54 lines
2.0 KiB
Java
54 lines
2.0 KiB
Java
/*******************************************************************************
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* This file is part of ASkyBlock.
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*
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* ASkyBlock is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ASkyBlock is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ASkyBlock. If not, see <http://www.gnu.org/licenses/>.
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*******************************************************************************/
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package bskyblock.addin.level;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.LinkedHashMap;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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/**
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* @author tastybento
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*/
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public class MapUtil {
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/**
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* Sorts map in descending order
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*
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* @param map
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* @return
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*/
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public static <Key, Value extends Comparable<? super Value>> LinkedHashMap<Key, Value> sortByValue(Map<Key, Value> map) {
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List<Map.Entry<Key, Value>> list = new LinkedList<Map.Entry<Key, Value>>(map.entrySet());
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Collections.sort(list, new Comparator<Map.Entry<Key, Value>>() {
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public int compare(Map.Entry<Key, Value> o1, Map.Entry<Key, Value> o2) {
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// Switch these two if you want ascending
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return (o2.getValue()).compareTo(o1.getValue());
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}
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});
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LinkedHashMap<Key, Value> result = new LinkedHashMap<Key, Value>();
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for (Map.Entry<Key, Value> entry : list) {
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result.put(entry.getKey(), entry.getValue());
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if (result.size() > 20)
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break;
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}
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return result;
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}
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}
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