org.apache.qpid.proton.codec.impl.UnsignedByteElement Maven / Gradle / Ivy
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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.
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*/
package org.apache.qpid.proton.codec.impl;
import java.nio.ByteBuffer;
import org.apache.qpid.proton.amqp.UnsignedByte;
import org.apache.qpid.proton.codec.Data;
class UnsignedByteElement extends AtomicElement
{
private final UnsignedByte _value;
UnsignedByteElement(Element parent, Element prev, UnsignedByte ub)
{
super(parent, prev);
_value = ub;
}
@Override
public int size()
{
return isElementOfArray() ? 1 : 2;
}
@Override
public UnsignedByte getValue()
{
return _value;
}
@Override
public Data.DataType getDataType()
{
return Data.DataType.UBYTE;
}
@Override
public int encode(ByteBuffer b)
{
if(isElementOfArray())
{
if(b.hasRemaining())
{
b.put(_value.byteValue());
return 1;
}
}
else
{
if(b.remaining()>=2)
{
b.put((byte)0x50);
b.put(_value.byteValue());
return 2;
}
}
return 0;
}
}