Package org.apache.directory.shared.asn1.ber.tlv

Examples of org.apache.directory.shared.asn1.ber.tlv.TLV


    public void action( LdapMessageContainer<SearchRequestDecorator> container ) throws DecoderException
    {
        SearchRequestDecorator searchRequest = container.getMessage();

        TLV tlv = container.getCurrentTLV();

        // Store the value.
        ExtensibleMatchFilter extensibleMatchFilter = ( ExtensibleMatchFilter ) searchRequest.getTerminalFilter();

        // We get the value. If it's a 0, it's a FALSE. If it's
        // a FF, it's a TRUE. Any other value should be an error,
        // but we could relax this constraint. So if we have
        // something
        // which is not 0, it will be interpreted as TRUE, but we
        // will generate a warning.
        Value value = tlv.getValue();

        try
        {
            extensibleMatchFilter.setDnAttributes( BooleanDecoder.parse( value ) );
        }
View Full Code Here


    public void unstackFilters( Asn1Container container )
    {
        LdapMessageContainer<MessageDecorator<Message>> ldapMessageContainer =
            ( LdapMessageContainer<MessageDecorator<Message>> ) container;

        TLV tlv = ldapMessageContainer.getCurrentTLV();
        TLV localParent = tlv.getParent();
        Filter localFilter = terminalFilter;

        // The parent has been completed, so fold it
        while ( ( localParent != null ) && ( localParent.getExpectedLength() == 0 ) )
        {
            int parentTlvId = localFilter.getParent() != null ? localFilter.getParent().getTlvId() : localFilter
                .getParentTlvId();

            if ( localParent.getId() != parentTlvId )
            {
                localParent = localParent.getParent();
            }
            else
            {
                Filter filterParent = localFilter.getParent();

                // We have a special case with PresentFilter, which has not been
                // pushed on the stack, so we need to get its parent's parent
                if ( localFilter instanceof PresentFilter )
                {
                    if ( filterParent == null )
                    {
                        // We don't have parent, get out
                        break;
                    }

                    filterParent = filterParent.getParent();
                }
                else if ( filterParent instanceof Filter )
                {
                    filterParent = filterParent.getParent();
                }

                if ( filterParent instanceof Filter )
                {
                    // The parent is a filter ; it will become the new currentFilter
                    // and we will loop again.
                    currentFilter = ( Filter ) filterParent;
                    localFilter = currentFilter;
                    localParent = localParent.getParent();
                }
                else
                {
                    // We can stop the recursion, we have reached the searchResult Object
                    break;
View Full Code Here

                SubentriesStates.SUB_ENTRY_VISIBILITY_STATE, UniversalTag.BOOLEAN.getValue(),
                new GrammarAction<SubentriesContainer>( "SubEntryControl visibility" )
                {
                    public void action( SubentriesContainer container ) throws DecoderException
                    {
                        TLV tlv = container.getCurrentTLV();

                        // We get the value. If it's a 0, it's a FALSE. If it's
                        // a FF, it's a TRUE. Any other value should be an error,
                        // but we could relax this constraint. So if we have
                        // something
                        // which is not 0, it will be interpreted as TRUE, but we
                        // will generate a warning.
                        Value value = tlv.getValue();

                        try
                        {
                            container.getSubentriesControl().setVisibility( BooleanDecoder.parse( value ) );
View Full Code Here

    {
        if ( stream.hasRemaining() )
        {
            byte octet = stream.get();

            TLV tlv = new TLV( container.getNewTlvId() );
            tlv.setTag( octet );

            // Store the current TLV in the container.
            container.setCurrentTLV( tlv );

            // Create a link between the current TLV with its parent
            tlv.setParent( container.getParentTLV() );

            // Switch to the next state, which is the Length decoding
            container.setState( TLVStateEnum.LENGTH_STATE_START );

            if ( IS_DEBUG )
View Full Code Here

     * @param container The container
     */
    private void dumpTLVTree( Asn1Container container )
    {
        StringBuffer sb = new StringBuffer();
        TLV current = container.getCurrentTLV();

        sb.append( "TLV" ).append( Asn1StringUtils.dumpByte( current.getTag() ) ).append( "(" ).append(
            current.getExpectedLength() ).append( ")" );

        current = current.getParent();

        while ( current != null )
        {
            sb.append( "-TLV" ).append( Asn1StringUtils.dumpByte( current.getTag() ) ).append( "(" ).append(
                current.getExpectedLength() ).append( ")" );
            current = current.getParent();
        }

        if ( IS_DEBUG )
        {
            LOG.debug( "TLV Tree : {}", sb.toString() );
View Full Code Here

            container.getLdapCodecService(), internalAbandonRequest );
        container.setMessage( abandonRequest );

        // The current TLV should be a integer
        // We get it and store it in MessageId
        TLV tlv = container.getCurrentTLV();

        Value value = tlv.getValue();

        if ( ( value == null ) || ( value.getData() == null ) )
        {
            String msg = I18n.err( I18n.ERR_04075 );
            LOG.error( msg );
View Full Code Here

     * @param container The container
     * @return <code>true</code> if the TLV has been decoded
     */
    private boolean isTLVDecoded( Asn1Container container )
    {
        TLV current = container.getCurrentTLV();
        TLV parent = current.getParent();

        while ( parent != null )
        {
            if ( parent.getExpectedLength() != 0 )
            {
                return false;
            }

            parent = parent.getParent();
        }

        Value value = current.getValue();

        if ( ( value != null ) && ( value.getData() != null ) )
View Full Code Here

     */
    public void action( LdapMessageContainer<MessageDecorator<? extends Message>> container ) throws DecoderException
    {
        // The current TLV should be a integer
        // We get it and store it in MessageId
        TLV tlv = container.getCurrentTLV();

        // The Length should not be null
        if ( tlv.getLength() == 0 )
        {
            LOG.error( I18n.err( I18n.ERR_04068 ) );

            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( I18n.err( I18n.ERR_04069 ) );
        }

        Value value = tlv.getValue();

        try
        {
            int messageId = IntegerDecoder.parse( value, 0, Integer.MAX_VALUE );

View Full Code Here

    private boolean treatLengthStartState( ByteBuffer stream, Asn1Container container ) throws DecoderException
    {
        if ( stream.hasRemaining() )
        {
            byte octet = stream.get();
            TLV tlv = container.getCurrentTLV();

            if ( ( octet & TLV.LENGTH_LONG_FORM ) == 0 )
            {
                // We don't have a long form. The Length of the Value part is
                // given by this byte.
                tlv.setLength( octet );
                tlv.setLengthNbBytes( 1 );

                container.setState( TLVStateEnum.LENGTH_STATE_END );
            }
            else if ( ( octet & TLV.LENGTH_EXTENSION_RESERVED ) != TLV.LENGTH_EXTENSION_RESERVED )
            {
                int expectedLength = octet & TLV.LENGTH_SHORT_MASK;

                if ( expectedLength > 4 )
                {
                    String msg = I18n.err( I18n.ERR_00005_LENGTH_OVERFLOW );
                    LOG.error( msg );
                    throw new DecoderException( msg );
                }

                tlv.setLength( 0 );
                tlv.setLengthNbBytes( 1 + expectedLength );
                tlv.setLengthBytesRead( 1 );
                container.setState( TLVStateEnum.LENGTH_STATE_PENDING );
            }
            else
            {
                String msg = I18n.err( I18n.ERR_00006_LENGTH_EXTENSION_RESERVED );
View Full Code Here

     */
    private boolean treatLengthPendingState( ByteBuffer stream, Asn1Container container )
    {
        if ( stream.hasRemaining() )
        {
            TLV tlv = container.getCurrentTLV();
            int length = tlv.getLength();

            while ( tlv.getLengthBytesRead() < tlv.getLengthNbBytes() )
            {
                byte octet = stream.get();

                if ( IS_DEBUG )
                {
                    LOG.debug( "  current byte : {}", Asn1StringUtils.dumpByte( octet ) );
                }

                tlv.incLengthBytesRead();
                length = ( length << 8 ) | ( octet & 0x00FF );

                if ( !stream.hasRemaining() )
                {
                    tlv.setLength( length );

                    if ( tlv.getLengthBytesRead() < tlv.getLengthNbBytes() )
                    {
                        container.setState( TLVStateEnum.LENGTH_STATE_PENDING );
                        return END;
                    }
                    else
                    {
                        container.setState( TLVStateEnum.LENGTH_STATE_END );
                        return MORE;
                    }
                }
            }

            tlv.setLength( length );
            container.setState( TLVStateEnum.LENGTH_STATE_END );

            return MORE;
        }
        else
View Full Code Here

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