abstractsaxparser.java

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    public void xmlDecl(String version, String encoding, String standalone, Augmentations augs)
    throws XNIException {
        
        // the version need only be set once; if
        // document's XML 1.0|1.1, that's how it'll stay
        fVersion = version;
        if(standalone != null && standalone.equalsIgnoreCase("yes"))
            isStandalone = true;
        else
            isStandalone = false;
    } // xmlDecl(String,String,String)
    
    /**
     * Notifies of the presence of the DOCTYPE line in the document.
     *
     * @param rootElement The name of the root element.
     * @param publicId    The public identifier if an external DTD or null
     *                    if the external DTD is specified using SYSTEM.
     * @param systemId    The system identifier if an external DTD, null
     *                    otherwise.
     * @param augs     Additional information that may include infoset augmentations
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void doctypeDecl(String rootElement,
    String publicId, String systemId, Augmentations augs)
    throws XNIException {
        fInDTD = true;
        
        try {
            // SAX2 extension
            if (fLexicalHandler != null) {
                fLexicalHandler.startDTD(rootElement, publicId, systemId);
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }
        
        // is there a DeclHandler?
        if(fDeclHandler != null) {
            fDeclaredAttrs = new SymbolHash();
        }
        
    } // doctypeDecl(String,String,String)
    
    /**
     * This method notifies of the start of an entity. The DTD has the
     * pseudo-name of "[dtd]" parameter entity names start with '%'; and
     * general entity names are just the entity name.
     * <p>
     * <strong>Note:</strong> Since the document is an entity, the handler
     * will be notified of the start of the document entity by calling the
     * startEntity method with the entity name "[xml]" <em>before</em> calling
     * the startDocument method. When exposing entity boundaries through the
     * SAX API, the document entity is never reported, however.
     * <p>
     * <strong>Note:</strong> This method is not called for entity references
     * appearing as part of attribute values.
     *
     * @param name     The name of the entity.
     * @param identifier The resource identifier.
     * @param encoding The auto-detected IANA encoding name of the entity
     *                 stream. This value will be null in those situations
     *                 where the entity encoding is not auto-detected (e.g.
     *                 internal parameter entities).
     * @param augs     Additional information that may include infoset augmentations
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void startGeneralEntity(String name, XMLResourceIdentifier identifier,
    String encoding, Augmentations augs)
    throws XNIException {
        
        try {
            // Only report startEntity if this entity was actually read.
            if (augs != null && Boolean.TRUE.equals(augs.getItem(Constants.ENTITY_SKIPPED))) {
                // report skipped entity to content handler
                if (fContentHandler != null) {
                    fContentHandler.skippedEntity(name);
                }
            }
            else {
                // SAX2 extension
                if (fLexicalHandler != null) {
                    fLexicalHandler.startEntity(name);
                }
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }
        
    } // startGeneralEntity(String,String,String,String,String)
    
    /**
     * This method notifies the end of an entity. The DTD has the pseudo-name
     * of "[dtd]" parameter entity names start with '%'; and general entity
     * names are just the entity name.
     * <p>
     * <strong>Note:</strong> Since the document is an entity, the handler
     * will be notified of the end of the document entity by calling the
     * endEntity method with the entity name "[xml]" <em>after</em> calling
     * the endDocument method. When exposing entity boundaries through the
     * SAX API, the document entity is never reported, however.
     * <p>
     * <strong>Note:</strong> This method is not called for entity references
     * appearing as part of attribute values.
     *
     * @param name The name of the entity.
     * @param augs     Additional information that may include infoset augmentations
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void endGeneralEntity(String name, Augmentations augs) throws XNIException {
        
        try {
            // Only report endEntity if this entity was actually read.
            if (augs == null || !Boolean.TRUE.equals(augs.getItem(Constants.ENTITY_SKIPPED))) {
                // SAX2 extension
                if (fLexicalHandler != null) {
                    fLexicalHandler.endEntity(name);
                }
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }
        
    } // endEntity(String)
    
    /**
     * The start of an element. If the document specifies the start element
     * by using an empty tag, then the startElement method will immediately
     * be followed by the endElement method, with no intervening methods.
     *
     * @param element    The name of the element.
     * @param attributes The element attributes.
     * @param augs     Additional information that may include infoset augmentations
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void startElement(QName element, XMLAttributes attributes, Augmentations augs)
    throws XNIException {
        
        try {
            // SAX1
            if (fDocumentHandler != null) {
                // REVISIT: should we support schema-normalized-value for SAX1 events
                //
                fAttributesProxy.setAttributes(attributes);
                fDocumentHandler.startElement(element.rawname, fAttributesProxy);
            }
            
            // SAX2
            if (fContentHandler != null) {
                
                if (fNamespaces) {
                    // send prefix mapping events
                    startNamespaceMapping();
                    
                    // REVISIT: It should not be necessary to iterate over the attribute
                    // list when the set of [namespace attributes] is empty for this
                    // element. This should be computable from the NamespaceContext, but
                    // since we currently don't report the mappings for the xml prefix
                    // we cannot use the declared prefix count for the current context
                    // to skip this section. -- mrglavas
                    int len = attributes.getLength();
                    for (int i = len - 1; i >= 0; --i) {
                        attributes.getName(i, fQName);
                        if ((fQName.prefix == XMLSymbols.PREFIX_XMLNS) ||
                        (fQName.rawname == XMLSymbols.PREFIX_XMLNS)) {
                            if (!fNamespacePrefixes) {
                                // remove namespace declaration attributes
                                attributes.removeAttributeAt(i);
                            }
                            else {
                                // localpart should be empty string as per SAX documentation:
                                // http://www.saxproject.org/?selected=namespaces
                                fQName.prefix = "";
                                fQName.uri = "";
                                fQName.localpart = "";
                                attributes.setName(i, fQName);
                            }
                        }
                    }
                }
                
                fAugmentations = augs;
                
                String uri = element.uri != null ? element.uri : "";
                String localpart = fNamespaces ? element.localpart : "";
                fAttributesProxy.setAttributes(attributes);
                fContentHandler.startElement(uri, localpart, element.rawname,
                fAttributesProxy);
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }
        
    } // startElement(QName,XMLAttributes)
    
    /**
     * Character content.
     *
     * @param text The content.
     * @param augs     Additional information that may include infoset augmentations
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void characters(XMLString text, Augmentations augs) throws XNIException {
        
        // if type is union (XML Schema) it is possible that we receive
        // character call with empty data
        if (text.length == 0) {
            return;
        }
        
        
        try {
            // SAX1
            if (fDocumentHandler != null) {
                // REVISIT: should we support schema-normalized-value for SAX1 events
                //
                fDocumentHandler.characters(text.ch, text.offset, text.length);
            }
            
            // SAX2
            if (fContentHandler != null) {
                fContentHandler.characters(text.ch, text.offset, text.length);
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }
        
    } // characters(XMLString)
    
    /**
     * Ignorable whitespace. For this method to be called, the document
     * source must have some way of determining that the text containing
     * only whitespace characters should be considered ignorable. For
     * example, the validator can determine if a length of whitespace
     * characters in the document are ignorable based on the element
     * content model.
     *
     * @param text The ignorable whitespace.
     * @param augs     Additional information that may include infoset augmentations
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void ignorableWhitespace(XMLString text, Augmentations augs) throws XNIException {
        
        try {
            // SAX1
            if (fDocumentHandler != null) {
                fDocumentHandler.ignorableWhitespace(text.ch, text.offset, text.length);
            }
            
            // SAX2
            if (fContentHandler != null) {
                fContentHandler.ignorableWhitespace(text.ch, text.offset, text.length);
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }
        
    } // ignorableWhitespace(XMLString)
    
    /**
     * The end of an element.
     *
     * @param element The name of the element.
     * @param augs     Additional information that may include infoset augmentations
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void endElement(QName element, Augmentations augs) throws XNIException {
        
        
        try {
            // SAX1
            if (fDocumentHandler != null) {
                fDocumentHandler.endElement(element.rawname);
            }
            
            // SAX2
            if (fContentHandler != null) {
                fAugmentations = augs;
                String uri = element.uri != null ? element.uri : "";
                String localpart = fNamespaces ? element.localpart : "";
                fContentHandler.endElement(uri, localpart,
                element.rawname);
                if (fNamespaces) {
                    endNamespaceMapping();
                }
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }
        
    } // endElement(QName)
    
    /**
     * The start of a CDATA section.
     * @param augs     Additional information that may include infoset augmentations
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void startCDATA(Augmentations augs) throws XNIException {
        
        try {
            // SAX2 extension
            if (fLexicalHandler != null) {
                fLexicalHandler.startCDATA();
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }
        
    } // startCDATA()
    
    /**
     * The end of a CDATA section.
     * @param augs     Additional information that may include infoset augmentations
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void endCDATA(Augmentations augs) throws XNIException {
        
        try {
            // SAX2 extension
            if (fLexicalHandler != null) {
                fLexicalHandler.endCDATA();
            }