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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.rcp.application;
import org.eclipse.core.runtime.Platform;
import org.eclipse.equinox.app.IApplication;
import org.eclipse.equinox.app.IApplicationContext;
import org.eclipse.osgi.service.datalocation.Location;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
/**
* RCP: Application implementation.
*/
public class Application implements IApplication {
private static final String PROP_EXIT_CODE = "eclipse.exitcode"; //$NON-NLS-1$
/**
* A special return code that will be recognized by the launcher and used to
* restart the application.
*/
private static final Integer EXIT_RELAUNCH = new Integer(24);
/* (non-Javadoc)
* @see org.eclipse.equinox.app.IApplication#start(org.eclipse.equinox.app.IApplicationContext)
*/
public Object start(IApplicationContext context) throws Exception {
Display display = createDisplay();
try {
// create the workbench with this advisor and run it until it exits
// N.B. createWorkbench remembers the advisor, and also registers
// the workbench globally so that all UI plug-ins can find it using
// PlatformUI.getWorkbench() or AbstractUIPlugin.getWorkbench()
int returnCode = PlatformUI.createAndRunWorkbench(display, new ApplicationWorkbenchAdvisor());
// the workbench doesn't support relaunch yet (bug 61809) so
// for now restart is used, and exit data properties are checked
// here to substitute in the relaunch return code if needed
if (returnCode != PlatformUI.RETURN_RESTART) {
return EXIT_OK;
}
// if the exit code property has been set to the relaunch code, then
// return that code now, otherwise this is a normal restart
return EXIT_RELAUNCH.equals(Integer.getInteger(PROP_EXIT_CODE)) ? EXIT_RELAUNCH : EXIT_RESTART;
} finally {
if (display != null) {
display.dispose();
}
Location instanceLoc = Platform.getInstanceLocation();
if (instanceLoc != null)
instanceLoc.release();
}
}
/**
* Creates the display used by the application.
*
* @return the display used by the application
*/
protected Display createDisplay() {
return PlatformUI.createDisplay();
}
/* (non-Javadoc)
* @see org.eclipse.equinox.app.IApplication#stop()
*/
public void stop() {
final IWorkbench workbench = PlatformUI.getWorkbench();
if (workbench == null) return;
final Display display = workbench.getDisplay();
display.syncExec(new Runnable() {
public void run() {
if (!display.isDisposed())
workbench.close();
}
});
}
}
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