| /******************************************************************************* |
| * Copyright (c) 2006, 2011 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.threadgroups; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.core.model.IDebugTarget; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate; |
| import org.eclipse.jdt.debug.core.IJavaThread; |
| import org.eclipse.jdt.debug.core.IJavaThreadGroup; |
| import org.eclipse.jdt.internal.debug.ui.monitors.JavaElementContentProvider; |
| |
| /** |
| * @since 3.3 |
| */ |
| public class JavaThreadGroupContentProvider extends JavaElementContentProvider { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.viewers.model.provisional.elements.ElementContentProvider#getChildCount(java.lang.Object, org.eclipse.debug.internal.ui.viewers.provisional.IPresentationContext) |
| */ |
| @Override |
| protected int getChildCount(Object element, IPresentationContext context, IViewerUpdate monitor) throws CoreException { |
| int count = 0; |
| if (element instanceof IJavaThreadGroup) { |
| IJavaThreadGroup group = (IJavaThreadGroup) element; |
| if (isAvailable(group)) { |
| count += group.getThreadGroups().length; |
| count += group.getThreads().length; |
| } |
| } |
| return count; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.model.elements.ElementContentProvider#getChildren(java.lang.Object, int, int, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| @Override |
| protected Object[] getChildren(Object parent, int index, int length, IPresentationContext context, IViewerUpdate monitor) throws CoreException { |
| if (parent instanceof IJavaThreadGroup) { |
| return getElements(getChildren((IJavaThreadGroup) parent), index, length); |
| } |
| return EMPTY; |
| } |
| |
| protected Object[] getChildren(IJavaThreadGroup group) throws CoreException { |
| if (isAvailable(group)) { |
| IJavaThreadGroup[] threadGroups = group.getThreadGroups(); |
| IJavaThread[] threads = group.getThreads(); |
| Object[] kids = new Object[threadGroups.length + threads.length]; |
| int index = 0; |
| for (int i = 0; i < threads.length; i++) { |
| kids[index]= threads[i]; |
| index++; |
| } |
| for (int i = 0; i < threadGroups.length; i++) { |
| kids[index] = threadGroups[i]; |
| index++; |
| } |
| return kids; |
| } |
| return EMPTY; |
| } |
| |
| protected boolean isAvailable(IJavaThreadGroup group) { |
| IDebugTarget debugTarget = group.getDebugTarget(); |
| return !(debugTarget.isTerminated() || debugTarget.isDisconnected()); |
| } |
| |
| } |