| /* |
| * Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0, which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.glassfish.jaxb.runtime.v2.runtime; |
| |
| import com.sun.istack.FinalArrayList; |
| import com.sun.istack.SAXException2; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| import javax.xml.stream.XMLStreamException; |
| import java.io.IOException; |
| |
| /** |
| * Receives SAX2 events and send the equivalent events to |
| * {@link XMLSerializer} |
| * |
| * @author |
| * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) |
| */ |
| final class ContentHandlerAdaptor extends DefaultHandler { |
| |
| /** Stores newly declared prefix-URI mapping. */ |
| private final FinalArrayList<String> prefixMap = new FinalArrayList<String>(); |
| |
| /** Events will be sent to this object. */ |
| private final XMLSerializer serializer; |
| |
| private final StringBuffer text = new StringBuffer(); |
| |
| |
| ContentHandlerAdaptor( XMLSerializer _serializer ) { |
| this.serializer = _serializer; |
| } |
| |
| public void startDocument() { |
| prefixMap.clear(); |
| } |
| |
| public void startPrefixMapping(String prefix, String uri) { |
| prefixMap.add(prefix); |
| prefixMap.add(uri); |
| } |
| |
| private boolean containsPrefixMapping(String prefix, String uri) { |
| for( int i=0; i<prefixMap.size(); i+=2 ) { |
| if(prefixMap.get(i).equals(prefix) |
| && prefixMap.get(i+1).equals(uri)) |
| return true; |
| } |
| return false; |
| } |
| |
| public void startElement(String namespaceURI, String localName, String qName, Attributes atts) |
| throws SAXException { |
| try { |
| flushText(); |
| |
| int len = atts.getLength(); |
| |
| String p = getPrefix(qName); |
| |
| // is this prefix going to be declared on this element? |
| if(containsPrefixMapping(p,namespaceURI)) |
| serializer.startElementForce(namespaceURI,localName,p,null); |
| else |
| serializer.startElement(namespaceURI,localName, p,null); |
| |
| // declare namespace events |
| for (int i = 0; i < prefixMap.size(); i += 2) { |
| // forcibly set this binding, instead of using declareNsUri. |
| // this guarantees that namespaces used in DOM will show up |
| // as-is in the marshalled output (instead of reassigned to something else, |
| // which may happen if you'd use declareNsUri.) |
| serializer.getNamespaceContext().force( |
| prefixMap.get(i + 1), prefixMap.get(i)); |
| } |
| |
| // make sure namespaces needed by attributes are bound |
| for( int i=0; i<len; i++ ) { |
| String qname = atts.getQName(i); |
| if(qname.startsWith("xmlns") || atts.getURI(i).length() == 0) |
| continue; |
| String prefix = getPrefix(qname); |
| |
| serializer.getNamespaceContext().declareNamespace( |
| atts.getURI(i), prefix, true ); |
| } |
| |
| serializer.endNamespaceDecls(null); |
| // fire attribute events |
| for( int i=0; i<len; i++ ) { |
| // be defensive. |
| if(atts.getQName(i).startsWith("xmlns")) |
| continue; |
| serializer.attribute( atts.getURI(i), atts.getLocalName(i), atts.getValue(i)); |
| } |
| prefixMap.clear(); |
| serializer.endAttributes(); |
| } catch (IOException e) { |
| throw new SAXException2(e); |
| } catch (XMLStreamException e) { |
| throw new SAXException2(e); |
| } |
| } |
| |
| private String getPrefix(String qname) { |
| int idx = qname.indexOf(':'); |
| String prefix = (idx == -1) ? "" : qname.substring(0, idx); |
| return prefix; |
| } |
| |
| public void endElement(String namespaceURI, String localName, String qName) throws SAXException { |
| try { |
| flushText(); |
| serializer.endElement(); |
| } catch (IOException e) { |
| throw new SAXException2(e); |
| } catch (XMLStreamException e) { |
| throw new SAXException2(e); |
| } |
| } |
| |
| private void flushText() throws SAXException, IOException, XMLStreamException { |
| if( text.length()!=0 ) { |
| serializer.text(text.toString(),null); |
| text.setLength(0); |
| } |
| } |
| |
| public void characters(char[] ch, int start, int length) { |
| text.append(ch,start,length); |
| } |
| } |