diff agent/src/share/classes/sun/jvm/hotspot/ui/FindPanel.java @ 0:a61af66fc99e jdk7-b24

Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/ui/FindPanel.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2000 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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) {
+      }
+    }
+  }
+}