/*
*
* 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.proton.codec;
import org.apache.qpid.proton.type.Binary;
import java.util.Arrays;
import java.util.Collection;
public class BinaryType extends AbstractPrimitiveType<Binary>
{
private final BinaryEncoding _binaryEncoding;
private final BinaryEncoding _shortBinaryEncoding;
private static interface BinaryEncoding extends PrimitiveTypeEncoding<Binary>
{
}
BinaryType(final EncoderImpl encoder, final DecoderImpl decoder)
{
_binaryEncoding = new LongBinaryEncoding(encoder, decoder);
_shortBinaryEncoding = new ShortBinaryEncoding(encoder, decoder);
encoder.register(Binary.class, this);
decoder.register(this);
}
public Class<Binary> getTypeClass()
{
return Binary.class;
}
public BinaryEncoding getEncoding(final Binary val)
{
return val.getLength() <= 255 ? _shortBinaryEncoding : _binaryEncoding;
}
public BinaryEncoding getCanonicalEncoding()
{
return _binaryEncoding;
}
public Collection<BinaryEncoding> getAllEncodings()
{
return Arrays.asList(_shortBinaryEncoding, _binaryEncoding);
}
private class LongBinaryEncoding
extends LargeFloatingSizePrimitiveTypeEncoding<Binary>
implements BinaryEncoding
{
public LongBinaryEncoding(final EncoderImpl encoder, final DecoderImpl decoder)
{
super(encoder, decoder);
}
@Override
protected void writeEncodedValue(final Binary val)
{
getEncoder().writeRaw(val.getArray(), val.getArrayOffset(), val.getLength());
}
@Override
protected int getEncodedValueSize(final Binary val)
{
return val.getLength();
}
@Override
public byte getEncodingCode()
{
return EncodingCodes.VBIN32;
}
public BinaryType getType()
{
return BinaryType.this;
}
public boolean encodesSuperset(final TypeEncoding<Binary> encoding)
{
return (getType() == encoding.getType());
}
public Binary readValue()
{
int size = getDecoder().readRawInt();
byte[] data = new byte[size];
getDecoder().readRaw(data, 0, size);
return new Binary(data);
}
}
private class ShortBinaryEncoding
extends SmallFloatingSizePrimitiveTypeEncoding<Binary>
implements BinaryEncoding
{
public ShortBinaryEncoding(final EncoderImpl encoder, final DecoderImpl decoder)
{
super(encoder, decoder);
}
@Override
protected void writeEncodedValue(final Binary val)
{
getEncoder().writeRaw(val.getArray(), val.getArrayOffset(), val.getLength());
}
@Override
protected int getEncodedValueSize(final Binary val)
{
return val.getLength();
}
@Override
public byte getEncodingCode()
{
return EncodingCodes.VBIN8;
}
public BinaryType getType()
{
return BinaryType.this;
}
public boolean encodesSuperset(final TypeEncoding<Binary> encoder)
{
return encoder == this;
}
public Binary readValue()
{
int size = ((int)getDecoder().readRawByte()) & 0xff;
byte[] data = new byte[size];
getDecoder().readRaw(data, 0, size);
return new Binary(data);
}
}
}