Package com.sun.org.apache.xerces.internal.parsers

Source Code of com.sun.org.apache.xerces.internal.parsers.NonValidatingConfiguration

/*
* Copyright (c) 2012-2013, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package com.sun.org.apache.xerces.internal.parsers;

import java.io.IOException;
import java.util.Locale;

import com.sun.org.apache.xerces.internal.impl.Constants;
import com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl;
import com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl;
import com.sun.org.apache.xerces.internal.impl.XMLEntityManager;
import com.sun.org.apache.xerces.internal.impl.XMLErrorReporter;
import com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl;
import com.sun.org.apache.xerces.internal.impl.dv.DTDDVFactory;
import com.sun.org.apache.xerces.internal.impl.msg.XMLMessageFormatter;
import com.sun.org.apache.xerces.internal.impl.validation.ValidationManager;
import com.sun.org.apache.xerces.internal.util.FeatureState;
import com.sun.org.apache.xerces.internal.util.PropertyState;
import com.sun.org.apache.xerces.internal.util.Status;
import com.sun.org.apache.xerces.internal.util.SymbolTable;
import com.sun.org.apache.xerces.internal.utils.XMLSecurityPropertyManager;
import com.sun.org.apache.xerces.internal.xni.XMLLocator;
import com.sun.org.apache.xerces.internal.xni.XNIException;
import com.sun.org.apache.xerces.internal.xni.grammars.XMLGrammarPool;
import com.sun.org.apache.xerces.internal.xni.parser.XMLComponent;
import com.sun.org.apache.xerces.internal.xni.parser.XMLComponentManager;
import com.sun.org.apache.xerces.internal.xni.parser.XMLConfigurationException;
import com.sun.org.apache.xerces.internal.xni.parser.XMLDTDScanner;
import com.sun.org.apache.xerces.internal.xni.parser.XMLDocumentScanner;
import com.sun.org.apache.xerces.internal.xni.parser.XMLInputSource;
import com.sun.org.apache.xerces.internal.xni.parser.XMLPullParserConfiguration;

/**
* This is the non validating parser configuration. It extends the basic
* configuration with the set of following parser components:
* Document scanner, DTD scanner, namespace binder, document handler.
* <p>
* Xerces parser that uses this configuration is <strong>not</strong> <a href="http://www.w3.org/TR/REC-xml#sec-conformance">conformant</a>
* non-validating XML processor, since conformant non-validating processor is required
* to process "all the declarations they read in the internal DTD subset ... must use the information in those declarations to normalize attribute values,
* include the replacement text of internal entities, and supply default attribute values".
*
* @author Elena Litani, IBM
* @version $Id: NonValidatingConfiguration.java,v 1.7 2010-11-01 04:40:09 joehw Exp $
*/
public class NonValidatingConfiguration
    extends BasicParserConfiguration
    implements XMLPullParserConfiguration {

    //
    // Constants
    //

    // feature identifiers

    /** Feature identifier: warn on duplicate attribute definition. */
    protected static final String WARN_ON_DUPLICATE_ATTDEF =
        Constants.XERCES_FEATURE_PREFIX + Constants.WARN_ON_DUPLICATE_ATTDEF_FEATURE;

    /** Feature identifier: warn on duplicate entity definition. */
    protected static final String WARN_ON_DUPLICATE_ENTITYDEF =
        Constants.XERCES_FEATURE_PREFIX + Constants.WARN_ON_DUPLICATE_ENTITYDEF_FEATURE;

    /** Feature identifier: warn on undeclared element definition. */
    protected static final String WARN_ON_UNDECLARED_ELEMDEF =
        Constants.XERCES_FEATURE_PREFIX + Constants.WARN_ON_UNDECLARED_ELEMDEF_FEATURE;

    /** Feature identifier: allow Java encodings. */
    protected static final String ALLOW_JAVA_ENCODINGS =
        Constants.XERCES_FEATURE_PREFIX + Constants.ALLOW_JAVA_ENCODINGS_FEATURE;

    /** Feature identifier: continue after fatal error. */
    protected static final String CONTINUE_AFTER_FATAL_ERROR =
        Constants.XERCES_FEATURE_PREFIX + Constants.CONTINUE_AFTER_FATAL_ERROR_FEATURE;

    /** Feature identifier: load external DTD. */
    protected static final String LOAD_EXTERNAL_DTD =
        Constants.XERCES_FEATURE_PREFIX + Constants.LOAD_EXTERNAL_DTD_FEATURE;

    /** Feature identifier: notify built-in refereces. */
    protected static final String NOTIFY_BUILTIN_REFS =
        Constants.XERCES_FEATURE_PREFIX + Constants.NOTIFY_BUILTIN_REFS_FEATURE;

    /** Feature identifier: notify character refereces. */
    protected static final String NOTIFY_CHAR_REFS =
        Constants.XERCES_FEATURE_PREFIX + Constants.NOTIFY_CHAR_REFS_FEATURE;


    /** Feature identifier: expose schema normalized value */
    protected static final String NORMALIZE_DATA =
    Constants.XERCES_FEATURE_PREFIX + Constants.SCHEMA_NORMALIZED_VALUE;


    /** Feature identifier: send element default value via characters() */
    protected static final String SCHEMA_ELEMENT_DEFAULT =
    Constants.XERCES_FEATURE_PREFIX + Constants.SCHEMA_ELEMENT_DEFAULT;

    // property identifiers

    /** Property identifier: error reporter. */
    protected static final String ERROR_REPORTER =
        Constants.XERCES_PROPERTY_PREFIX + Constants.ERROR_REPORTER_PROPERTY;

    /** Property identifier: entity manager. */
    protected static final String ENTITY_MANAGER =
        Constants.XERCES_PROPERTY_PREFIX + Constants.ENTITY_MANAGER_PROPERTY;

    /** Property identifier document scanner: */
    protected static final String DOCUMENT_SCANNER =
        Constants.XERCES_PROPERTY_PREFIX + Constants.DOCUMENT_SCANNER_PROPERTY;

    /** Property identifier: DTD scanner. */
    protected static final String DTD_SCANNER =
        Constants.XERCES_PROPERTY_PREFIX + Constants.DTD_SCANNER_PROPERTY;

    /** Property identifier: grammar pool. */
    protected static final String XMLGRAMMAR_POOL =
        Constants.XERCES_PROPERTY_PREFIX + Constants.XMLGRAMMAR_POOL_PROPERTY;

    /** Property identifier: DTD validator. */
    protected static final String DTD_VALIDATOR =
        Constants.XERCES_PROPERTY_PREFIX + Constants.DTD_VALIDATOR_PROPERTY;

    /** Property identifier: namespace binder. */
    protected static final String NAMESPACE_BINDER =
        Constants.XERCES_PROPERTY_PREFIX + Constants.NAMESPACE_BINDER_PROPERTY;

    /** Property identifier: datatype validator factory. */
    protected static final String DATATYPE_VALIDATOR_FACTORY =
        Constants.XERCES_PROPERTY_PREFIX + Constants.DATATYPE_VALIDATOR_FACTORY_PROPERTY;

    protected static final String VALIDATION_MANAGER =
        Constants.XERCES_PROPERTY_PREFIX + Constants.VALIDATION_MANAGER_PROPERTY;

    /** Property identifier: XML Schema validator. */
    protected static final String SCHEMA_VALIDATOR =
        Constants.XERCES_PROPERTY_PREFIX + Constants.SCHEMA_VALIDATOR_PROPERTY;

    /** Property identifier: locale. */
    protected static final String LOCALE =
        Constants.XERCES_PROPERTY_PREFIX + Constants.LOCALE_PROPERTY;

      /** Property identifier: Security property manager. */
      protected static final String XML_SECURITY_PROPERTY_MANAGER =
              Constants.XML_SECURITY_PROPERTY_MANAGER;

     /** Property identifier: Security manager. */
     private static final String SECURITY_MANAGER = Constants.SECURITY_MANAGER;

    // debugging

    /** Set to true and recompile to print exception stack trace. */
    private static final boolean PRINT_EXCEPTION_STACK_TRACE = false;

    //
    // Data
    //

    // components (non-configurable)

    /** Grammar pool. */
    protected XMLGrammarPool fGrammarPool;

    /** Datatype validator factory. */
    protected DTDDVFactory fDatatypeValidatorFactory;

    // components (configurable)

    /** Error reporter. */
    protected XMLErrorReporter fErrorReporter;

    /** Entity manager. */
    protected XMLEntityManager fEntityManager;

    /** Document scanner. */
    protected XMLDocumentScanner fScanner;

    /** Input Source */
    protected XMLInputSource fInputSource;

    /** DTD scanner. */
    protected XMLDTDScanner fDTDScanner;


    protected ValidationManager fValidationManager;

    // private data

    /** Document scanner that does namespace binding. */
    private XMLNSDocumentScannerImpl fNamespaceScanner;

    /** Default Xerces implementation of scanner*/
    private XMLDocumentScannerImpl fNonNSScanner;


        /** fConfigUpdated is set to true if there has been any change to the configuration settings,
         * i.e a feature or a property was changed.
         */
        protected boolean fConfigUpdated = false;


    // state

    /** Locator */
    protected XMLLocator fLocator;

    /**
     * True if a parse is in progress. This state is needed because
     * some features/properties cannot be set while parsing (e.g.
     * validation and namespaces).
     */
    protected boolean fParseInProgress = false;

    //
    // Constructors
    //

    /** Default constructor. */
    public NonValidatingConfiguration() {
        this(null, null, null);
    } // <init>()

    /**
     * Constructs a parser configuration using the specified symbol table.
     *
     * @param symbolTable The symbol table to use.
     */
    public NonValidatingConfiguration(SymbolTable symbolTable) {
        this(symbolTable, null, null);
    } // <init>(SymbolTable)

    /**
     * Constructs a parser configuration using the specified symbol table and
     * grammar pool.
     * <p>
     * <strong>REVISIT:</strong>
     * Grammar pool will be updated when the new validation engine is
     * implemented.
     *
     * @param symbolTable The symbol table to use.
     * @param grammarPool The grammar pool to use.
     */
    public NonValidatingConfiguration(SymbolTable symbolTable,
                                       XMLGrammarPool grammarPool) {
        this(symbolTable, grammarPool, null);
    } // <init>(SymbolTable,XMLGrammarPool)

    /**
     * Constructs a parser configuration using the specified symbol table,
     * grammar pool, and parent settings.
     * <p>
     * <strong>REVISIT:</strong>
     * Grammar pool will be updated when the new validation engine is
     * implemented.
     *
     * @param symbolTable    The symbol table to use.
     * @param grammarPool    The grammar pool to use.
     * @param parentSettings The parent settings.
     */
    public NonValidatingConfiguration(SymbolTable symbolTable,
                                       XMLGrammarPool grammarPool,
                                       XMLComponentManager parentSettings) {
        super(symbolTable, parentSettings);

        // add default recognized features
        final String[] recognizedFeatures = {
                PARSER_SETTINGS,
                        NAMESPACES,
            //WARN_ON_DUPLICATE_ATTDEF,     // from XMLDTDScannerImpl
            //WARN_ON_UNDECLARED_ELEMDEF,   // from XMLDTDScannerImpl
            //ALLOW_JAVA_ENCODINGS,         // from XMLEntityManager
            CONTINUE_AFTER_FATAL_ERROR,
            //LOAD_EXTERNAL_DTD,    // from XMLDTDScannerImpl
            //NOTIFY_BUILTIN_REFS,  // from XMLDocumentFragmentScannerImpl
            //NOTIFY_CHAR_REFS,         // from XMLDocumentFragmentScannerImpl
            //WARN_ON_DUPLICATE_ENTITYDEF   // from XMLEntityManager
        };
        addRecognizedFeatures(recognizedFeatures);

        // set state for default features
        //setFeature(WARN_ON_DUPLICATE_ATTDEF, false);  // from XMLDTDScannerImpl
        //setFeature(WARN_ON_UNDECLARED_ELEMDEF, false);    // from XMLDTDScannerImpl
        //setFeature(ALLOW_JAVA_ENCODINGS, false);      // from XMLEntityManager
        fFeatures.put(CONTINUE_AFTER_FATAL_ERROR, Boolean.FALSE);
                fFeatures.put(PARSER_SETTINGS, Boolean.TRUE);
                fFeatures.put(NAMESPACES, Boolean.TRUE);
        //setFeature(LOAD_EXTERNAL_DTD, true);      // from XMLDTDScannerImpl
        //setFeature(NOTIFY_BUILTIN_REFS, false);   // from XMLDocumentFragmentScannerImpl
        //setFeature(NOTIFY_CHAR_REFS, false);      // from XMLDocumentFragmentScannerImpl
        //setFeature(WARN_ON_DUPLICATE_ENTITYDEF, false);   // from XMLEntityManager

        // add default recognized properties
        final String[] recognizedProperties = {
            ERROR_REPORTER,
            ENTITY_MANAGER,
            DOCUMENT_SCANNER,
            DTD_SCANNER,
            DTD_VALIDATOR,
            NAMESPACE_BINDER,
            XMLGRAMMAR_POOL,
            DATATYPE_VALIDATOR_FACTORY,
            VALIDATION_MANAGER,
            LOCALE,
            SECURITY_MANAGER,
            XML_SECURITY_PROPERTY_MANAGER
        };
        addRecognizedProperties(recognizedProperties);

        fGrammarPool = grammarPool;
        if(fGrammarPool != null){
                        fProperties.put(XMLGRAMMAR_POOL, fGrammarPool);
        }

        fEntityManager = createEntityManager();
                fProperties.put(ENTITY_MANAGER, fEntityManager);
        addComponent(fEntityManager);

        fErrorReporter = createErrorReporter();
        fErrorReporter.setDocumentLocator(fEntityManager.getEntityScanner());
                fProperties.put(ERROR_REPORTER, fErrorReporter);
        addComponent(fErrorReporter);

        // this configuration delays creation of the scanner
        // till it is known if namespace processing should be performed

        fDTDScanner = createDTDScanner();
        if (fDTDScanner != null) {
                        fProperties.put(DTD_SCANNER, fDTDScanner);
            if (fDTDScanner instanceof XMLComponent) {
                addComponent((XMLComponent)fDTDScanner);
            }
        }

        fDatatypeValidatorFactory = createDatatypeValidatorFactory();
        if (fDatatypeValidatorFactory != null) {
                        fProperties.put(DATATYPE_VALIDATOR_FACTORY,
                        fDatatypeValidatorFactory);
        }
        fValidationManager = createValidationManager();

        if (fValidationManager != null) {
                        fProperties.put(VALIDATION_MANAGER, fValidationManager);
        }
        // add message formatters
        if (fErrorReporter.getMessageFormatter(XMLMessageFormatter.XML_DOMAIN) == null) {
            XMLMessageFormatter xmft = new XMLMessageFormatter();
            fErrorReporter.putMessageFormatter(XMLMessageFormatter.XML_DOMAIN, xmft);
            fErrorReporter.putMessageFormatter(XMLMessageFormatter.XMLNS_DOMAIN, xmft);
        }

                fConfigUpdated = false;

        // set locale
        try {
            setLocale(Locale.getDefault());
        }
        catch (XNIException e) {
            // do nothing
            // REVISIT: What is the right thing to do? -Ac
        }

        setProperty(XML_SECURITY_PROPERTY_MANAGER, new XMLSecurityPropertyManager());
    } // <init>(SymbolTable,XMLGrammarPool)

    //
    // Public methods
    //
        public void setFeature(String featureId, boolean state)
                throws XMLConfigurationException {
                fConfigUpdated = true;
                super.setFeature(featureId, state);
        }

        public PropertyState getPropertyState(String propertyId)
             throws XMLConfigurationException {
             if (LOCALE.equals(propertyId)) {
                 return PropertyState.is(getLocale());
             }
             return super.getPropertyState(propertyId);
         }

        public void setProperty(String propertyId, Object value)
             throws XMLConfigurationException {
             fConfigUpdated = true;
             if (LOCALE.equals(propertyId)) {
                 setLocale((Locale) value);
             }
             super.setProperty(propertyId, value);
         }

    /**
     * Set the locale to use for messages.
     *
     * @param locale The locale object to use for localization of messages.
     *
     * @exception XNIException Thrown if the parser does not support the
     *                         specified locale.
     */
    public void setLocale(Locale locale) throws XNIException {
        super.setLocale(locale);
        fErrorReporter.setLocale(locale);
    } // setLocale(Locale)

        public FeatureState getFeatureState(String featureId)
                throws XMLConfigurationException {
                        // make this feature special
                if (featureId.equals(PARSER_SETTINGS)){
                        return FeatureState.is(fConfigUpdated);
                }
                return super.getFeatureState(featureId);

        } // getFeature(String):boolean
    //
    // XMLPullParserConfiguration methods
    //

    // parsing

    /**
     * Sets the input source for the document to parse.
     *
     * @param inputSource The document's input source.
     *
     * @exception XMLConfigurationException Thrown if there is a
     *                        configuration error when initializing the
     *                        parser.
     * @exception IOException Thrown on I/O error.
     *
     * @see #parse(boolean)
     */
    public void setInputSource(XMLInputSource inputSource)
        throws XMLConfigurationException, IOException {

        // REVISIT: this method used to reset all the components and
        //          construct the pipeline. Now reset() is called
        //          in parse (boolean) just before we parse the document
        //          Should this method still throw exceptions..?

        fInputSource = inputSource;

    } // setInputSource(XMLInputSource)

    /**
     * Parses the document in a pull parsing fashion.
     *
     * @param complete True if the pull parser should parse the
     *                 remaining document completely.
     *
     * @return True if there is more document to parse.
     *
     * @exception XNIException Any XNI exception, possibly wrapping
     *                         another exception.
     * @exception IOException  An IO exception from the parser, possibly
     *                         from a byte stream or character stream
     *                         supplied by the parser.
     *
     * @see #setInputSource
     */
    public boolean parse(boolean complete) throws XNIException, IOException {
        //
        // reset and configure pipeline and set InputSource.
        if (fInputSource !=null) {
            try {
                // resets and sets the pipeline.
                reset();
                fScanner.setInputSource(fInputSource);
                fInputSource = null;
            }
            catch (XNIException ex) {
                if (PRINT_EXCEPTION_STACK_TRACE)
                    ex.printStackTrace();
                throw ex;
            }
            catch (IOException ex) {
                if (PRINT_EXCEPTION_STACK_TRACE)
                    ex.printStackTrace();
                throw ex;
            }
            catch (RuntimeException ex) {
                if (PRINT_EXCEPTION_STACK_TRACE)
                    ex.printStackTrace();
                throw ex;
            }
            catch (Exception ex) {
                if (PRINT_EXCEPTION_STACK_TRACE)
                    ex.printStackTrace();
                throw new XNIException(ex);
            }
        }

        try {
            return fScanner.scanDocument(complete);
        }
        catch (XNIException ex) {
            if (PRINT_EXCEPTION_STACK_TRACE)
                ex.printStackTrace();
            throw ex;
        }
        catch (IOException ex) {
            if (PRINT_EXCEPTION_STACK_TRACE)
                ex.printStackTrace();
            throw ex;
        }
        catch (RuntimeException ex) {
            if (PRINT_EXCEPTION_STACK_TRACE)
                ex.printStackTrace();
            throw ex;
        }
        catch (Exception ex) {
            if (PRINT_EXCEPTION_STACK_TRACE)
                ex.printStackTrace();
            throw new XNIException(ex);
        }

    } // parse(boolean):boolean

    /**
     * If the application decides to terminate parsing before the xml document
     * is fully parsed, the application should call this method to free any
     * resource allocated during parsing. For example, close all opened streams.
     */
    public void cleanup() {
        fEntityManager.closeReaders();
    }

    //
    // XMLParserConfiguration methods
    //

    /**
     * Parses the specified input source.
     *
     * @param source The input source.
     *
     * @exception XNIException Throws exception on XNI error.
     * @exception java.io.IOException Throws exception on i/o error.
     */
    public void parse(XMLInputSource source) throws XNIException, IOException {

        if (fParseInProgress) {
            // REVISIT - need to add new error message
            throw new XNIException("FWK005 parse may not be called while parsing.");
        }
        fParseInProgress = true;

        try {
            setInputSource(source);
            parse(true);
        }
        catch (XNIException ex) {
            if (PRINT_EXCEPTION_STACK_TRACE)
                ex.printStackTrace();
            throw ex;
        }
        catch (IOException ex) {
            if (PRINT_EXCEPTION_STACK_TRACE)
                ex.printStackTrace();
            throw ex;
        }
        catch (RuntimeException ex) {
            if (PRINT_EXCEPTION_STACK_TRACE)
                ex.printStackTrace();
            throw ex;
        }
        catch (Exception ex) {
            if (PRINT_EXCEPTION_STACK_TRACE)
                ex.printStackTrace();
            throw new XNIException(ex);
        }
        finally {
            fParseInProgress = false;
            // close all streams opened by xerces
            this.cleanup();
        }

    } // parse(InputSource)

    //
    // Protected methods
    //

    /**
     * Reset all components before parsing.
     *
     * @throws XNIException Thrown if an error occurs during initialization.
     */
    protected void reset() throws XNIException {

        if (fValidationManager != null)
            fValidationManager.reset();
        // configure the pipeline and initialize the components
        configurePipeline();
        super.reset();

    } // reset()

    /** Configures the pipeline. */
    protected void configurePipeline() {
        // create appropriate scanner
        // and register it as one of the components.
        if (fFeatures.get(NAMESPACES) == Boolean.TRUE) {
            if (fNamespaceScanner == null) {
                fNamespaceScanner = new XMLNSDocumentScannerImpl();
                addComponent((XMLComponent)fNamespaceScanner);
            }
            fProperties.put(DOCUMENT_SCANNER, fNamespaceScanner);
            fNamespaceScanner.setDTDValidator(null);
            fScanner = fNamespaceScanner;
        }
        else {
            if (fNonNSScanner == null) {
                fNonNSScanner = new XMLDocumentScannerImpl();
                addComponent((XMLComponent)fNonNSScanner);
            }
            fProperties.put(DOCUMENT_SCANNER, fNonNSScanner);
            fScanner = fNonNSScanner;
        }

        fScanner.setDocumentHandler(fDocumentHandler);
        fLastComponent = fScanner;
        // setup dtd pipeline
        if (fDTDScanner != null) {
                fDTDScanner.setDTDHandler(fDTDHandler);
                fDTDScanner.setDTDContentModelHandler(fDTDContentModelHandler);
        }


    } // 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 FeatureState 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 FeatureState.RECOGNIZED;
            }
            //
            // 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
                return FeatureState.NOT_SUPPORTED;
            }
            //
            // 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
                return FeatureState.NOT_SUPPORTED;
            }
            //
            // 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 FeatureState.RECOGNIZED;
            }
            //
            // 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 FeatureState.RECOGNIZED;
            }

            //
            // http://apache.org/xml/features/validation/default-attribute-values
            //
            if (suffixLength == Constants.VALIDATE_DATATYPES_FEATURE.length() &&
                featureId.endsWith(Constants.VALIDATE_DATATYPES_FEATURE)) {
                return FeatureState.NOT_SUPPORTED;
            }
        }

        //
        // Not recognized
        //

        return 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 PropertyState 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 PropertyState.RECOGNIZED;
            }
        }

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

            if (suffixLength == Constants.SCHEMA_SOURCE.length() &&
                propertyId.endsWith(Constants.SCHEMA_SOURCE)) {
                return PropertyState.RECOGNIZED;
            }
        }

        //
        // Not recognized
        //

        return super.checkProperty(propertyId);

    } // checkProperty(String)

    // factory methods

    /** Creates an entity manager. */
    protected XMLEntityManager createEntityManager() {
        return new XMLEntityManager();
    } // createEntityManager():XMLEntityManager

    /** Creates an error reporter. */
    protected XMLErrorReporter createErrorReporter() {
        return new XMLErrorReporter();
    } // createErrorReporter():XMLErrorReporter

    /** Create a document scanner. */
    protected XMLDocumentScanner createDocumentScanner() {
        return null;
    } // createDocumentScanner():XMLDocumentScanner

    /** Create a DTD scanner. */
    protected XMLDTDScanner createDTDScanner() {
        return new XMLDTDScannerImpl();
    } // createDTDScanner():XMLDTDScanner

    /** Create a datatype validator factory. */
    protected DTDDVFactory createDatatypeValidatorFactory() {
        return DTDDVFactory.getInstance();
    } // createDatatypeValidatorFactory():DatatypeValidatorFactory
    protected ValidationManager createValidationManager(){
        return new ValidationManager();
    }

} // class NonValidatingConfiguration
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Related Classes of com.sun.org.apache.xerces.internal.parsers.NonValidatingConfiguration

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