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Stax2 API is an extension to basic Stax 1.0 API that adds significant new functionality, such as full-featured bi-direction validation interface and high-performance Typed Access API.

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package org.codehaus.stax2.ri;

import java.util.Iterator;

import javax.xml.namespace.NamespaceContext;
import javax.xml.namespace.QName;
import javax.xml.stream.*;
import javax.xml.stream.events.*;

import org.codehaus.stax2.evt.XMLEventFactory2;
import org.codehaus.stax2.evt.DTD2;
import org.codehaus.stax2.ri.evt.*;

/**
 * This is an abstract almost complete plain vanilla implementation of
 * {@link XMLEventFactory2}.
 * It can be used as a building block for concrete implementations:
 * the minimal requirement is to implement createQName
 * methods.
 *

* Note that due to underlying Stax factory being non-generic (it was specified * for JDK 1.4, pre-generic), no generic typing can be added to various * {@link java.util.Iterator}s in signatures. * * @author Tatu Saloranta * * @since 3.0 */ public abstract class Stax2EventFactoryImpl extends XMLEventFactory2 { protected Location mLocation; public Stax2EventFactoryImpl() { } /* /********************************************************************** /* XMLEventFactory API /********************************************************************** */ @Override public Attribute createAttribute(QName name, String value) { return new AttributeEventImpl(mLocation, name, value, true); } @Override public Attribute createAttribute(String localName, String value) { return new AttributeEventImpl(mLocation, localName, null, null, value, true); } @Override public Attribute createAttribute(String prefix, String nsURI, String localName, String value) { return new AttributeEventImpl(mLocation, localName, nsURI, prefix, value, true); } @Override public Characters createCData(String content) { return new CharactersEventImpl(mLocation, content, true); } @Override public Characters createCharacters(String content) { return new CharactersEventImpl(mLocation, content, false); } @Override public Comment createComment(String text) { return new CommentEventImpl(mLocation, text); } /** * Note: constructing DTD events this way means that there will be no * internal presentation of actual DTD; no parsing is implied by * construction. */ @Override public DTD createDTD(String dtd) { return new DTDEventImpl(mLocation, dtd); } @Override public EndDocument createEndDocument() { return new EndDocumentEventImpl(mLocation); } @SuppressWarnings({ "rawtypes", "unchecked" }) // due to Stax's non-generic-ness @Override public EndElement createEndElement(QName name, Iterator namespaces) { return new EndElementEventImpl(mLocation, name, (Iterator) namespaces); } @Override public EndElement createEndElement(String prefix, String nsURI, String localName) { return createEndElement(createQName(nsURI, localName, prefix), null); } @SuppressWarnings("rawtypes") // due to Stax's non-generic-ness @Override public EndElement createEndElement(String prefix, String nsURI, String localName, Iterator ns) { return createEndElement(createQName(nsURI, localName, prefix), ns); } @Override public EntityReference createEntityReference(String name, EntityDeclaration decl) { return new EntityReferenceEventImpl(mLocation, decl); } @Override public Characters createIgnorableSpace(String content) { return CharactersEventImpl.createIgnorableWS(mLocation, content); } @Override public Namespace createNamespace(String nsURI) { return NamespaceEventImpl.constructDefaultNamespace(mLocation, nsURI); } @Override public Namespace createNamespace(String prefix, String nsURI) { return NamespaceEventImpl.constructNamespace(mLocation, prefix, nsURI); } @Override public ProcessingInstruction createProcessingInstruction(String target, String data) { return new ProcInstrEventImpl(mLocation, target, data); } @Override public Characters createSpace(String content) { return CharactersEventImpl.createNonIgnorableWS(mLocation, content); } @Override public StartDocument createStartDocument() { return new StartDocumentEventImpl(mLocation); } @Override public StartDocument createStartDocument(String encoding) { return new StartDocumentEventImpl(mLocation, encoding); } @Override public StartDocument createStartDocument(String encoding, String version) { return new StartDocumentEventImpl(mLocation, encoding, version); } @Override public StartDocument createStartDocument(String encoding, String version, boolean standalone) { return new StartDocumentEventImpl(mLocation, encoding, version, true, standalone); } @SuppressWarnings("rawtypes") // due to Stax's non-generic-ness @Override public StartElement createStartElement(QName name, Iterator attr, Iterator ns) { return createStartElement(name, attr, ns, null); } @Override public StartElement createStartElement(String prefix, String nsURI, String localName) { return createStartElement(createQName(nsURI, localName, prefix), null, null, null); } @SuppressWarnings("rawtypes") // due to Stax's non-generic-ness @Override public StartElement createStartElement(String prefix, String nsURI, String localName, Iterator attr, Iterator ns) { return createStartElement(createQName(nsURI, localName, prefix), attr, ns, null); } @SuppressWarnings("rawtypes") // due to Stax's non-generic-ness @Override public StartElement createStartElement(String prefix, String nsURI, String localName, Iterator attr, Iterator ns, NamespaceContext nsCtxt) { return createStartElement(createQName(nsURI, localName, prefix), attr, ns, nsCtxt); } @Override public void setLocation(Location loc) { mLocation = loc; } /* /********************************************************************** /* XMLEventFactory2 methods /********************************************************************** */ @Override public DTD2 createDTD(String rootName, String sysId, String pubId, String intSubset) { return new DTDEventImpl(mLocation, rootName, sysId, pubId, intSubset, null); } @Override public DTD2 createDTD(String rootName, String sysId, String pubId, String intSubset, Object processedDTD) { return new DTDEventImpl(mLocation, rootName, sysId, pubId, intSubset, processedDTD); } /* /********************************************************************** /* Helper methods, overridable /********************************************************************** */ protected abstract QName createQName(String nsURI, String localName); protected abstract QName createQName(String nsURI, String localName, String prefix); protected StartElement createStartElement(QName name, Iterator attr, Iterator ns, NamespaceContext ctxt) { return StartElementEventImpl.construct(mLocation, name, attr, ns, ctxt); } }





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