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

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

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

author

aoqi

date

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

changeset 760

e530533619ec

parent 0

373ffda63c9a

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2011, 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.unmarshaller;
aoqi@0	27
aoqi@0	28	import javax.xml.namespace.NamespaceContext;
aoqi@0	29
aoqi@0	30	import org.xml.sax.Attributes;
aoqi@0	31	import org.xml.sax.SAXException;
aoqi@0	32
aoqi@0	33	/**
aoqi@0	34	* {@link XmlVisitor} decorator that interns all string tokens.
aoqi@0	35	*
aoqi@0	36	* @author Kohsuke Kawaguchi
aoqi@0	37	*/
aoqi@0	38	public final class InterningXmlVisitor implements XmlVisitor {
aoqi@0	39	private final XmlVisitor next;
aoqi@0	40
aoqi@0	41	private final AttributesImpl attributes = new AttributesImpl();
aoqi@0	42
aoqi@0	43	public InterningXmlVisitor(XmlVisitor next) {
aoqi@0	44	this.next = next;
aoqi@0	45	}
aoqi@0	46
aoqi@0	47	public void startDocument(LocatorEx locator, NamespaceContext nsContext) throws SAXException {
aoqi@0	48	next.startDocument(locator,nsContext);
aoqi@0	49	}
aoqi@0	50
aoqi@0	51	public void endDocument() throws SAXException {
aoqi@0	52	next.endDocument();
aoqi@0	53	}
aoqi@0	54
aoqi@0	55	public void startElement(TagName tagName ) throws SAXException {
aoqi@0	56	attributes.setAttributes(tagName.atts);
aoqi@0	57	tagName.atts = attributes;
aoqi@0	58	tagName.uri = intern(tagName.uri);
aoqi@0	59	tagName.local = intern(tagName.local);
aoqi@0	60	next.startElement(tagName);
aoqi@0	61	}
aoqi@0	62
aoqi@0	63	public void endElement(TagName tagName ) throws SAXException {
aoqi@0	64	tagName.uri = intern(tagName.uri);
aoqi@0	65	tagName.local = intern(tagName.local);
aoqi@0	66	next.endElement(tagName);
aoqi@0	67	}
aoqi@0	68
aoqi@0	69	public void startPrefixMapping( String prefix, String nsUri ) throws SAXException {
aoqi@0	70	next.startPrefixMapping(intern(prefix),intern(nsUri));
aoqi@0	71	}
aoqi@0	72
aoqi@0	73	public void endPrefixMapping( String prefix ) throws SAXException {
aoqi@0	74	next.endPrefixMapping(intern(prefix));
aoqi@0	75	}
aoqi@0	76
aoqi@0	77	public void text( CharSequence pcdata ) throws SAXException {
aoqi@0	78	next.text(pcdata);
aoqi@0	79	}
aoqi@0	80
aoqi@0	81	public UnmarshallingContext getContext() {
aoqi@0	82	return next.getContext();
aoqi@0	83	}
aoqi@0	84
aoqi@0	85	public TextPredictor getPredictor() {
aoqi@0	86	return next.getPredictor();
aoqi@0	87	}
aoqi@0	88
aoqi@0	89	private static class AttributesImpl implements Attributes {
aoqi@0	90	private Attributes core;
aoqi@0	91
aoqi@0	92	void setAttributes(Attributes att) {
aoqi@0	93	this.core = att;
aoqi@0	94	}
aoqi@0	95
aoqi@0	96	public int getIndex(String qName) {
aoqi@0	97	return core.getIndex(qName);
aoqi@0	98	}
aoqi@0	99
aoqi@0	100	public int getIndex(String uri, String localName) {
aoqi@0	101	return core.getIndex(uri, localName);
aoqi@0	102	}
aoqi@0	103
aoqi@0	104	public int getLength() {
aoqi@0	105	return core.getLength();
aoqi@0	106	}
aoqi@0	107
aoqi@0	108	public String getLocalName(int index) {
aoqi@0	109	return intern(core.getLocalName(index));
aoqi@0	110	}
aoqi@0	111
aoqi@0	112	public String getQName(int index) {
aoqi@0	113	return intern(core.getQName(index));
aoqi@0	114	}
aoqi@0	115
aoqi@0	116	public String getType(int index) {
aoqi@0	117	return intern(core.getType(index));
aoqi@0	118	}
aoqi@0	119
aoqi@0	120	public String getType(String qName) {
aoqi@0	121	return intern(core.getType(qName));
aoqi@0	122	}
aoqi@0	123
aoqi@0	124	public String getType(String uri, String localName) {
aoqi@0	125	return intern(core.getType(uri, localName));
aoqi@0	126	}
aoqi@0	127
aoqi@0	128	public String getURI(int index) {
aoqi@0	129	return intern(core.getURI(index));
aoqi@0	130	}
aoqi@0	131
aoqi@0	132	//
aoqi@0	133	// since values may vary a lot,
aoqi@0	134	// we don't (probably shouldn't) intern values.
aoqi@0	135	//
aoqi@0	136
aoqi@0	137	public String getValue(int index) {
aoqi@0	138	return core.getValue(index);
aoqi@0	139	}
aoqi@0	140
aoqi@0	141	public String getValue(String qName) {
aoqi@0	142	return core.getValue(qName);
aoqi@0	143	}
aoqi@0	144
aoqi@0	145	public String getValue(String uri, String localName) {
aoqi@0	146	return core.getValue(uri, localName);
aoqi@0	147	}
aoqi@0	148	}
aoqi@0	149
aoqi@0	150	private static String intern(String s) {
aoqi@0	151	if(s==null) return null;
aoqi@0	152	else return s.intern();
aoqi@0	153	}
aoqi@0	154	}