import com.Ineb.Dguard.*;
import com.Ineb.Exception.DguardLoginException;
import com.Ineb.Exception.DguardNetworkException;
import com.Ineb.Exception.DGuardPropertyException;

import java.io.*;
import java.sql.*;

public class PGSQLEnc {

    static final String DB_URL = "jdbc:postgressql://127.0.0.1:5432/miracle";

    static final String USERNAME = "miracle";
    static final String PASSWORD = "q!fvYOP^evn";

    public static void main(String[] args) {
		DguardManager dm = null;

		Connection conn = null;
		PreparedStatement pstmt = null;
		PreparedStatement updatePstmt = null;
		ResultSet rset=null;

        try{
			dm = DguardManager.Init("miraclefunding", "Agent!1700", "Agent!1700", "/home/inebsoft/javaapi/conf/dguard.conf");
		
            conn = DriverManager.getConnection(DB_URL,USERNAME,PASSWORD);
			conn.setAutoCommit(false);
            System.out.println("- PostgreeSQL Connection");

			String selectSql = "SELECT seq, data FROM tbl01";
			pstmt = conn.prepareStatement(selectSql.toString());
			rset = pstmt.executeQuery();

			String updateSql = "UPDATE tbl01 SET data = ? WHERE seq = ?";
			updatePstmt = conn.prepareStatement(updateSql.toString());

			int commitCnt = 0;

            while(rset.next()){
                int		seq		= rset.getInt("SEQ");
                String	data01	= rset.getString("data");

				String encdata01 = dm.Encrypt("TBL", "ENC", data01);

                System.out.print("SEQ  : " + seq + "\n");
                System.out.print("DATA : " + data01 + "\n");
                System.out.print("ENC  : " + encdata01 + "\n");

				updatePstmt.setString(1, encdata01);
				updatePstmt.setInt(2, seq);

				updatePstmt.addBatch();
				updatePstmt.clearParameters();
				
				if ( commitCnt > 0 && commitCnt % 1000 == 0 ) {
					updatePstmt.executeBatch();
					updatePstmt.clearBatch();
					conn.commit();
					
					System.out.println(commitCnt + ", " + data01 + ", " + encdata01);
				}
				
				commitCnt++;
            }

			updatePstmt.executeBatch();
			conn.commit();
			conn.setAutoCommit(true);

        	System.out.println("Commit count : " + commitCnt);

            rset.close();
            updatePstmt.close();
            pstmt.close();
            conn.close();
        }catch(SQLException se1){
            se1.printStackTrace();
        }catch(Exception ex){
            ex.printStackTrace();
        }finally{
            try{
                if(pstmt!=null)
                    pstmt.close();
            }catch(SQLException se2){
            }
            try{
                if(conn!=null)
                    conn.close();
            }catch(SQLException se){
                se.printStackTrace();
            }
        }
        System.out.println("- PostgreeSQL Connection Close");
    }
}