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A Java Bitcoin library
There is a newer version: 0.15-cm06
/*
 * Copyright 2015 Ross Nicoll
 *
 * 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 org.bitcoinj.core;

import java.io.IOException;
import java.io.OutputStream;
import java.nio.BufferUnderflowException;
import java.nio.ByteBuffer;

/**
 * Dummy serializer used ONLY for objects which do not have network parameters
 * set.
 */
class DummySerializer extends MessageSerializer {
    public static final DummySerializer DEFAULT = new DummySerializer();

    private static final String DEFAULT_EXCEPTION_MESSAGE = "Dummy serializer cannot serialize/deserialize objects as it does not know which network they belong to.";

    public DummySerializer() {
    }

    @Override
    public Message deserialize(ByteBuffer in) throws UnsupportedOperationException {
        throw new UnsupportedOperationException(DEFAULT_EXCEPTION_MESSAGE);
    }

    @Override
    public BitcoinSerializer.BitcoinPacketHeader deserializeHeader(ByteBuffer in) throws UnsupportedOperationException {
        throw new UnsupportedOperationException(DEFAULT_EXCEPTION_MESSAGE);
    }

    @Override
    public Message deserializePayload(BitcoinSerializer.BitcoinPacketHeader header, ByteBuffer in) throws UnsupportedOperationException {
        throw new UnsupportedOperationException(DEFAULT_EXCEPTION_MESSAGE);
    }

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

    @Override
    public AddressMessage makeAddressMessage(byte[] payloadBytes, int length) throws UnsupportedOperationException {
        throw new UnsupportedOperationException(DEFAULT_EXCEPTION_MESSAGE);
    }

    @Override
    public Message makeAlertMessage(byte[] payloadBytes) throws UnsupportedOperationException {
        throw new UnsupportedOperationException(DEFAULT_EXCEPTION_MESSAGE);
    }

    @Override
    public Block makeBlock(byte[] payloadBytes, int offset, int length) throws UnsupportedOperationException {
        throw new UnsupportedOperationException(DEFAULT_EXCEPTION_MESSAGE);
    }

    @Override
    public Message makeBloomFilter(byte[] payloadBytes) throws UnsupportedOperationException {
        throw new UnsupportedOperationException(DEFAULT_EXCEPTION_MESSAGE);
    }

    @Override
    public FilteredBlock makeFilteredBlock(byte[] payloadBytes) throws UnsupportedOperationException {
        throw new UnsupportedOperationException(DEFAULT_EXCEPTION_MESSAGE);
    }

    @Override
    public InventoryMessage makeInventoryMessage(byte[] payloadBytes, int length) throws UnsupportedOperationException {
        throw new UnsupportedOperationException(DEFAULT_EXCEPTION_MESSAGE);
    }

    @Override
    public Transaction makeTransaction(byte[] payloadBytes, int offset, int length, byte[] hash) throws UnsupportedOperationException {
        throw new UnsupportedOperationException(DEFAULT_EXCEPTION_MESSAGE);
    }

    @Override
    public void seekPastMagicBytes(ByteBuffer in) throws BufferUnderflowException {
        throw new UnsupportedOperationException(DEFAULT_EXCEPTION_MESSAGE);
    }

    @Override
    public void serialize(String name, byte[] message, OutputStream out) throws IOException {
        throw new UnsupportedOperationException(DEFAULT_EXCEPTION_MESSAGE);
    }

    @Override
    public void serialize(Message message, OutputStream out) throws IOException {
        throw new UnsupportedOperationException(DEFAULT_EXCEPTION_MESSAGE);
    }
    
}