Java List Sub List getSubList(int offset, int count, List originalList)

Description

get Sub List

License

Open Source License

Declaration

public static <T> List<T> getSubList(int offset, int count,
            List<T> originalList) 

Method Source Code

//package com.java2s;
/*//from  www .j  a  v  a  2  s .c  om
 * Copyright (C) 2009 Bradley Austin Davis.
 * 
 * This file is part of serket.
 * 
 * serket 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 3 of the License, or (at your option) any later
 * version.
 * 
 * serket 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
 * serket. If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.ArrayList;
import java.util.List;

public class Main {
    public static <T> List<T> getSubList(int offset, int count,
            List<T> originalList) {
        List<T> retVal = new ArrayList<T>(originalList);
        truncateList(offset, count, retVal);
        return retVal;
    }

    public static <T> void truncateList(int offset, int count,
            List<T> originalList) {
        List<T> retVal = new ArrayList<T>(originalList);
        // find 
        if (offset > 0) {
            if (offset < retVal.size()) {
                retVal.subList(0, offset).clear();
            }
        }
        // truncate
        if (count > 0 && count < retVal.size()) {
            retVal.subList(count, retVal.size()).clear();
        }
    }
}

Related

1. copySubList(List list, int fromIndex, int toIndex)
2. divideListInSublistsOfNSize(List list, int n)
3. getIndexesId(List aList, List aSubList)
4. getIndicesOfItems(List superList, List sublist)
5. getRandomSubList(List inputList, double percentage)
6. getSubList(List entireList, Class cls)
7. getSubList(List list, Class type)
8. getSubList(List source, int nFrom, int nTo)
9. getSubList(List allKeys, String part)