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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.transport.codec;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import org.apache.qpid.transport.Binary;
/**
* BBDecoder
*
* @author Rafael H. Schloming
*/
public final class BBDecoder extends AbstractDecoder
{
private ByteBuffer in;
public void init(ByteBuffer in)
{
this.in = in;
this.in.order(ByteOrder.BIG_ENDIAN);
}
protected byte doGet()
{
return in.get();
}
protected void doGet(byte[] bytes)
{
in.get(bytes);
}
protected Binary get(int size)
{
if (in.hasArray())
{
byte[] bytes = in.array();
Binary bin = new Binary(bytes, in.arrayOffset() + in.position(), size);
in.position(in.position() + size);
return bin;
}
else
{
return super.get(size);
}
}
public boolean hasRemaining()
{
return in.hasRemaining();
}
public short readUint8()
{
return (short) (0xFF & in.get());
}
public int readUint16()
{
return 0xFFFF & in.getShort();
}
public long readUint32()
{
return 0xFFFFFFFFL & in.getInt();
}
public long readUint64()
{
return in.getLong();
}
}
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