Java Code Examples for com.sun.corba.se.impl.encoding.CodeSetConversion#CTBConverter

/**
 * Override the default CDR factory behavior to get the
 * negotiated code sets from the connection.
 *
 * These are only called once per message, the first time needed.
 *
 * In the local case, there is no Connection, so use the
 * local code sets.
 */
protected CodeSetConversion.CTBConverter createCharCTBConverter() {
    CodeSetComponentInfo.CodeSetContext codesets = getCodeSets();

    // If the connection doesn't have its negotiated
    // code sets by now, fall back on the defaults defined
    // in CDRInputStream.
    if (codesets == null)
        return super.createCharCTBConverter();

    OSFCodeSetRegistry.Entry charSet
        = OSFCodeSetRegistry.lookupEntry(codesets.getCharCodeSet());

    if (charSet == null)
        throw wrapper.unknownCodeset( charSet ) ;

    return CodeSetConversion.impl().getCTBConverter(charSet,
                                                    isLittleEndian(),
                                                    false);
}
 

public void write_wchar(char x)
{
    // In GIOP 1.2, a wchar is encoded as an unsigned octet length
    // followed by the octets of the converted wchar.  This is good,
    // but it causes problems with our chunking code.  We don't
    // want that octet to get put in a different chunk at the end
    // of the previous fragment.
    //
    // Ensure that this won't happen by overriding write_wchar_array
    // and doing our own handleSpecialChunkBegin/End here.
    CodeSetConversion.CTBConverter converter = getWCharConverter();

    converter.convert(x);

    handleSpecialChunkBegin(1 + converter.getNumBytes());

    write_octet((byte)converter.getNumBytes());

    byte[] result = converter.getBytes();

    // Write the bytes without messing with chunking
    // See CDROutputStream_1_0
    internalWriteOctetArray(result, 0, converter.getNumBytes());

    handleSpecialChunkEnd();
}
 

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);
}
 

public void write_wchar(char x)
{
    // In GIOP 1.1, interoperability with wchar is limited
    // to 2 byte fixed width encodings.  CORBA formal 99-10-07 15.3.1.6.
    // Note that the following code prohibits UTF-16 with a byte
    // order marker (which would result in 4 bytes).
    CodeSetConversion.CTBConverter converter = getWCharConverter();

    converter.convert(x);

    if (converter.getNumBytes() != 2)
        throw wrapper.badGiop11Ctb(CompletionStatus.COMPLETED_MAYBE);

    alignAndReserve(converter.getAlignment(),
                    converter.getNumBytes());

    parent.write_octet_array(converter.getBytes(),
                             0,
                             converter.getNumBytes());
}
 

public void write_wchar(char x)
{
    // In GIOP 1.1, interoperability with wchar is limited
    // to 2 byte fixed width encodings.  CORBA formal 99-10-07 15.3.1.6.
    // Note that the following code prohibits UTF-16 with a byte
    // order marker (which would result in 4 bytes).
    CodeSetConversion.CTBConverter converter = getWCharConverter();

    converter.convert(x);

    if (converter.getNumBytes() != 2)
        throw wrapper.badGiop11Ctb(CompletionStatus.COMPLETED_MAYBE);

    alignAndReserve(converter.getAlignment(),
                    converter.getNumBytes());

    parent.write_octet_array(converter.getBytes(),
                             0,
                             converter.getNumBytes());
}
 

public void write_wchar(char x)
{
    // In GIOP 1.1, interoperability with wchar is limited
    // to 2 byte fixed width encodings.  CORBA formal 99-10-07 15.3.1.6.
    // Note that the following code prohibits UTF-16 with a byte
    // order marker (which would result in 4 bytes).
    CodeSetConversion.CTBConverter converter = getWCharConverter();

    converter.convert(x);

    if (converter.getNumBytes() != 2)
        throw wrapper.badGiop11Ctb(CompletionStatus.COMPLETED_MAYBE);

    alignAndReserve(converter.getAlignment(),
                    converter.getNumBytes());

    parent.write_octet_array(converter.getBytes(),
                             0,
                             converter.getNumBytes());
}
 

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);
}
 

public void write_char(char x)
{
    CodeSetConversion.CTBConverter converter = getCharConverter();

    converter.convert(x);

    // CORBA formal 99-10-07 15.3.1.6: "In the case of multi-byte encodings
    // of characters, a single instance of the char type may only
    // hold one octet of any multi-byte character encoding."
    if (converter.getNumBytes() > 1)
        throw wrapper.invalidSingleCharCtb(CompletionStatus.COMPLETED_MAYBE);

    write_octet(converter.getBytes()[0]);
}
 

public void write_char(char x)
{
    CodeSetConversion.CTBConverter converter = getCharConverter();

    converter.convert(x);

    // CORBA formal 99-10-07 15.3.1.6: "In the case of multi-byte encodings
    // of characters, a single instance of the char type may only
    // hold one octet of any multi-byte character encoding."
    if (converter.getNumBytes() > 1)
        throw wrapper.invalidSingleCharCtb(CompletionStatus.COMPLETED_MAYBE);

    write_octet(converter.getBytes()[0]);
}
 

protected CodeSetConversion.CTBConverter getCharConverter() {
    if (charConverter == null)
        charConverter = parent.createCharCTBConverter();

    return charConverter;
}
 

protected CodeSetConversion.CTBConverter getCharConverter() {
    if (charConverter == null)
        charConverter = parent.createCharCTBConverter();

    return charConverter;
}
 

protected CodeSetConversion.CTBConverter getWCharConverter() {
    if (wcharConverter == null)
        wcharConverter = parent.createWCharCTBConverter();

    return wcharConverter;
}
 

protected CodeSetConversion.CTBConverter createCharCTBConverter() {
    return CodeSetConversion.impl().getCTBConverter(OSFCodeSetRegistry.ISO_8859_1);
}
 

protected CodeSetConversion.CTBConverter createCharCTBConverter() {
    return CodeSetConversion.impl().getCTBConverter(OSFCodeSetRegistry.ISO_8859_1);
}
 

protected CodeSetConversion.CTBConverter createCharCTBConverter() {
    return CodeSetConversion.impl().getCTBConverter(OSFCodeSetRegistry.ISO_8859_1);
}
 

protected CodeSetConversion.CTBConverter getWCharConverter() {
    if (wcharConverter == null)
        wcharConverter = parent.createWCharCTBConverter();

    return wcharConverter;
}
 

public void write_wstring(String value)
{
    if (value == null) {
        throw wrapper.nullParam(CompletionStatus.COMPLETED_MAYBE);
    }

    // The length is the number of code points (which are 2 bytes each)
    // including the 2 byte null.  See CORBA formal 99-10-07 15.3.2.7.

    int len = value.length() + 1;

    write_long(len);

    CodeSetConversion.CTBConverter converter = getWCharConverter();

    converter.convert(value);

    internalWriteOctetArray(converter.getBytes(), 0, converter.getNumBytes());

    // Write the 2 byte null ending
    write_short((short)0);
}
 

protected CodeSetConversion.CTBConverter getWCharConverter() {
    if (wcharConverter == null)
        wcharConverter = parent.createWCharCTBConverter();

    return wcharConverter;
}
 

protected CodeSetConversion.CTBConverter getCharConverter() {
    if (charConverter == null)
        charConverter = parent.createCharCTBConverter();

    return charConverter;
}
 

protected CodeSetConversion.CTBConverter createWCharCTBConverter() {

        CodeSetComponentInfo.CodeSetContext codesets = getCodeSets();

        // If the connection doesn't have its negotiated
        // code sets by now, we have to throw an exception.
        // See CORBA formal 00-11-03 13.9.2.6.
        if (codesets == null) {
            if (getConnection().isServer())
                throw omgWrapper.noClientWcharCodesetCtx() ;
            else
                throw omgWrapper.noServerWcharCodesetCmp() ;
        }

        OSFCodeSetRegistry.Entry wcharSet
            = OSFCodeSetRegistry.lookupEntry(codesets.getWCharCodeSet());

        if (wcharSet == null)
            throw wrapper.unknownCodeset( wcharSet ) ;

        boolean useByteOrderMarkers
            = ((ORB)orb()).getORBData().useByteOrderMarkers();

        // With UTF-16:
        //
        // For GIOP 1.2, we can put byte order markers if we want to, and
        // use the default of big endian otherwise.  (See issue 3405b)
        //
        // For GIOP 1.1, we don't use BOMs and use the endianness of
        // the stream.
        if (wcharSet == OSFCodeSetRegistry.UTF_16) {
            if (getGIOPVersion().equals(GIOPVersion.V1_2)) {
                return CodeSetConversion.impl().getCTBConverter(wcharSet,
                                                                false,
                                                                useByteOrderMarkers);
            }

            if (getGIOPVersion().equals(GIOPVersion.V1_1)) {
                return CodeSetConversion.impl().getCTBConverter(wcharSet,
                                                                isLittleEndian(),
                                                                false);
            }
        }

        // In the normal case, let the converter system handle it
        return CodeSetConversion.impl().getCTBConverter(wcharSet,
                                                        isLittleEndian(),
                                                        useByteOrderMarkers);
    }