54 lines
1.7 KiB
Java
54 lines
1.7 KiB
Java
/*
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* Minecraft Forge
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* Copyright (c) 2016-2018.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package net.minecraftforge.common;
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import java.util.Map;
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import java.util.regex.Pattern;
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import com.google.common.collect.Maps;
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public final class ToolType
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{
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public static final ToolType AXE = get("axe");
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public static final ToolType PICKAXE = get("pickaxe");
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public static final ToolType SHOVEL = get("shovel");
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private static final Map<String, ToolType> values = Maps.newHashMap();
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private static final Pattern VALID_NAME = Pattern.compile("[^a-z_]"); //Only a-z and _ are allowed, meaning names must be lower case. And use _ to separate words.
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public static ToolType get(String name)
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{
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if (VALID_NAME.matcher(name).find())
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throw new IllegalArgumentException("ToolType.create() called with invalid name: " + name);
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return values.putIfAbsent(name, new ToolType(name));
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}
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private final String name;
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private ToolType(String name)
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{
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this.name = name;
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}
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public String getName()
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{
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return name;
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}
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}
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