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Xerces2 is the next generation of high performance, fully compliant XML parsers in the Apache Xerces family. This new version of Xerces introduces the Xerces Native Interface (XNI), a complete framework for building parser components and configurations that is extremely modular and easy to program. The Apache Xerces2 parser is the reference implementation of XNI but other parser components, configurations, and parsers can be written using the Xerces Native Interface. For complete design and implementation documents, refer to the XNI Manual. Xerces2 is a fully conforming XML Schema 1.0 processor. A partial experimental implementation of the XML Schema 1.1 Structures and Datatypes Working Drafts (December 2009) and an experimental implementation of the XML Schema Definition Language (XSD): Component Designators (SCD) Candidate Recommendation (January 2010) are provided for evaluation. For more information, refer to the XML Schema page. Xerces2 also provides a complete implementation of the Document Object Model Level 3 Core and Load/Save W3C Recommendations and provides a complete implementation of the XML Inclusions (XInclude) W3C Recommendation. It also provides support for OASIS XML Catalogs v1.1. Xerces2 is able to parse documents written according to the XML 1.1 Recommendation, except that it does not yet provide an option to enable normalization checking as described in section 2.13 of this specification. It also handles namespaces according to the XML Namespaces 1.1 Recommendation, and will correctly serialize XML 1.1 documents if the DOM level 3 load/save APIs are in use.

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/*
 * 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.
 */

// $Id: XMLEventFactory.java 730320 2008-12-31 06:20:06Z mrglavas $

package javax.xml.stream;

import java.util.Iterator;

import javax.xml.namespace.NamespaceContext;
import javax.xml.stream.events.ProcessingInstruction;
import javax.xml.namespace.QName;
import javax.xml.stream.events.Characters;
import javax.xml.stream.events.Comment;
import javax.xml.stream.events.DTD;
import javax.xml.stream.events.EndElement;
import javax.xml.stream.events.EntityDeclaration;
import javax.xml.stream.events.Namespace;
import javax.xml.stream.events.Attribute;
import javax.xml.stream.events.EndDocument;
import javax.xml.stream.events.EntityReference;
import javax.xml.stream.events.StartDocument;
import javax.xml.stream.events.StartElement;

public abstract class XMLEventFactory {

    private static final String PROPERTY_NAME = "javax.xml.stream.XMLEventFactory";
    private static final String DEFAULT_FACTORY = "org.apache.xerces.stax.XMLEventFactoryImpl";

    protected XMLEventFactory() {}

    public static XMLEventFactory newInstance()
        throws FactoryConfigurationError {
        try {
            return (XMLEventFactory) FactoryFinder.find(PROPERTY_NAME, DEFAULT_FACTORY);
        }
        catch (FactoryFinder.ConfigurationError e) {
            throw new FactoryConfigurationError(e.getException(), e.getMessage());
        }
    }

    public static XMLEventFactory newInstance(String factoryId,
            ClassLoader classLoader) throws FactoryConfigurationError {
        if (classLoader == null) {
            classLoader = SecuritySupport.getContextClassLoader();
        }
        try {
            return (XMLEventFactory) FactoryFinder.find(factoryId, classLoader, DEFAULT_FACTORY);
        }
        catch (FactoryFinder.ConfigurationError e) {
            throw new FactoryConfigurationError(e.getException(), e.getMessage());
        }
    }

    public abstract void setLocation(Location location);

    public abstract Attribute createAttribute(QName name, String value);

    public abstract Attribute createAttribute(String localName, String value);

    public abstract Attribute createAttribute(String prefix,
            String namespaceURI, String localName, String value);

    public abstract Namespace createNamespace(String namespaceUri);

    public abstract Namespace createNamespace(String prefix, String namespaceUri);

    public abstract StartElement createStartElement(QName name,
            Iterator attributes, Iterator namespaces);

    public abstract StartElement createStartElement(String prefix,
            String namespaceUri, String localName);

    public abstract StartElement createStartElement(String prefix,
            String namespaceUri, String localName, Iterator attributes,
            Iterator namespaces);

    public abstract StartElement createStartElement(String prefix,
            String namespaceUri, String localName, Iterator attributes,
            Iterator namespaces, NamespaceContext context);

    public abstract EndElement createEndElement(QName name, Iterator namespaces);

    public abstract EndElement createEndElement(String prefix,
            String namespaceUri, String localName);

    public abstract EndElement createEndElement(String prefix,
            String namespaceUri, String localName, Iterator namespaces);

    public abstract Characters createCharacters(String content);

    public abstract Characters createCData(String content);

    public abstract Characters createSpace(String content);

    public abstract Characters createIgnorableSpace(String content);

    public abstract StartDocument createStartDocument();

    public abstract StartDocument createStartDocument(String encoding);

    public abstract StartDocument createStartDocument(String encoding,
            String version);

    public abstract StartDocument createStartDocument(String encoding,
            String version, boolean standalone);

    public abstract EndDocument createEndDocument();

    public abstract EntityReference createEntityReference(String name,
            EntityDeclaration declaration);

    public abstract Comment createComment(String text);

    public abstract ProcessingInstruction createProcessingInstruction(
            String target, String data);

    public abstract DTD createDTD(String dtd);
}