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Java client to use for MessageBus hornetq servers
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package com.groupon.stomp;
/*
 * Copyright (c) 2013, Groupon, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * Neither the name of GROUPON nor the names of its contributors may be
 * used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
public class ByteSequence {

    public byte[] data;
    public int offset;
    public int length;

    public ByteSequence(byte data[]) {
        this.data = data;
        this.offset = 0;
        this.length = data.length;
    }

    public ByteSequence(byte data[], int offset, int length) {
        this.data = data;
        this.offset = offset;
        this.length = length;
    }

    public byte[] getData() {
        return data;
    }

    public int getLength() {
        return length;
    }

    public int getOffset() {
        return offset;
    }

    public void setData(byte[] data) {
        this.data = data;
    }

    public void setLength(int length) {
        this.length = length;
    }

    public void setOffset(int offset) {
        this.offset = offset;
    }

    public void compact() {
        if (length != data.length) {
            byte t[] = new byte[length];
            System.arraycopy(data, offset, t, 0, length);
            data = t;
            offset = 0;
        }
    }
}