52 lines
1.7 KiB
Java
52 lines
1.7 KiB
Java
/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
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*
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* Applied Energistics 2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser 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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* Applied Energistics 2 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 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 License
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* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
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*/
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package appeng.util;
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import java.util.regex.Pattern;
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/**
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* Regex wrapper for {@link java.util.UUID}s to not rely on try catch
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*/
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public final class UUIDMatcher
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{
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/**
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* String which is the regular expression for {@link java.util.UUID}s
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*/
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private static final String UUID_REGEX = "[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}";
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/**
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* Pattern which pre-compiles the {@link appeng.util.UUIDMatcher#UUID_REGEX}
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*/
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private static final Pattern PATTERN = Pattern.compile( UUID_REGEX );
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/**
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* Checks if a potential {@link java.util.UUID} is an {@link java.util.UUID} by applying a regular expression on it.
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*
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* @param potential to be checked potential {@link java.util.UUID}
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*
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* @return true, if the potential {@link java.util.UUID} is indeed an {@link java.util.UUID}
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*/
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public boolean isUUID( CharSequence potential )
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{
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return PATTERN.matcher( potential ).matches();
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}
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}
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