xmlschemafactory.java

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        // Clear reference to grammar pool.
        fXMLGrammarPoolWrapper.setGrammarPool(null);
        
        // Select Schema implementation based on grammar count.
        final int grammarCount = pool.getGrammarCount();
        if (grammarCount > 1) {
            return new XMLSchema(new ReadOnlyGrammarPool(pool));
        }
        else if (grammarCount == 1) {
            Grammar[] grammars = pool.retrieveInitialGrammarSet(XMLGrammarDescription.XML_SCHEMA);
            return new SimpleXMLSchema(grammars[0]);
        }
        else {
            return EmptyXMLSchema.getInstance();
        }
    }
    
    public Schema newSchema() throws SAXException {
        // Use a Schema that uses the system id as the equality source.
        return new WeakReferenceXMLSchema();
    }
    
    public boolean getFeature(String name) 
        throws SAXNotRecognizedException, SAXNotSupportedException {
        if (name == null) {
            throw new NullPointerException(JAXPValidationMessageFormatter.formatMessage(Locale.getDefault(), 
                    "FeatureNameNull", null));
        }
        if (name.equals(XMLConstants.FEATURE_SECURE_PROCESSING)) {
            return (fSecurityManager != null);
        }
        try {
            return fXMLSchemaLoader.getFeature(name);
        }
        catch (XMLConfigurationException e) {
            String identifier = e.getIdentifier();
            if (e.getType() == XMLConfigurationException.NOT_RECOGNIZED) {
                throw new SAXNotRecognizedException(
                        SAXMessageFormatter.formatMessage(Locale.getDefault(), 
                        "feature-not-recognized", new Object [] {identifier}));
            }
            else {
                throw new SAXNotSupportedException(
                        SAXMessageFormatter.formatMessage(Locale.getDefault(), 
                        "feature-not-supported", new Object [] {identifier}));
            }
        }
    }
    
    public Object getProperty(String name) 
        throws SAXNotRecognizedException, SAXNotSupportedException {
        if (name == null) {
            throw new NullPointerException(JAXPValidationMessageFormatter.formatMessage(Locale.getDefault(), 
                    "ProperyNameNull", null));
        }
        if (name.equals(SECURITY_MANAGER)) {
            return fSecurityManager;
        }
        else if (name.equals(XMLGRAMMAR_POOL)) {
            throw new SAXNotSupportedException(
                    SAXMessageFormatter.formatMessage(Locale.getDefault(), 
                    "property-not-supported", new Object [] {name}));
        }
        try {
            return fXMLSchemaLoader.getProperty(name);
        }
        catch (XMLConfigurationException e) {
            String identifier = e.getIdentifier();
            if (e.getType() == XMLConfigurationException.NOT_RECOGNIZED) {
                throw new SAXNotRecognizedException(
                        SAXMessageFormatter.formatMessage(Locale.getDefault(), 
                        "property-not-recognized", new Object [] {identifier}));
            }
            else {
                throw new SAXNotSupportedException(
                        SAXMessageFormatter.formatMessage(Locale.getDefault(), 
                        "property-not-supported", new Object [] {identifier}));
            }
        }
    }
    
    public void setFeature(String name, boolean value)
        throws SAXNotRecognizedException, SAXNotSupportedException {
        if (name == null) {
            throw new NullPointerException(JAXPValidationMessageFormatter.formatMessage(Locale.getDefault(), 
                    "FeatureNameNull", null));
        }
        if (name.equals(XMLConstants.FEATURE_SECURE_PROCESSING)) {
            fSecurityManager = value ? new SecurityManager() : null;
            fXMLSchemaLoader.setProperty(SECURITY_MANAGER, fSecurityManager);
            return;
        }
        try {
            fXMLSchemaLoader.setFeature(name, value);
        }
        catch (XMLConfigurationException e) {
            String identifier = e.getIdentifier();
            if (e.getType() == XMLConfigurationException.NOT_RECOGNIZED) {
                throw new SAXNotRecognizedException(
                        SAXMessageFormatter.formatMessage(Locale.getDefault(), 
                        "feature-not-recognized", new Object [] {identifier}));
            }
            else {
                throw new SAXNotSupportedException(
                        SAXMessageFormatter.formatMessage(Locale.getDefault(), 
                        "feature-not-supported", new Object [] {identifier}));
            }
        }
    }
    
    public void setProperty(String name, Object object)
        throws SAXNotRecognizedException, SAXNotSupportedException {
        if (name == null) {
            throw new NullPointerException(JAXPValidationMessageFormatter.formatMessage(Locale.getDefault(), 
                    "ProperyNameNull", null));
        }
        if (name.equals(SECURITY_MANAGER)) {
            fSecurityManager = (SecurityManager) object;
            fXMLSchemaLoader.setProperty(SECURITY_MANAGER, fSecurityManager);
            return;
        }
        else if (name.equals(XMLGRAMMAR_POOL)) {
            throw new SAXNotSupportedException(
                    SAXMessageFormatter.formatMessage(Locale.getDefault(), 
                    "property-not-supported", new Object [] {name}));
        }
        try {
            fXMLSchemaLoader.setProperty(name, object);
        }
        catch (XMLConfigurationException e) {
            String identifier = e.getIdentifier();
            if (e.getType() == XMLConfigurationException.NOT_RECOGNIZED) {
                throw new SAXNotRecognizedException(
                        SAXMessageFormatter.formatMessage(Locale.getDefault(), 
                        "property-not-recognized", new Object [] {identifier}));
            }
            else {
                throw new SAXNotSupportedException(
                        SAXMessageFormatter.formatMessage(Locale.getDefault(), 
                        "property-not-supported", new Object [] {identifier}));
            }
        }
    }
    
    /** 
     * Extension of XMLGrammarPoolImpl which exposes the number of
     * grammars stored in the grammar pool.
     */
    static class XMLGrammarPoolImplExtension extends XMLGrammarPoolImpl {
        
        /** Constructs a grammar pool with a default number of buckets. */
        public XMLGrammarPoolImplExtension() {
            super();
        }

        /** Constructs a grammar pool with a specified number of buckets. */
        public XMLGrammarPoolImplExtension(int initialCapacity) {
            super(initialCapacity);
        }
        
        /** Returns the number of grammars contained in this pool. */
        int getGrammarCount() {
            return fGrammarCount;
        }
        
    } // XMLSchemaFactory.XMLGrammarPoolImplExtension
    
    /**
     * A grammar pool which wraps another.
     */
    static class XMLGrammarPoolWrapper implements XMLGrammarPool {

        private XMLGrammarPool fGrammarPool;
        
        /*
         * XMLGrammarPool methods
         */
        
        public Grammar[] retrieveInitialGrammarSet(String grammarType) {
            return fGrammarPool.retrieveInitialGrammarSet(grammarType);
        }

        public void cacheGrammars(String grammarType, Grammar[] grammars) {
            fGrammarPool.cacheGrammars(grammarType, grammars);
        }

        public Grammar retrieveGrammar(XMLGrammarDescription desc) {
            return fGrammarPool.retrieveGrammar(desc);
        }

        public void lockPool() {
            fGrammarPool.lockPool();
        }

        public void unlockPool() {
            fGrammarPool.unlockPool();
        }

        public void clear() {
            fGrammarPool.clear();
        }
        
        /*
         * Other methods
         */
        
        void setGrammarPool(XMLGrammarPool grammarPool) {
            fGrammarPool = grammarPool;
        }
        
        XMLGrammarPool getGrammarPool() {
            return fGrammarPool;
        }
        
    } // XMLSchemaFactory.XMLGrammarPoolWrapper
    
} // XMLSchemaFactory