/*
* JacORB - a free Java ORB
*
* Copyright (C) 1999-2004 Gerald Brose
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
package org.jacorb.orb.portableInterceptor;
import org.jacorb.orb.CDRInputStream;
import org.jacorb.orb.CDROutputStream;
import org.omg.CORBA.Any;
import org.omg.CORBA.ORB;
import org.omg.CORBA.TypeCode;
import org.omg.IOP.Codec;
import org.omg.IOP.ENCODING_CDR_ENCAPS;
import org.omg.IOP.Encoding;
import org.omg.IOP.CodecFactoryPackage.UnknownEncoding;
import org.omg.IOP.CodecPackage.FormatMismatch;
import org.omg.IOP.CodecPackage.InvalidTypeForEncoding;
import org.omg.IOP.CodecPackage.TypeMismatch;
/**
* This class represents a codec for encoding CDR encapsulations for the supported
* GIOP versions 1.0-1.2
*
* See PI SPec p.10-77ff
*
* @author Nicolas Noffke
* @version $Id: CodecImpl.java,v 1.5 2008-11-14 08:55:34 nick.cross Exp $
*/
public class CodecImpl
extends org.omg.CORBA.LocalObject
implements Codec
{
private final ORB orb;
private final int giopMinor;
public CodecImpl(ORB orb, Encoding enc)
throws UnknownEncoding
{
super();
if (enc.format != ENCODING_CDR_ENCAPS.value)
{
throw new UnknownEncoding();
}
if (enc.major_version != 1 || enc.minor_version > 2 )
{
throw new UnknownEncoding();
}
this.orb = orb;
this.giopMinor = enc.minor_version;
}
// implementation of org.omg.IOP.CodecOperations interface
public Any decode(byte[] data)
throws FormatMismatch
{
final CDRInputStream in = new CDRInputStream(orb, data);
try
{
in.setGIOPMinor( giopMinor );
in.openEncapsulatedArray();
Any result = in.read_any();
//not necessary, since stream is never used again
//in.closeEncapsulation();
return result;
}
finally
{
in.close();
}
}
public Any decode_value(byte[] data, TypeCode tc)
throws FormatMismatch, TypeMismatch
{
final CDRInputStream in = new CDRInputStream(orb, data);
try
{
in.setGIOPMinor( giopMinor );
in.openEncapsulatedArray();
Any result = orb.create_any();
result.read_value(in, tc);
//not necessary, since stream is never used again
//in.closeEncasupaltion();
return result;
}
finally
{
in.close();
}
}
public byte[] encode(Any data)
throws InvalidTypeForEncoding
{
final CDROutputStream out = new CDROutputStream(orb);
try
{
out.setGIOPMinor( giopMinor );
out.beginEncapsulatedArray();
out.write_any(data);
/*
closing must not be done, since it will patch the
array with a size!
try
{
out.endEncapsulation();
}
catch (java.io.IOException e)
{
}
*/
/*
* We have to copy anyway since we need an exact-sized array.
* Closing afterwards, to return buffer to BufferManager.
*/
byte[] result = out.getBufferCopy();
return result;
}
finally
{
out.close();
}
}
public byte[] encode_value(Any data)
throws InvalidTypeForEncoding
{
final CDROutputStream out = new CDROutputStream(orb);
try
{
out.setGIOPMinor( giopMinor );
out.beginEncapsulatedArray();
data.write_value(out);
/*
closing must not be done, since it will patch the
array with a size!
try
{
out.endEncapsulation();
}
catch (java.io.IOException e)
{
}
*/
/*
* We have to copy anyway since we need an exact-sized array.
* Closing afterwards, to return buffer to BufferManager.
*/
byte[] result = out.getBufferCopy();
return result;
}
finally
{
out.close();
}
}
} // CodecImpl