325N/A/*
325N/A * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
325N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
325N/A *
325N/A * This code is free software; you can redistribute it and/or modify it
325N/A * under the terms of the GNU General Public License version 2 only, as
325N/A * published by the Free Software Foundation. Oracle designates this
325N/A * particular file as subject to the "Classpath" exception as provided
325N/A * by Oracle in the LICENSE file that accompanied this code.
325N/A *
325N/A * This code is distributed in the hope that it will be useful, but WITHOUT
325N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
325N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
325N/A * version 2 for more details (a copy is included in the LICENSE file that
325N/A * accompanied this code).
325N/A *
325N/A * You should have received a copy of the GNU General Public License version
325N/A * 2 along with this work; if not, write to the Free Software Foundation,
325N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
325N/A *
325N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
325N/A * or visit www.oracle.com if you need additional information or have any
325N/A * questions.
325N/A */
325N/A
325N/Apackage com.sun.xml.internal.bind.v2.runtime.unmarshaller;
325N/A
325N/Aimport javax.xml.namespace.NamespaceContext;
325N/A
325N/Aimport org.xml.sax.Attributes;
325N/Aimport org.xml.sax.SAXException;
325N/A
325N/A/**
325N/A * {@link XmlVisitor} decorator that interns all string tokens.
325N/A *
325N/A * @author Kohsuke Kawaguchi
325N/A */
325N/Apublic final class InterningXmlVisitor implements XmlVisitor {
325N/A private final XmlVisitor next;
325N/A
325N/A private final AttributesImpl attributes = new AttributesImpl();
325N/A
325N/A public InterningXmlVisitor(XmlVisitor next) {
325N/A this.next = next;
325N/A }
325N/A
325N/A public void startDocument(LocatorEx locator, NamespaceContext nsContext) throws SAXException {
325N/A next.startDocument(locator,nsContext);
325N/A }
325N/A
325N/A public void endDocument() throws SAXException {
325N/A next.endDocument();
325N/A }
325N/A
325N/A public void startElement(TagName tagName ) throws SAXException {
325N/A attributes.setAttributes(tagName.atts);
325N/A tagName.atts = attributes;
325N/A tagName.uri = intern(tagName.uri);
325N/A tagName.local = intern(tagName.local);
325N/A next.startElement(tagName);
325N/A }
325N/A
325N/A public void endElement(TagName tagName ) throws SAXException {
325N/A tagName.uri = intern(tagName.uri);
325N/A tagName.local = intern(tagName.local);
325N/A next.endElement(tagName);
325N/A }
325N/A
325N/A public void startPrefixMapping( String prefix, String nsUri ) throws SAXException {
325N/A next.startPrefixMapping(intern(prefix),intern(nsUri));
325N/A }
325N/A
325N/A public void endPrefixMapping( String prefix ) throws SAXException {
325N/A next.endPrefixMapping(intern(prefix));
325N/A }
325N/A
325N/A public void text( CharSequence pcdata ) throws SAXException {
325N/A next.text(pcdata);
325N/A }
325N/A
325N/A public UnmarshallingContext getContext() {
325N/A return next.getContext();
325N/A }
325N/A
325N/A public TextPredictor getPredictor() {
325N/A return next.getPredictor();
325N/A }
325N/A
325N/A private static class AttributesImpl implements Attributes {
325N/A private Attributes core;
325N/A
325N/A void setAttributes(Attributes att) {
325N/A this.core = att;
325N/A }
325N/A
325N/A public int getIndex(String qName) {
325N/A return core.getIndex(qName);
325N/A }
325N/A
325N/A public int getIndex(String uri, String localName) {
325N/A return core.getIndex(uri, localName);
325N/A }
325N/A
325N/A public int getLength() {
325N/A return core.getLength();
325N/A }
325N/A
325N/A public String getLocalName(int index) {
325N/A return intern(core.getLocalName(index));
325N/A }
325N/A
325N/A public String getQName(int index) {
325N/A return intern(core.getQName(index));
325N/A }
325N/A
325N/A public String getType(int index) {
325N/A return intern(core.getType(index));
325N/A }
325N/A
325N/A public String getType(String qName) {
325N/A return intern(core.getType(qName));
325N/A }
325N/A
325N/A public String getType(String uri, String localName) {
325N/A return intern(core.getType(uri, localName));
325N/A }
325N/A
325N/A public String getURI(int index) {
325N/A return intern(core.getURI(index));
325N/A }
325N/A
325N/A //
325N/A // since values may vary a lot,
325N/A // we don't (probably shouldn't) intern values.
325N/A //
325N/A
325N/A public String getValue(int index) {
325N/A return core.getValue(index);
325N/A }
325N/A
325N/A public String getValue(String qName) {
325N/A return core.getValue(qName);
325N/A }
325N/A
325N/A public String getValue(String uri, String localName) {
325N/A return core.getValue(uri, localName);
325N/A }
325N/A }
325N/A
325N/A private static String intern(String s) {
325N/A if(s==null) return null;
325N/A else return s.intern();
325N/A }
325N/A}