68 lines
2.2 KiB
Java
68 lines
2.2 KiB
Java
/*
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* ProtocolLib - Bukkit server library that allows access to the Minecraft protocol.
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* Copyright (C) 2012 Kristian S. Stangeland
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the 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 along with this program;
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* if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*/
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package com.comphenix.protocol.reflect.instances;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.HashSet;
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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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import java.util.Queue;
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import java.util.Set;
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import java.util.SortedMap;
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import java.util.SortedSet;
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import java.util.TreeMap;
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import java.util.TreeSet;
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import javax.annotation.Nullable;
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/**
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* Provides simple constructors for collection interfaces.
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* @author Kristian
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*/
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public class CollectionGenerator implements InstanceProvider {
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/**
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* Shared instance of this generator.
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*/
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public static CollectionGenerator INSTANCE = new CollectionGenerator();
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@Override
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public Object create(@Nullable Class<?> type) {
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// Standard collection types
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if (type.isInterface()) {
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if (type.equals(Collection.class) || type.equals(List.class))
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return new ArrayList<Object>();
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else if (type.equals(Set.class))
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return new HashSet<Object>();
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else if (type.equals(Map.class))
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return new HashMap<Object, Object>();
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else if (type.equals(SortedSet.class))
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return new TreeSet<Object>();
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else if (type.equals(SortedMap.class))
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return new TreeMap<Object, Object>();
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else if (type.equals(Queue.class))
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return new LinkedList<Object>();
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}
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// Cannot provide an instance
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return null;
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}
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} |