| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 2000,2001 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xerces" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 1999, International |
| * Business Machines, Inc., http://www.apache.org. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.xerces.parsers; |
| |
| import java.io.InputStream; |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.util.Vector; |
| |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Node; |
| |
| import org.apache.xerces.dom3.ls.DOMEntityResolver; |
| import org.apache.xerces.dom3.ls.DOMInputSource; |
| import org.apache.xerces.dom3.as.ASModel; |
| import org.apache.xerces.dom3.as.DOMASBuilder; |
| import org.apache.xerces.dom3.as.DOMASException; |
| |
| import org.apache.xerces.dom.ASModelImpl; |
| import org.apache.xerces.util.DOMEntityResolverWrapper; |
| import org.apache.xerces.util.DOMErrorHandlerWrapper; |
| import org.apache.xerces.xni.XNIException; |
| import org.apache.xerces.xni.parser.XMLConfigurationException; |
| import org.apache.xerces.xni.parser.XMLInputSource; |
| import org.apache.xerces.xni.parser.XMLParserConfiguration; |
| |
| import org.apache.xerces.impl.validation.GrammarPool; |
| import org.apache.xerces.impl.xs.traversers.XSDHandler; |
| import org.apache.xerces.impl.xs.XSGrammarResolver; |
| import org.apache.xerces.impl.xs.SubstitutionGroupHandler; |
| import org.apache.xerces.impl.xs.models.CMBuilder; |
| import org.apache.xerces.impl.xs.SchemaSymbols; |
| import org.apache.xerces.impl.xs.SchemaGrammar; |
| import org.apache.xerces.impl.xs.XSConstraints; |
| import org.apache.xerces.impl.xs.XSDeclarationPool; |
| import org.apache.xerces.impl.Constants; |
| import org.apache.xerces.impl.XMLErrorReporter; |
| import org.apache.xerces.xni.parser.XMLEntityResolver; |
| import org.apache.xerces.xni.parser.XMLInputSource; |
| import org.apache.xerces.util.SymbolTable; |
| import org.apache.xerces.util.SymbolHash; |
| import org.apache.xerces.util.DOMUtil; |
| |
| |
| /** |
| * This is Abstract Schema DOM Builder class. It extends the DOMBuilderImpl |
| * class. Provides support for preparsing schemas. |
| * |
| * @author Pavani Mukthipudi, Sun Microsystems Inc. |
| * @author Neil Graham, IBM |
| * @version $Id$ |
| * |
| */ |
| |
| public class DOMASBuilderImpl |
| extends DOMBuilderImpl implements DOMASBuilder { |
| |
| // |
| // Constants |
| // |
| |
| // Feature ids |
| |
| protected static final String SCHEMA_FULL_CHECKING = |
| Constants.XERCES_FEATURE_PREFIX + Constants.SCHEMA_FULL_CHECKING; |
| |
| // Property ids |
| |
| protected static final String ERROR_REPORTER = |
| Constants.XERCES_PROPERTY_PREFIX + Constants.ERROR_REPORTER_PROPERTY; |
| |
| protected static final String SYMBOL_TABLE = |
| Constants.XERCES_PROPERTY_PREFIX + Constants.SYMBOL_TABLE_PROPERTY; |
| |
| protected static final String ENTITY_MANAGER = |
| Constants.XERCES_PROPERTY_PREFIX + Constants.ENTITY_MANAGER_PROPERTY; |
| |
| |
| // |
| // Data |
| // |
| |
| protected XSGrammarResolver fGrammarResolver; |
| protected SubstitutionGroupHandler fSubGroupHandler; |
| protected CMBuilder fCMBuilder; |
| protected XSDHandler fSchemaHandler; |
| protected XMLErrorReporter fErrorReporter; |
| protected XMLEntityResolver fEntityResolver; |
| protected SymbolTable fSymbolTable; |
| protected GrammarPool fGrammarPool = null; |
| |
| protected ASModelImpl fAbstractSchema; |
| |
| // |
| // Constructors |
| // |
| |
| /** |
| * Constructs a DOM Builder using the dtd/xml schema parser configuration. |
| */ |
| public DOMASBuilderImpl() { |
| super(new DTDXSParserConfiguration()); |
| } // <init> |
| |
| /** |
| * Constructs a DOM Builder using the specified parser configuration. |
| */ |
| public DOMASBuilderImpl(XMLParserConfiguration config) { |
| super(config); |
| } // <init>(XMLParserConfiguration) |
| |
| /** |
| * Constructs a DOM Builder using the specified symbol table. |
| */ |
| public DOMASBuilderImpl(SymbolTable symbolTable) { |
| super(new DTDXSParserConfiguration(symbolTable)); |
| } // <init>(SymbolTable) |
| |
| |
| /** |
| * Constructs a DOM Builder using the specified symbol table and |
| * grammar pool. |
| */ |
| public DOMASBuilderImpl(SymbolTable symbolTable, GrammarPool grammarPool) { |
| super(new DTDXSParserConfiguration(symbolTable, grammarPool)); |
| fGrammarPool = grammarPool; |
| } |
| |
| // |
| // DOMASBuilder methods |
| // |
| |
| /** |
| * Associate an <code>ASModel</code> with a document instance. This |
| * <code>ASModel</code> will be used by the " |
| * <code>validate-if-schema</code>" and " |
| * <code>datatype-normalization</code>" options during the load of a new |
| * <code>Document</code>. |
| */ |
| public ASModel getAbstractSchema() { |
| return fAbstractSchema; |
| } |
| |
| /** |
| * Associate an <code>ASModel</code> with a document instance. This |
| * <code>ASModel</code> will be used by the " |
| * <code>validate-if-schema</code>" and " |
| * <code>datatype-normalization</code>" options during the load of a new |
| * <code>Document</code>. |
| */ |
| public void setAbstractSchema(ASModel abstractSchema) { |
| |
| // since the ASModel associated with this object is an attribute |
| // according to the DOM IDL, we must obliterate anything |
| // that was set before, rather than adding to it. |
| fAbstractSchema = (ASModelImpl)abstractSchema; |
| |
| // make sure the GrammarPool is properly initialized. |
| if (fGrammarPool == null) { |
| fGrammarPool = (GrammarPool)fConfiguration.getProperty(StandardParserConfiguration.GRAMMAR_POOL); |
| } |
| initGrammarPool(fAbstractSchema); |
| } |
| |
| |
| // some constants that'll be added into the symbol table |
| String XMLNS; |
| String URI_XSI; |
| String XSI_SCHEMALOCATION; |
| String XSI_NONAMESPACESCHEMALOCATION; |
| String XSI_TYPE; |
| String XSI_NIL; |
| String URI_SCHEMAFORSCHEMA; |
| |
| /** |
| * Parse a Abstract Schema from a location identified by an URI. |
| * |
| * @param uri The location of the Abstract Schema to be read. |
| * @return The newly created <code>Abstract Schema</code>. |
| * @exception DOMASException |
| * Exceptions raised by <code>parseASURI()</code> originate with the |
| * installed ErrorHandler, and thus depend on the implementation of |
| * the <code>DOMErrorHandler</code> interfaces. The default error |
| * handlers will raise a <code>DOMASException</code> if any form of |
| * Abstract Schema inconsistencies or warning occurs during the parse, |
| * but application defined errorHandlers are not required to do so. |
| * <br> WRONG_MIME_TYPE_ERR: Raised when <code>mimeTypeCheck</code> is |
| * <code>true</code> and the inputsource has an incorrect MIME Type. |
| * See attribute <code>mimeTypeCheck</code>. |
| * @exception DOMSystemException |
| * Exceptions raised by <code>parseURI()</code> originate with the |
| * installed ErrorHandler, and thus depend on the implementation of |
| * the <code>DOMErrorHandler</code> interfaces. The default error |
| * handlers will raise a DOMSystemException if any form I/O or other |
| * system error occurs during the parse, but application defined error |
| * handlers are not required to do so. |
| */ |
| public ASModel parseASURI(String uri) |
| throws DOMASException, Exception { |
| if (fSchemaHandler == null) { |
| fGrammarResolver = new XSGrammarResolver(); |
| fSubGroupHandler = new SubstitutionGroupHandler(fGrammarResolver); |
| fSchemaHandler = new XSDHandler(fGrammarResolver); |
| fCMBuilder = new CMBuilder(new XSDeclarationPool()); |
| } |
| |
| fErrorReporter = (XMLErrorReporter)fConfiguration.getProperty(ERROR_REPORTER); |
| fEntityResolver = (XMLEntityResolver)fConfiguration.getProperty(ENTITY_RESOLVER); |
| if (fEntityResolver == null) |
| fEntityResolver = (XMLEntityResolver)fConfiguration.getProperty(ENTITY_MANAGER); |
| |
| fSymbolTable = (SymbolTable)fConfiguration.getProperty(SYMBOL_TABLE); |
| String externalSchemas = |
| (String)(fConfiguration.getProperty(Constants.XERCES_PROPERTY_PREFIX+Constants.SCHEMA_LOCATION)); |
| String noNamespaceExternalSchemas = |
| (String)(fConfiguration.getProperty(Constants.XERCES_PROPERTY_PREFIX+Constants.SCHEMA_NONS_LOCATION)); |
| |
| XMLNS = fSymbolTable.addSymbol(SchemaSymbols.O_XMLNS); |
| URI_XSI = fSymbolTable.addSymbol(SchemaSymbols.URI_XSI); |
| XSI_SCHEMALOCATION = fSymbolTable.addSymbol(SchemaSymbols.OXSI_SCHEMALOCATION); |
| XSI_NONAMESPACESCHEMALOCATION = fSymbolTable.addSymbol(SchemaSymbols.OXSI_NONAMESPACESCHEMALOCATION); |
| XSI_TYPE = fSymbolTable.addSymbol(SchemaSymbols.OXSI_TYPE); |
| XSI_NIL = fSymbolTable.addSymbol(SchemaSymbols.OXSI_NIL); |
| URI_SCHEMAFORSCHEMA = fSymbolTable.addSymbol(SchemaSymbols.OURI_SCHEMAFORSCHEMA); |
| |
| initGrammarResolver(); |
| fSubGroupHandler.reset(); |
| fSchemaHandler.reset(fErrorReporter, fEntityResolver, fSymbolTable, externalSchemas, noNamespaceExternalSchemas); |
| |
| SchemaGrammar grammar = fSchemaHandler.parseSchema(null,uri); |
| |
| if (getFeature(SCHEMA_FULL_CHECKING)) { |
| XSConstraints.fullSchemaChecking(fGrammarResolver, fSubGroupHandler, fCMBuilder, fErrorReporter); |
| } |
| |
| ASModelImpl newAsModel = new ASModelImpl(); |
| addGrammars(newAsModel, fGrammarResolver); |
| return newAsModel; |
| } |
| |
| /** |
| * Parse a Abstract Schema from a location identified by an |
| * <code>DOMInputSource</code>. |
| * |
| * @param is The <code>DOMInputSource</code> from which the source |
| * Abstract Schema is to be read. |
| * @return The newly created <code>ASModel</code>. |
| * @exception DOMASException |
| * Exceptions raised by <code>parseASURI()</code> originate with the |
| * installed ErrorHandler, and thus depend on the implementation of |
| * the <code>DOMErrorHandler</code> interfaces. The default error |
| * handlers will raise a <code>DOMASException</code> if any form of |
| * Abstract Schema inconsistencies or warning occurs during the parse, |
| * but application defined errorHandlers are not required to do so. |
| * <br> WRONG_MIME_TYPE_ERR: Raised when <code>mimeTypeCheck</code> is |
| * true and the inputsource has an incorrect MIME Type. See attribute |
| * <code>mimeTypeCheck</code>. |
| * @exception DOMSystemException |
| * Exceptions raised by <code>parseURI()</code> originate with the |
| * installed ErrorHandler, and thus depend on the implementation of |
| * the <code>DOMErrorHandler</code> interfaces. The default error |
| * handlers will raise a DOMSystemException if any form I/O or other |
| * system error occurs during the parse, but application defined error |
| * handlers are not required to do so. |
| */ |
| public ASModel parseASInputSource(DOMInputSource is) |
| throws DOMASException, Exception { |
| if (fSchemaHandler == null) { |
| fGrammarResolver = new XSGrammarResolver(); |
| fSubGroupHandler = new SubstitutionGroupHandler(fGrammarResolver); |
| fSchemaHandler = new XSDHandler(fGrammarResolver); |
| fCMBuilder = new CMBuilder(new XSDeclarationPool()); |
| } |
| |
| fErrorReporter = (XMLErrorReporter)fConfiguration.getProperty(ERROR_REPORTER); |
| fEntityResolver = (XMLEntityResolver)fConfiguration.getProperty(ENTITY_RESOLVER); |
| |
| fSymbolTable = (SymbolTable)fConfiguration.getProperty(SYMBOL_TABLE); |
| String externalSchemas = |
| (String)(fConfiguration.getProperty(Constants.XERCES_PROPERTY_PREFIX+Constants.SCHEMA_LOCATION)); |
| String noNamespaceExternalSchemas = |
| (String)(fConfiguration.getProperty(Constants.XERCES_PROPERTY_PREFIX+Constants.SCHEMA_NONS_LOCATION)); |
| |
| XMLNS = fSymbolTable.addSymbol(SchemaSymbols.O_XMLNS); |
| URI_XSI = fSymbolTable.addSymbol(SchemaSymbols.URI_XSI); |
| XSI_SCHEMALOCATION = fSymbolTable.addSymbol(SchemaSymbols.OXSI_SCHEMALOCATION); |
| XSI_NONAMESPACESCHEMALOCATION = fSymbolTable.addSymbol(SchemaSymbols.OXSI_NONAMESPACESCHEMALOCATION); |
| XSI_TYPE = fSymbolTable.addSymbol(SchemaSymbols.OXSI_TYPE); |
| XSI_NIL = fSymbolTable.addSymbol(SchemaSymbols.OXSI_NIL); |
| URI_SCHEMAFORSCHEMA = fSymbolTable.addSymbol(SchemaSymbols.OURI_SCHEMAFORSCHEMA); |
| |
| initGrammarResolver(); |
| fSubGroupHandler.reset(); |
| fSchemaHandler.reset(fErrorReporter, fEntityResolver, fSymbolTable, externalSchemas, noNamespaceExternalSchemas); |
| |
| SchemaGrammar grammar = fSchemaHandler.parseSchema(is.getBaseURI(),is.getSystemId()); |
| |
| if (getFeature(SCHEMA_FULL_CHECKING)) { |
| XSConstraints.fullSchemaChecking(fGrammarResolver, fSubGroupHandler, fCMBuilder, fErrorReporter); |
| } |
| |
| ASModelImpl newAsModel = new ASModelImpl(); |
| addGrammars(newAsModel, fGrammarResolver); |
| return newAsModel; |
| } |
| |
| // put all the grammars we have access to in the GrammarResolver |
| private void initGrammarResolver() { |
| fGrammarResolver.reset(); |
| fGrammarResolver.putGrammar(URI_SCHEMAFORSCHEMA, SchemaGrammar.SG_SchemaNS); |
| if (fAbstractSchema != null) |
| initGrammarResolverRecurse(fAbstractSchema); |
| } |
| private void initGrammarResolverRecurse(ASModelImpl currModel) { |
| if(currModel.getGrammar() != null) { |
| fGrammarResolver.putGrammar(currModel.getGrammar()); |
| } |
| for(int i = 0; i < currModel.getInternalASModels().size(); i++) { |
| ASModelImpl nextModel = (ASModelImpl)(currModel.getInternalASModels().elementAt(i)); |
| initGrammarResolverRecurse(nextModel); |
| } |
| } |
| |
| private void addGrammars(ASModelImpl model, XSGrammarResolver grammarResolver) { |
| SchemaGrammar [] grammarList = grammarResolver.getGrammars(); |
| for(int i=0; i<grammarList.length; i++) { |
| ASModelImpl newModel = new ASModelImpl(); |
| newModel.setGrammar(grammarList[i]); |
| model.addASModel(newModel); |
| } |
| } // addGrammars |
| |
| private void initGrammarPool(ASModelImpl currModel) { |
| // put all the grammars in fAbstractSchema into the grammar pool. |
| SchemaGrammar grammar = null; |
| if((grammar = currModel.getGrammar()) != null) { |
| String tns = grammar.getTargetNamespace(); |
| fGrammarPool.putGrammarNS(tns, grammar); |
| } |
| Vector modelStore = currModel.getInternalASModels(); |
| for (int i = 0; i < modelStore.size(); i++) { |
| initGrammarPool((ASModelImpl)modelStore.elementAt(i)); |
| } |
| } |
| } // class DOMASBuilderImpl |