/**
* Copyright (c) 2012, University of Konstanz, Distributed Systems Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the University of Konstanz nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
//Cleversafe open-source code header - Version 1.1 - December 1, 2006
//
//Cleversafe Dispersed Storage(TM) is software for secure, private and
//reliable storage of the world's data using information dispersal.
//
//Copyright (C) 2005-2007 Cleversafe, Inc.
//
//This program is free software; you can redistribute it and/or
//modify it under the terms of the GNU General Public License
//as published by the Free Software Foundation; either version 2
//of the License, or (at your option) any later version.
//
//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
//USA.
//
//Contact Information:
// Cleversafe, 10 W. 35th Street, 16th Floor #84,
// Chicago IL 60616
// email: licensing@cleversafe.org
//
//END-OF-HEADER
//-----------------------
//@author: John Quigley <jquigley@cleversafe.com>
//@date: January 1, 2008
//---------------------
package org.jscsi.scsi.protocol.sense;
import java.io.DataInputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import org.jscsi.scsi.protocol.Serializer;
import org.jscsi.scsi.protocol.sense.exceptions.SenseException.ResponseCode;
import org.jscsi.scsi.protocol.util.ByteBufferInputStream;
//TODO: Describe class or interface
public class SenseDataFactory implements Serializer
{
@SuppressWarnings("unchecked")
public SenseData decode(ByteBuffer buffer) throws IOException
{
DataInputStream in = new DataInputStream(new ByteBufferInputStream(buffer));
int b1 = in.readUnsignedByte();
ResponseCode code = ResponseCode.valueOf((byte) (b1 & 0x7F)); // throws IOException
SenseData sense = null;
switch (code)
{
case CURRENT_FIXED :
sense = new FixedSenseData();
break;
case CURRENT_DESCRIPTOR :
sense = new DescriptorSenseData();
break;
case DEFERRED_FIXED :
sense = new FixedSenseData();
break;
case DEFERRED_DESCRIPTOR :
sense = new DescriptorSenseData();
break;
}
sense.decode(new byte[]{
(byte) b1
}, buffer);
return sense;
}
}