| /* |
| * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.bind.v2.runtime.unmarshaller; |
| |
| import com.sun.xml.internal.bind.Util; |
| import javax.xml.bind.JAXBException; |
| import javax.xml.bind.UnmarshallerHandler; |
| |
| import com.sun.xml.internal.bind.WhiteSpaceProcessor; |
| import com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import org.xml.sax.Attributes; |
| import org.xml.sax.Locator; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * Receives SAX events and convert them to our internal events. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| public final class SAXConnector implements UnmarshallerHandler { |
| |
| private LocatorEx loc; |
| |
| private static final Logger logger = Util.getClassLogger(); |
| |
| /** |
| * SAX may fire consecutive characters event, but we don't allow it. |
| * so use this buffer to perform buffering. |
| */ |
| private final StringBuilder buffer = new StringBuilder(); |
| |
| private final XmlVisitor next; |
| private final UnmarshallingContext context; |
| private final XmlVisitor.TextPredictor predictor; |
| |
| private static final class TagNameImpl extends TagName { |
| String qname; |
| @Override |
| public String getQname() { |
| return qname; |
| } |
| } |
| |
| private final TagNameImpl tagName = new TagNameImpl(); |
| |
| /** |
| * @param externalLocator |
| * If the caller is producing SAX events from sources other than Unicode and angle brackets, |
| * the caller can override the default SAX {@link Locator} object by this object |
| * to provide better location information. |
| */ |
| public SAXConnector(XmlVisitor next, LocatorEx externalLocator ) { |
| this.next = next; |
| this.context = next.getContext(); |
| this.predictor = next.getPredictor(); |
| this.loc = externalLocator; |
| } |
| |
| @Override |
| public Object getResult() throws JAXBException, IllegalStateException { |
| return context.getResult(); |
| } |
| |
| public UnmarshallingContext getContext() { |
| return context; |
| } |
| |
| @Override |
| public void setDocumentLocator(final Locator locator) { |
| if(loc!=null) |
| return; // we already have an external locator. ignore. |
| |
| this.loc = new LocatorExWrapper(locator); |
| } |
| |
| @Override |
| public void startDocument() throws SAXException { |
| if (logger.isLoggable(Level.FINER)) { |
| logger.log(Level.FINER, "SAXConnector.startDocument"); |
| } |
| next.startDocument(loc,null); |
| } |
| |
| @Override |
| public void endDocument() throws SAXException { |
| if (logger.isLoggable(Level.FINER)) { |
| logger.log(Level.FINER, "SAXConnector.endDocument"); |
| } |
| next.endDocument(); |
| } |
| |
| @Override |
| public void startPrefixMapping(String prefix, String uri) throws SAXException { |
| if (logger.isLoggable(Level.FINER)) { |
| logger.log(Level.FINER, "SAXConnector.startPrefixMapping: {0}:{1}", new Object[]{prefix, uri}); |
| } |
| next.startPrefixMapping(prefix,uri); |
| } |
| |
| @Override |
| public void endPrefixMapping(String prefix) throws SAXException { |
| if (logger.isLoggable(Level.FINER)) { |
| logger.log(Level.FINER, "SAXConnector.endPrefixMapping: {0}", new Object[]{prefix}); |
| } |
| next.endPrefixMapping(prefix); |
| } |
| |
| @Override |
| public void startElement(String uri, String local, String qname, Attributes atts) throws SAXException { |
| if (logger.isLoggable(Level.FINER)) { |
| logger.log(Level.FINER, "SAXConnector.startElement: {0}:{1}:{2}, attrs: {3}", new Object[]{uri, local, qname, atts}); |
| } |
| // work gracefully with misconfigured parsers that don't support namespaces |
| if( uri==null || uri.length()==0 ) |
| uri=""; |
| if( local==null || local.length()==0 ) |
| local=qname; |
| if( qname==null || qname.length()==0 ) |
| qname=local; |
| |
| processText(!context.getCurrentState().isMixed()); |
| |
| tagName.uri = uri; |
| tagName.local = local; |
| tagName.qname = qname; |
| tagName.atts = atts; |
| next.startElement(tagName); |
| } |
| |
| @Override |
| public void endElement(String uri, String localName, String qName) throws SAXException { |
| if (logger.isLoggable(Level.FINER)) { |
| logger.log(Level.FINER, "SAXConnector.startElement: {0}:{1}:{2}", new Object[]{uri, localName, qName}); |
| } |
| processText(false); |
| tagName.uri = uri; |
| tagName.local = localName; |
| tagName.qname = qName; |
| next.endElement(tagName); |
| } |
| |
| |
| @Override |
| public final void characters( char[] buf, int start, int len ) { |
| if (logger.isLoggable(Level.FINEST)) { |
| logger.log(Level.FINEST, "SAXConnector.characters: {0}", buf); |
| } |
| if( predictor.expectText() ) |
| buffer.append(buf,start,len); |
| } |
| |
| @Override |
| public final void ignorableWhitespace( char[] buf, int start, int len ) { |
| if (logger.isLoggable(Level.FINEST)) { |
| logger.log(Level.FINEST, "SAXConnector.characters{0}", buf); |
| } |
| characters(buf,start,len); |
| } |
| |
| @Override |
| public void processingInstruction(String target, String data) { |
| // nop |
| } |
| |
| @Override |
| public void skippedEntity(String name) { |
| // nop |
| } |
| |
| private void processText( boolean ignorable ) throws SAXException { |
| if (predictor.expectText() && (!ignorable || !WhiteSpaceProcessor.isWhiteSpace(buffer))) |
| next.text(buffer); |
| buffer.setLength(0); |
| } |
| |
| } |