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/SAXConnector.java Tue Mar 06 16:09:35 2012 -0800
1.3 @@ -0,0 +1,170 @@
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.bind.JAXBException;
1.32 +import javax.xml.bind.UnmarshallerHandler;
1.33 +
1.34 +import com.sun.xml.internal.bind.WhiteSpaceProcessor;
1.35 +import com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl;
1.36 +
1.37 +import org.xml.sax.Attributes;
1.38 +import org.xml.sax.Locator;
1.39 +import org.xml.sax.SAXException;
1.40 +
1.41 +/**
1.42 + * Receives SAX events and convert them to our internal events.
1.43 + *
1.44 + * @author Kohsuke Kawaguchi
1.45 + */
1.46 +public final class SAXConnector implements UnmarshallerHandler {
1.47 +
1.48 + private LocatorEx loc;
1.49 +
1.50 + /**
1.51 + * SAX may fire consecutive characters event, but we don't allow it.
1.52 + * so use this buffer to perform buffering.
1.53 + */
1.54 + private final StringBuilder buffer = new StringBuilder();
1.55 +
1.56 + private final XmlVisitor next;
1.57 + private final UnmarshallingContext context;
1.58 + private final XmlVisitor.TextPredictor predictor;
1.59 +
1.60 + private static final class TagNameImpl extends TagName {
1.61 + String qname;
1.62 + public String getQname() {
1.63 + return qname;
1.64 + }
1.65 + }
1.66 +
1.67 + private final TagNameImpl tagName = new TagNameImpl();
1.68 +
1.69 + /**
1.70 + * @param externalLocator
1.71 + * If the caller is producing SAX events from sources other than Unicode and angle brackets,
1.72 + * the caller can override the default SAX {@link Locator} object by this object
1.73 + * to provide better location information.
1.74 + */
1.75 + public SAXConnector(XmlVisitor next, LocatorEx externalLocator ) {
1.76 + this.next = next;
1.77 + this.context = next.getContext();
1.78 + this.predictor = next.getPredictor();
1.79 + this.loc = externalLocator;
1.80 + }
1.81 +
1.82 + public Object getResult() throws JAXBException, IllegalStateException {
1.83 + return context.getResult();
1.84 + }
1.85 +
1.86 + public UnmarshallingContext getContext() {
1.87 + return context;
1.88 + }
1.89 +
1.90 + public void setDocumentLocator(final Locator locator) {
1.91 + if(loc!=null)
1.92 + return; // we already have an external locator. ignore.
1.93 +
1.94 + this.loc = new LocatorExWrapper(locator);
1.95 + }
1.96 +
1.97 + public void startDocument() throws SAXException {
1.98 + next.startDocument(loc,null);
1.99 + }
1.100 +
1.101 + public void endDocument() throws SAXException {
1.102 + next.endDocument();
1.103 + }
1.104 +
1.105 + public void startPrefixMapping(String prefix, String uri) throws SAXException {
1.106 + next.startPrefixMapping(prefix,uri);
1.107 + }
1.108 +
1.109 + public void endPrefixMapping(String prefix) throws SAXException {
1.110 + next.endPrefixMapping(prefix);
1.111 + }
1.112 +
1.113 + public void startElement(String uri, String local, String qname, Attributes atts) throws SAXException {
1.114 + // work gracefully with misconfigured parsers that don't support namespaces
1.115 + if( uri==null || uri.length()==0 )
1.116 + uri="";
1.117 + if( local==null || local.length()==0 )
1.118 + local=qname;
1.119 + if( qname==null || qname.length()==0 )
1.120 + qname=local;
1.121 +
1.122 +
1.123 + boolean ignorable = true;
1.124 + StructureLoader sl;
1.125 +
1.126 + // not null only if element content is processed (StructureLoader is used)
1.127 + // ugly
1.128 + if((sl = this.context.getStructureLoader()) != null) {
1.129 + ignorable = ((ClassBeanInfoImpl)sl.getBeanInfo()).hasElementOnlyContentModel();
1.130 + }
1.131 +
1.132 + processText(ignorable);
1.133 +
1.134 + tagName.uri = uri;
1.135 + tagName.local = local;
1.136 + tagName.qname = qname;
1.137 + tagName.atts = atts;
1.138 + next.startElement(tagName);
1.139 + }
1.140 +
1.141 + public void endElement(String uri, String localName, String qName) throws SAXException {
1.142 + processText(false);
1.143 + tagName.uri = uri;
1.144 + tagName.local = localName;
1.145 + tagName.qname = qName;
1.146 + next.endElement(tagName);
1.147 + }
1.148 +
1.149 +
1.150 + public final void characters( char[] buf, int start, int len ) {
1.151 + if( predictor.expectText() )
1.152 + buffer.append(buf,start,len);
1.153 + }
1.154 +
1.155 + public final void ignorableWhitespace( char[] buf, int start, int len ) {
1.156 + characters(buf,start,len);
1.157 + }
1.158 +
1.159 + public void processingInstruction(String target, String data) {
1.160 + // nop
1.161 + }
1.162 +
1.163 + public void skippedEntity(String name) {
1.164 + // nop
1.165 + }
1.166 +
1.167 + private void processText( boolean ignorable ) throws SAXException {
1.168 + if( predictor.expectText() && (!ignorable || !WhiteSpaceProcessor.isWhiteSpace(buffer)))
1.169 + next.text(buffer);
1.170 + buffer.setLength(0);
1.171 + }
1.172 +
1.173 +}
