schemaparsingconfig.java

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/*
 * 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.impl.xs.opti;

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.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.impl.xs.XSMessageFormatter;
import com.sun.org.apache.xerces.internal.parsers.BasicParserConfiguration;
import com.sun.org.apache.xerces.internal.util.SymbolTable;
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;
import org.w3c.dom.Document;


/**
 * @xerces.internal  
 * 
 * @author Rahul Srivastava, Sun Microsystems Inc.
 *
 * @version $Id: SchemaParsingConfig.java,v 1.2.6.1 2005/09/08 11:08:58 sunithareddy Exp $
 */
public class SchemaParsingConfig 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;
    
    /** Feature identifier: generate synthetic annotations. */
    protected static final String GENERATE_SYNTHETIC_ANNOTATION = 
        Constants.XERCES_FEATURE_PREFIX + Constants.GENERATE_SYNTHETIC_ANNOTATIONS_FEATURE;
    
    
    // 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;
    
    
    // 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 SchemaDOMParser fSchemaDOMParser;
    
    protected ValidationManager fValidationManager;
    // 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 SchemaParsingConfig() {
        this(null, null, null);
    } // <init>()
    
    /** 
     * Constructs a parser configuration using the specified symbol table. 
     *
     * @param symbolTable The symbol table to use.
     */
    public SchemaParsingConfig(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 SchemaParsingConfig(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 SchemaParsingConfig(SymbolTable symbolTable,
            XMLGrammarPool grammarPool,
            XMLComponentManager parentSettings) {
        super(symbolTable, parentSettings);
        
        // add default recognized features
        final String[] recognizedFeatures = {
            PARSER_SETTINGS, WARN_ON_DUPLICATE_ATTDEF,   WARN_ON_UNDECLARED_ELEMDEF,
            ALLOW_JAVA_ENCODINGS,       CONTINUE_AFTER_FATAL_ERROR,
            LOAD_EXTERNAL_DTD,          NOTIFY_BUILTIN_REFS,
            NOTIFY_CHAR_REFS, GENERATE_SYNTHETIC_ANNOTATION
        };
        addRecognizedFeatures(recognizedFeatures);
        fFeatures.put(PARSER_SETTINGS, Boolean.TRUE);
        // set state for default features
        fFeatures.put(WARN_ON_DUPLICATE_ATTDEF, Boolean.FALSE);
        //setFeature(WARN_ON_DUPLICATE_ENTITYDEF, false);
        fFeatures.put(WARN_ON_UNDECLARED_ELEMDEF, Boolean.FALSE);
        fFeatures.put(ALLOW_JAVA_ENCODINGS, Boolean.FALSE);
        fFeatures.put(CONTINUE_AFTER_FATAL_ERROR, Boolean.FALSE);
        fFeatures.put(LOAD_EXTERNAL_DTD, Boolean.TRUE);
        fFeatures.put(NOTIFY_BUILTIN_REFS, Boolean.FALSE);
        fFeatures.put(NOTIFY_CHAR_REFS, Boolean.FALSE);
        fFeatures.put(GENERATE_SYNTHETIC_ANNOTATION, Boolean.FALSE);
        
        // 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,
            GENERATE_SYNTHETIC_ANNOTATION
        };
        addRecognizedProperties(recognizedProperties);
        
        fGrammarPool = grammarPool;
        if(fGrammarPool != null){
            setProperty(XMLGRAMMAR_POOL, fGrammarPool);
        }
        
        fEntityManager = new XMLEntityManager();
        fProperties.put(ENTITY_MANAGER, fEntityManager);
        addComponent(fEntityManager);
        
        fErrorReporter = new XMLErrorReporter();
        fErrorReporter.setDocumentLocator(fEntityManager.getEntityScanner());
        fProperties.put(ERROR_REPORTER, fErrorReporter);
        addComponent(fErrorReporter);
        
        fScanner = new XMLNSDocumentScannerImpl();
        fProperties.put(DOCUMENT_SCANNER, fScanner);
        addComponent((XMLComponent)fScanner);
        
        fDTDScanner = new XMLDTDScannerImpl();
        fProperties.put(DTD_SCANNER, fDTDScanner);
        addComponent((XMLComponent)fDTDScanner);
        
        
        fDatatypeValidatorFactory = DTDDVFactory.getInstance();;
        fProperties.put(DATATYPE_VALIDATOR_FACTORY,
                fDatatypeValidatorFactory);
        
        fValidationManager = new ValidationManager();
        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);
        }
        
        if (fErrorReporter.getMessageFormatter(XSMessageFormatter.SCHEMA_DOMAIN) == null) {
            XSMessageFormatter xmft = new XSMessageFormatter();
            fErrorReporter.putMessageFormatter(XSMessageFormatter.SCHEMA_DOMAIN, xmft);
        }
        
        // set locale
        try {
            setLocale(Locale.getDefault()); 
        }
        catch (XNIException e) {
            // do nothing
            // REVISIT: What is the right thing to do? -Ac
        }
        
    } // <init>(SymbolTable,XMLGrammarPool)
    
    //
    // Public methods
    //
    
    /**
     * 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)