- /*
- * @(#)EncapsOutputStream.java 1.15 04/06/21
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package com.sun.corba.se.impl.encoding;
-
- import org.omg.CORBA.CompletionStatus;
-
- import com.sun.corba.se.spi.orb.ORB;
-
- import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
-
- import com.sun.corba.se.impl.encoding.CodeSetConversion;
- import com.sun.corba.se.impl.encoding.OSFCodeSetRegistry;
- import com.sun.corba.se.impl.encoding.CDROutputStream;
- import com.sun.corba.se.impl.encoding.BufferManagerWrite;
- import com.sun.corba.se.impl.encoding.BufferManagerFactory;
- import com.sun.corba.se.impl.protocol.giopmsgheaders.Message;
- import com.sun.corba.se.impl.orbutil.ORBConstants;
-
- /**
- * 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 EncapsOutputStream extends CDROutputStream
- {
-
- // REVISIT - Right now, EncapsOutputStream's do not use
- // pooled byte buffers. This is controlled by the following
- // static constant. This should be re-factored such that
- // the EncapsOutputStream doesn't know it's using pooled
- // byte buffers.
- final static boolean usePooledByteBuffers = false;
-
- // REVISIT - Right now, valuetypes in encapsulations will
- // only use stream format version 1, which may create problems
- // for service contexts or codecs (?).
-
- // corba/ORB
- // corba/ORBSingleton
- // iiop/ORB
- // iiop/GIOPImpl
- // corba/AnyImpl
- public EncapsOutputStream(ORB orb) {
- // GIOP version 1.2 with no fragmentation, big endian,
- // UTF8 for char data and UTF-16 for wide char data;
- this(orb, GIOPVersion.V1_2);
- }
-
- // CDREncapsCodec
- //
- // REVISIT. A UTF-16 encoding with GIOP 1.1 will not work
- // with byte order markers.
- public EncapsOutputStream(ORB orb, GIOPVersion version) {
- this(orb, version, false);
- }
-
- // Used by IIOPProfileTemplate
- //
- public EncapsOutputStream(ORB orb, boolean isLittleEndian) {
- this(orb, GIOPVersion.V1_2, isLittleEndian);
- }
-
- public EncapsOutputStream(ORB orb,
- GIOPVersion version,
- boolean isLittleEndian)
- {
- super(orb, version, Message.CDR_ENC_VERSION, isLittleEndian,
- BufferManagerFactory.newBufferManagerWrite(
- BufferManagerFactory.GROW,
- Message.CDR_ENC_VERSION,
- orb),
- ORBConstants.STREAM_FORMAT_VERSION_1,
- usePooledByteBuffers);
- }
-
- public org.omg.CORBA.portable.InputStream create_input_stream() {
- freeInternalCaches();
-
- return new EncapsInputStream(orb(),
- getByteBuffer(),
- getSize(),
- isLittleEndian(),
- getGIOPVersion());
- }
-
- protected CodeSetConversion.CTBConverter createCharCTBConverter() {
- return CodeSetConversion.impl().getCTBConverter(OSFCodeSetRegistry.ISO_8859_1);
- }
-
- protected CodeSetConversion.CTBConverter createWCharCTBConverter() {
- if (getGIOPVersion().equals(GIOPVersion.V1_0))
- throw wrapper.wcharDataInGiop10(CompletionStatus.COMPLETED_MAYBE);
-
- // In the case of GIOP 1.1, we take the byte order of the stream and don't
- // use byte order markers since we're limited to a 2 byte fixed width encoding.
- if (getGIOPVersion().equals(GIOPVersion.V1_1))
- return CodeSetConversion.impl().getCTBConverter(OSFCodeSetRegistry.UTF_16,
- isLittleEndian(),
- false);
-
- // Assume anything else meets GIOP 1.2 requirements
- //
- // Use byte order markers? If not, use big endian in GIOP 1.2.
- // (formal 00-11-03 15.3.16)
-
- boolean useBOM = ((ORB)orb()).getORBData().useByteOrderMarkersInEncapsulations();
-
- return CodeSetConversion.impl().getCTBConverter(OSFCodeSetRegistry.UTF_16,
- false,
- useBOM);
- }
- }