/*******************************************************************************
* Copyright (c) 2007 Jeff Mesnil
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package net.jmesnil.jmx.ui.internal.editors;
import javax.management.MBeanOperationInfo;
import javax.management.MBeanParameterInfo;
import javax.management.MBeanServerConnection;
import javax.management.ObjectName;
import net.jmesnil.jmx.resources.MBeanOperationInfoWrapper;
import net.jmesnil.jmx.ui.JMXUIActivator;
import net.jmesnil.jmx.ui.internal.MBeanUtils;
import net.jmesnil.jmx.ui.internal.Messages;
import net.jmesnil.jmx.ui.internal.StringUtils;
import net.jmesnil.jmx.ui.internal.dialogs.OperationInvocationResultDialog;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.forms.AbstractFormPart;
import org.eclipse.ui.forms.IDetailsPage;
import org.eclipse.ui.forms.IFormPart;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.Section;
import org.eclipse.ui.forms.widgets.TableWrapData;
import org.eclipse.ui.forms.widgets.TableWrapLayout;
public class OperationDetails extends AbstractFormPart implements IDetailsPage {
private FormToolkit toolkit;
private Composite container;
private MBeanOperationInfoWrapper opInfoWrapper;
private Section section;
public OperationDetails(IFormPart masterSection) {
}
public void createContents(Composite parent) {
TableWrapLayout layout = new TableWrapLayout();
parent.setLayout(layout);
toolkit = getManagedForm().getToolkit();
section = toolkit.createSection(parent, Section.TITLE_BAR | SWT.WRAP
| Section.DESCRIPTION);
section.marginWidth = 10;
section.setText(Messages.OperationDetails_title);
section.setDescription(""); //$NON-NLS-1$
section.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
container = toolkit.createComposite(section);
section.setClient(container);
GridLayout glayout = new GridLayout();
glayout.marginWidth = glayout.marginHeight = 0;
glayout.numColumns = 2;
glayout.makeColumnsEqualWidth = false;
container.setLayout(glayout);
}
public void selectionChanged(IFormPart part, ISelection selection) {
if (!(selection instanceof IStructuredSelection))
return;
Object obj = ((IStructuredSelection) selection).getFirstElement();
if (obj instanceof MBeanOperationInfoWrapper) {
MBeanOperationInfoWrapper wrapper = (MBeanOperationInfoWrapper) obj;
if (wrapper == opInfoWrapper) {
return;
}
// update the currently selected contribution to the one to be
// displayed, if null
// the controls displayed are still disposed, this is to reflect
// a removed contribution
opInfoWrapper = wrapper;
drawInvocationDetails(wrapper);
} else {
clear();
}
}
public void clear() {
drawInvocationDetails(null);
}
protected void drawInvocationDetails(MBeanOperationInfoWrapper wrapper) {
if (container != null && !container.isDisposed()) {
// remove any controls created from prior selections
Control[] childs = container.getChildren();
if (childs.length > 0) {
for (int i = 0; i < childs.length; i++) {
childs[i].dispose();
}
}
}
if (wrapper == null) {
return;
}
MBeanOperationInfo opInfo = wrapper.getMBeanOperationInfo();
String desc = opInfo.getDescription();
// FIX issue #27: the MBean operation description can be null
if (desc != null) {
section.setDescription(desc);
}
// composite for method signature [ return type | method button | ( |
// Composite(1..n parameters) | ) ]
Composite c = toolkit.createComposite(container, SWT.NONE);
c.setLayout(new GridLayout(5, false));
// return type
Label returnTypeLabel = toolkit.createLabel(c,
opInfo.getReturnType() != null ? StringUtils.toString(opInfo
.getReturnType()) : "void"); //$NON-NLS-1$
returnTypeLabel.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER,
false, false));
// method name
InvokeOperationButton invocationButton = new InvokeOperationButton(c,
SWT.PUSH);
Label leftParenthesis = toolkit.createLabel(c, "("); //$NON-NLS-1$
leftParenthesis.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER,
false, false));
// parameters
final MBeanParameterInfo[] params = opInfo.getSignature();
Text[] textParams = null;
if (params.length > 0) {
Composite paramsComposite = toolkit.createComposite(c, SWT.NONE);
paramsComposite.setLayout(new GridLayout(1, false));
paramsComposite.setLayoutData(new GridData(SWT.BEGINNING, SWT.BOTTOM,
false, false));
textParams = new Text[params.length];
for (int j = 0; j < params.length; j++) {
MBeanParameterInfo param = params[j];
textParams[j] = new Text(paramsComposite, SWT.SINGLE
| SWT.BORDER);
textParams[j].setText(StringUtils.toString(param.getType()));
textParams[j].setLayoutData(new GridData(SWT.FILL, SWT.BOTTOM,
true, true));
}
paramsComposite.pack();
}
Label rightParenthesis = toolkit.createLabel(c, ")"); //$NON-NLS-1$
rightParenthesis.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER,
false, false));
invocationButton.setTextParams(textParams);
container.pack();
container.layout();
}
private class InvokeOperationButton extends SelectionAdapter {
private Text[] textParams;
private Button button;
public InvokeOperationButton(Composite parent, int style) {
button = toolkit.createButton(parent, opInfoWrapper
.getMBeanOperationInfo().getName(), style);
button.addSelectionListener(this);
button.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false,
false));
}
void setTextParams(Text[] textParams) {
this.textParams = textParams;
}
@Override
public void widgetSelected(SelectionEvent event) {
try {
MBeanParameterInfo[] paramInfos = opInfoWrapper
.getMBeanOperationInfo().getSignature();
Object[] paramList = null;
if (textParams != null) {
String[] strs = new String[textParams.length];
for (int i = 0; i < strs.length; i++) {
strs[i] = textParams[i].getText();
}
paramList = MBeanUtils.getParameters(strs, paramInfos);
}
MBeanServerConnection mbsc = opInfoWrapper
.getMBeanServerConnection();
ObjectName objectName = opInfoWrapper.getObjectName();
String methodName = opInfoWrapper.getMBeanOperationInfo()
.getName();
Object result;
if (paramList != null) {
String[] paramSig = new String[paramInfos.length];
for (int i = 0; i < paramSig.length; i++) {
paramSig[i] = paramInfos[i].getType();
}
result = mbsc.invoke(objectName, methodName, paramList,
paramSig);
} else {
result = mbsc.invoke(objectName, methodName, new Object[0],
new String[0]);
}
if ("void".equals(opInfoWrapper.getMBeanOperationInfo() //$NON-NLS-1$
.getReturnType())) {
MessageDialog.openInformation(container.getShell(),
Messages.OperationDetails_invocationResult,
Messages.OperationDetails_invocationSuccess);
return;
} else {
OperationInvocationResultDialog.open(container.getShell(), result);
}
} catch (Exception e) {
String message = e.getLocalizedMessage();
if (message == null) {
message = e.getClass().getName();
}
JMXUIActivator.log(IStatus.ERROR, e.getClass().getName(), e);
// if the exception has a cause, it is likely more interesting
// since it may be the exception thrown by the mbean
// implementation
// rather than the exception thrown by the mbean server
// connection
if (e.getCause() != null) {
message = e.getCause().getLocalizedMessage();
}
MessageDialog.openError(container.getShell(),
Messages.OperationDetails_invocationError, message);
}
}
}
}