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src/share/jaxws_classes/com/sun/xml/internal/xsom/util/DomAnnotationParserFactory.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/xsom/util/DomAnnotationParserFactory.java

Thu, 31 Aug 2017 15:18:52 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:18:52 +0800

changeset 637

9c07ef4934dd

parent 515

6cd506508147

parent 0

373ffda63c9a

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*/
aoqi@0	25
aoqi@0	26	package com.sun.xml.internal.xsom.util;
aoqi@0	27
aoqi@0	28	import com.sun.xml.internal.xsom.XSAnnotation;
aoqi@0	29	import com.sun.xml.internal.xsom.parser.AnnotationContext;
aoqi@0	30	import com.sun.xml.internal.xsom.parser.AnnotationParser;
aoqi@0	31	import com.sun.xml.internal.xsom.parser.AnnotationParserFactory;
aoqi@0	32	import javax.xml.XMLConstants;
aoqi@0	33	import org.w3c.dom.Document;
aoqi@0	34	import org.w3c.dom.Element;
aoqi@0	35	import org.w3c.dom.Node;
aoqi@0	36	import org.xml.sax.ContentHandler;
aoqi@0	37	import org.xml.sax.EntityResolver;
aoqi@0	38	import org.xml.sax.ErrorHandler;
aoqi@0	39
aoqi@0	40	import javax.xml.transform.TransformerConfigurationException;
aoqi@0	41	import javax.xml.transform.dom.DOMResult;
aoqi@0	42	import javax.xml.transform.sax.SAXTransformerFactory;
aoqi@0	43	import javax.xml.transform.sax.TransformerHandler;
aoqi@0	44
aoqi@0	45	/**
aoqi@0	46	* {@link AnnotationParserFactory} that parses annotations into a W3C DOM.
aoqi@0	47	*
aoqi@0	48	* <p>
aoqi@0	49	* If you use this parser factory, you'll get {@link Element} that represents
aoqi@0	50	* &lt;xs:annotation> from {@link XSAnnotation#getAnnotation()}.
aoqi@0	51	*
aoqi@0	52	* <p>
aoqi@0	53	* When multiple &lt;xs:annotation>s are found for the given schema component,
aoqi@0	54	* you'll see all &lt;xs:appinfo>s and &lt;xs:documentation>s combined under
aoqi@0	55	* one &lt;xs:annotation> element.
aoqi@0	56	*
aoqi@0	57	* @author Kohsuke Kawaguchi
aoqi@0	58	*/
aoqi@0	59	public class DomAnnotationParserFactory implements AnnotationParserFactory {
aoqi@0	60
aoqi@0	61	public AnnotationParser create() {
aoqi@0	62	return new AnnotationParserImpl();
aoqi@0	63	}
aoqi@0	64
aoqi@0	65	public AnnotationParser create(boolean disableSecureProcessing) {
aoqi@0	66	return new AnnotationParserImpl(disableSecureProcessing);
aoqi@0	67	}
aoqi@0	68
aoqi@0	69	private static final ContextClassloaderLocal<SAXTransformerFactory> stf = new ContextClassloaderLocal<SAXTransformerFactory>() {
aoqi@0	70	@Override
aoqi@0	71	protected SAXTransformerFactory initialValue() throws Exception {
aoqi@0	72	return (SAXTransformerFactory) SAXTransformerFactory.newInstance();
aoqi@0	73	}
aoqi@0	74	};
aoqi@0	75
aoqi@0	76	private static class AnnotationParserImpl extends AnnotationParser {
aoqi@0	77
aoqi@0	78	/**
aoqi@0	79	* Identity transformer used to parse SAX into DOM.
aoqi@0	80	*/
aoqi@0	81	private final TransformerHandler transformer;
aoqi@0	82	private DOMResult result;
aoqi@0	83
aoqi@0	84	AnnotationParserImpl() {
aoqi@0	85	this(false);
aoqi@0	86	}
aoqi@0	87
aoqi@0	88	AnnotationParserImpl(boolean disableSecureProcessing) {
aoqi@0	89	try {
aoqi@0	90	SAXTransformerFactory factory = stf.get();
aoqi@0	91	factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, disableSecureProcessing);
aoqi@0	92	transformer = factory.newTransformerHandler();
aoqi@0	93	} catch (TransformerConfigurationException e) {
aoqi@0	94	throw new Error(e); // impossible
aoqi@0	95	}
aoqi@0	96	}
aoqi@0	97
aoqi@0	98	public ContentHandler getContentHandler(AnnotationContext context, String parentElementName, ErrorHandler errorHandler, EntityResolver entityResolver) {
aoqi@0	99	result = new DOMResult();
aoqi@0	100	transformer.setResult(result);
aoqi@0	101	return transformer;
aoqi@0	102	}
aoqi@0	103
aoqi@0	104	public Object getResult(Object existing) {
aoqi@0	105	Document dom = (Document)result.getNode();
aoqi@0	106	Element e = dom.getDocumentElement();
aoqi@0	107	if(existing instanceof Element) {
aoqi@0	108	// merge all the children
aoqi@0	109	Element prev = (Element) existing;
aoqi@0	110	Node anchor = e.getFirstChild();
aoqi@0	111	while(prev.getFirstChild()!=null) {
aoqi@0	112	Node move = prev.getFirstChild();
aoqi@0	113	e.insertBefore(e.getOwnerDocument().adoptNode(move), anchor );
aoqi@0	114	}
aoqi@0	115	}
aoqi@0	116	return e;
aoqi@0	117	}
aoqi@0	118	}
aoqi@0	119	}