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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.externaltools.internal.program.launchConfigurations;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IDebugEventSetListener;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.model.IProcess;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.ui.externaltools.internal.launchConfigurations.ExternalToolsUtil;
import org.eclipse.ui.externaltools.internal.model.ExternalToolsPlugin;
import org.eclipse.ui.externaltools.internal.variable.ExpandVariableContext;
/**
* Refreshes resources as specified by a lanunch configuration, when
* an associated process terminates.
*/
public class BackgroundResourceRefresher implements IDebugEventSetListener, Runnable, IRunnableWithProgress {
private ExpandVariableContext fContext;
private ILaunchConfiguration fConfiguration;
private IProcess fProcess;
public BackgroundResourceRefresher(ILaunchConfiguration configuration, IProcess process, ExpandVariableContext context) {
fConfiguration = configuration;
fProcess = process;
fContext = context;
}
/**
* If the process has already terminated, resource refreshing is done
* immediately in the current thread. Otherwise, refreshing is done when the
* process terminates.
*/
public void startBackgroundRefresh() {
synchronized (fProcess) {
if (fProcess.isTerminated()) {
refresh();
} else {
DebugPlugin.getDefault().addDebugEventListener(this);
}
}
}
/**
* @see org.eclipse.debug.core.IDebugEventSetListener#handleDebugEvents(org.eclipse.debug.core.DebugEvent)
*/
public void handleDebugEvents(DebugEvent[] events) {
for (int i = 0; i < events.length; i++) {
DebugEvent event = events[i];
if (event.getSource() == fProcess && event.getKind() == DebugEvent.TERMINATE) {
DebugPlugin.getDefault().removeDebugEventListener(this);
refresh();
break;
}
}
}
/**
* Submits a runnable to do the refresh
*/
protected void refresh() {
ExternalToolsPlugin.getStandardDisplay().asyncExec(this);
}
/**
* Creates a dialog to run the refresh
*
* @see java.lang.Runnable#run()
*/
public void run() {
ProgressMonitorDialog dialog = new ProgressMonitorDialog(ExternalToolsPlugin.getStandardDisplay().getActiveShell());
try {
dialog.run(true, true, this);
} catch (InvocationTargetException e) {
// report the exception
} catch (InterruptedException e) {
}
}
/**
* Peforms the refresh
*
* @see org.eclipse.jface.operation.IRunnableWithProgress#run(org.eclipse.core.runtime.IProgressMonitor)
*/
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
try {
ExternalToolsUtil.refreshResources(fConfiguration, fContext, monitor);
} catch (CoreException e) {
throw new InvocationTargetException(e);
}
}
}
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