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/*
*
* 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.qpid.amqp_1_0.codec;
import java.nio.ByteBuffer;
public class ByteBufferWriter extends SimpleVariableWidthWriter<ByteBuffer>
{
@Override
protected byte getFourOctetEncodingCode()
{
return (byte)0xb0;
}
@Override
protected byte getSingleOctetEncodingCode()
{
return (byte)0xa0;
}
@Override
protected byte[] getByteArray(ByteBuffer value)
{
if(value.hasArray() && value.arrayOffset() == 0 && value.remaining() == value.array().length)
{
return value.array();
}
else
{
byte[] copy = new byte[value.remaining()];
value.duplicate().get(copy);
return copy;
}
}
@Override
protected int getOffset()
{
return 0;
}
private static Factory<ByteBuffer> FACTORY = new Factory<ByteBuffer>()
{
public ValueWriter<ByteBuffer> newInstance(Registry registry)
{
return new ByteBufferWriter();
}
};
public static void register(Registry registry)
{
registry.register(ByteBuffer.class, FACTORY);
}
}
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