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org.apache.xerces.parsers.XPointerParserConfiguration Maven / Gradle / Ivy

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.xerces.parsers;

import org.apache.xerces.impl.Constants;
import org.apache.xerces.util.SymbolTable;
import org.apache.xerces.xinclude.XIncludeHandler;
import org.apache.xerces.xinclude.XIncludeNamespaceSupport;
import org.apache.xerces.xni.XMLDocumentHandler;
import org.apache.xerces.xni.grammars.XMLGrammarPool;
import org.apache.xerces.xni.parser.XMLComponentManager;
import org.apache.xerces.xni.parser.XMLConfigurationException;
import org.apache.xerces.xni.parser.XMLDocumentSource;
import org.apache.xerces.xpointer.XPointerHandler;

/**
 * This parser configuration includes an XPointerHandler in the pipeline
 * before the schema validator, or as the last component in the pipeline if there is
 * no schema validator.  Using this pipeline will enable processing according to the
 * XML Inclusions specification with XPointers, to the conformance level described in
 * XPointerHandler..
 * 
 * @see org.apache.xerces.xpointer.XPointerHandler
 */
public class XPointerParserConfiguration extends XML11Configuration {

    private XPointerHandler fXPointerHandler;
    
    private XIncludeHandler fXIncludeHandler;

    /** Feature identifier: allow notation and unparsed entity events to be sent out of order. */
    protected static final String ALLOW_UE_AND_NOTATION_EVENTS =
        Constants.SAX_FEATURE_PREFIX + Constants.ALLOW_DTD_EVENTS_AFTER_ENDDTD_FEATURE;
    
    /** Feature identifier: fixup base URIs. */
    protected static final String XINCLUDE_FIXUP_BASE_URIS =
        Constants.XERCES_FEATURE_PREFIX + Constants.XINCLUDE_FIXUP_BASE_URIS_FEATURE;
    
    /** Feature identifier: fixup language. */
    protected static final String XINCLUDE_FIXUP_LANGUAGE =
        Constants.XERCES_FEATURE_PREFIX + Constants.XINCLUDE_FIXUP_LANGUAGE_FEATURE;

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

    /** Property identifier: error reporter. */
    protected static final String XINCLUDE_HANDLER =
        Constants.XERCES_PROPERTY_PREFIX + Constants.XINCLUDE_HANDLER_PROPERTY;
    
    /** Property identifier: error reporter. */
    protected static final String NAMESPACE_CONTEXT =
        Constants.XERCES_PROPERTY_PREFIX + Constants.NAMESPACE_CONTEXT_PROPERTY;

    /** Default constructor. */
    public XPointerParserConfiguration() {
        this(null, null, null);
    } // ()

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

    /**
     * Constructs a parser configuration using the specified symbol table and
     * grammar pool.
     * 

* * @param symbolTable The symbol table to use. * @param grammarPool The grammar pool to use. */ public XPointerParserConfiguration( SymbolTable symbolTable, XMLGrammarPool grammarPool) { this(symbolTable, grammarPool, null); } // (SymbolTable,XMLGrammarPool) /** * Constructs a parser configuration using the specified symbol table, * grammar pool, and parent settings. *

* * @param symbolTable The symbol table to use. * @param grammarPool The grammar pool to use. * @param parentSettings The parent settings. */ public XPointerParserConfiguration( SymbolTable symbolTable, XMLGrammarPool grammarPool, XMLComponentManager parentSettings) { super(symbolTable, grammarPool, parentSettings); fXIncludeHandler = new XIncludeHandler(); addCommonComponent(fXIncludeHandler); fXPointerHandler = new XPointerHandler(); addCommonComponent(fXPointerHandler); final String[] recognizedFeatures = { ALLOW_UE_AND_NOTATION_EVENTS, XINCLUDE_FIXUP_BASE_URIS, XINCLUDE_FIXUP_LANGUAGE }; addRecognizedFeatures(recognizedFeatures); // add default recognized properties final String[] recognizedProperties = { XINCLUDE_HANDLER, XPOINTER_HANDLER, NAMESPACE_CONTEXT }; addRecognizedProperties(recognizedProperties); setFeature(ALLOW_UE_AND_NOTATION_EVENTS, true); setFeature(XINCLUDE_FIXUP_BASE_URIS, true); setFeature(XINCLUDE_FIXUP_LANGUAGE, true); setProperty(XINCLUDE_HANDLER, fXIncludeHandler); setProperty(XPOINTER_HANDLER, fXPointerHandler); setProperty(NAMESPACE_CONTEXT, new XIncludeNamespaceSupport()); } // (SymbolTable,XMLGrammarPool)} /** Configures the pipeline. */ protected void configurePipeline() { super.configurePipeline(); //configure DTD pipeline fDTDScanner.setDTDHandler(fDTDProcessor); fDTDProcessor.setDTDSource(fDTDScanner); fDTDProcessor.setDTDHandler(fXIncludeHandler); fXIncludeHandler.setDTDSource(fDTDProcessor); fXIncludeHandler.setDTDHandler(fXPointerHandler); fXPointerHandler.setDTDSource(fXIncludeHandler); fXPointerHandler.setDTDHandler(fDTDHandler); if (fDTDHandler != null) { fDTDHandler.setDTDSource(fXPointerHandler); } // configure XML document pipeline: insert after DTDValidator and // before XML Schema validator XMLDocumentSource prev = null; if (fFeatures.get(XMLSCHEMA_VALIDATION) == Boolean.TRUE) { // we don't have to worry about fSchemaValidator being null, since // super.configurePipeline() instantiated it if the feature was set prev = fSchemaValidator.getDocumentSource(); } // Otherwise, insert after the last component in the pipeline else { prev = fLastComponent; fLastComponent = fXPointerHandler; } XMLDocumentHandler next = prev.getDocumentHandler(); prev.setDocumentHandler(fXIncludeHandler); fXIncludeHandler.setDocumentSource(prev); if (next != null) { fXIncludeHandler.setDocumentHandler(next); next.setDocumentSource(fXIncludeHandler); } fXIncludeHandler.setDocumentHandler(fXPointerHandler); fXPointerHandler.setDocumentSource(fXIncludeHandler); } // configurePipeline() protected void configureXML11Pipeline() { super.configureXML11Pipeline(); // configure XML 1.1. DTD pipeline fXML11DTDScanner.setDTDHandler(fXML11DTDProcessor); fXML11DTDProcessor.setDTDSource(fXML11DTDScanner); fDTDProcessor.setDTDHandler(fXIncludeHandler); fXIncludeHandler.setDTDSource(fXML11DTDProcessor); fXIncludeHandler.setDTDHandler(fXPointerHandler); fXPointerHandler.setDTDSource(fXIncludeHandler); fXPointerHandler.setDTDHandler(fDTDHandler); if (fDTDHandler != null) { fDTDHandler.setDTDSource(fXPointerHandler); } // configure XML document pipeline: insert after DTDValidator and // before XML Schema validator XMLDocumentSource prev = null; if (fFeatures.get(XMLSCHEMA_VALIDATION) == Boolean.TRUE) { // we don't have to worry about fSchemaValidator being null, since // super.configurePipeline() instantiated it if the feature was set prev = fSchemaValidator.getDocumentSource(); } // Otherwise, insert after the last component in the pipeline else { prev = fLastComponent; fLastComponent = fXPointerHandler; } XMLDocumentHandler next = prev.getDocumentHandler(); prev.setDocumentHandler(fXIncludeHandler); fXIncludeHandler.setDocumentSource(prev); if (next != null) { fXIncludeHandler.setDocumentHandler(next); next.setDocumentSource(fXIncludeHandler); } fXIncludeHandler.setDocumentHandler(fXPointerHandler); fXPointerHandler.setDocumentSource(fXIncludeHandler); } // configureXML11Pipeline() public void setProperty(String propertyId, Object value) throws XMLConfigurationException { //if (propertyId.equals(XINCLUDE_HANDLER)) { //} super.setProperty(propertyId, value); } // setProperty(String,Object) }





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