("ButHideDetails"));
+                    errorDialog.pack();
+                } else {
+                    mainPanel.remove(scrollPane);
+                    viewDetails.setActionCommand("show");
+                    viewDetails.setText(R("ButShowDetails"));
+                    errorDialog.pack();
+                }
+            }
+        });
+
+        errorDialog.pack();
+        errorDialog.setResizable(true);
+        errorDialog.setVisible(true);
+        errorDialog.dispose();
+    }
+}