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| 1 | /* | ||
| 2 | * Copyright (c) 2004, 2008, 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. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.tools.jconsole; | ||
| 27 | |||
| 28 | import java.awt.BorderLayout; | ||
| 29 | import java.awt.EventQueue; | ||
| 30 | import java.awt.event.MouseAdapter; | ||
| 31 | import java.awt.event.MouseEvent; | ||
| 32 | import java.awt.event.MouseListener; | ||
| 33 | import java.beans.*; | ||
| 34 | import java.io.*; | ||
| 35 | import java.util.Set; | ||
| 36 | import javax.management.*; | ||
| 37 | import javax.swing.*; | ||
| 38 | import javax.swing.event.*; | ||
| 39 | import javax.swing.tree.*; | ||
| 40 | import sun.tools.jconsole.ProxyClient.SnapshotMBeanServerConnection; | ||
| 41 | import sun.tools.jconsole.inspector.*; | ||
| 42 | |||
| 43 | import com.sun.tools.jconsole.JConsoleContext; | ||
| 44 | |||
| 45 | @SuppressWarnings("serial") | ||
| 46 | public class MBeansTab extends Tab implements | ||
| 47 | NotificationListener, PropertyChangeListener, | ||
| 48 | TreeSelectionListener, TreeWillExpandListener { | ||
| 49 | |||
| 50 | private XTree tree; | ||
| 51 | private XSheet sheet; | ||
| 52 | private XDataViewer viewer; | ||
| 53 | |||
| 54 | public static String getTabName() { | ||
| 55 | return Resources.getText("MBeans"); | ||
| 56 | } | ||
| 57 | |||
| 58 | public MBeansTab(final VMPanel vmPanel) { | ||
| 59 | super(vmPanel, getTabName()); | ||
| 60 | addPropertyChangeListener(this); | ||
| 61 | setupTab(); | ||
| 62 | } | ||
| 63 | |||
| 64 | public XDataViewer getDataViewer() { | ||
| 65 | return viewer; | ||
| 66 | } | ||
| 67 | |||
| 68 | public XTree getTree() { | ||
| 69 | return tree; | ||
| 70 | } | ||
| 71 | |||
| 72 | public XSheet getSheet() { | ||
| 73 | return sheet; | ||
| 74 | } | ||
| 75 | |||
| 76 | @Override | ||
| 77 | public void dispose() { | ||
| 78 | super.dispose(); | ||
| 79 | sheet.dispose(); | ||
| 80 | } | ||
| 81 | |||
| 82 | public int getUpdateInterval() { | ||
| 83 | return vmPanel.getUpdateInterval(); | ||
| 84 | } | ||
| 85 | |||
| 86 | private void buildMBeanServerView() { | ||
| 87 | new SwingWorker<Set<ObjectName>, Void>() { | ||
| 88 | @Override | ||
| 89 | public Set<ObjectName> doInBackground() { | ||
| 90 | // Register listener for MBean registration/unregistration | ||
| 91 | // | ||
| 92 | try { | ||
| 93 | getMBeanServerConnection().addNotificationListener( | ||
| 94 | MBeanServerDelegate.DELEGATE_NAME, | ||
| 95 | MBeansTab.this, | ||
| 96 | null, | ||
| 97 | null); | ||
| 98 | } catch (InstanceNotFoundException e) { | ||
| 99 | // Should never happen because the MBeanServerDelegate | ||
| 100 | // is always present in any standard MBeanServer | ||
| 101 | // | ||
| 102 | if (JConsole.isDebug()) { | ||
| 103 | e.printStackTrace(); | ||
| 104 | } | ||
| 105 | } catch (IOException e) { | ||
| 106 | if (JConsole.isDebug()) { | ||
| 107 | e.printStackTrace(); | ||
| 108 | } | ||
| 109 | vmPanel.getProxyClient().markAsDead(); | ||
| 110 | return null; | ||
| 111 | } | ||
| 112 | // Retrieve MBeans from MBeanServer | ||
| 113 | // | ||
| 114 | Set<ObjectName> mbeans = null; | ||
| 115 | try { | ||
| 116 | mbeans = getMBeanServerConnection().queryNames(null, null); | ||
| 117 | } catch (IOException e) { | ||
| 118 | if (JConsole.isDebug()) { | ||
| 119 | e.printStackTrace(); | ||
| 120 | } | ||
| 121 | vmPanel.getProxyClient().markAsDead(); | ||
| 122 | return null; | ||
| 123 | } | ||
| 124 | return mbeans; | ||
| 125 | } | ||
| 126 | @Override | ||
| 127 | protected void done() { | ||
| 128 | try { | ||
| 129 | // Wait for mbsc.queryNames() result | ||
| 130 | Set<ObjectName> mbeans = get(); | ||
| 131 | // Do not display anything until the new tree has been built | ||
| 132 | // | ||
| 133 | tree.setVisible(false); | ||
| 134 | // Cleanup current tree | ||
| 135 | // | ||
| 136 | tree.removeAll(); | ||
| 137 | // Add MBeans to tree | ||
| 138 | // | ||
| 139 | tree.addMBeansToView(mbeans); | ||
| 140 | // Display the new tree | ||
| 141 | // | ||
| 142 | tree.setVisible(true); | ||
| 143 | } catch (Exception e) { | ||
| 144 | Throwable t = Utils.getActualException(e); | ||
| 145 | if (JConsole.isDebug()) { | ||
| 146 | System.err.println("Problem at MBean tree construction"); | ||
| 147 | t.printStackTrace(); | ||
| 148 | } | ||
| 149 | } | ||
| 150 | } | ||
| 151 | }.execute(); | ||
| 152 | } | ||
| 153 | |||
| 154 | public MBeanServerConnection getMBeanServerConnection() { | ||
| 155 | return vmPanel.getProxyClient().getMBeanServerConnection(); | ||
| 156 | } | ||
| 157 | |||
| 158 | public SnapshotMBeanServerConnection getSnapshotMBeanServerConnection() { | ||
| 159 | return vmPanel.getProxyClient().getSnapshotMBeanServerConnection(); | ||
| 160 | } | ||
| 161 | |||
| 162 | @Override | ||
| 163 | public void update() { | ||
| 164 | // Ping the connection to see if it is still alive. At | ||
| 165 | // some point the ProxyClient class should centralize | ||
| 166 | // the connection aliveness monitoring and no longer | ||
| 167 | // rely on the custom tabs to ping the connections. | ||
| 168 | // | ||
| 169 | try { | ||
| 170 | getMBeanServerConnection().getDefaultDomain(); | ||
| 171 | } catch (IOException ex) { | ||
| 172 | vmPanel.getProxyClient().markAsDead(); | ||
| 173 | } | ||
| 174 | } | ||
| 175 | |||
| 176 | private void setupTab() { | ||
| 177 | // set up the split pane with the MBean tree and MBean sheet panels | ||
| 178 | setLayout(new BorderLayout()); | ||
| 179 | JSplitPane mainSplit = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT); | ||
| 180 | mainSplit.setDividerLocation(160); | ||
| 181 | mainSplit.setBorder(BorderFactory.createEmptyBorder()); | ||
| 182 | |||
| 183 | // set up the MBean tree panel (left pane) | ||
| 184 | tree = new XTree(this); | ||
| 185 | tree.setCellRenderer(new XTreeRenderer()); | ||
| 186 | tree.getSelectionModel().setSelectionMode( | ||
| 187 | TreeSelectionModel.SINGLE_TREE_SELECTION); | ||
| 188 | tree.addTreeSelectionListener(this); | ||
| 189 | tree.addTreeWillExpandListener(this); | ||
| 190 | tree.addMouseListener(ml); | ||
| 191 | JScrollPane theScrollPane = new JScrollPane( | ||
| 192 | tree, | ||
| 193 | JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, | ||
| 194 | JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); | ||
| 195 | JPanel treePanel = new JPanel(new BorderLayout()); | ||
| 196 | treePanel.add(theScrollPane, BorderLayout.CENTER); | ||
| 197 | mainSplit.add(treePanel, JSplitPane.LEFT, 0); | ||
| 198 | |||
| 199 | // set up the MBean sheet panel (right pane) | ||
| 200 | viewer = new XDataViewer(this); | ||
| 201 | sheet = new XSheet(this); | ||
| 202 | mainSplit.add(sheet, JSplitPane.RIGHT, 0); | ||
| 203 | |||
| 204 | add(mainSplit); | ||
| 205 | } | ||
| 206 | |||
| 207 | /* notification listener: handleNotification */ | ||
| 208 | public void handleNotification( | ||
| 209 | final Notification notification, Object handback) { | ||
| 210 | EventQueue.invokeLater(new Runnable() { | ||
| 211 | public void run() { | ||
| 212 | if (notification instanceof MBeanServerNotification) { | ||
| 213 | ObjectName mbean = | ||
| 214 | ((MBeanServerNotification) notification).getMBeanName(); | ||
| 215 | if (notification.getType().equals( | ||
| 216 | MBeanServerNotification.REGISTRATION_NOTIFICATION)) { | ||
| 217 | tree.addMBeanToView(mbean); | ||
| 218 | } else if (notification.getType().equals( | ||
| 219 | MBeanServerNotification.UNREGISTRATION_NOTIFICATION)) { | ||
| 220 | tree.removeMBeanFromView(mbean); | ||
| 221 | } | ||
| 222 | } | ||
| 223 | } | ||
| 224 | }); | ||
| 225 | } | ||
| 226 | |||
| 227 | /* property change listener: propertyChange */ | ||
| 228 | public void propertyChange(PropertyChangeEvent evt) { | ||
| 229 | if (JConsoleContext.CONNECTION_STATE_PROPERTY.equals(evt.getPropertyName())) { | ||
| 230 | boolean connected = (Boolean) evt.getNewValue(); | ||
| 231 | if (connected) { | ||
| 232 | buildMBeanServerView(); | ||
| 233 | } else { | ||
| 234 | sheet.dispose(); | ||
| 235 | } | ||
| 236 | } | ||
| 237 | } | ||
| 238 | |||
| 239 | /* tree selection listener: valueChanged */ | ||
| 240 | public void valueChanged(TreeSelectionEvent e) { | ||
| 241 | DefaultMutableTreeNode node = | ||
| 242 | (DefaultMutableTreeNode) tree.getLastSelectedPathComponent(); | ||
| 243 | sheet.displayNode(node); | ||
| 244 | } | ||
| 245 | /* tree mouse listener: mousePressed */ | ||
| 246 | private MouseListener ml = new MouseAdapter() { | ||
| 247 | @Override | ||
| 248 | public void mousePressed(MouseEvent e) { | ||
| 249 | if (e.getClickCount() == 1) { | ||
| 250 | int selRow = tree.getRowForLocation(e.getX(), e.getY()); | ||
| 251 | if (selRow != -1) { | ||
| 252 | TreePath selPath = | ||
| 253 | tree.getPathForLocation(e.getX(), e.getY()); | ||
| 254 | DefaultMutableTreeNode node = | ||
| 255 | (DefaultMutableTreeNode) selPath.getLastPathComponent(); | ||
| 256 | if (sheet.isMBeanNode(node)) { | ||
| 257 | tree.expandPath(selPath); | ||
| 258 | } | ||
| 259 | } | ||
| 260 | } | ||
| 261 | } | ||
| 262 | }; | ||
| 263 | |||
| 264 | /* tree will expand listener: treeWillExpand */ | ||
| 265 | public void treeWillExpand(TreeExpansionEvent e) | ||
| 266 | throws ExpandVetoException { | ||
| 267 | TreePath path = e.getPath(); | ||
| 268 | if (!tree.hasBeenExpanded(path)) { | ||
| 269 | DefaultMutableTreeNode node = | ||
| 270 | (DefaultMutableTreeNode) path.getLastPathComponent(); | ||
| 271 | if (sheet.isMBeanNode(node) && !tree.hasMetadataNodes(node)) { | ||
| 272 | tree.addMetadataNodes(node); | ||
| 273 | } | ||
| 274 | } | ||
| 275 | } | ||
| 276 | |||
| 277 | /* tree will expand listener: treeWillCollapse */ | ||
| 278 | public void treeWillCollapse(TreeExpansionEvent e) | ||
| 279 | throws ExpandVetoException { | ||
| 280 | } | ||
| 281 | } | ||