xml11dtdconfiguration.java

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        if (fDTDContentModelHandler != null) {
            fDTDContentModelHandler.setDTDContentModelSource(fDTDProcessor);
        }

        // setup document pipeline
        if (fFeatures.get(NAMESPACES) == Boolean.TRUE) {
            if (fCurrentScanner != fNamespaceScanner) {
                fCurrentScanner = fNamespaceScanner;
                setProperty(DOCUMENT_SCANNER, fNamespaceScanner);
                setProperty(DTD_VALIDATOR, fDTDValidator);
            }
            fNamespaceScanner.setDTDValidator(fDTDValidator);
            fNamespaceScanner.setDocumentHandler(fDTDValidator);
            fDTDValidator.setDocumentSource(fNamespaceScanner);
            fDTDValidator.setDocumentHandler(fDocumentHandler);
            if (fDocumentHandler != null) {
                fDocumentHandler.setDocumentSource(fDTDValidator);
            }
            fLastComponent = fDTDValidator;
        } else {
            // create components
            if (fNonNSScanner == null) {
                fNonNSScanner = new XMLDocumentScannerImpl();
                fNonNSDTDValidator = new XMLDTDValidator();
                // add components
                addComponent((XMLComponent) fNonNSScanner);
                addComponent((XMLComponent) fNonNSDTDValidator);
            }
            if (fCurrentScanner != fNonNSScanner) {
                fCurrentScanner = fNonNSScanner;
                setProperty(DOCUMENT_SCANNER, fNonNSScanner);
                setProperty(DTD_VALIDATOR, fNonNSDTDValidator);
            }

            fNonNSScanner.setDocumentHandler(fNonNSDTDValidator);
            fNonNSDTDValidator.setDocumentSource(fNonNSScanner);
            fNonNSDTDValidator.setDocumentHandler(fDocumentHandler);
            if (fDocumentHandler != null) {
                fDocumentHandler.setDocumentSource(fNonNSDTDValidator);
            }
            fLastComponent = fNonNSDTDValidator;
        }

    } // configurePipeline()


    // features and properties

    /**
     * Check a feature. If feature is know and supported, this method simply
     * returns. Otherwise, the appropriate exception is thrown.
     *
     * @param featureId The unique identifier (URI) of the feature.
     *
     * @throws XMLConfigurationException Thrown for configuration error.
     *                                   In general, components should
     *                                   only throw this exception if
     *                                   it is <strong>really</strong>
     *                                   a critical error.
     */
    protected void checkFeature(String featureId) throws XMLConfigurationException {

        //
        // Xerces Features
        //

        if (featureId.startsWith(Constants.XERCES_FEATURE_PREFIX)) {
            final int suffixLength = featureId.length() - Constants.XERCES_FEATURE_PREFIX.length();
            
            //
            // http://apache.org/xml/features/validation/dynamic
            //   Allows the parser to validate a document only when it
            //   contains a grammar. Validation is turned on/off based
            //   on each document instance, automatically.
            //
            if (suffixLength == Constants.DYNAMIC_VALIDATION_FEATURE.length() && 
                featureId.endsWith(Constants.DYNAMIC_VALIDATION_FEATURE)) {
                return;
            }

            //
            // http://apache.org/xml/features/validation/default-attribute-values
            //
            if (suffixLength == Constants.DEFAULT_ATTRIBUTE_VALUES_FEATURE.length() &&
                featureId.endsWith(Constants.DEFAULT_ATTRIBUTE_VALUES_FEATURE)) {
                // REVISIT
                short type = XMLConfigurationException.NOT_SUPPORTED;
                throw new XMLConfigurationException(type, featureId);
            }
            //
            // http://apache.org/xml/features/validation/default-attribute-values
            //
            if (suffixLength == Constants.VALIDATE_CONTENT_MODELS_FEATURE.length() && 
                featureId.endsWith(Constants.VALIDATE_CONTENT_MODELS_FEATURE)) {
                // REVISIT
                short type = XMLConfigurationException.NOT_SUPPORTED;
                throw new XMLConfigurationException(type, featureId);
            }
            //
            // http://apache.org/xml/features/validation/nonvalidating/load-dtd-grammar
            //
            if (suffixLength == Constants.LOAD_DTD_GRAMMAR_FEATURE.length() && 
                featureId.endsWith(Constants.LOAD_DTD_GRAMMAR_FEATURE)) {
                return;
            }
            //
            // http://apache.org/xml/features/validation/nonvalidating/load-external-dtd
            //
            if (suffixLength == Constants.LOAD_EXTERNAL_DTD_FEATURE.length() && 
                featureId.endsWith(Constants.LOAD_EXTERNAL_DTD_FEATURE)) {
                return;
            }

            //
            // http://apache.org/xml/features/validation/default-attribute-values
            //
            if (suffixLength == Constants.VALIDATE_DATATYPES_FEATURE.length() && 
                featureId.endsWith(Constants.VALIDATE_DATATYPES_FEATURE)) {
                short type = XMLConfigurationException.NOT_SUPPORTED;
                throw new XMLConfigurationException(type, featureId);
            }
            			 
            // special performance feature: only component manager is allowed to set it.			 
            if (suffixLength == Constants.PARSER_SETTINGS.length() && 
                featureId.endsWith(Constants.PARSER_SETTINGS)) {
                short type = XMLConfigurationException.NOT_SUPPORTED;
                throw new XMLConfigurationException(type, featureId);
            }
        }

        //
        // Not recognized
        //

        super.checkFeature(featureId);

    } // checkFeature(String)

    /**
     * Check a property. If the property is know and supported, this method
     * simply returns. Otherwise, the appropriate exception is thrown.
     *
     * @param propertyId The unique identifier (URI) of the property
     *                   being set.
     *
     * @throws XMLConfigurationException Thrown for configuration error.
     *                                   In general, components should
     *                                   only throw this exception if
     *                                   it is <strong>really</strong>
     *                                   a critical error.
     */
    protected void checkProperty(String propertyId) throws XMLConfigurationException {

        //
        // Xerces Properties
        //

        if (propertyId.startsWith(Constants.XERCES_PROPERTY_PREFIX)) {
            final int suffixLength = propertyId.length() - Constants.XERCES_PROPERTY_PREFIX.length();

            if (suffixLength == Constants.DTD_SCANNER_PROPERTY.length() && 
                propertyId.endsWith(Constants.DTD_SCANNER_PROPERTY)) {
                return;
            }
        }
        
        // special cases
        if (propertyId.startsWith(Constants.SAX_PROPERTY_PREFIX)) {
            final int suffixLength = propertyId.length() - Constants.SAX_PROPERTY_PREFIX.length();
			
            //
            // http://xml.org/sax/properties/xml-string
            // Value type: String
            // Access: read-only
            //   Get the literal string of characters associated with the
            //   current event.  If the parser recognises and supports this
            //   property but is not currently parsing text, it should return
            //   null (this is a good way to check for availability before the
            //   parse begins).
            //
            if (suffixLength == Constants.XML_STRING_PROPERTY.length() && 
                propertyId.endsWith(Constants.XML_STRING_PROPERTY)) {
                // REVISIT - we should probably ask xml-dev for a precise
                // definition of what this is actually supposed to return, and
                // in exactly which circumstances.
                short type = XMLConfigurationException.NOT_SUPPORTED;
                throw new XMLConfigurationException(type, propertyId);
            }
        }

        //
        // Not recognized
        //

        super.checkProperty(propertyId);

    } // checkProperty(String)


    /** 
     * Adds a component to the parser configuration. This method will
     * also add all of the component's recognized features and properties
     * to the list of default recognized features and properties.
     *
     * @param component The component to add.
     */
    protected void addComponent(XMLComponent component) {

        // don't add a component more than once
        if (fComponents.contains(component)) {
            return;
        }
        fComponents.add(component);
        addRecognizedParamsAndSetDefaults(component);
	
    } // addComponent(XMLComponent)
    
    /** 
     * Adds common component to the parser configuration. This method will
     * also add all of the component's recognized features and properties
     * to the list of default recognized features and properties.
     *
     * @param component The component to add.
     */
    protected void addCommonComponent(XMLComponent component) {

        // don't add a component more than once
        if (fCommonComponents.contains(component)) {
            return;
        }
        fCommonComponents.add(component);
        addRecognizedParamsAndSetDefaults(component);

    } // addCommonComponent(XMLComponent)
	
    /** 
     * Adds an XML 1.1 component to the parser configuration. This method will
     * also add all of the component's recognized features and properties
     * to the list of default recognized features and properties.
     *
     * @param component The component to add.
     */
    protected void addXML11Component(XMLComponent component) {

        // don't add a component more than once
        if (fXML11Components.contains(component)) {
            return;
        }
        fXML11Components.add(component);
        addRecognizedParamsAndSetDefaults(component);
        
    } // addXML11Component(XMLComponent)
    
    /**
     * Adds all of the component's recognized features and properties
     * to the list of default recognized features and properties, and
     * sets default values on the configuration for features and
     * properties which were previously absent from the configuration.
     *
     * @param component The component whose recognized features
     * and properties will be added to the configuration
     */
    protected void addRecognizedParamsAndSetDefaults(XMLComponent component) {
        
        // register component's recognized features
        String[] recognizedFeatures = component.getRecognizedFeatures();
        addRecognizedFeatures(recognizedFeatures);
        
        // register component's recognized properties
        String[] recognizedProperties = component.getRecognizedProperties();
        addRecognizedProperties(recognizedProperties);

        // set default values
        if (recognizedFeatures != null) {
            for (int i = 0; i < recognizedFeatures.length; ++i) {
                String featureId = recognizedFeatures[i];
                Boolean state = component.getFeatureDefault(featureId);
                if (state != null) {
                    // Do not overwrite values already set on the configuration.
                    if (!fFeatures.containsKey(featureId)) {
                        fFeatures.put(featureId, state);
                        // For newly added components who recognize this feature
                        // but did not offer a default value, we need to make
                        // sure these components will get an opportunity to read
                        // the value before parsing begins.
                        fConfigUpdated = true;
                    }
                }
            }
        }
        if (recognizedProperties != null) {
            for (int i = 0; i < recognizedProperties.length; ++i) {
                String propertyId = recognizedProperties[i];
                Object value = component.getPropertyDefault(propertyId);
                if (value != null) {
                    // Do not overwrite values already set on the configuration.
                    if (!fProperties.containsKey(propertyId)) {
                        fProperties.put(propertyId, value);
                        // For newly added components who recognize this property
                        // but did not offer a default value, we need to make
                        // sure these components will get an opportunity to read
                        // the value before parsing begins.
                        fConfigUpdated = true;
                    }
                }
            }
        }
    } 

    private void initXML11Components() {
        if (!f11Initialized) {

            // create datatype factory
            fXML11DatatypeFactory = DTDDVFactory.getInstance(XML11_DATATYPE_VALIDATOR_FACTORY);

            // setup XML 1.1 DTD pipeline
            fXML11DTDScanner = new XML11DTDScannerImpl();
            addXML11Component(fXML11DTDScanner);
            fXML11DTDProcessor = new XML11DTDProcessor();
            addXML11Component(fXML11DTDProcessor);

            // setup XML 1.1. document pipeline - namespace aware
            fXML11NSDocScanner = new XML11NSDocumentScannerImpl();
            addXML11Component(fXML11NSDocScanner);
            fXML11NSDTDValidator = new XML11NSDTDValidator();
            addXML11Component(fXML11NSDTDValidator);
				
            f11Initialized = true;
        }
    }

} // class XML11DTDConfiguration