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1   /*
2    * Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved.
3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4    *
5    * This code is free software; you can redistribute it and/or modify it
6    * under the terms of the GNU General Public License version 2 only, as
7    * published by the Free Software Foundation.
8    *
9    * This code is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12   * version 2 for more details (a copy is included in the LICENSE file that
13   * accompanied this code).
14   *
15   * You should have received a copy of the GNU General Public License version
16   * 2 along with this work; if not, write to the Free Software Foundation,
17   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18   *
19   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20   * or visit www.oracle.com if you need additional information or have any
21   * questions.
22   *
23   */
24  
25  package sun.jvm.hotspot.ui;
26  
27  import java.awt.*;
28  import javax.swing.*;
29  import javax.swing.event.*;
30  
31  import sun.jvm.hotspot.runtime.*;
32  import sun.jvm.hotspot.ui.classbrowser.*;
33  
34  /** Provides Java stack trace of a Java Thread */
35  
36  public class JavaStackTracePanel extends JPanel {
37      private JSplitPane          splitPane;
38      private SAEditorPane        stackTraceEditor;
39      private SAEditorPane        contentEditor;
40      private HTMLGenerator htmlGen = new HTMLGenerator();
41  
42      public JavaStackTracePanel() {
43          initUI();
44      }
45  
46      private void initUI() {
47          setLayout(new BorderLayout());
48          HyperlinkListener hyperListener = new HyperlinkListener() {
49                           public void hyperlinkUpdate(HyperlinkEvent e) {
50                              if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
51                                 setContentText(htmlGen.genHTMLForHyperlink(e.getDescription()));
52                              }
53                           }
54                        };
55  
56          stackTraceEditor = new SAEditorPane();
57          stackTraceEditor.addHyperlinkListener(hyperListener);
58  
59          contentEditor = new SAEditorPane();
60          contentEditor.addHyperlinkListener(hyperListener);
61  
62          JPanel topPanel = new JPanel();
63          topPanel.setLayout(new BorderLayout());
64          topPanel.add(new JScrollPane(stackTraceEditor), BorderLayout.CENTER);
65  
66          JPanel bottomPanel = new JPanel();
67          bottomPanel.setLayout(new BorderLayout());
68          bottomPanel.add(new JScrollPane(contentEditor), BorderLayout.CENTER);
69  
70          splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, topPanel, bottomPanel);
71          splitPane.setDividerLocation(0.4);
72  
73          setLayout(new BorderLayout());
74          add(splitPane, BorderLayout.CENTER);
75      }
76  
77      public void setJavaThread(final JavaThread thread) {
78          setStackTraceText(htmlGen.genHTMLForJavaStackTrace(thread));
79      }
80  
81      private void setStackTraceText(String text) {
82          stackTraceEditor.setText(text);
83      }
84  
85      private void setContentText(String text) {
86          contentEditor.setText(text);
87      }
88  }