com.vaporwarecorp.mirror.util.RandomUtil.java Source code

Introduction

Here is the source code for com.vaporwarecorp.mirror.util.RandomUtil.java

Source

/*
 * Copyright 2016 Johann Reyes
 *
 * 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 com.vaporwarecorp.mirror.util;

import java.util.List;
import java.util.Random;

import static org.apache.commons.lang3.StringUtils.replace;

public class RandomUtil {
    // ------------------------------ FIELDS ------------------------------

    private static final Random RANDOM_GENERATOR = new Random();

    // -------------------------- STATIC METHODS --------------------------

    public static String randomString(List<String> values, String searchString, String replacement) {
        return replace(randomValue(values), searchString, replacement);
    }

    public static <T> T randomValue(List<T> values) {
        return values.get(RANDOM_GENERATOR.nextInt(values.size()));
    }
}