Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/ui/CommandProcessorPanel.java @ 152:c70a245cad3a
6670684: 4/5 SA command universe did not print out CMS space information
Summary: Forward port of Yumin's fix for 6670684 from HSX-11; Yumin verified the port was correct.
Reviewed-by: dcubed
| author | dcubed |
|---|---|
| date | Fri, 09 May 2008 08:55:13 -0700 |
| parents | a61af66fc99e |
| children | d1605aabd0a1 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * Copyright 2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.ui; | |
| 26 | |
| 27 import java.io.*; | |
| 28 import java.awt.*; | |
| 29 import java.awt.event.*; | |
| 30 import javax.swing.*; | |
| 31 import javax.swing.event.*; | |
| 32 import javax.swing.text.*; | |
| 33 | |
| 34 import sun.jvm.hotspot.CommandProcessor; | |
| 35 import sun.jvm.hotspot.debugger.*; | |
| 36 import sun.jvm.hotspot.utilities.*; | |
| 37 | |
| 38 /** A JPanel subclass containing a scrollable text area displaying the | |
| 39 debugger's console, if it has one. This should not be created for | |
| 40 a debugger which does not have a console. */ | |
| 41 | |
| 42 public class CommandProcessorPanel extends JPanel { | |
| 43 private CommandProcessor commands; | |
| 44 private JTextArea editor; | |
| 45 private boolean updating; | |
| 46 private int mark; | |
| 47 private String curText; // handles multi-line input via '\' | |
| 48 | |
| 49 // Don't run the "main" method of this class unless this flag is set to true first | |
| 50 private static final boolean DEBUGGING = false; | |
| 51 | |
| 52 ByteArrayOutputStream baos = new ByteArrayOutputStream(10240); | |
| 53 | |
| 54 | |
| 55 public CommandProcessorPanel(CommandProcessor cp) { | |
| 56 | |
| 57 commands = cp; | |
| 58 | |
| 59 setLayout(new BorderLayout()); | |
| 60 | |
| 61 editor = new JTextArea(); | |
| 62 editor.setDocument(new EditableAtEndDocument()); | |
| 63 editor.setFont(GraphicsUtilities.lookupFont("Courier")); | |
| 64 JScrollPane scroller = new JScrollPane(); | |
| 65 scroller.getViewport().add(editor); | |
| 66 add(scroller, BorderLayout.CENTER); | |
| 67 | |
| 68 // Set up out | |
| 69 PrintStream o = new PrintStream(baos, true); | |
| 70 cp.setOutput(o); | |
| 71 cp.setErr(o); | |
| 72 | |
| 73 editor.getDocument().addDocumentListener(new DocumentListener() { | |
| 74 public void changedUpdate(DocumentEvent e) { | |
| 75 } | |
| 76 | |
| 77 public void insertUpdate(DocumentEvent e) { | |
| 78 if (updating) return; | |
| 79 beginUpdate(); | |
| 80 editor.setCaretPosition(editor.getDocument().getLength()); | |
| 81 if (insertContains(e, '\n')) { | |
| 82 String cmd = getMarkedText(); | |
| 83 // Handle multi-line input | |
| 84 if ((cmd.length() == 0) || (cmd.charAt(cmd.length() - 1) != '\\')) { | |
| 85 // Trim "\\n" combinations | |
| 86 final String ln = trimContinuations(cmd); | |
| 87 SwingUtilities.invokeLater(new Runnable() { | |
| 88 public void run() { | |
| 89 beginUpdate(); | |
| 90 try { | |
| 91 commands.executeCommand(ln); | |
| 92 commands.printPrompt(); | |
| 93 Document d = editor.getDocument(); | |
| 94 try { | |
| 95 d.insertString(d.getLength(), baos.toString(), null); | |
| 96 } | |
| 97 catch (BadLocationException ble) { | |
| 98 ble.printStackTrace(); | |
| 99 } | |
| 100 baos.reset(); | |
| 101 editor.setCaretPosition(editor.getDocument().getLength()); | |
| 102 setMark(); | |
| 103 } finally { | |
| 104 endUpdate(); | |
| 105 } | |
| 106 } | |
| 107 }); | |
| 108 } | |
| 109 } else { | |
| 110 endUpdate(); | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 public void removeUpdate(DocumentEvent e) { | |
| 115 } | |
| 116 }); | |
| 117 | |
| 118 // This is a bit of a hack but is probably better than relying on | |
| 119 // the JEditorPane to update the caret's position precisely the | |
| 120 // size of the insertion | |
| 121 editor.addCaretListener(new CaretListener() { | |
| 122 public void caretUpdate(CaretEvent e) { | |
| 123 int len = editor.getDocument().getLength(); | |
| 124 if (e.getDot() > len) { | |
| 125 editor.setCaretPosition(len); | |
| 126 } | |
| 127 } | |
| 128 }); | |
| 129 | |
| 130 Box hbox = Box.createHorizontalBox(); | |
| 131 hbox.add(Box.createGlue()); | |
| 132 JButton button = new JButton("Clear Saved Text"); | |
| 133 button.addActionListener(new ActionListener() { | |
| 134 public void actionPerformed(ActionEvent e) { | |
| 135 clear(); | |
| 136 } | |
| 137 }); | |
| 138 hbox.add(button); | |
| 139 hbox.add(Box.createGlue()); | |
| 140 add(hbox, BorderLayout.SOUTH); | |
| 141 | |
| 142 clear(); | |
| 143 } | |
| 144 | |
| 145 public void requestFocus() { | |
| 146 editor.requestFocus(); | |
| 147 } | |
| 148 | |
| 149 public void clear() { | |
| 150 EditableAtEndDocument d = (EditableAtEndDocument) editor.getDocument(); | |
| 151 d.clear(); | |
| 152 commands.executeCommand(""); | |
| 153 setMark(); | |
| 154 editor.requestFocus(); | |
| 155 } | |
| 156 | |
| 157 public void setMark() { | |
| 158 ((EditableAtEndDocument) editor.getDocument()).setMark(); | |
| 159 } | |
| 160 | |
| 161 public String getMarkedText() { | |
| 162 try { | |
| 163 String s = ((EditableAtEndDocument) editor.getDocument()).getMarkedText(); | |
| 164 int i = s.length(); | |
| 165 while ((i > 0) && (s.charAt(i - 1) == '\n')) { | |
| 166 i--; | |
| 167 } | |
| 168 return s.substring(0, i); | |
| 169 } | |
| 170 catch (BadLocationException e) { | |
| 171 e.printStackTrace(); | |
| 172 return null; | |
| 173 } | |
| 174 } | |
| 175 | |
| 176 //-------------------------------------------------------------------------------- | |
| 177 // Internals only below this point | |
| 178 // | |
| 179 | |
| 180 private void beginUpdate() { | |
| 181 updating = true; | |
| 182 } | |
| 183 | |
| 184 private void endUpdate() { | |
| 185 updating = false; | |
| 186 } | |
| 187 | |
| 188 private boolean insertContains(DocumentEvent e, char c) { | |
| 189 String s = null; | |
| 190 try { | |
| 191 s = editor.getText(e.getOffset(), e.getLength()); | |
| 192 for (int i = 0; i < e.getLength(); i++) { | |
| 193 if (s.charAt(i) == c) { | |
| 194 return true; | |
| 195 } | |
| 196 } | |
| 197 } | |
| 198 catch (BadLocationException ex) { | |
| 199 ex.printStackTrace(); | |
| 200 } | |
| 201 return false; | |
| 202 } | |
| 203 | |
| 204 private String trimContinuations(String text) { | |
| 205 int i; | |
| 206 while ((i = text.indexOf("\\\n")) >= 0) { | |
| 207 text = text.substring(0, i) + text.substring(i+2, text.length()); | |
| 208 } | |
| 209 return text; | |
| 210 } | |
| 211 | |
| 212 public static void main(String[] args) { | |
| 213 JFrame frame = new JFrame(); | |
| 214 frame.getContentPane().setLayout(new BorderLayout()); | |
| 215 CommandProcessorPanel panel = new CommandProcessorPanel(null); | |
| 216 frame.getContentPane().add(panel, BorderLayout.CENTER); | |
| 217 frame.addWindowListener(new WindowAdapter() { | |
| 218 public void windowClosing(WindowEvent e) { | |
| 219 System.exit(0); | |
| 220 } | |
| 221 }); | |
| 222 frame.setSize(500, 500); | |
|
152
c70a245cad3a
6670684: 4/5 SA command universe did not print out CMS space information
dcubed
parents:
0
diff
changeset
|
223 frame.setVisible(true); |
| 0 | 224 panel.requestFocus(); |
| 225 } | |
| 226 } |