Java SQL PreparedStatement getGeneratedKey(PreparedStatement ps)

Description

get Generated Key

License

Apache License

Declaration

private static Object getGeneratedKey(PreparedStatement ps) 

Method Source Code

//package com.java2s;
/**/*  w w w .  j  a v  a  2  s.co  m*/
 * Copyright (c) 2011-2015, @author ocean(zhangjufang0505@163.com).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

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

public class Main {
    private static Object getGeneratedKey(PreparedStatement ps) {
        Object key = null;
        ResultSet rs = null;
        try {
            rs = ps.getGeneratedKeys();
            if (rs.next()) {
                key = rs.getObject(1);
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            close(rs, null, null);
        }
        return key;
    }

    public static void close(Connection con) {
        close(null, null, con);
    }

    public static void close(ResultSet rs, Statement sm, Connection con) {
        try {
            if (rs != null) {
                rs.close();
                rs = null;
            }
            if (sm != null) {
                sm.close();
                sm = null;
            }
            if (con != null) {
                con.close();
                con = null;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

Related

1. fillParameters(PreparedStatement stmt, List