Gui.java

package gov.anl.dm.esafsync;

import gov.anl.dm.esafsync.serviceconn.DaqServiceConnection;
import gov.anl.dm.esafsync.serviceconn.ServiceConnection;
import gov.anl.dm.esafsync.serviceconn.StorageServiceConnection;

import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.SQLException;
import java.text.ParseException;
import java.util.Properties;

import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;

class Gui
{
	public static void main(String arg[]) throws ParseException
	{
		String configFile = arg[0];
		final Properties configProperties = new Properties();
		setConfig(configFile, configProperties);

		SwingUtilities.invokeLater(new Runnable() {
			public void run() {
				new Gui(configProperties);
			}
		});			
	}

	private Gui(Properties configProperties) {		
//        System.setProperty("javax.net.ssl.trustStore", configProperties.getProperty("dm.truststore"));

        final OracleConnection oconnection = new OracleConnection();
		try {
			oconnection.connect(configProperties);
		} catch (SQLException e1) {
			JOptionPane.showMessageDialog(null, e1.getMessage());
				System.exit(0);
		}
		final StorageServiceConnection sconnection = new StorageServiceConnection();
		if (sconnection.init(configProperties.getProperty("dm.storageServ.connection")) != ServiceConnection.ServiceConnectionStatus.SUCCESS) {
			System.exit(0);
		}
		String daqurl = configProperties.getProperty("dm.daq.connection");
		String dataDir = configProperties.getProperty("dm.daq.datadir");
		DaqServiceConnection dconnection = new DaqServiceConnection(daqurl, dataDir);
		if (dconnection.init() != ServiceConnection.ServiceConnectionStatus.SUCCESS) {
			System.exit(0);
		}
		DaqServiceConnection drconnection = null;
		try {
			String daqReceiverurl = configProperties.getProperty("dm.daqReciver.connection");
			String dataReceiverDir = configProperties.getProperty("dm.daqReceiver.datadir");
			if ((daqReceiverurl != null) && (dataReceiverDir != null)) {
				drconnection = new DaqServiceConnection(daqReceiverurl, dataReceiverDir);
				if (drconnection.init() != ServiceConnection.ServiceConnectionStatus.SUCCESS) {
					System.exit(0);
				}
			}
		} catch (Exception e) {
			// possible null exception if property not defined
		}
		try
		{
			LoginWindow frame = new LoginWindow(sconnection, oconnection, dconnection, drconnection);
			frame.setSize(300,200);
			frame.setVisible(true);
			frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
			frame.addWindowListener(new WindowAdapter() {
				@Override	 
				public void windowClosing(WindowEvent e) {	 
					if (sconnection != null) {
						sconnection.close();
					}
					if (oconnection != null) {
						oconnection.close();
					}
					System.exit(0);	 
				}	 
			});
		}
		catch(Exception e) {
			JOptionPane.showMessageDialog(null, e.getMessage());
		}
	}

	private static void setConfig(String config, Properties configProperties) {
		InputStream configInputStream = null;
		try {
			configInputStream = new FileInputStream(config);
		} catch (Exception e) {
			JOptionPane.showMessageDialog(null, e.getMessage());
			System.exit(0);
		}    

		if (configInputStream != null) {
			try {
				configProperties.load(configInputStream);
			} catch (IOException e1) {
				JOptionPane.showMessageDialog(null, e1.getMessage());
				System.exit(0);
			}
		} else {
			System.exit(-1);
		}
	}
}