Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.mobilewallet.common.dao; import com.mobilewallet.connection.ConnectionUtil; import java.sql.CallableStatement; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import javax.sql.DataSource; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * * @author Gopi */ public class ReferralIncentiveDAO { private Log log = LogFactory.getLog(ReferralIncentiveDAO.class); private DataSource dataSource; private static final String getRAmountQuery = "select * from referral_amount"; public ReferralIncentiveDAO() { dataSource = ConnectionUtil.getDataSource(); } public Object[] addReferralIncetive(long userId, String refCode, String imei, String ip) { int added = 0; Connection connection = null; CallableStatement cstmt = null; String gcmId = null; Object[] obj = null; try { connection = dataSource.getConnection(); cstmt = connection.prepareCall("{call ADD_REFERRAL_CREDIT(?,?,?,?,?,?,?)}"); cstmt.setLong(1, userId); cstmt.setString(2, refCode); cstmt.setString(3, imei); cstmt.setString(4, ip); cstmt.registerOutParameter(5, java.sql.Types.INTEGER); cstmt.registerOutParameter(6, java.sql.Types.VARCHAR); cstmt.registerOutParameter(7, java.sql.Types.VARCHAR); cstmt.execute(); added = cstmt.getInt(5); gcmId = cstmt.getString(6); obj = new Object[3]; obj[0] = added; obj[1] = gcmId; obj[2] = cstmt.getString(7); } catch (Exception ex) { ex.printStackTrace(); log.error("Error in add referral incentive dao : " + ex.getMessage() + ", USER ID " + userId + ", refCode : " + refCode + ", imei : " + imei + ", IP : " + ip); } finally { try { if (cstmt != null) { cstmt.close(); } } catch (Exception ex) { } try { if (connection != null) { connection.close(); } } catch (Exception ex) { } } return obj; } public String showInvitationStrig(long userId) { Connection connection = null; CallableStatement cstmt = null; String show = null; try { connection = dataSource.getConnection(); cstmt = connection.prepareCall("{call wp_show_invitation(?,?)}"); cstmt.setLong(1, userId); cstmt.registerOutParameter(2, java.sql.Types.VARCHAR); cstmt.execute(); show = cstmt.getString(2); } catch (Exception ex) { ex.printStackTrace(); } finally { try { if (cstmt != null) { cstmt.close(); } } catch (Exception ex) { } try { if (connection != null) { connection.close(); } } catch (Exception ex) { } } return show; } public String[] getRAmount() { Connection connection = null; PreparedStatement cstmt = null; ResultSet rs = null; String[] amount = null; try { connection = dataSource.getConnection(); cstmt = connection.prepareStatement(getRAmountQuery); rs = cstmt.executeQuery(); if (rs != null && rs.next()) { amount = new String[3]; amount[0] = rs.getString("rm"); amount[1] = rs.getString("erm"); amount[2] = rs.getString("daily_credits"); } log.info("Amount : " + amount); } catch (Exception ex) { ex.printStackTrace(); } finally { try { if (rs != null) { rs.close(); } } catch (Exception ex) { } try { if (cstmt != null) { cstmt.close(); } } catch (Exception ex) { } try { if (connection != null) { connection.close(); } } catch (Exception ex) { } } return amount; } }