package db;

/**
 * Created by Administrator on 2017-02-14.
 */

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class DBUtil {

    static {
        try {
            Class.forName("oracle.jdbc.driver.OracleDriver");
        } catch (ClassNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    public static Connection getConnection() {
        Connection con = null;

        try {
            con = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:xe", "system", "root");
            return con;
        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        return con;
    }

    // 자원반납
    public static void dataClose(Connection c, PreparedStatement p) {

        try {
            if (c != null) {
                c.close();
            }
            if (p != null) {
                p.close();
            }

        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    // 자원반납
    public static void dataClose(Connection c, PreparedStatement p, ResultSet s) {

        try {
            if (c != null) {
                c.close();
            }
            if (p != null) {
                p.close();
            }
            if (s != null) {
                s.close();
            }

        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}