| /******************************************************************************* |
| * Copyright (c) 2000, 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.ui.actions; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.OperationCanceledException; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.ISchedulingRule; |
| import org.eclipse.core.runtime.jobs.Job; |
| |
| import org.eclipse.core.resources.IWorkspaceRunnable; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| |
| import org.eclipse.jface.operation.IRunnableContext; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.jface.operation.IThreadListener; |
| |
| import org.eclipse.jdt.core.JavaCore; |
| |
| import org.eclipse.jdt.internal.ui.JavaUIStatus; |
| |
| /** |
| * An {@link IRunnableWithProgress} that adapts an {@link IWorkspaceRunnable} so that is can be |
| * executed inside an {@link IRunnableContext}. The runnable is run as an |
| * {@linkplain JavaCore#run(IWorkspaceRunnable, ISchedulingRule, IProgressMonitor) atomic Java model operation}. |
| * <p> |
| * {@link OperationCanceledException}s thrown by the |
| * adapted runnable are caught and re-thrown as {@link InterruptedException}s. |
| */ |
| public class WorkbenchRunnableAdapter implements IRunnableWithProgress, IThreadListener { |
| |
| private boolean fTransfer= false; |
| private IWorkspaceRunnable fWorkspaceRunnable; |
| private ISchedulingRule fRule; |
| |
| /** |
| * Runs a workspace runnable with the workspace lock. |
| * |
| * @param runnable the runnable |
| */ |
| public WorkbenchRunnableAdapter(IWorkspaceRunnable runnable) { |
| this(runnable, ResourcesPlugin.getWorkspace().getRoot()); |
| } |
| |
| /** |
| * Runs a workspace runnable with the given lock or <code>null</code> to run with no lock at |
| * all. |
| * |
| * @param runnable the runnable |
| * @param rule the scheduling rule, or <code>null</code> |
| */ |
| public WorkbenchRunnableAdapter(IWorkspaceRunnable runnable, ISchedulingRule rule) { |
| fWorkspaceRunnable= runnable; |
| fRule= rule; |
| } |
| |
| /** |
| * Runs a workspace runnable with the given lock or <code>null</code> to run with no lock at |
| * all. |
| * |
| * @param runnable the runnable |
| * @param rule the scheduling rule, or <code>null</code> |
| * @param transfer <code>true</code> iff the rule is to be transfered to the modal context |
| * thread |
| */ |
| public WorkbenchRunnableAdapter(IWorkspaceRunnable runnable, ISchedulingRule rule, boolean transfer) { |
| fWorkspaceRunnable= runnable; |
| fRule= rule; |
| fTransfer= transfer; |
| } |
| |
| /** |
| * Returns the scheduling rule, or <code>null</code> if none. |
| * |
| * @return the scheduling rule, or <code>null</code> if none |
| */ |
| public ISchedulingRule getSchedulingRule() { |
| return fRule; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void threadChange(Thread thread) { |
| if (fTransfer) |
| Job.getJobManager().transferRule(fRule, thread); |
| } |
| |
| /* |
| * @see IRunnableWithProgress#run(IProgressMonitor) |
| */ |
| public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { |
| try { |
| JavaCore.run(fWorkspaceRunnable, fRule, monitor); |
| } catch (OperationCanceledException e) { |
| throw new InterruptedException(e.getMessage()); |
| } catch (CoreException e) { |
| throw new InvocationTargetException(e); |
| } |
| } |
| |
| public void runAsUserJob(String name, final Object jobFamiliy) { |
| Job job= new Job(name) { |
| /* (non-Javadoc) |
| * @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| @Override |
| protected IStatus run(IProgressMonitor monitor) { |
| try { |
| WorkbenchRunnableAdapter.this.run(monitor); |
| } catch (InvocationTargetException e) { |
| Throwable cause= e.getCause(); |
| if (cause instanceof CoreException) { |
| return ((CoreException) cause).getStatus(); |
| } else { |
| return JavaUIStatus.createError(IStatus.ERROR, cause); |
| } |
| } catch (InterruptedException e) { |
| return Status.CANCEL_STATUS; |
| } finally { |
| monitor.done(); |
| } |
| return Status.OK_STATUS; |
| } |
| @Override |
| public boolean belongsTo(Object family) { |
| return jobFamiliy == family; |
| } |
| }; |
| job.setRule(fRule); |
| job.setUser(true); |
| job.schedule(); |
| |
| // TODO: should block until user pressed 'to background' |
| } |
| } |