How to access XA datasource on JBOSS 4 using Groovy

gistfile1.groovy

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.logging.Logger;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.sql.DataSource;

Logger log = Logger.getLogger("DisplayTest1")

log.info("Started DisplayTest1")

Context initCtx;
Connection conn = null;
Statement stmt = null;

// How to get the connection from JNDI
initCtx = new InitialContext()
DataSource cvDs = (DataSource) initCtx.lookup("java:/osscube/dev/cv");
try {
	conn = cvDs.getConnection();
	// How to get the connection string
	connStr = conn.getMetaData().getURL();
	stmt = conn.createStatement();
	ResultSet rs = stmt.executeQuery("select count(*) from MLFA1");
	while (rs.next()) {
		mLFA1Count = rs.getInt(1);
	}
	rs.close()
}
finally {
	stmt.close()
	conn.close()
}