brewery.ui.handlers.QuitHandler.java Source code

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Here is the source code for brewery.ui.handlers.QuitHandler.java

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/*******************************************************************************
 * Copyright (c) 2010 - 2013 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
 *     Lars Vogel <lars.Vogel@gmail.com> - Bug 419770
 *******************************************************************************/
package brewery.ui.handlers;

import gnu.io.CommPort;
import gnu.io.SerialPort;

import java.io.IOException;

import javax.inject.Inject;

import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.core.di.annotations.Optional;
import org.eclipse.e4.ui.workbench.IWorkbench;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Shell;

/**
 * 
 * @author nguba
 * 
 */
public class QuitHandler {
    @Inject
    @Optional
    CommPort port;

    /**
     * 
     * @param workbench
     * @param shell
     */
    @Execute
    public void execute(final IWorkbench workbench, final Shell shell) {
        if (MessageDialog.openConfirm(shell, "Confirmation", "Do you want to exit?")) {
            if (port != null) {
                final SerialPort serialPort = (SerialPort) port;
                serialPort.notifyOnDataAvailable(false);
                try {
                    serialPort.getOutputStream().close();
                    serialPort.getInputStream().close();
                } catch (final IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                serialPort.removeEventListener();
                port.close();
            }
            workbench.close();
        }
    }
}