Java Map Sort sortByValue(Map map)

Description

sort By Value

License

Open Source License

Declaration

@SuppressWarnings({ "unchecked", "rawtypes" })
    public static Map<String, String> sortByValue(Map<String, String> map) 

Method Source Code

//package com.java2s;
/*/*from   w ww .j  a v a  2s.c o  m*/
 * Copyright (c) 2011-2013, Monash e-Research Centre
 * (Monash University, Australia)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *    * Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *    * Neither the name of the Monash University nor the names of its
 *      contributors may be used to endorse or promote products derived from
 *      this software without specific prior written permission.
 *
 * 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 Affero General Public License for more details.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the GNU Affero General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.*;

public class Main {
    @SuppressWarnings({ "unchecked", "rawtypes" })
    public static Map<String, String> sortByValue(Map<String, String> map) {
        List list = new LinkedList(map.entrySet());

        Collections.sort(list, new Comparator() {
            public int compare(Object o1, Object o2) {
                return ((Comparable) ((Map.Entry) (o1)).getValue())
                        .compareTo(((Map.Entry) (o2)).getValue());
            }
        });

        Map<String, String> result = new LinkedHashMap();
        for (Iterator it = list.iterator(); it.hasNext();) {
            Map.Entry entry = (Map.Entry) it.next();
            result.put((String) entry.getKey(), (String) entry.getValue());
        }
        return result;
    }
}

Related

1. sortByValue(Map map)
2. sortByValue(Map map)
3. sortByValue(Map map, boolean descending)
4. sortByValue(Map map, final boolean asc)
5. sortByValue(Map map)
6. sortByValueAscending(Map map)
7. sortByValueDESC(Map map)
8. sortByValueDescending( Map map)
9. sortByValues( Map map)