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The MBeans plugin integrates JConsole's MBeans tab functionality into VisualVM.
/*
* Copyright (c) 2007, 2018, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package org.graalvm.visualvm.modules.mbeans;
import javax.swing.*;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.FlowLayout;
import java.awt.Component;
import java.awt.event.*;
import java.rmi.UnmarshalException;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.management.*;
class XMBeanOperations extends JPanel implements ActionListener {
private final static Logger LOGGER = Logger.getLogger(XMBeanOperations.class.getName());
public final static String OPERATION_INVOCATION_EVENT =
"jam.xoperations.invoke.result"; // NOI18N
private java.util.List notificationListenersList;
private Hashtable operationEntryTable;
private XMBean mbean;
private MBeanInfo mbeanInfo;
private MBeansTab mbeansTab;
public XMBeanOperations(MBeansTab mbeansTab) {
super(new GridLayout(1,1));
this.mbeansTab = mbeansTab;
operationEntryTable = new Hashtable();
ArrayList l =
new ArrayList(1);
notificationListenersList =
Collections.synchronizedList(l);
}
// Call on EDT
public void removeOperations() {
removeAll();
}
// Call on EDT
public void loadOperations(XMBean mbean,MBeanInfo mbeanInfo) {
this.mbean = mbean;
this.mbeanInfo = mbeanInfo;
// add operations information
MBeanOperationInfo operations[] = mbeanInfo.getOperations();
invalidate();
// remove listeners, if any
Component listeners[] = getComponents();
for (int i = 0; i < listeners.length; i++)
if (listeners[i] instanceof JButton)
((JButton)listeners[i]).removeActionListener(this);
removeAll();
setLayout(new BorderLayout());
JButton methodButton;
JLabel methodLabel;
JPanel innerPanelLeft,innerPanelRight;
JPanel outerPanelLeft,outerPanelRight;
outerPanelLeft = new JPanel(new GridLayout(operations.length,1));
outerPanelRight = new JPanel(new GridLayout(operations.length,1));
for (int i=0;i20) {
methodLabel.setText(methodLabel.getText().
substring(methodLabel.getText().
lastIndexOf(".")+1, // NOI18N
methodLabel.getText().length()));
}
methodButton = new JButton(operations[i].getName());
methodButton.setToolTipText(operations[i].getDescription());
boolean callable = isCallable(operations[i].getSignature());
if(callable)
methodButton.addActionListener(this);
else
methodButton.setEnabled(false);
MBeanParameterInfo[] signature = operations[i].getSignature();
OperationEntry paramEntry = new OperationEntry(operations[i],
callable,
methodButton,
this);
operationEntryTable.put(methodButton, paramEntry);
innerPanelRight.add(methodButton);
if(signature.length==0)
innerPanelRight.add(new JLabel("( )",JLabel.CENTER)); // NOI18N
else
innerPanelRight.add(paramEntry);
outerPanelLeft.add(innerPanelLeft,BorderLayout.WEST);
outerPanelRight.add(innerPanelRight,BorderLayout.CENTER);
}
add(outerPanelLeft,BorderLayout.WEST);
add(outerPanelRight,BorderLayout.CENTER);
validate();
}
private boolean isCallable(MBeanParameterInfo[] signature) {
for(int i = 0; i < signature.length; i++) {
if(!Utils.isEditableType(signature[i].getType()))
return false;
}
return true;
}
// Call on EDT
public void actionPerformed(final ActionEvent e) {
performInvokeRequest((JButton)e.getSource());
}
void performInvokeRequest(final JButton button) {
final OperationEntry entryIf = operationEntryTable.get(button);
SwingWorker sw = new SwingWorker() {
@Override
public Object doInBackground() throws Exception {
return mbean.invoke(button.getText(),
entryIf.getParameters(), entryIf.getSignature());
}
@Override
protected void done() {
try {
Object result = get();
// sends result notification to upper level if
// there is a return value
if (entryIf.getReturnType() != null &&
!entryIf.getReturnType().equals(Void.TYPE.getName()) &&
!entryIf.getReturnType().equals(Void.class.getName()))
fireChangedNotification(OPERATION_INVOCATION_EVENT, button, result);
else
new ThreadDialog(
button,
Resources.getText("LBL_MethodSuccessfullyInvoked"), // NOI18N
Resources.getText("LBL_Info"), // NOI18N
JOptionPane.INFORMATION_MESSAGE).run();
} catch (Throwable t) {
t = Utils.getActualException(t);
LOGGER.throwing(XMBeanOperations.class.getName(), "performInvokeRequest", t); // NOI18N
t = checkCNFE(t);
new ThreadDialog(
button,
Resources.getText("LBL_ProblemInvoking") + " " + // NOI18N
button.getText() + " : " + t.toString(), // NOI18N
Resources.getText("LBL_Error"), // NOI18N
JOptionPane.ERROR_MESSAGE).run();
}
}
private Throwable checkCNFE(Throwable t) {
if (t instanceof UnmarshalException) {
Throwable nt = t.getCause();
if (nt instanceof ClassNotFoundException) {
return new RuntimeException("Cannot instantiate remote class "+nt.getMessage()); // NOI18N
}
}
return t;
}
};
mbeansTab.getRequestProcessor().post(sw);
}
public void addOperationsListener(NotificationListener nl) {
notificationListenersList.add(nl);
}
public void removeOperationsListener(NotificationListener nl) {
notificationListenersList.remove(nl);
}
// Call on EDT
private void fireChangedNotification(
String type, Object source, Object handback) {
Notification n = new Notification(type, source, 0);
for(NotificationListener nl : notificationListenersList)
nl.handleNotification(n, handback);
}
}