StudentUtil.java

/*
 * This code was written by Bear Giles <bgiles@coyotesong.com> and he
 * licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Any contributions made by others are licensed to this project under
 * one or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 * Copyright (c) 2013 Bear Giles <bgiles@coyotesong.com>
 */
package com.invariantproperties.project.student.util;

import java.util.regex.Pattern;

public final class StudentUtil {
    private static final Pattern UUID_PATTERN = Pattern
            .compile("^\\p{XDigit}{8}+-\\p{XDigit}{4}+-\\p{XDigit}{4}-\\p{XDigit}{4}+-\\p{XDigit}{12}$");

    /**
     * Private constructor to prevent instantiation.
     */
    private StudentUtil() {

    }

    public static boolean isPossibleUuid(String value) {
        return value != null && UUID_PATTERN.matcher(value).matches();
    }
}