com.sun.corba.se.impl.encoding.CodeSetComponentInfo Java Examples

/**
 * 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.BTCConverter createCharBTCConverter() {
    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.createCharBTCConverter();

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

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

    return CodeSetConversion.impl().getBTCConverter(charSet, isLittleEndian());
}
 

/**
 * 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.BTCConverter createCharBTCConverter() {
    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.createCharBTCConverter();

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

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

    return CodeSetConversion.impl().getBTCConverter(charSet, isLittleEndian());
}
 

public CodeSetComponentInfo.CodeSetContext getCodeSetContext() {
    // Needs to be synchronized for the following case when the client
    // doesn't send the code set context twice, and we have two threads
    // in ServerRequestDispatcher processCodeSetContext.
    //
    // Thread A checks to see if there is a context, there is none, so
    //     it calls setCodeSetContext, getting the synch lock.
    // Thread B checks to see if there is a context.  If we didn't synch,
    //     it might decide to outlaw wchar/wstring.
    if (codeSetContext == null) {
        synchronized(this) {
            return codeSetContext;
        }
    }

    return codeSetContext;
}
 

/**
 * 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.BTCConverter createCharBTCConverter() {
    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.createCharBTCConverter();

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

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

    return CodeSetConversion.impl().getBTCConverter(charSet, isLittleEndian());
}
 

/**
 * 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 CodeSetComponentInfo.CodeSetContext getCodeSetContext() {
    // Needs to be synchronized for the following case when the client
    // doesn't send the code set context twice, and we have two threads
    // in ServerRequestDispatcher processCodeSetContext.
    //
    // Thread A checks to see if there is a context, there is none, so
    //     it calls setCodeSetContext, getting the synch lock.
    // Thread B checks to see if there is a context.  If we didn't synch,
    //     it might decide to outlaw wchar/wstring.
    if (codeSetContext == null) {
        synchronized(this) {
            return codeSetContext;
        }
    }

    return codeSetContext;
}
 

/**
 * 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.BTCConverter createCharBTCConverter() {
    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.createCharBTCConverter();

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

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

    return CodeSetConversion.impl().getBTCConverter(charSet, isLittleEndian());
}
 

public synchronized void setCodeSetContext(CodeSetComponentInfo.CodeSetContext csc) {
    // Double check whether or not we need to do this
    if (codeSetContext == null) {

        if (OSFCodeSetRegistry.lookupEntry(csc.getCharCodeSet()) == null ||
            OSFCodeSetRegistry.lookupEntry(csc.getWCharCodeSet()) == null) {
            // If the client says it's negotiated a code set that
            // isn't a fallback and we never said we support, then
            // it has a bug.
            throw wrapper.badCodesetsFromClient() ;
        }

        codeSetContext = csc;
    }
}
 

public synchronized void setCodeSetContext(CodeSetComponentInfo.CodeSetContext csc) {
    // Double check whether or not we need to do this
    if (codeSetContext == null) {

        if (OSFCodeSetRegistry.lookupEntry(csc.getCharCodeSet()) == null ||
            OSFCodeSetRegistry.lookupEntry(csc.getWCharCodeSet()) == null) {
            // If the client says it's negotiated a code set that
            // isn't a fallback and we never said we support, then
            // it has a bug.
            throw wrapper.badCodesetsFromClient() ;
        }

        codeSetContext = csc;
    }
}
 

public CodeSetsComponentImpl(com.sun.corba.se.spi.orb.ORB orb)
{
    if (orb == null)
        csci = new CodeSetComponentInfo();
    else
        csci = orb.getORBData().getCodeSetComponentInfo();
}
 

protected CodeSetConversion.BTCConverter createWCharBTCConverter() {

        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 ) ;

        // For GIOP 1.2 and UTF-16, use big endian if there is no byte
        // order marker.  (See issue 3405b)
        //
        // For GIOP 1.1 and UTF-16, use the byte order the stream if
        // there isn't (and there shouldn't be) a byte order marker.
        //
        // GIOP 1.0 doesn't have wchars.  If we're talking to a legacy ORB,
        // we do what our old ORBs did.
        if (wcharSet == OSFCodeSetRegistry.UTF_16) {
            if (getGIOPVersion().equals(GIOPVersion.V1_2))
                return CodeSetConversion.impl().getBTCConverter(wcharSet, false);
        }

        return CodeSetConversion.impl().getBTCConverter(wcharSet, isLittleEndian());
    }
 

private Operation makeCSOperation()
{
    Operation csop = new Operation() {
        public Object operate( Object value )
        {
            String val = (String)value ;
            return CodeSetComponentInfo.createFromString( val ) ;
        }
    } ;

    return csop ;
}
 

public synchronized void setCodeSetContext(CodeSetComponentInfo.CodeSetContext csc) {
    // Double check whether or not we need to do this
    if (codeSetContext == null) {

        if (OSFCodeSetRegistry.lookupEntry(csc.getCharCodeSet()) == null ||
            OSFCodeSetRegistry.lookupEntry(csc.getWCharCodeSet()) == null) {
            // If the client says it's negotiated a code set that
            // isn't a fallback and we never said we support, then
            // it has a bug.
            throw wrapper.badCodesetsFromClient() ;
        }

        codeSetContext = csc;
    }
}
 

public CodeSetsComponentImpl(com.sun.corba.se.spi.orb.ORB orb)
{
    if (orb == null)
        csci = new CodeSetComponentInfo();
    else
        csci = orb.getORBData().getCodeSetComponentInfo();
}
 

public synchronized void setCodeSetContext(CodeSetComponentInfo.CodeSetContext csc) {
    // Double check whether or not we need to do this
    if (codeSetContext == null) {

        if (OSFCodeSetRegistry.lookupEntry(csc.getCharCodeSet()) == null ||
            OSFCodeSetRegistry.lookupEntry(csc.getWCharCodeSet()) == null) {
            // If the client says it's negotiated a code set that
            // isn't a fallback and we never said we support, then
            // it has a bug.
            throw wrapper.badCodesetsFromClient() ;
        }

        codeSetContext = csc;
    }
}
 

public synchronized void setCodeSetContext(CodeSetComponentInfo.CodeSetContext csc) {
    // Double check whether or not we need to do this
    if (codeSetContext == null) {

        if (OSFCodeSetRegistry.lookupEntry(csc.getCharCodeSet()) == null ||
            OSFCodeSetRegistry.lookupEntry(csc.getWCharCodeSet()) == null) {
            // If the client says it's negotiated a code set that
            // isn't a fallback and we never said we support, then
            // it has a bug.
            throw wrapper.badCodesetsFromClient() ;
        }

        codeSetContext = csc;
    }
}
 

public synchronized void setCodeSetContext(CodeSetComponentInfo.CodeSetContext csc) {
    // Double check whether or not we need to do this
    if (codeSetContext == null) {

        if (OSFCodeSetRegistry.lookupEntry(csc.getCharCodeSet()) == null ||
            OSFCodeSetRegistry.lookupEntry(csc.getWCharCodeSet()) == null) {
            // If the client says it's negotiated a code set that
            // isn't a fallback and we never said we support, then
            // it has a bug.
            throw wrapper.badCodesetsFromClient() ;
        }

        codeSetContext = csc;
    }
}
 

private Operation makeCSOperation()
{
    Operation csop = new Operation() {
        public Object operate( Object value )
        {
            String val = (String)value ;
            return CodeSetComponentInfo.createFromString( val ) ;
        }
    } ;

    return csop ;
}
 

protected CodeSetConversion.BTCConverter createWCharBTCConverter() {

        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 ) ;

        // For GIOP 1.2 and UTF-16, use big endian if there is no byte
        // order marker.  (See issue 3405b)
        //
        // For GIOP 1.1 and UTF-16, use the byte order the stream if
        // there isn't (and there shouldn't be) a byte order marker.
        //
        // GIOP 1.0 doesn't have wchars.  If we're talking to a legacy ORB,
        // we do what our old ORBs did.
        if (wcharSet == OSFCodeSetRegistry.UTF_16) {
            if (getGIOPVersion().equals(GIOPVersion.V1_2))
                return CodeSetConversion.impl().getBTCConverter(wcharSet, false);
        }

        return CodeSetConversion.impl().getBTCConverter(wcharSet, isLittleEndian());
    }
 

private Operation makeCSOperation()
{
    Operation csop = new Operation() {
        public Object operate( Object value )
        {
            String val = (String)value ;
            return CodeSetComponentInfo.createFromString( val ) ;
        }
    } ;

    return csop ;
}
 

private Operation makeCSOperation()
{
    Operation csop = new Operation() {
        public Object operate( Object value )
        {
            String val = (String)value ;
            return CodeSetComponentInfo.createFromString( val ) ;
        }
    } ;

    return csop ;
}
 

protected CodeSetConversion.BTCConverter createWCharBTCConverter() {

        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 ) ;

        // For GIOP 1.2 and UTF-16, use big endian if there is no byte
        // order marker.  (See issue 3405b)
        //
        // For GIOP 1.1 and UTF-16, use the byte order the stream if
        // there isn't (and there shouldn't be) a byte order marker.
        //
        // GIOP 1.0 doesn't have wchars.  If we're talking to a legacy ORB,
        // we do what our old ORBs did.
        if (wcharSet == OSFCodeSetRegistry.UTF_16) {
            if (getGIOPVersion().equals(GIOPVersion.V1_2))
                return CodeSetConversion.impl().getBTCConverter(wcharSet, false);
        }

        return CodeSetConversion.impl().getBTCConverter(wcharSet, isLittleEndian());
    }
 

/**
 * Handles setting the connection's code sets if required.
 * Returns true if the CodeSetContext was in the request, false
 * otherwise.
 */
protected boolean processCodeSetContext(
    CorbaMessageMediator request, ServiceContexts contexts)
{
    try {
        if (orb.subcontractDebugFlag) {
            dprint(".processCodeSetContext->: " + opAndId(request));
        }

        ServiceContext sc = contexts.get(
            CodeSetServiceContext.SERVICE_CONTEXT_ID);
        if (sc != null) {
            // Somehow a code set service context showed up in the local case.
            if (request.getConnection() == null) {
                return true;
            }

            // If it's GIOP 1.0, it shouldn't have this context at all.  Our legacy
            // ORBs sent it and we need to know if it's here to make ORB versioning
            // decisions, but we don't use the contents.
            if (request.getGIOPVersion().equals(GIOPVersion.V1_0)) {
                return true;
            }

            CodeSetServiceContext cssc = (CodeSetServiceContext)sc ;
            CodeSetComponentInfo.CodeSetContext csctx = cssc.getCodeSetContext();

            // Note on threading:
            //
            // getCodeSetContext and setCodeSetContext are synchronized
            // on the Connection.  At worst, this will result in
            // multiple threads entering this block and calling
            // setCodeSetContext but not actually changing the
            // values on the Connection.
            //
            // Alternative would be to lock the connection for the
            // whole block, but it's fine either way.

            // The connection's codeSetContext is null until we've received a
            // request with a code set context with the negotiated code sets.
            if (((CorbaConnection)request.getConnection())
                .getCodeSetContext() == null)
            {

                // Use these code sets on this connection
                if (orb.subcontractDebugFlag) {
                    dprint(".processCodeSetContext: " + opAndId(request)
                           + ": Setting code sets to: " + csctx);
                }

                ((CorbaConnection)request.getConnection())
                    .setCodeSetContext(csctx);

                // We had to read the method name using ISO 8859-1
                // (which is the default in the CDRInputStream for
                // char data), but now we may have a new char
                // code set.  If it isn't ISO8859-1, we must tell
                // the CDR stream to null any converter references
                // it has created so that it will reacquire
                // the code sets again using the new info.
                //
                // This should probably compare with the stream's
                // char code set rather than assuming it's ISO8859-1.
                // (However, the operation name is almost certainly
                // ISO8859-1 or ASCII.)
                if (csctx.getCharCodeSet() !=
                    OSFCodeSetRegistry.ISO_8859_1.getNumber()) {
                    ((MarshalInputStream)request.getInputObject())
                        .resetCodeSetConverters();
                }
            }
        }

        // If no code set information is ever sent from the client,
        // the server will use ISO8859-1 for char and throw an
        // exception for any wchar transmissions.
        //
        // In the local case, we use ORB provided streams for
        // marshaling and unmarshaling.  Currently, they use
        // ISO8859-1 for char/string and UTF16 for wchar/wstring.
        return sc != null ;
    } finally {
        if (orb.subcontractDebugFlag) {
            dprint(".processCodeSetContext<-: " + opAndId(request));
        }
    }
}
 

public CodeSetsComponentImpl()
{
    // Uses our default code sets (see CodeSetComponentInfo)
    csci = new CodeSetComponentInfo() ;
}
 

private CodeSetComponentInfo.CodeSetContext getCodeSets() {
    if (getConnection() == null)
        return CodeSetComponentInfo.LOCAL_CODE_SETS;
    else
        return getConnection().getCodeSetContext();
}
 

private CodeSetComponentInfo.CodeSetContext getCodeSets() {
    if (getConnection() == null)
        return CodeSetComponentInfo.LOCAL_CODE_SETS;
    else
        return getConnection().getCodeSetContext();
}
 

/**
 * Get the prefered code sets for connections. Should the client send the code set service context on every
 * request?
 */
public CodeSetComponentInfo getCodeSetComponentInfo()
{
    return codesets;
}
 

private CodeSetComponentInfo.CodeSetContext getCodeSets() {
    if (getConnection() == null)
        return CodeSetComponentInfo.LOCAL_CODE_SETS;
    else
        return getConnection().getCodeSetContext();
}
 

public CodeSetsComponentImpl()
{
    // Uses our default code sets (see CodeSetComponentInfo)
    csci = new CodeSetComponentInfo() ;
}
 

public CodeSetsComponentImpl()
{
    // Uses our default code sets (see CodeSetComponentInfo)
    csci = new CodeSetComponentInfo() ;
}