--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/ui/ObjectListPanel.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,343 @@
+/*
+ * Copyright 2000-2006 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.util.*;
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import javax.swing.table.*;
+
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.oops.*;
+import sun.jvm.hotspot.runtime.*;
+import sun.jvm.hotspot.utilities.*;
+import sun.jvm.hotspot.ui.table.*;
+import sun.jvm.hotspot.ui.tree.*;
+
+/** Lists objects along with their types */
+
+public class ObjectListPanel extends SAPanel {
+  private ObjectListTableModel dataModel;
+  private JTable             table;
+  private java.util.List     elements;
+  private HeapProgressThunk  thunk;
+  private boolean            checkedForArrays;
+  private boolean            hasArrays;
+  private int                numColumns;
+  // For changing the text of the "Compute Liveness" button
+  private JButton            livenessButton;
+  private ActionListener     livenessButtonListener;
+  private static final String showLivenessText = "Show Liveness";
+
+  /** Takes a List<Oop> in constructor, and an optional
+      HeapProgressThunk used if computing liveness */
+  public ObjectListPanel(java.util.List els,
+                         HeapProgressThunk thunk) {
+    super();
+
+    elements = els;
+    this.thunk = thunk;
+    computeNumColumns();
+
+    setLayout(new BorderLayout());
+
+    dataModel = new ObjectListTableModel();
+
+    table = new JTable(dataModel);
+    table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
+    JTableHeader header = table.getTableHeader();
+    header.setDefaultRenderer(new SortHeaderCellRenderer(header, dataModel));
+    header.addMouseListener(new SortHeaderMouseAdapter(table, dataModel));
+
+    JScrollPane scrollPane = new JScrollPane(table);
+    add(scrollPane, BorderLayout.CENTER);
+
+    JPanel panel = new JPanel();
+    panel.setLayout(new BoxLayout(panel, BoxLayout.X_AXIS));
+    panel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
+    Box box = Box.createHorizontalBox();
+    box.add(Box.createGlue());
+    JButton button = new JButton("Inspect");
+    button.addActionListener(new ActionListener() {
+        public void actionPerformed(ActionEvent e) {
+          fireShowInspector();
+        }
+      });
+    box.add(button);
+
+    box.add(Box.createHorizontalStrut(20));
+
+    // Liveness button
+    button = new JButton();
+    livenessButton = button;
+    if (VM.getVM().getRevPtrs() == null) {
+      button.setText("Compute Liveness");
+      livenessButtonListener = new ActionListener() {
+          public void actionPerformed(ActionEvent e) {
+            fireComputeLiveness();
+          }
+        };
+    } else {
+      button.setText("Show Liveness Path");
+      livenessButtonListener = new ActionListener() {
+          public void actionPerformed(ActionEvent e) {
+            fireShowLiveness();
+          }
+        };
+    }
+    button.addActionListener(livenessButtonListener);
+    box.add(button);
+    box.add(Box.createGlue());
+    panel.add(box);
+    add(panel, BorderLayout.SOUTH);
+  }
+
+  //--------------------------------------------------------------------------------
+  // Internals only below this point
+  //
+
+  private static class AddressWrapper implements Comparable {
+    private Address address;
+
+    private AddressWrapper(Address address) {
+      this.address = address;
+    }
+
+    public String toString() {
+      return address.toString();
+    }
+
+    public int compareTo(Object o) {
+      AddressWrapper wrapper = (AddressWrapper) o;
+      Address addr = wrapper.address;
+      if (AddressOps.lessThan(address, addr)) return -1;
+      if (AddressOps.greaterThan(address, addr)) return 1;
+      return 0;
+    }
+  }
+
+  private class ObjectListTableModel extends SortableTableModel {
+    public ObjectListTableModel() {
+      // Set the rows
+      this.elements = ObjectListPanel.this.elements;
+      setComparator(new ObjectListComparator(this));
+    }
+
+    public int getColumnCount() { return numColumns;      }
+    public int getRowCount()    { return elements.size(); }
+    public String getColumnName(int col) {
+      switch (col) {
+      case 0:
+        return "Address";
+      case 1:
+        return "Oop";
+      case 2:
+        if (hasArrays) {
+          return "Length";
+        } else {
+          return "Class Description";
+        }
+      case 3:
+        if (hasArrays) {
+          return "Class Description";
+        } else if (VM.getVM().getRevPtrs() != null) {
+          return "Liveness";
+        }
+      case 4:
+        if (hasArrays && (VM.getVM().getRevPtrs() != null)) {
+          return "Liveness";
+        }
+      }
+      throw new RuntimeException("Index " + col + " out of bounds");
+    }
+
+    public Object getValueAt(int row, int col) {
+      Oop oop = (Oop) elements.get(row);
+      return getValueForColumn(oop, col);
+    }
+
+    public Object getValueForColumn(Oop oop, int col) {
+      ByteArrayOutputStream bos = new ByteArrayOutputStream();
+
+      switch (col) {
+      case 0:
+        return new AddressWrapper(oop.getHandle());
+      case 1:
+        oop.printValueOn(new PrintStream(bos));
+        break;
+      case 2:
+        if (hasArrays) {
+          if (oop instanceof Array) {
+            return new Long(((Array) oop).getLength());
+          }
+          return null;
+        } else {
+          oop.getKlass().printValueOn(new PrintStream(bos));
+          break;
+        }
+      case 3:
+        if (hasArrays) {
+          oop.getKlass().printValueOn(new PrintStream(bos));
+          break;
+        } else {
+          if (VM.getVM().getRevPtrs() != null) {
+            if (VM.getVM().getRevPtrs().get(oop) != null) {
+              return "Alive";
+            } else {
+              return "Dead";
+            }
+          }
+        }
+      case 4:
+        if (hasArrays) {
+          if (VM.getVM().getRevPtrs() != null) {
+            if (VM.getVM().getRevPtrs().get(oop) != null) {
+              return "Alive";
+            } else {
+              return "Dead";
+            }
+          }
+        }
+      default:
+        throw new RuntimeException("Column " + col + " out of bounds");
+      }
+
+      return bos.toString();
+    }
+
+    private class ObjectListComparator extends TableModelComparator {
+      public ObjectListComparator(ObjectListTableModel model) {
+        super(model);
+      }
+
+      /**
+       * Returns the value for the comparing object for the
+       * column.
+       *
+       * @param obj Object that was passed for Comparator
+       * @param column the column to retrieve
+       */
+      public Object getValueForColumn(Object obj, int column) {
+        ObjectListTableModel omodel = (ObjectListTableModel)model;
+        return omodel.getValueForColumn((Oop) obj, column);
+      }
+    }
+  }
+
+  private void fireShowInspector() {
+    int i = table.getSelectedRow();
+    if (i < 0) {
+      return;
+    }
+
+    Oop oop = (Oop) elements.get(i);
+
+    for (Iterator iter = listeners.iterator(); iter.hasNext(); ) {
+      SAListener listener = (SAListener) iter.next();
+      listener.showInspector(new OopTreeNodeAdapter(oop, null));
+    }
+  }
+
+  private void fireComputeLiveness() {
+    final Runnable cutoverButtonRunnable = new Runnable() {
+        public void run() {
+          livenessButton.removeActionListener(livenessButtonListener);
+          livenessButtonListener = null;
+          livenessButton.addActionListener(new ActionListener() {
+              public void actionPerformed(ActionEvent e) {
+                fireShowLiveness();
+              }
+            });
+          computeNumColumns();
+          livenessButton.setEnabled(true);
+          livenessButton.setText(showLivenessText);
+          dataModel.fireTableStructureChanged();
+        }
+      };
+
+
+    if (VM.getVM().getRevPtrs() != null) {
+      cutoverButtonRunnable.run();
+    } else {
+      final WorkerThread worker = new WorkerThread();
+      worker.invokeLater(new Runnable() {
+          public void run() {
+            try {
+              ReversePtrsAnalysis rev = new ReversePtrsAnalysis();
+              if (thunk != null) {
+                rev.setHeapProgressThunk(thunk);
+              }
+              rev.run();
+              cutoverButtonRunnable.run();
+            } finally {
+              worker.shutdown();
+            }
+          }
+        });
+    }
+  }
+
+  private void fireShowLiveness() {
+    if (VM.getVM().getRevPtrs() == null) {
+      return;
+    }
+
+    int i = table.getSelectedRow();
+    if (i < 0) {
+      return;
+    }
+
+    Oop oop = (Oop) elements.get(i);
+    LivenessPathList list = LivenessAnalysis.computeAllLivenessPaths(oop);
+    if (list == null) {
+      return; // dead object
+    }
+
+    for (Iterator iter = listeners.iterator(); iter.hasNext(); ) {
+      SAListener listener = (SAListener) iter.next();
+      listener.showLiveness(oop, list);
+    }
+  }
+
+  private void checkForArrays() {
+    if (checkedForArrays) return;
+    checkedForArrays = true;
+    for (Iterator iter = elements.iterator(); iter.hasNext(); ) {
+      if (iter.next() instanceof Array) {
+        hasArrays = true;
+        return;
+      }
+    }
+  }
+
+  private void computeNumColumns() {
+    checkForArrays();
+    numColumns = 3;
+    if (hasArrays)        ++numColumns;
+    if (VM.getVM().getRevPtrs() != null)  ++numColumns;
+  }
+}