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package com.sun.xml.internal.xsom.util;

import com.sun.xml.internal.xsom.XSAnnotation;
import com.sun.xml.internal.xsom.parser.AnnotationContext;
import com.sun.xml.internal.xsom.parser.AnnotationParser;
import com.sun.xml.internal.xsom.parser.AnnotationParserFactory;
import javax.xml.XMLConstants;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.xml.sax.ContentHandler;
import org.xml.sax.EntityResolver;
import org.xml.sax.ErrorHandler;

import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.sax.SAXTransformerFactory;
import javax.xml.transform.sax.TransformerHandler;

AnnotationParserFactory that parses annotations into a W3C DOM.

If you use this parser factory, you'll get Element that represents <xs:annotation> from XSAnnotation.getAnnotation().

When multiple <xs:annotation>s are found for the given schema component, you'll see all <xs:appinfo>s and <xs:documentation>s combined under one <xs:annotation> element.

Author:Kohsuke Kawaguchi
/** * {@link AnnotationParserFactory} that parses annotations into a W3C DOM. * * <p> * If you use this parser factory, you'll get {@link Element} that represents * {@code <xs:annotation>} from {@link XSAnnotation#getAnnotation()}. * * <p> * When multiple {@code <xs:annotation>s} are found for the given schema component, * you'll see all {@code <xs:appinfo>s} and {@code <xs:documentation>s} combined under * one {@code <xs:annotation>} element. * * @author Kohsuke Kawaguchi */
public class DomAnnotationParserFactory implements AnnotationParserFactory { public AnnotationParser create() { return new AnnotationParserImpl(); } public AnnotationParser create(boolean disableSecureProcessing) { return new AnnotationParserImpl(disableSecureProcessing); } private static final ContextClassloaderLocal<SAXTransformerFactory> stf = new ContextClassloaderLocal<SAXTransformerFactory>() { @Override protected SAXTransformerFactory initialValue() throws Exception { return (SAXTransformerFactory) SAXTransformerFactory.newInstance(); } }; private static class AnnotationParserImpl extends AnnotationParser {
Identity transformer used to parse SAX into DOM.
/** * Identity transformer used to parse SAX into DOM. */
private final TransformerHandler transformer; private DOMResult result; AnnotationParserImpl() { this(false); } AnnotationParserImpl(boolean disableSecureProcessing) { try { SAXTransformerFactory factory = stf.get(); factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, disableSecureProcessing); transformer = factory.newTransformerHandler(); } catch (TransformerConfigurationException e) { throw new Error(e); // impossible } } public ContentHandler getContentHandler(AnnotationContext context, String parentElementName, ErrorHandler errorHandler, EntityResolver entityResolver) { result = new DOMResult(); transformer.setResult(result); return transformer; } public Object getResult(Object existing) { Document dom = (Document)result.getNode(); Element e = dom.getDocumentElement(); if(existing instanceof Element) { // merge all the children Element prev = (Element) existing; Node anchor = e.getFirstChild(); while(prev.getFirstChild()!=null) { Node move = prev.getFirstChild(); e.insertBefore(e.getOwnerDocument().adoptNode(move), anchor ); } } return e; } } }