- /*
- * @(#)EncapsInputStream.java 1.11 03/01/23
- *
- * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package com.sun.corba.se.internal.corba;
-
- import org.omg.CORBA.ORB;
- import org.omg.CORBA.MARSHAL;
- import org.omg.CORBA.CompletionStatus;
- import com.sun.org.omg.SendingContext.CodeBase;
- import com.sun.corba.se.internal.core.*;
- import com.sun.corba.se.internal.iiop.CDRInputStream;
- import com.sun.corba.se.internal.orbutil.MinorCodes;
-
- /**
- * 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
- {
- // corba/EncapsOutputStream
- // corba/ORBSingleton
- // iiop/ORB
- public EncapsInputStream(ORB orb, byte[] buf, int size, boolean littleEndian) {
- // CDR 1.2 encoding UTF8/UTF16 (without a BOM) and grow strategy
- super(orb, buf, size, littleEndian, GIOPVersion.V1_2, false);
- performORBVersionSpecificInit();
- }
-
- // corba/ORBSingleton
- // iiop/ORB
- public EncapsInputStream(ORB orb) {
- super(orb, false, GIOPVersion.V1_2, false);
- performORBVersionSpecificInit();
- }
-
- // corba/AnyImpl
- public EncapsInputStream(EncapsInputStream eis) {
- super(eis);
- performORBVersionSpecificInit();
- }
-
- // corba/ORBSingleton
- // iiop/ORB
- public EncapsInputStream(ORB orb, byte[] data, int size) {
- super(orb, data, size, false, GIOPVersion.V1_2, false);
- performORBVersionSpecificInit();
- }
-
- // CDREncapsCodec
- public EncapsInputStream(ORB orb, byte[] data, int size, GIOPVersion version) {
- super(orb, data, size, false, version, false);
- performORBVersionSpecificInit();
- }
-
- /**
- * 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(ORB orb,
- byte[] data,
- int size,
- GIOPVersion version,
- CodeBase codeBase) {
- super(orb, data, size, false, version, false);
-
- 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 new MARSHAL(MinorCodes.WCHAR_DATA_IN_GIOP_1_0,
- 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;
- }