jnid lookup / datasource 코드

제목!!
public class ConnectionManager { private static DataSource ds; public static Connection getConnection(){ if(ds == null){ setDataSource(); } Connection conn = null; try { conn = ds.getConnection(); } catch (SQLException e) { e.printStackTrace(); } return conn; } private static void setDataSource() { try { javax.naming.Context ctx = new InitialContext(); ds = (DataSource) ctx.lookup("java:/comp/env/jdbc/dbTest"); } catch (Exception e) { e.printStackTrace(); } } }