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/*******************************************************************************
* Copyright (c) 2005, 2006 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.equinox.internal.app;
import org.eclipse.equinox.app.IAppContext;
import org.eclipse.equinox.app.IApplication;
import org.eclipse.osgi.service.runnable.ApplicationRunnable;
import org.eclipse.osgi.util.NLS;
public class MainThreadApplication implements ApplicationRunnable {
private static final String PROP_ECLIPSE_EXITCODE = "eclipse.exitcode"; //$NON-NLS-1$
private Object application;
private EclipseAppHandle appContext;
private Exception launchException;
public MainThreadApplication(EclipseAppHandle appContext) {
this.appContext = appContext;
try {
application = appContext.getConfiguration().createExecutableExtension("run"); //$NON-NLS-1$
} catch (Exception e) {
// had an error creating the executable extension
// save the exception to throw on the main thread (keeping legacy behavior)
this.launchException = e;
}
}
public Object run(Object context) throws Exception {
// if the given arg is null then pass in the left over command line args.
if (context == null)
context = AppManager.getApplicationArgs();
Object result;
try {
if (launchException != null)
// this is a dummy handle used to throw an exception on the main thread.
throw launchException;
if (application instanceof IApplication) {
result = ((IApplication) application).run(context);
} else
result = ContainerManager.execMethod(application, "run", Object.class, context); //$NON-NLS-1$
} finally {
application = null;
// The application exited itself; notify the app context
appContext.setAppStatus(IAppContext.STOPPED);
}
int exitCode = result instanceof Integer ? ((Integer) result).intValue() : 0;
// use the long way to set the property to compile against eeminimum
System.getProperties().setProperty(PROP_ECLIPSE_EXITCODE, Integer.toString(exitCode));
if (Activator.DEBUG)
System.out.println(NLS.bind(Messages.application_returned, (new String[] {appContext.getApplicationDescriptor().getApplicationId(), result == null ? "null" : result.toString()}))); //$NON-NLS-1$
return result;
}
public void stop() {
// we can only handle forced stops if this application is an IApplication
if (application instanceof IApplication)
((IApplication) application).stop();
}
IApplication getApplication() {
return (IApplication) ((application instanceof IApplication) ? application : null);
}
}
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