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RabbitMQ JMS Client

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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
//
// Copyright (c) 2013-2023 VMware, Inc. or its affiliates. All rights reserved.
package com.rabbitmq.jms.client;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;

import javax.jms.JMSException;
import javax.jms.Message;


class RMQNullMessage extends RMQMessage {

    // there is no body

    @Override
    protected void clearBodyInternal() throws JMSException {
        // no-op
    }

    @Override
    protected void writeBody(ObjectOutput out, ByteArrayOutputStream bout) throws IOException {
        // no-op
    }

    @Override
    protected void writeAmqpBody(ByteArrayOutputStream out) throws IOException {
        // no-op
    }

    @Override
    protected void readBody(ObjectInput inputStream, ByteArrayInputStream bin) throws IOException,
                                                                              ClassNotFoundException {
        // no-op
    }

    @Override
    protected void readAmqpBody(byte[] barr) {
        // no-op
    }

    public static final RMQMessage recreate(Message msg) throws JMSException {
        RMQNullMessage rmqNMsg = new RMQNullMessage();
        RMQMessage.copyAttributes(rmqNMsg, msg);
        return rmqNMsg;
    }

    @Override
    public boolean isBodyAssignableTo(Class c) {
        return true;
    }

    @Override
    protected  T doGetBody(Class c) {
        return null;
    }

    @Override
    public boolean isAmqpWritable() {
        return false;
    }
}