Java SQL ResultSet Read readObject(java.sql.ResultSet resultSet, int index)

Description

Given a ResultSet and an index into the columns of that ResultSet, read binary data from the column which represents a serialized object, and re-create the object.

License

Open Source License

Parameter

Parameter	Description
resultSet	the ResultSet to use.
index	an index into the ResultSet.

Exception

Parameter	Description
Exception	if an error occurs

Return

the object if it can be de-serialized

Declaration

public static Object readObject(java.sql.ResultSet resultSet, int index) throws Exception

Method Source Code


//package com.java2s;
/*// www  .ja  va2  s .  c  om
 Copyright (C) 2002-2007 MySQL AB
    
 This program is free software; you can redistribute it and/or modify
 it under the terms of version 2 of the GNU General Public License as 
 published by the Free Software Foundation.
    
 There are special exceptions to the terms and conditions of the GPL 
 as it is applied to this software. View the full text of the 
 exception in file EXCEPTIONS-CONNECTOR-J in the directory of this 
 software distribution.
    
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
    
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    
    
    
 */

import java.io.ObjectInputStream;

public class Main {
    /**
     * Given a ResultSet and an index into the columns of that ResultSet, read
     * binary data from the column which represents a serialized object, and
     * re-create the object.
     * 
     * @param resultSet
     *            the ResultSet to use.
     * @param index
     *            an index into the ResultSet.
     * @return the object if it can be de-serialized
     * @throws Exception
     *             if an error occurs
     */
    public static Object readObject(java.sql.ResultSet resultSet, int index) throws Exception {
        ObjectInputStream objIn = new ObjectInputStream(resultSet.getBinaryStream(index));
        Object obj = objIn.readObject();
        objIn.close();

        return obj;
    }
}