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/*******************************************************************************
* Copyright (c) 2004, 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
*******************************************************************************/
/*
* $RCSfile: UIRunner.java,v $
* $Revision: 1.4 $ $Date: 2005/08/24 20:39:05 $
*/
package org.eclipse.jem.internal.proxy.core;
import java.lang.reflect.InvocationTargetException;
import java.util.logging.Level;
import org.eclipse.core.runtime.*;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.PlatformUI;
/**
* The actual implementation of IUIRunner to run the build under
* IProgressService control if in the UI thread.
*
* <package-protected> because should only be used within here.
*
* @since 1.0.0
*/
class UIRunner implements IUIRunner {
/*
* Special class that takes a progress monitor 1 and only handles isCanceled from it,
* but everything else is forwarded to progress monitor 2. This allows the pm that
* is sent into handleBuild to signal a cancel even though the progress service
* sends in its own pm.
*
* @since 1.0.0
*/
private static class UIRunnerProgressMonitor extends ProgressMonitorWrapper {
private IProgressMonitor pmcancel;
public UIRunnerProgressMonitor(IProgressMonitor pmcancel, IProgressMonitor pmmain) {
super(pmmain);
this.pmcancel = pmcancel;
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.IProgressMonitor#isCanceled()
*/
public boolean isCanceled() {
return pmcancel.isCanceled() || super.isCanceled();
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.IProgressMonitor#setCanceled(boolean)
*/
public void setCanceled(boolean value) {
super.setCanceled(value);
pmcancel.setCanceled(value); // Cancel it too now.
}
}
/* (non-Javadoc)
* @see org.eclipse.jem.internal.proxy.core.IUIRunner#handleBuild(org.eclipse.core.runtime.IProgressMonitor)
*/
public void handleBuild(final IProgressMonitor pm) throws CoreException {
if (!PlatformUI.isWorkbenchRunning() || Display.getCurrent() == null) {
ProxyLaunchSupport.runBuild(pm);
} else {
pm.beginTask("", 100); //$NON-NLS-1$
try {
PlatformUI.getWorkbench().getProgressService().busyCursorWhile(new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
IProgressMonitor uipm = new UIRunnerProgressMonitor(pm, monitor);
try {
ProxyLaunchSupport.runBuild(uipm);
} catch (CoreException e) {
throw new InvocationTargetException(e);
}
if (uipm.isCanceled()) {
pm.setCanceled(true); // Make sure that cancel got through (could of come from monitor instead).
throw new InterruptedException();
}
}
});
} catch (InvocationTargetException e) {
if (e.getCause() instanceof CoreException)
throw (CoreException) e.getCause();
ProxyPlugin.getPlugin().getLogger().log(e.getCause(), Level.WARNING);
} catch (InterruptedException e) {
// It was canceled, launch will be canceled too. pm is already marked canceled and caller can check that
}
pm.done();
}
}
}
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