| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.monitors; |
| |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.model.IDebugElement; |
| import org.eclipse.debug.core.model.IStackFrame; |
| import org.eclipse.jdt.debug.core.IJavaDebugTarget; |
| import org.eclipse.jdt.debug.core.IJavaThread; |
| import org.eclipse.jdt.debug.ui.JavaDebugUtils; |
| |
| /** |
| * Generates monitor information as well as stack frames |
| */ |
| public class DeferredJavaThread extends DeferredMonitorElement { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.model.IWorkbenchAdapter#getChildren(java.lang.Object) |
| */ |
| public Object[] getChildren(Object parent) { |
| IJavaThread thread = (IJavaThread) parent; |
| if (!thread.isSuspended()) { |
| return EMPTY; |
| } |
| try { |
| IStackFrame[] frames = thread.getStackFrames(); |
| if (!isDisplayMonitors()) { |
| return frames; |
| } |
| |
| Object[] children; |
| int length = frames.length; |
| if (((IJavaDebugTarget) thread.getDebugTarget()).supportsMonitorInformation()) { |
| IDebugElement[] ownedMonitors = JavaDebugUtils.getOwnedMonitors(thread); |
| IDebugElement contendedMonitor = JavaDebugUtils.getContendedMonitor(thread); |
| |
| if (ownedMonitors != null) { |
| length+=ownedMonitors.length; |
| } |
| if (contendedMonitor != null) { |
| length++; |
| } |
| children = new Object[length]; |
| if (ownedMonitors != null && ownedMonitors.length > 0) { |
| System.arraycopy(ownedMonitors, 0, children, 0, ownedMonitors.length); |
| } |
| if (contendedMonitor != null) { |
| // Insert the contended monitor after the owned monitors |
| children[ownedMonitors.length] = contendedMonitor; |
| } |
| } else { |
| children= new Object[length + 1]; |
| children[0]= new NoMonitorInformationElement(thread.getDebugTarget()); |
| } |
| int offset= children.length - frames.length; |
| System.arraycopy(frames, 0, children, offset, frames.length); |
| return children; |
| } catch (DebugException e) { |
| return EMPTY; |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.model.IWorkbenchAdapter#getParent(java.lang.Object) |
| */ |
| public Object getParent(Object element) { |
| return ((IJavaThread)element).getDebugTarget(); |
| } |
| |
| |
| } |