Java SQL ResultSet Long Read getLongList(ResultSet resultSet, String columnName)

Description

Returns a list of long 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<Long> getLongList(ResultSet resultSet, String columnName) throws SQLException 

Method Source Code

//package com.java2s;
/*/*from  w ww.  ja  v  a 2 s  .  c om*/
 * 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 long 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<Long> getLongList(ResultSet resultSet, String columnName) throws SQLException {

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

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

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

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

        return values;
    }

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

        // Initialize return value
        Long value = null;

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

            // Get column value
            long columnValue = resultSet.getLong(columnName);

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

        return value;
    }
}

Related

1. getLong(ResultSet rs, String columnName)
2. getLong(ResultSet rs, String columnName)
3. getLongDateFromResultSet(ResultSet rset, Enum field)
4. getLongFromResultSet(ResultSet rs, String db_name)
5. getLongFromResultSet(ResultSet rs, String field)
6. getLongOrNull(ResultSet rs, String column)
7. getLongString(ResultSet rs, int pos)
8. getLongValue(ResultSet resultSet, int columnIndex)
9. getLongValue(ResultSet rs, int valueIndex)