/*******************************************************************************
* Copyright (c) 2010, 2011 LogSaw project 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:
* LogSaw project committers - initial API and implementation
*******************************************************************************/
package net.sf.logsaw.rcp;
import java.io.IOException;
import org.eclipse.core.runtime.Platform;
import org.eclipse.equinox.app.IApplication;
import org.eclipse.equinox.app.IApplicationContext;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.osgi.service.datalocation.Location;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
/**
* This class controls all aspects of the application's execution
*/
public class LogSawApplication implements IApplication {
/* (non-Javadoc)
* @see org.eclipse.equinox.app.IApplication#start(org.eclipse.equinox.app.IApplicationContext)
*/
@Override
public Object start(IApplicationContext context) {
Display display = PlatformUI.createDisplay();
try {
if (!lockInstanceLocation()) {
MessageDialog.openError(Display.getDefault().getActiveShell(),
Messages.LogSawApplication_title_alreadyRunning,
Messages.LogSawApplication_message_alreadyRunning);
return IApplication.EXIT_OK;
}
int returnCode = PlatformUI.createAndRunWorkbench(display, new ApplicationWorkbenchAdvisor());
if (returnCode == PlatformUI.RETURN_RESTART) {
return IApplication.EXIT_RESTART;
}
return IApplication.EXIT_OK;
} finally {
display.dispose();
}
}
private boolean lockInstanceLocation() {
try {
Location workspaceLoc = Platform.getInstanceLocation();
if (!workspaceLoc.isSet()) {
// Use default
workspaceLoc.set(workspaceLoc.getDefault(), false);
}
return workspaceLoc.lock();
} catch (IOException e) {
MessageDialog.openError(Display.getDefault().getActiveShell(),
Messages.LogSawApplication_title_internalError,
NLS.bind(Messages.LogSawApplication_message_internalError, e.getLocalizedMessage()));
return false;
}
}
/* (non-Javadoc)
* @see org.eclipse.equinox.app.IApplication#stop()
*/
@Override
public void stop() {
final IWorkbench workbench = PlatformUI.getWorkbench();
if (workbench == null)
return;
final Display display = workbench.getDisplay();
display.syncExec(new Runnable() {
@Override
public void run() {
if (!display.isDisposed())
workbench.close();
}
});
}
}