| /* |
| * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| package sun.jvm.hotspot.ui; |
| |
| import java.io.*; |
| import java.awt.*; |
| import java.awt.event.*; |
| import javax.swing.*; |
| import javax.swing.text.*; |
| |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.runtime.*; |
| import sun.jvm.hotspot.utilities.*; |
| |
| /** Uses {@link sun.jvm.hotspot.utilities.PointerFinder} to provide a |
| graphical user interface to the VM's debugging utility "find". */ |
| |
| public class FindPanel extends JPanel { |
| // UI widgets we need permanent handles to |
| private JTextField addressField; |
| private JTextArea textArea; |
| private JLabel statusLabel; |
| |
| public FindPanel() { |
| super(); |
| |
| setLayout(new BorderLayout()); |
| Box hbox = Box.createHorizontalBox(); |
| hbox.add(new JLabel("Address: ")); |
| addressField = new JTextField(20); |
| hbox.add(addressField); |
| statusLabel = new JLabel(); |
| hbox.add(statusLabel); |
| add(hbox, BorderLayout.NORTH); |
| |
| JScrollPane scroller = new JScrollPane(); |
| textArea = new JTextArea(); |
| textArea.setEditable(false); |
| textArea.setLineWrap(true); |
| textArea.setWrapStyleWord(true); |
| scroller.getViewport().add(textArea); |
| add(scroller, BorderLayout.CENTER); |
| |
| addressField.addActionListener(new ActionListener() { |
| public void actionPerformed(ActionEvent e) { |
| try { |
| Address a = VM.getVM().getDebugger().parseAddress(addressField.getText()); |
| PointerLocation loc = PointerFinder.find(a); |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| loc.printOn(new PrintStream(bos)); |
| clear(); |
| textArea.append(bos.toString()); |
| statusLabel.setText(""); |
| } |
| catch (NumberFormatException ex) { |
| statusLabel.setText("<parse error>"); |
| } |
| catch (AddressException ex) { |
| statusLabel.setText("<bad address>"); |
| } |
| catch (Exception ex) { |
| ex.printStackTrace(); |
| statusLabel.setText("<error during find>"); |
| } |
| } |
| }); |
| } |
| |
| private void clear() { |
| Document doc = textArea.getDocument(); |
| if (doc.getLength() > 0) { |
| try { |
| doc.remove(0, doc.getLength()); |
| } |
| catch (BadLocationException e) { |
| } |
| } |
| } |
| } |