/**
 * Copyright 2018 Red Hat, Inc, and individual contributors.
 *
 * Licensed 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
 *
 * 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.
 */
package org.wildfly.swarm.runner.utils;

import java.util.concurrent.ThreadLocalRandom;

/**
 * @author Michal Szynkiewicz, michal.l.szynkiewicz@gmail.com
 * <br>
 * Date: 8/6/18
 */
public class StringUtils {
    private static final ThreadLocalRandom random = ThreadLocalRandom.current();

    private StringUtils() {
    }

    public static String randomAlphabetic(int length) {
        StringBuilder result = new StringBuilder();
        for (int i = 0; i < length; i++) {

            char nextChar = (char) ('a' + random.nextInt('z' - 'a'));
            result.append(nextChar);
        }
        return result.toString();
    }

}
