/*
* Copyright 2001-2004 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package com.sun.corba.se.impl.encoding;
import java.nio.ByteBuffer;
import org.omg.CORBA.CompletionStatus;
import com.sun.org.omg.SendingContext.CodeBase;
import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
import com.sun.corba.se.impl.encoding.CDRInputStream;
import com.sun.corba.se.impl.encoding.BufferManagerFactory;
import com.sun.corba.se.impl.encoding.CodeSetConversion;
import com.sun.corba.se.impl.encoding.OSFCodeSetRegistry;
import com.sun.corba.se.impl.protocol.giopmsgheaders.Message;
import com.sun.corba.se.spi.orb.ORB;
import com.sun.corba.se.spi.logging.CORBALogDomains;
import com.sun.corba.se.impl.logging.ORBUtilSystemException;
/**
* Encapsulations are supposed to explicitly define their
* code sets and GIOP version. The original resolution to issue 2784
* said that the defaults were UTF-8 and UTF-16, but that was not
* agreed upon.
*
* These streams currently use CDR 1.2 with ISO8859-1 for char/string and
* UTF16 for wchar/wstring. If no byte order marker is available,
* the endianness of the encapsulation is used.
*
* When more encapsulations arise that have their own special code
* sets defined, we can make all constructors take such parameters.
*/
public class EncapsInputStream extends CDRInputStream
{
private ORBUtilSystemException wrapper ;
// corba/EncapsOutputStream
// corba/ORBSingleton
// iiop/ORB
public EncapsInputStream(org.omg.CORBA.ORB orb, byte[] buf,
int size, boolean littleEndian,
GIOPVersion version) {
super(orb, ByteBuffer.wrap(buf), size, littleEndian,
version, Message.CDR_ENC_VERSION,
BufferManagerFactory.newBufferManagerRead(
BufferManagerFactory.GROW,
Message.CDR_ENC_VERSION,
(ORB)orb));
wrapper = ORBUtilSystemException.get( (ORB)orb,
CORBALogDomains.RPC_ENCODING ) ;
performORBVersionSpecificInit();
}
public EncapsInputStream(org.omg.CORBA.ORB orb, ByteBuffer byteBuffer,
int size, boolean littleEndian,
GIOPVersion version) {
super(orb, byteBuffer, size, littleEndian,
version, Message.CDR_ENC_VERSION,
BufferManagerFactory.newBufferManagerRead(
BufferManagerFactory.GROW,
Message.CDR_ENC_VERSION,
(com.sun.corba.se.spi.orb.ORB)orb));
performORBVersionSpecificInit();
}
// ior/IdentifiableBase
// ior/IIOPProfile
// corba/ORBSingleton
// iiop/ORB
public EncapsInputStream(org.omg.CORBA.ORB orb, byte[] data, int size)
{
this(orb, data, size, GIOPVersion.V1_2);
}
// corba/AnyImpl
public EncapsInputStream(EncapsInputStream eis)
{
super(eis);
wrapper = ORBUtilSystemException.get( (ORB)(eis.orb()),
CORBALogDomains.RPC_ENCODING ) ;
performORBVersionSpecificInit();
}
// CDREncapsCodec
// ServiceContext
//
// Assumes big endian (can use consumeEndian to read and set
// the endianness if it is an encapsulation with a byte order
// mark at the beginning)
public EncapsInputStream(org.omg.CORBA.ORB orb, byte[] data, int size, GIOPVersion version)
{
this(orb, data, size, false, version);
}
/**
* Full constructor with a CodeBase parameter useful for
* unmarshaling RMI-IIOP valuetypes (technically against the
* intention of an encapsulation, but necessary due to OMG
* issue 4795. Used by ServiceContexts.
*/
public EncapsInputStream(org.omg.CORBA.ORB orb,
byte[] data,
int size,
GIOPVersion version,
CodeBase codeBase) {
super(orb,
ByteBuffer.wrap(data),
size,
false,
version, Message.CDR_ENC_VERSION,
BufferManagerFactory.newBufferManagerRead(
BufferManagerFactory.GROW,
Message.CDR_ENC_VERSION,
(ORB)orb));
this.codeBase = codeBase;
performORBVersionSpecificInit();
}
public CDRInputStream dup() {
return new EncapsInputStream(this);
}
protected CodeSetConversion.BTCConverter createCharBTCConverter() {
return CodeSetConversion.impl().getBTCConverter(OSFCodeSetRegistry.ISO_8859_1);
}
protected CodeSetConversion.BTCConverter createWCharBTCConverter() {
// Wide characters don't exist in GIOP 1.0
if (getGIOPVersion().equals(GIOPVersion.V1_0))
throw wrapper.wcharDataInGiop10( CompletionStatus.COMPLETED_MAYBE);
// In GIOP 1.1, we shouldn't have byte order markers. Take the order
// of the stream if we don't see them.
if (getGIOPVersion().equals(GIOPVersion.V1_1))
return CodeSetConversion.impl().getBTCConverter(OSFCodeSetRegistry.UTF_16,
isLittleEndian());
// Assume anything else adheres to GIOP 1.2 requirements.
//
// Our UTF_16 converter will work with byte order markers, and if
// they aren't present, it will use the provided endianness.
//
// With no byte order marker, it's big endian in GIOP 1.2.
// formal 00-11-03 15.3.16.
return CodeSetConversion.impl().getBTCConverter(OSFCodeSetRegistry.UTF_16,
false);
}
public CodeBase getCodeBase() {
return codeBase;
}
private CodeBase codeBase;
}