| /******************************************************************************* |
| * Copyright (c) 2010, 2012 IBM Corporation and others. |
| * 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 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.ui.heapwalking; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jdt.debug.core.IJavaDebugTarget; |
| import org.eclipse.jdt.internal.debug.core.model.JDIReferenceType; |
| import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.osgi.util.NLS; |
| |
| /** |
| * Action to display the instance count for a selected type. |
| * |
| * @since 3.6 |
| */ |
| public class InstanceCountActionDelegate extends AllInstancesActionDelegate { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.debug.ui.heapwalking.AllInstancesActionDelegate#displayInstaces(org.eclipse.jdt.debug.core.IJavaDebugTarget, org.eclipse.jdt.internal.debug.core.model.JDIReferenceType) |
| */ |
| @Override |
| protected void displayInstaces(IJavaDebugTarget target, JDIReferenceType rtype) { |
| try { |
| displayNumInstances(rtype.getName(), rtype.getInstanceCount()); |
| } catch (CoreException e) { |
| JDIDebugUIPlugin.log(e); |
| report(Messages.AllInstancesActionDelegate_0,getPart()); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.debug.ui.heapwalking.AllInstancesActionDelegate#displayNoInstances(org.eclipse.jdt.debug.core.IJavaDebugTarget, java.lang.String) |
| */ |
| @Override |
| protected void displayNoInstances(IJavaDebugTarget target, String typeName) { |
| displayNumInstances(typeName, 0); |
| } |
| |
| /** |
| * Displays a message dialog with the number of instances. |
| * |
| * @param typeName type name |
| * @param instanceCount number of instances |
| */ |
| protected void displayNumInstances(String typeName, long instanceCount) { |
| String message = null; |
| if (instanceCount == 0L) { |
| message = NLS.bind(Messages.InstanceCountActionDelegate_0, new String[]{typeName}); |
| } else if (instanceCount == 1L) { |
| message = NLS.bind(Messages.InstanceCountActionDelegate_1, new String[]{typeName}); |
| } else { |
| message = NLS.bind(Messages.InstanceCountActionDelegate_2, new String[]{Long.toString(instanceCount), typeName}); |
| } |
| MessageDialog.openInformation(getShell(), Messages.InstanceCountActionDelegate_3, message); |
| } |
| } |