jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/util/xml/XMLStreamReaderToXMLStreamWriter.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/ws/util/xml/XMLStreamReaderToXMLStreamWriter.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/ws/util/xml/XMLStreamReaderToXMLStreamWriter.java

Thu, 31 Aug 2017 15:18:52 +0800

author: aoqi
date: Thu, 31 Aug 2017 15:18:52 +0800
changeset 637: 9c07ef4934dd
parent 368: 0989ad8c0860
parent 0: 373ffda63c9a
permissions: -rw-r--r--

merge

 /*
  * Copyright (c) 1997, 2013, 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.ws.util.xml;
 import java.io.IOException;
 import javax.xml.bind.attachment.AttachmentMarshaller;
 import javax.xml.stream.XMLStreamConstants;
 import javax.xml.stream.XMLStreamException;
 import javax.xml.stream.XMLStreamReader;
 import javax.xml.stream.XMLStreamWriter;
 import javax.xml.XMLConstants;
 import com.sun.xml.internal.ws.streaming.MtomStreamWriter;
 import com.sun.xml.internal.org.jvnet.staxex.Base64Data;
 import com.sun.xml.internal.org.jvnet.staxex.XMLStreamReaderEx;
 import com.sun.xml.internal.org.jvnet.staxex.XMLStreamWriterEx;
 /**
  * Reads a sub-tree from {@link XMLStreamReader} and writes to {@link XMLStreamWriter}
  * as-is.
  *
  * <p>
  * This class can be sub-classed to implement a simple transformation logic.
  *
  * @author Kohsuke Kawaguchi
  * @author Ryan Shoemaker
  */
 public class XMLStreamReaderToXMLStreamWriter {
     private static final int BUF_SIZE = 4096;
     protected XMLStreamReader in;
     protected XMLStreamWriter out;
     private char[] buf;
     boolean optimizeBase64Data = false;
     AttachmentMarshaller mtomAttachmentMarshaller;
     /**
      * Reads one subtree and writes it out.
      *
      * <p>
      * The {@link XMLStreamWriter} never receives a start/end document event.
      * Those need to be written separately by the caller.
      */
     public void bridge(XMLStreamReader in, XMLStreamWriter out) throws XMLStreamException {
         assert in!=null && out!=null;
         this.in = in;
         this.out = out;
         optimizeBase64Data = (in instanceof XMLStreamReaderEx);
         if (out instanceof XMLStreamWriterEx && out instanceof MtomStreamWriter) {
             mtomAttachmentMarshaller = ((MtomStreamWriter) out).getAttachmentMarshaller();
         }
         // remembers the nest level of elements to know when we are done.
         int depth=0;
         buf = new char[BUF_SIZE];
         // if the parser is at the start tag, proceed to the first element
         int event = in.getEventType();
         if(event == XMLStreamConstants.START_DOCUMENT) {
             // nextTag doesn't correctly handle DTDs
             while( !in.isStartElement() ) {
                 event = in.next();
                 if (event == XMLStreamConstants.COMMENT)
                     handleComment();
             }
         }
         if( event!=XMLStreamConstants.START_ELEMENT)
             throw new IllegalStateException("The current event is not START_ELEMENT\n but " + event);
         do {
             // These are all of the events listed in the javadoc for
             // XMLEvent.
             // The spec only really describes 11 of them.
             switch (event) {
                 case XMLStreamConstants.START_ELEMENT :
                     depth++;
                     handleStartElement();
                     break;
                 case XMLStreamConstants.END_ELEMENT :
                     handleEndElement();
                     depth--;
                     if(depth==0)
                         return;
                     break;
                 case XMLStreamConstants.CHARACTERS :
                     handleCharacters();
                     break;
                 case XMLStreamConstants.ENTITY_REFERENCE :
                     handleEntityReference();
                     break;
                 case XMLStreamConstants.PROCESSING_INSTRUCTION :
                     handlePI();
                     break;
                 case XMLStreamConstants.COMMENT :
                     handleComment();
                     break;
                 case XMLStreamConstants.DTD :
                     handleDTD();
                     break;
                 case XMLStreamConstants.CDATA :
                     handleCDATA();
                     break;
                 case XMLStreamConstants.SPACE :
                     handleSpace();
                     break;
                 case XMLStreamConstants.END_DOCUMENT:
                     throw new XMLStreamException("Malformed XML at depth="+depth+", Reached EOF. Event="+event);
                 default :
                     throw new XMLStreamException("Cannot process event: " + event);
             }
             event=in.next();
         } while (depth!=0);
     }
     protected void handlePI() throws XMLStreamException {
         out.writeProcessingInstruction(
             in.getPITarget(),
             in.getPIData());
     }
     protected void handleCharacters() throws XMLStreamException {
         CharSequence c = null;
         if (optimizeBase64Data) {
             c = ((XMLStreamReaderEx)in).getPCDATA();
         }
         if ((c != null) && (c instanceof Base64Data)) {
             if (mtomAttachmentMarshaller != null) {
                 Base64Data b64d = (Base64Data) c;
                 ((XMLStreamWriterEx)out).writeBinary(b64d.getDataHandler());
             } else {
                 try {
                     ((Base64Data)c).writeTo(out);
                 } catch (IOException e) {
                     throw new XMLStreamException(e);
                 }
             }
         } else {
             for (int start=0,read=buf.length; read == buf.length; start+=buf.length) {
                 read = in.getTextCharacters(start, buf, 0, buf.length);
                 out.writeCharacters(buf, 0, read);
             }
         }
     }
     protected void handleEndElement() throws XMLStreamException {
         out.writeEndElement();
     }
     protected void handleStartElement() throws XMLStreamException {
         String nsUri = in.getNamespaceURI();
         if(nsUri==null)
             out.writeStartElement(in.getLocalName());
         else
             out.writeStartElement(
                 fixNull(in.getPrefix()),
                 in.getLocalName(),
                 nsUri
             );
         // start namespace bindings
         int nsCount = in.getNamespaceCount();
         for (int i = 0; i < nsCount; i++) {
             out.writeNamespace(
                 in.getNamespacePrefix(i),
                 fixNull(in.getNamespaceURI(i)));    // zephyr doesn't like null, I don't know what is correct, so just fix null to "" for now
         }
         // write attributes
         int attCount = in.getAttributeCount();
         for (int i = 0; i < attCount; i++) {
             handleAttribute(i);
         }
     }
     /**
      * Writes out the {@code i}-th attribute of the current element.
      *
      * <p>
      * Used from {@link #handleStartElement()}.
      */
     protected void handleAttribute(int i) throws XMLStreamException {
         String nsUri = in.getAttributeNamespace(i);
         String prefix = in.getAttributePrefix(i);
          if (fixNull(nsUri).equals(XMLConstants.XMLNS_ATTRIBUTE_NS_URI)) {
              //Its a namespace decl, ignore as it is already written.
              return;
          }
         if(nsUri==null || prefix == null || prefix.equals("")) {
             out.writeAttribute(
                 in.getAttributeLocalName(i),
                 in.getAttributeValue(i)
             );
         } else {
             out.writeAttribute(
                 prefix,
                 nsUri,
                 in.getAttributeLocalName(i),
                 in.getAttributeValue(i)
             );
         }
     }
     protected void handleDTD() throws XMLStreamException {
         out.writeDTD(in.getText());
     }
     protected void handleComment() throws XMLStreamException {
         out.writeComment(in.getText());
     }
     protected void handleEntityReference() throws XMLStreamException {
         out.writeEntityRef(in.getText());
     }
     protected void handleSpace() throws XMLStreamException {
         handleCharacters();
     }
     protected void handleCDATA() throws XMLStreamException {
         out.writeCData(in.getText());
     }
     private static String fixNull(String s) {
         if(s==null)     return "";
         else            return s;
     }
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

src/share/jaxws_classes/com/sun/xml/internal/ws/util/xml/XMLStreamReaderToXMLStreamWriter.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/ws/util/xml/XMLStreamReaderToXMLStreamWriter.java