Java SQL ResultSet Int Read getIntegerList(ResultSet resultSet, String columnName)

Description

Returns a list of integer values using a given SQL result set and column name.

License

Open Source License

Parameter

Parameter	Description
resultSet	- Result set.
columnName	- Column name.

Return

List - Column values.

Declaration

public static List<Integer> getIntegerList(ResultSet resultSet, String columnName) throws SQLException 

Method Source Code

//package com.java2s;
/*//from  w  ww.  ja  v  a 2 s  . c  o m
 * Copyright (C) 2015 Bryan W. Snipes
 * 
 * This file is part of the JDistil web application framework.
 * 
 * JDistil is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * JDistil 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with JDistil.  If not, see <http://www.gnu.org/licenses/>.
 */

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

import java.util.ArrayList;

import java.util.List;

public class Main {
    /**
      Returns a list of integer values using a given SQL result set and column name.
      @param resultSet - Result set.
      @param columnName - Column name.
      @return List - Column values.
    */
    public static List<Integer> getIntegerList(ResultSet resultSet, String columnName) throws SQLException {

        // Initialize return value
        List<Integer> values = null;

        if (resultSet != null && columnName != null) {

            // Create values list
            values = new ArrayList<Integer>();

            // Populate list
            while (resultSet.next()) {
                values.add(getInteger(resultSet, columnName));
            }
        }

        return values;
    }

    /**
      Returns an integer value using a given SQL result set and column name.
      @param resultSet - Result set.
      @param columnName - Column name.
      @return Integer - Column value.
    */
    public static Integer getInteger(ResultSet resultSet, String columnName) throws SQLException {

        // Initialize return value
        Integer value = null;

        if (resultSet != null && columnName != null) {

            // Get column value
            int columnValue = resultSet.getInt(columnName);

            // Check for null value
            if (!resultSet.wasNull()) {
                value = new Integer(columnValue);
            }
        }

        return value;
    }
}

Related

1. getInteger(ResultSet rs, String column)
2. getInteger(ResultSet rs, String columnName)
3. getInteger(ResultSet rs, String strColName)
4. getInteger(ResultSet s, int idx)
5. getIntegerFromResultSet(ResultSet rs, String db_name)
6. getIntegerNotZeroNotMinValue(ResultSet rs, String columnLabel)
7. getIntegers(ResultSet rs, String column)
8. getIntegerValue(ResultSet resultSet, String columnName)
9. getIntegerValue(ResultSet rs, int columnIndex)