basemarkupserializer.java

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    public void startPrefixMapping( String prefix, String uri )
        throws SAXException
    {
        if ( _prefixes == null )
            _prefixes = new Hashtable();
        _prefixes.put( uri, prefix == null ? "" : prefix );
    }


    public void endPrefixMapping( String prefix )
        throws SAXException
    {
    }


    //------------------------------------------//
    // SAX DTD/Decl handler serializing methods //
    //------------------------------------------//


    public final void startDTD( String name, String publicId, String systemId )
        throws SAXException
    {
        try {
        _printer.enterDTD();
        _docTypePublicId = publicId;
        _docTypeSystemId = systemId;
        } catch ( IOException except ) {
            throw new SAXException( except );
        }
    }


    public void endDTD()
    {
        // Nothing to do here, all the magic occurs in startDocument(String).
    }


    public void elementDecl( String name, String model )
        throws SAXException
    {
        try {
        _printer.enterDTD();
        _printer.printText( "<!ELEMENT " );
        _printer.printText( name );
        _printer.printText( ' ' );
        _printer.printText( model );
        _printer.printText( '>' );
        if ( _indenting )
            _printer.breakLine();
        } catch ( IOException except ) {
            throw new SAXException( except );
        }
    }


    public void attributeDecl( String eName, String aName, String type,
                               String valueDefault, String value )
        throws SAXException
    {
        try {
        _printer.enterDTD();
        _printer.printText( "<!ATTLIST " );
        _printer.printText( eName );
        _printer.printText( ' ' );
        _printer.printText( aName );
        _printer.printText( ' ' );
        _printer.printText( type );
        if ( valueDefault != null ) {
            _printer.printText( ' ' );
            _printer.printText( valueDefault );
        }
        if ( value != null ) {
            _printer.printText( " \"" );
            printEscaped( value );
            _printer.printText( '"' );
        }
        _printer.printText( '>' );
        if ( _indenting )
            _printer.breakLine();
        } catch ( IOException except ) {
            throw new SAXException( except );
    }
    }


    public void internalEntityDecl( String name, String value )
        throws SAXException
    {
        try {
        _printer.enterDTD();
        _printer.printText( "<!ENTITY " );
        _printer.printText( name );
        _printer.printText( " \"" );
        printEscaped( value );
        _printer.printText( "\">" );
        if ( _indenting )
            _printer.breakLine();
        } catch ( IOException except ) {
            throw new SAXException( except );
        }
    }


    public void externalEntityDecl( String name, String publicId, String systemId )
        throws SAXException
    {
        try {
        _printer.enterDTD();
        unparsedEntityDecl( name, publicId, systemId, null );
        } catch ( IOException except ) {
            throw new SAXException( except );
        }
    }


    public void unparsedEntityDecl( String name, String publicId,
                                    String systemId, String notationName )
        throws SAXException
    {
        try {
        _printer.enterDTD();
        if ( publicId == null ) {
            _printer.printText( "<!ENTITY " );
            _printer.printText( name );
            _printer.printText( " SYSTEM " );
            printDoctypeURL( systemId );
        } else {
            _printer.printText( "<!ENTITY " );
            _printer.printText( name );
            _printer.printText( " PUBLIC " );
            printDoctypeURL( publicId );
            _printer.printText( ' ' );
            printDoctypeURL( systemId );
        }
        if ( notationName != null ) {
            _printer.printText( " NDATA " );
            _printer.printText( notationName );
        }
        _printer.printText( '>' );
        if ( _indenting )
            _printer.breakLine();
        } catch ( IOException except ) {
            throw new SAXException( except );
    }
    }


    public void notationDecl( String name, String publicId, String systemId )
        throws SAXException
    {
        try {
        _printer.enterDTD();
        if ( publicId != null ) {
            _printer.printText( "<!NOTATION " );
            _printer.printText( name );
            _printer.printText( " PUBLIC " );
            printDoctypeURL( publicId );
            if ( systemId != null ) {
                _printer.printText( ' ' );
                printDoctypeURL( systemId );
            }
        } else {
            _printer.printText( "<!NOTATION " );
            _printer.printText( name );
            _printer.printText( " SYSTEM " );
            printDoctypeURL( systemId );
        }
        _printer.printText( '>' );
        if ( _indenting )
            _printer.breakLine();
        } catch ( IOException except ) {
            throw new SAXException( except );
        }
    }


    //------------------------------------------//
    // Generic node serializing methods methods //
    //------------------------------------------//


    /**
     * Serialize the DOM node. This method is shared across XML, HTML and XHTML
     * serializers and the differences are masked out in a separate {@link
     * #serializeElement}.
     *
     * @param node The node to serialize
     * @see #serializeElement
     * @throws IOException An I/O exception occured while
     *   serializing
     */
    protected void serializeNode( Node node )
        throws IOException
    {
        // Based on the node type call the suitable SAX handler.
        // Only comments entities and documents which are not
        // handled by SAX are serialized directly.
        switch ( node.getNodeType() ) {
        case Node.TEXT_NODE : {
            String text;

            text = node.getNodeValue();
            if ( text != null )
                if ( !_indenting || getElementState().preserveSpace
                     || (text.replace('\n',' ').trim().length() != 0))
                    characters( text );
            break;
        }

        case Node.CDATA_SECTION_NODE : {
            String text;

            text = node.getNodeValue();
            if ( text != null ) {
                startCDATA();
                characters( text );
                endCDATA();
            }
            break;
        }

        case Node.COMMENT_NODE : {
            String text;

            if ( ! _format.getOmitComments() ) {
                text = node.getNodeValue();
                if ( text != null )
                    comment( text );
            }
            break;
        }

        case Node.ENTITY_REFERENCE_NODE : {
            Node         child;

            endCDATA();
            content();
            child = node.getFirstChild();
            while ( child != null ) {
                serializeNode( child );
                child = child.getNextSibling();
            }
            break;
        }

        case Node.PROCESSING_INSTRUCTION_NODE :
            processingInstructionIO( node.getNodeName(), node.getNodeValue() );
            break;

        case Node.ELEMENT_NODE :
            serializeElement( (Element) node );
            break;

        case Node.DOCUMENT_NODE : {
            DocumentType      docType;
            DOMImplementation domImpl;
            NamedNodeMap      map;
            Entity            entity;
            Notation          notation;
            int               i;

            // If there is a document type, use the SAX events to
            // serialize it.
            docType = ( (Document) node ).getDoctype();
            if (docType != null) {
                // DOM Level 2 (or higher)
                domImpl = ( (Document) node ).getImplementation();
                try {
                    String internal;

                    _printer.enterDTD();
                    _docTypePublicId = docType.getPublicId();
                    _docTypeSystemId = docType.getSystemId();
                    internal = docType.getInternalSubset();
                    if ( internal != null && internal.length() > 0 )
                        _printer.printText( internal );
                    endDTD();
                }
                // DOM Level 1 -- does implementation have methods?
                catch (NoSuchMethodError nsme) {
                    Class docTypeClass = docType.getClass();

                    String docTypePublicId = null;
                    String docTypeSystemId = null;
                    try {
                        java.lang.reflect.Method getPublicId = docTypeClass.getMethod("getPublicId", null);
                        if (getPublicId.getReturnType().equals(String.class)) {
                            docTypePublicId = (String)getPublicId.invoke(docType, null);
                        }
                    }
                    catch (Exception e) {
                        // ignore
                    }
                    try {
                        java.lang.reflect.Method getSystemId = docTypeClass.getMethod("getSystemId", null);
                        if (getSystemId.getReturnType().equals(String.class)) {
                            docTypeSystemId = (String)getSystemId.invoke(docType, null);
                        }
                    }
                    catch (Exception e) {
                        // ignore
                    }
                    _printer.enterDTD();
                    _docTypePublicId = docTypePublicId;
                    _docTypeSystemId = docTypeSystemId;
                    endDTD();
                }
            }
            // !! Fall through
        }
        case Node.DOCUMENT_FRAGMENT_NODE : {
            Node         child;

            // By definition this will happen if the node is a document,
            // document fragment, etc. Just serialize its contents. It will
            // work well for other nodes that we do not know how to serialize.
            child = node.getFirstChild();
            while ( child != null ) {
                serializeNode( child );
                child = child.getNextSibling();
            }
            break;
        }

        default:
            break;
        }
    }


    /**
     * Must be called by a method about to print any type of content.
     * If the element was just opened, the opening tag is closed and
     * will be matched to a closing tag. Returns the current element
     * state with <tt>empty</tt> and <tt>afterElement</tt> set to false.
     *
     * @return The current element state
     * @throws IOException An I/O exception occured while
     *   serializing
     */
    protected ElementState content()
        throws IOException
    {
        ElementState state;

        state = getElementState();
        if ( ! isDocumentState() ) {
            // Need to close CData section first
            if ( state.inCData && ! state.doCData ) {
                _printer.printText( "]]>" );
                state.inCData = false;
            }
            // If this is the first content in the element,
            // change the state to not-empty and close the
            // opening element tag.
            if ( state.empty ) {
                _printer.printText( '>' );
                state.empty = false;
            }
            // Except for one content type, all of them
            // are not last element. That one content
            // type will take care of itself.
            state.afterElement = false;
            // Except for one content type, all of them
            // are not last comment. That one content
            // type will take care of itself.
            state.afterComment = false;
        }
        return state;
    }


    /**
     * Called to print the text contents in the prevailing element format.
     * Since this method is capable of printing text as CDATA, it is used
     * for that purpose as well. White space handling is determined by the
     * current element state. In addition, the output format can dictate
     * whether the text is printed as CDATA or unescaped.
     *
     * @param text The text to print
     * @throws IOException An I/O exception occured while serializing
     */
    protected void characters( String text )
        throws IOException
    {
        ElementState state;

        state = content();
        // Check if text should be print as CDATA section or unescaped
        // based on elements listed in the output format (the element
        // state) or whether we are inside a CDATA section or entity.

        if ( state.inCData || state.doCData ) {
            StringBuffer buffer;