package com.jb;


import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;


/**
 * ???????Connection???????
 */
public class DbConnectionGrobals {
	
	
    public static void closeResultSet(ResultSet rs) {
        try {
            if (rs != null) {
                rs.close();
            }
        }
        catch (SQLException e) {
            //Log.error(e);
        }
    }

   
    public static void closeStatement(Statement stmt) {
        try {
            if (stmt != null) {
                stmt.close();
            }
        }
        catch (Exception e) {
           // Log.error(e);
        }
    }

    
    public static void closeConnection(ResultSet rs, Statement stmt, Connection con) {
        closeResultSet(rs);
        closeStatement(stmt);
        closeConnection(con);
    }
    
    public static void closeConnection(Statement stmt, Connection con) {
        try {
            if (stmt != null) {
                stmt.close();
            }
        }
        catch (Exception e) {
            //Log.error(e);
        }
        closeConnection(con);
    }
    
    
    public static void closeConnection(Connection con) {
        try {
            if (con != null) {
            	con.close();
            }
        }
        catch (Exception e) {
           // Log.error(e);
        }
    }

}