/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 Ziver Koc
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package zutil.db.handler;

import zutil.db.SQLResultHandler;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;

/**
 * Adds the result of the query to a List.
 * 
 * The handler will add the first column of every row to a list.
 * 
 * @author Ziver
 */
public class ListSQLResult<T> implements SQLResultHandler<List<T>> {

    private List<T> list;

    /**
     * Creates a new List.
     */
    public ListSQLResult(){
        this.list = new ArrayList<>();
    }

    /**
     * Uses a existing list that items will be appended on.
     */
    public ListSQLResult(List l){
        this.list = l;
    }



    public List<T> handleQueryResult(Statement stmt, ResultSet result) throws SQLException{
        while( result.next() )
            list.add((T)result.getObject(1));
        return list;
    }
}
