/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.activemq.apollo.amqp.hawtdispatch.impl;

import org.apache.qpid.proton.codec.WritableBuffer;

import java.nio.ByteBuffer;

public class DroppingWritableBuffer implements WritableBuffer
{
    int pos = 0;

    @Override
    public boolean hasRemaining() {
        return true;
    }

    @Override
    public void put(byte b) {
        pos += 1;
    }

    @Override
    public void putFloat(float f) {
        pos += 4;
    }

    @Override
    public void putDouble(double d) {
        pos += 8;
    }

    @Override
    public void put(byte[] src, int offset, int length) {
        pos += length;
    }

    @Override
    public void putShort(short s) {
        pos += 2;
    }

    @Override
    public void putInt(int i) {
        pos += 4;
    }

    @Override
    public void putLong(long l) {
        pos += 8;
    }

    @Override
    public int remaining() {
        return Integer.MAX_VALUE - pos;
    }

    @Override
    public int position() {
        return pos;
    }

    @Override
    public void position(int position) {
        pos = position;
    }

    @Override
    public void put(ByteBuffer payload) {
        pos += payload.remaining();
        payload.position(payload.limit());
    }
}

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.activemq.apollo.amqp.hawtdispatch.impl;

import org.apache.qpid.proton.codec.WritableBuffer;

import java.nio.ByteBuffer;

public class DroppingWritableBuffer implements WritableBuffer
{
    int pos = 0;

    @Override
    public boolean hasRemaining() {
        return true;
    }

    @Override
    public void put(byte b) {
        pos += 1;
    }

    @Override
    public void putFloat(float f) {
        pos += 4;
    }

    @Override
    public void putDouble(double d) {
        pos += 8;
    }

    @Override
    public void put(byte[] src, int offset, int length) {
        pos += length;
    }

    @Override
    public void putShort(short s) {
        pos += 2;
    }

    @Override
    public void putInt(int i) {
        pos += 4;
    }

    @Override
    public void putLong(long l) {
        pos += 8;
    }

    @Override
    public int remaining() {
        return Integer.MAX_VALUE - pos;
    }

    @Override
    public int limit() {
        return Integer.MAX_VALUE;
    }

    @Override
    public int position() {
        return pos;
    }

    @Override
    public void position(int position) {
        pos = position;
    }

    @Override
    public void put(ByteBuffer payload) {
        pos += payload.remaining();
        payload.position(payload.limit());
    }
}

Add new required method.