com.mobius.software.mqtt.performance.commons.util.MessageGenerator.java Source code

Introduction

Here is the source code for com.mobius.software.mqtt.performance.commons.util.MessageGenerator.java

Source

/**
 * Mobius Software LTD
 * Copyright 2015-2016, Mobius Software LTD
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package com.mobius.software.mqtt.performance.commons.util;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;

import java.util.Random;

public class MessageGenerator {
    private static final Random random = new Random();
    private static final String CHARACTERS = "aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ1234567890";

    public static ByteBuf generateContent(int messageSize) {
        char[] text = new char[messageSize];
        for (int i = 0; i < messageSize; i++)
            text[i] = CHARACTERS.charAt(random.nextInt(CHARACTERS.length()));
        return Unpooled.buffer(text.length).writeBytes(new String(text).getBytes());
    }
}