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src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/ContentHandlerAdaptor.java@e530533619ec (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/ContentHandlerAdaptor.java

Thu, 12 Oct 2017 19:44:07 +0800

author

aoqi

date

Thu, 12 Oct 2017 19:44:07 +0800

changeset 760

e530533619ec

parent 658

45676aaa9d47

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aefimov@658	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.bind.v2.runtime;
aoqi@0	27
aoqi@0	28	import com.sun.istack.internal.FinalArrayList;
aoqi@0	29	import com.sun.istack.internal.SAXException2;
aoqi@0	30
aoqi@0	31	import org.xml.sax.Attributes;
aoqi@0	32	import org.xml.sax.SAXException;
aoqi@0	33	import org.xml.sax.helpers.DefaultHandler;
aoqi@0	34
aefimov@658	35	import javax.xml.stream.XMLStreamException;
aefimov@658	36	import java.io.IOException;
aefimov@658	37
aoqi@0	38	/**
aoqi@0	39	* Receives SAX2 events and send the equivalent events to
aoqi@0	40	* {@link XMLSerializer}
aoqi@0	41	*
aoqi@0	42	* @author
aoqi@0	43	* Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
aoqi@0	44	*/
aoqi@0	45	final class ContentHandlerAdaptor extends DefaultHandler {
aoqi@0	46
aoqi@0	47	/** Stores newly declared prefix-URI mapping. */
aoqi@0	48	private final FinalArrayList<String> prefixMap = new FinalArrayList<String>();
aoqi@0	49
aoqi@0	50	/** Events will be sent to this object. */
aoqi@0	51	private final XMLSerializer serializer;
aoqi@0	52
aoqi@0	53	private final StringBuffer text = new StringBuffer();
aoqi@0	54
aoqi@0	55
aoqi@0	56	ContentHandlerAdaptor( XMLSerializer _serializer ) {
aoqi@0	57	this.serializer = _serializer;
aoqi@0	58	}
aoqi@0	59
aoqi@0	60	public void startDocument() {
aoqi@0	61	prefixMap.clear();
aoqi@0	62	}
aoqi@0	63
aoqi@0	64	public void startPrefixMapping(String prefix, String uri) {
aoqi@0	65	prefixMap.add(prefix);
aoqi@0	66	prefixMap.add(uri);
aoqi@0	67	}
aoqi@0	68
aoqi@0	69	private boolean containsPrefixMapping(String prefix, String uri) {
aoqi@0	70	for( int i=0; i<prefixMap.size(); i+=2 ) {
aoqi@0	71	if(prefixMap.get(i).equals(prefix)
aefimov@658	72	&& prefixMap.get(i+1).equals(uri))
aoqi@0	73	return true;
aoqi@0	74	}
aoqi@0	75	return false;
aoqi@0	76	}
aoqi@0	77
aoqi@0	78	public void startElement(String namespaceURI, String localName, String qName, Attributes atts)
aefimov@658	79	throws SAXException {
aoqi@0	80	try {
aoqi@0	81	flushText();
aoqi@0	82
aoqi@0	83	int len = atts.getLength();
aoqi@0	84
aoqi@0	85	String p = getPrefix(qName);
aoqi@0	86
aoqi@0	87	// is this prefix going to be declared on this element?
aoqi@0	88	if(containsPrefixMapping(p,namespaceURI))
aoqi@0	89	serializer.startElementForce(namespaceURI,localName,p,null);
aoqi@0	90	else
aoqi@0	91	serializer.startElement(namespaceURI,localName, p,null);
aoqi@0	92
aoqi@0	93	// declare namespace events
aefimov@658	94	for (int i = 0; i < prefixMap.size(); i += 2) {
aoqi@0	95	// forcibly set this binding, instead of using declareNsUri.
aoqi@0	96	// this guarantees that namespaces used in DOM will show up
aoqi@0	97	// as-is in the marshalled output (instead of reassigned to something else,
aoqi@0	98	// which may happen if you'd use declareNsUri.)
aoqi@0	99	serializer.getNamespaceContext().force(
aefimov@658	100	prefixMap.get(i + 1), prefixMap.get(i));
aoqi@0	101	}
aoqi@0	102	// make sure namespaces needed by attributes are bound
aoqi@0	103	for( int i=0; i<len; i++ ) {
aoqi@0	104	String qname = atts.getQName(i);
aoqi@0	105	if(qname.startsWith("xmlns") || atts.getURI(i).length() == 0)
aoqi@0	106	continue;
aoqi@0	107	String prefix = getPrefix(qname);
aoqi@0	108
aoqi@0	109	serializer.getNamespaceContext().declareNamespace(
aefimov@658	110	atts.getURI(i), prefix, true );
aoqi@0	111	}
aoqi@0	112
aoqi@0	113	serializer.endNamespaceDecls(null);
aoqi@0	114	// fire attribute events
aoqi@0	115	for( int i=0; i<len; i++ ) {
aoqi@0	116	// be defensive.
aoqi@0	117	if(atts.getQName(i).startsWith("xmlns"))
aoqi@0	118	continue;
aoqi@0	119	serializer.attribute( atts.getURI(i), atts.getLocalName(i), atts.getValue(i));
aoqi@0	120	}
aoqi@0	121	prefixMap.clear();
aoqi@0	122	serializer.endAttributes();
aoqi@0	123	} catch (IOException e) {
aoqi@0	124	throw new SAXException2(e);
aoqi@0	125	} catch (XMLStreamException e) {
aoqi@0	126	throw new SAXException2(e);
aoqi@0	127	}
aoqi@0	128	}
aoqi@0	129
aefimov@658	130	// make sure namespaces needed by attributes are bound
aoqi@0	131	private String getPrefix(String qname) {
aoqi@0	132	int idx = qname.indexOf(':');
aefimov@658	133	String prefix = (idx == -1) ? "" : qname.substring(0, idx);
aoqi@0	134	return prefix;
aoqi@0	135	}
aoqi@0	136
aoqi@0	137	public void endElement(String namespaceURI, String localName, String qName) throws SAXException {
aoqi@0	138	try {
aoqi@0	139	flushText();
aoqi@0	140	serializer.endElement();
aoqi@0	141	} catch (IOException e) {
aoqi@0	142	throw new SAXException2(e);
aoqi@0	143	} catch (XMLStreamException e) {
aoqi@0	144	throw new SAXException2(e);
aoqi@0	145	}
aoqi@0	146	}
aoqi@0	147
aoqi@0	148	private void flushText() throws SAXException, IOException, XMLStreamException {
aoqi@0	149	if( text.length()!=0 ) {
aoqi@0	150	serializer.text(text.toString(),null);
aoqi@0	151	text.setLength(0);
aoqi@0	152	}
aoqi@0	153	}
aoqi@0	154
aoqi@0	155	public void characters(char[] ch, int start, int length) {
aoqi@0	156	text.append(ch,start,length);
aoqi@0	157	}
aoqi@0	158	}