1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/InterningXmlVisitor.java Wed Apr 27 01:27:09 2016 +0800
1.3 @@ -0,0 +1,154 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package com.sun.xml.internal.bind.v2.runtime.unmarshaller;
1.30 +
1.31 +import javax.xml.namespace.NamespaceContext;
1.32 +
1.33 +import org.xml.sax.Attributes;
1.34 +import org.xml.sax.SAXException;
1.35 +
1.36 +/**
1.37 + * {@link XmlVisitor} decorator that interns all string tokens.
1.38 + *
1.39 + * @author Kohsuke Kawaguchi
1.40 + */
1.41 +public final class InterningXmlVisitor implements XmlVisitor {
1.42 + private final XmlVisitor next;
1.43 +
1.44 + private final AttributesImpl attributes = new AttributesImpl();
1.45 +
1.46 + public InterningXmlVisitor(XmlVisitor next) {
1.47 + this.next = next;
1.48 + }
1.49 +
1.50 + public void startDocument(LocatorEx locator, NamespaceContext nsContext) throws SAXException {
1.51 + next.startDocument(locator,nsContext);
1.52 + }
1.53 +
1.54 + public void endDocument() throws SAXException {
1.55 + next.endDocument();
1.56 + }
1.57 +
1.58 + public void startElement(TagName tagName ) throws SAXException {
1.59 + attributes.setAttributes(tagName.atts);
1.60 + tagName.atts = attributes;
1.61 + tagName.uri = intern(tagName.uri);
1.62 + tagName.local = intern(tagName.local);
1.63 + next.startElement(tagName);
1.64 + }
1.65 +
1.66 + public void endElement(TagName tagName ) throws SAXException {
1.67 + tagName.uri = intern(tagName.uri);
1.68 + tagName.local = intern(tagName.local);
1.69 + next.endElement(tagName);
1.70 + }
1.71 +
1.72 + public void startPrefixMapping( String prefix, String nsUri ) throws SAXException {
1.73 + next.startPrefixMapping(intern(prefix),intern(nsUri));
1.74 + }
1.75 +
1.76 + public void endPrefixMapping( String prefix ) throws SAXException {
1.77 + next.endPrefixMapping(intern(prefix));
1.78 + }
1.79 +
1.80 + public void text( CharSequence pcdata ) throws SAXException {
1.81 + next.text(pcdata);
1.82 + }
1.83 +
1.84 + public UnmarshallingContext getContext() {
1.85 + return next.getContext();
1.86 + }
1.87 +
1.88 + public TextPredictor getPredictor() {
1.89 + return next.getPredictor();
1.90 + }
1.91 +
1.92 + private static class AttributesImpl implements Attributes {
1.93 + private Attributes core;
1.94 +
1.95 + void setAttributes(Attributes att) {
1.96 + this.core = att;
1.97 + }
1.98 +
1.99 + public int getIndex(String qName) {
1.100 + return core.getIndex(qName);
1.101 + }
1.102 +
1.103 + public int getIndex(String uri, String localName) {
1.104 + return core.getIndex(uri, localName);
1.105 + }
1.106 +
1.107 + public int getLength() {
1.108 + return core.getLength();
1.109 + }
1.110 +
1.111 + public String getLocalName(int index) {
1.112 + return intern(core.getLocalName(index));
1.113 + }
1.114 +
1.115 + public String getQName(int index) {
1.116 + return intern(core.getQName(index));
1.117 + }
1.118 +
1.119 + public String getType(int index) {
1.120 + return intern(core.getType(index));
1.121 + }
1.122 +
1.123 + public String getType(String qName) {
1.124 + return intern(core.getType(qName));
1.125 + }
1.126 +
1.127 + public String getType(String uri, String localName) {
1.128 + return intern(core.getType(uri, localName));
1.129 + }
1.130 +
1.131 + public String getURI(int index) {
1.132 + return intern(core.getURI(index));
1.133 + }
1.134 +
1.135 + //
1.136 + // since values may vary a lot,
1.137 + // we don't (probably shouldn't) intern values.
1.138 + //
1.139 +
1.140 + public String getValue(int index) {
1.141 + return core.getValue(index);
1.142 + }
1.143 +
1.144 + public String getValue(String qName) {
1.145 + return core.getValue(qName);
1.146 + }
1.147 +
1.148 + public String getValue(String uri, String localName) {
1.149 + return core.getValue(uri, localName);
1.150 + }
1.151 + }
1.152 +
1.153 + private static String intern(String s) {
1.154 + if(s==null) return null;
1.155 + else return s.intern();
1.156 + }
1.157 +}
