1 /*
   2  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.xml.internal.bind.v2.runtime.output;
  27 
  28 import java.io.IOException;
  29 
  30 import javax.xml.bind.attachment.AttachmentMarshaller;
  31 import javax.xml.stream.XMLStreamException;
  32 
  33 import com.sun.xml.internal.bind.v2.WellKnownNamespace;
  34 import com.sun.xml.internal.bind.v2.runtime.Name;
  35 import com.sun.xml.internal.bind.v2.runtime.XMLSerializer;
  36 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Base64Data;
  37 
  38 import org.xml.sax.SAXException;
  39 
  40 /**
  41  * {@link XmlOutput} decorator that supports MTOM.
  42  *
  43  * @author Kohsuke Kawaguchi
  44  */
  45 public final class MTOMXmlOutput extends XmlOutputAbstractImpl {
  46 
  47     private final XmlOutput next;
  48 
  49     /**
  50      * Remembers the last namespace URI and local name so that we can pass them to
  51      * {@link AttachmentMarshaller}.
  52      */
  53     private String nsUri,localName;
  54 
  55     public MTOMXmlOutput(XmlOutput next) {
  56         this.next = next;
  57     }
  58 
  59     public void startDocument(XMLSerializer serializer, boolean fragment, int[] nsUriIndex2prefixIndex, NamespaceContextImpl nsContext) throws IOException, SAXException, XMLStreamException {
  60         super.startDocument(serializer,fragment,nsUriIndex2prefixIndex, nsContext);
  61         next.startDocument(serializer, fragment, nsUriIndex2prefixIndex, nsContext);
  62     }
  63 
  64     public void endDocument(boolean fragment) throws IOException, SAXException, XMLStreamException {
  65         next.endDocument(fragment);
  66         super.endDocument(fragment);
  67     }
  68 
  69     public void beginStartTag(Name name) throws IOException, XMLStreamException {
  70         next.beginStartTag(name);
  71         this.nsUri = name.nsUri;
  72         this.localName = name.localName;
  73     }
  74 
  75     public void beginStartTag(int prefix, String localName) throws IOException, XMLStreamException {
  76         next.beginStartTag(prefix, localName);
  77         this.nsUri = nsContext.getNamespaceURI(prefix);
  78         this.localName = localName;
  79     }
  80 
  81     public void attribute( Name name, String value ) throws IOException, XMLStreamException {
  82         next.attribute(name, value);
  83     }
  84 
  85     public void attribute( int prefix, String localName, String value ) throws IOException, XMLStreamException {
  86         next.attribute(prefix, localName, value);
  87     }
  88 
  89     public void endStartTag() throws IOException, SAXException {
  90         next.endStartTag();
  91     }
  92 
  93     public void endTag(Name name) throws IOException, SAXException, XMLStreamException {
  94         next.endTag(name);
  95     }
  96 
  97     public void endTag(int prefix, String localName) throws IOException, SAXException, XMLStreamException {
  98         next.endTag(prefix, localName);
  99     }
 100 
 101     public void text( String value, boolean needsSeparatingWhitespace ) throws IOException, SAXException, XMLStreamException {
 102         next.text(value,needsSeparatingWhitespace);
 103     }
 104 
 105     public void text( Pcdata value, boolean needsSeparatingWhitespace ) throws IOException, SAXException, XMLStreamException {
 106         if(value instanceof Base64Data && !serializer.getInlineBinaryFlag()) {
 107             Base64Data b64d = (Base64Data) value;
 108             String cid;
 109             if(b64d.hasData())
 110                 cid = serializer.attachmentMarshaller.addMtomAttachment(
 111                                 b64d.get(),0,b64d.getDataLen(),b64d.getMimeType(),nsUri,localName);
 112             else
 113                 cid = serializer.attachmentMarshaller.addMtomAttachment(
 114                     b64d.getDataHandler(),nsUri,localName);
 115 
 116             if(cid!=null) {
 117                 nsContext.getCurrent().push();
 118                 int prefix = nsContext.declareNsUri(WellKnownNamespace.XOP,"xop",false);
 119                 beginStartTag(prefix,"Include");
 120                 attribute(-1,"href",cid);
 121                 endStartTag();
 122                 endTag(prefix,"Include");
 123                 nsContext.getCurrent().pop();
 124                 return;
 125             }
 126         }
 127         next.text(value, needsSeparatingWhitespace);
 128     }
 129 }