Configuring MySQL DataSources

package example.mysql;
 
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.util.Properties;
 
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.sql.ConnectionPoolDataSource;
 
public class SetupJNDIDataSource {
    public static void main(String args[]) {
	if (args.length < 2) {
	    System.out.println("usage: SetupJNDIDataSource username password");
	    return;
	}
 
	try {
	    startRegistry();
 
	    ConnectionPoolDataSource dataSource = createDataSource(args[0], args[1]);
 
	    InitialContext context = createContext();
	    context.rebind("HrDS", dataSource);
 
	} catch (Exception e) {
	    System.out.println("SetupJNDIDataSource err: " + e.getMessage());
	    e.printStackTrace();
	}
    }
 
    private static void startRegistry() throws RemoteException {
	LocateRegistry.createRegistry(1099);
	System.out.println("RMI registry ready.");
    }
 
    private static ConnectionPoolDataSource createDataSource(String username, String password) {
	MysqlConnectionPoolDataSource dataSource = new MysqlConnectionPoolDataSource();
	dataSource.setUser(username);
	dataSource.setPassword(password);
	dataSource.setServerName("localhost");
	dataSource.setPort(3306);
	dataSource.setDatabaseName("chapter04_jdbc21");
	return dataSource;
    }
 
    private static InitialContext createContext() throws NamingException {
	Properties env = new Properties();
	env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.rmi.registry.RegistryContextFactory");
	env.put(Context.PROVIDER_URL, "rmi://localhost:1099");
	InitialContext context = new InitialContext(env);
	return context;
    }
}