Validates if the supplied value is null from the result set. - Java java.sql

Java examples for java.sql:ResultSet

Description

Validates if the supplied value is null from the result set.

Demo Code

/*//from   ww  w. j a v a2  s  .co  m
 *  Adito
 *
 *  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2 of
 *  the License, or (at your option) any later version.
 *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
//package com.java2s;

import java.sql.ResultSet;
import java.sql.SQLException;

public class Main {
    /**
     * Validates if the supplied value is null from the result set. This is
     * useful for primitive type checking.
     * 
     * @param resultSet
     * @param columnName
     * @return true if the column was null.
     * @throws SQLException
     */
    public static boolean isNull(ResultSet resultSet, String columnName)
            throws SQLException {
        return null == resultSet.getObject(columnName);
    }
}

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