1 /*
   2  * Copyright (c) 2013, 2017, 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.messaging.saaj.util.stax;
  27 
  28 import java.io.OutputStream;
  29 import java.util.Arrays;
  30 import java.util.Iterator;
  31 import java.util.UUID;
  32 
  33 import javax.activation.DataHandler;
  34 import javax.xml.bind.attachment.AttachmentMarshaller;
  35 import javax.xml.soap.SOAPException;
  36 import javax.xml.soap.SOAPMessage;
  37 import javax.xml.stream.XMLStreamException;
  38 
  39 import com.sun.xml.internal.org.jvnet.staxex.Base64Data;
  40 import com.sun.xml.internal.org.jvnet.staxex.BinaryText;
  41 import com.sun.xml.internal.org.jvnet.staxex.MtomEnabled;
  42 import com.sun.xml.internal.org.jvnet.staxex.NamespaceContextEx;
  43 import com.sun.xml.internal.org.jvnet.staxex.StreamingDataHandler;
  44 import com.sun.xml.internal.org.jvnet.staxex.XMLStreamWriterEx;
  45 import com.sun.xml.internal.org.jvnet.staxex.util.MtomStreamWriter;
  46 //
  47 //import com.sun.xml.internal.ws.api.message.saaj.SaajStaxWriter;
  48 //import com.sun.xml.internal.ws.developer.StreamingDataHandler;
  49 //import com.sun.xml.internal.ws.streaming.MtomStreamWriter;
  50 
  51 /**
  52  * SaajStaxWriterEx converts XMLStreamWriterEx calls to build an orasaaj SOAPMessage with BinaryTextImpl.
  53  *
  54  * @author shih-chang.chen@oracle.com
  55  */
  56 public class SaajStaxWriterEx extends SaajStaxWriter implements XMLStreamWriterEx, MtomStreamWriter {
  57 
  58     static final protected String xopNS = "http://www.w3.org/2004/08/xop/include";
  59     static final protected String Include = "Include";
  60     static final protected String href = "href";
  61 
  62     private enum State {xopInclude, others};
  63     private State state = State.others;
  64     private BinaryText binaryText;
  65 
  66     public SaajStaxWriterEx(SOAPMessage msg, String uri) throws SOAPException {
  67         super(msg, uri);
  68     }
  69 
  70     @Override
  71     public void writeStartElement(String prefix, String ln, String ns) throws XMLStreamException {
  72         if (xopNS.equals(ns) && Include.equals(ln)) {
  73             state = State.xopInclude;
  74             return;
  75         } else {
  76             super.writeStartElement(prefix, ln, ns);
  77         }
  78     }
  79 
  80     @Override
  81     public void writeEndElement() throws XMLStreamException {
  82         if (state.equals(State.xopInclude)) {
  83             state = State.others;
  84         } else {
  85             super.writeEndElement();
  86         }
  87     }
  88 
  89     @Override
  90     public void writeAttribute(String prefix, String ns, String ln, String value) throws XMLStreamException {
  91         if (binaryText != null && href.equals(ln)) {
  92             return;
  93         } else {
  94             super.writeAttribute(prefix, ns, ln, value);
  95         }
  96     }
  97 
  98 //    @Override
  99 //    public void writeComment(String data) throws XMLStreamException {
 100 //        ((ElementImpl)currentElement).addCommentNode(data);
 101 //    }
 102 //
 103 //    @Override
 104 //    public void writeCData(String data) throws XMLStreamException {
 105 //      CDataTextImpl cdt = new CDataTextImpl(soap.getSOAPPart(), data);
 106 //        currentElement.appendChild(cdt);
 107 //    }
 108 
 109     @Override
 110     public NamespaceContextEx getNamespaceContext() {
 111         return new NamespaceContextEx() {
 112             @Override
 113             public String getNamespaceURI(String prefix) {
 114                 return currentElement.getNamespaceURI(prefix);
 115             }
 116             @Override
 117             public String getPrefix(String namespaceURI) {
 118                 return currentElement.lookupPrefix(namespaceURI);
 119             }
 120             @Override
 121             public Iterator getPrefixes(final String namespaceURI) {
 122                 return new Iterator<String>() {
 123                     String prefix = getPrefix(namespaceURI);
 124                     @Override
 125                     public boolean hasNext() {
 126                         return (prefix != null);
 127                     }
 128                     @Override
 129                     public String next() {
 130                         if (prefix == null) throw new java.util.NoSuchElementException();
 131                         String next = prefix;
 132                         prefix = null;
 133                         return next;
 134                     }
 135                     @Override
 136                     public void remove() {}
 137                 };
 138             }
 139             @Override
 140             public Iterator<Binding> iterator() {
 141                 return new Iterator<Binding>() {
 142                     @Override
 143                     public boolean hasNext() { return false; }
 144                     @Override
 145                     public Binding next() { return null; }
 146                     @Override
 147                     public void remove() {}
 148                 };
 149             }
 150         };
 151     }
 152 
 153     @Override
 154     public void writeBinary(DataHandler data) throws XMLStreamException {
 155 //      binaryText = BinaryTextImpl.createBinaryTextFromDataHandler((MessageImpl)soap, null, currentElement.getOwnerDocument(), data);
 156 //      currentElement.appendChild(binaryText);
 157         addBinaryText(data);
 158     }
 159 
 160     @Override
 161     public OutputStream writeBinary(String arg0) throws XMLStreamException {
 162         return null;
 163     }
 164 
 165     @Override
 166     public void writeBinary(byte[] data, int offset, int length, String contentType) throws XMLStreamException {
 167 //        if (mtomThreshold == -1 || mtomThreshold > length) return null;
 168         byte[] bytes = (offset == 0 && length == data.length) ? data : Arrays.copyOfRange(data, offset, offset + length);
 169         if (currentElement instanceof MtomEnabled) {
 170             binaryText = ((MtomEnabled) currentElement).addBinaryText(bytes);
 171         } else {
 172             throw new IllegalStateException("The currentElement is not MtomEnabled " + currentElement);
 173         }
 174     }
 175 
 176     @Override
 177     public void writePCDATA(CharSequence arg0) throws XMLStreamException {
 178         if (arg0 instanceof Base64Data) {
 179             // The fix of StreamReaderBufferCreator preserves this dataHandler
 180             addBinaryText(((Base64Data) arg0).getDataHandler());
 181         } else {
 182             // We should not normally get here as we expect a DataHandler,
 183             // but this is the most general solution.  If we do get
 184             // something other than a Data Handler, create a Text node with
 185             // the data.  Another alternative would be to throw an exception,
 186             // but in the most general case, we don't know whether this input
 187             // is expected.
 188             try {
 189                 currentElement.addTextNode(arg0.toString());
 190             } catch (SOAPException e) {
 191                 throw new XMLStreamException("Cannot add Text node", e);
 192             }
 193         }
 194     }
 195 
 196     static private String encodeCid() {
 197         String cid = "example.jaxws.sun.com";
 198         String name = UUID.randomUUID() + "@";
 199         return name + cid;
 200     }
 201 
 202     private String addBinaryText(DataHandler data) {
 203         String hrefOrCid = null;
 204         if (data instanceof StreamingDataHandler) {
 205             hrefOrCid = ((StreamingDataHandler) data).getHrefCid();
 206         }
 207         if (hrefOrCid == null) hrefOrCid = encodeCid();
 208 
 209         String prefixedCid = (hrefOrCid.startsWith("cid:")) ? hrefOrCid : "cid:" + hrefOrCid;
 210         // Should we do the threshold processing on DataHandler ? But that would be
 211         // expensive as DataHolder need to read the data again from its source
 212       //binaryText = BinaryTextImpl.createBinaryTextFromDataHandler((MessageImpl) soap, prefixedCid, currentElement.getOwnerDocument(), data);
 213       //currentElement.appendChild(binaryText);
 214         if (currentElement instanceof MtomEnabled) {
 215             binaryText = ((MtomEnabled) currentElement).addBinaryText(prefixedCid, data);
 216         } else {
 217             throw new IllegalStateException("The currentElement is not MtomEnabled " + currentElement);
 218         }
 219         return hrefOrCid;
 220     }
 221 
 222     @Override
 223     public AttachmentMarshaller getAttachmentMarshaller() {
 224         return new AttachmentMarshaller() {
 225             @Override
 226             public String addMtomAttachment(DataHandler data, String ns, String ln) {
 227 //                if (mtomThreshold == -1) return null;
 228                 String hrefOrCid = addBinaryText(data);
 229 //                return binaryText.getHref();
 230                 return hrefOrCid;
 231             }
 232 
 233             @Override
 234             public String addMtomAttachment(byte[] data, int offset, int length, String mimeType, String ns, String ln) {
 235 //                if (mtomThreshold == -1 || mtomThreshold > length) return null;
 236                 byte[] bytes = (offset == 0 && length == data.length) ? data : Arrays.copyOfRange(data, offset, offset + length);
 237 //                binaryText = (BinaryTextImpl) ((ElementImpl) currentElement).addAsBase64TextNode(bytes);
 238                 if (currentElement instanceof MtomEnabled) {
 239                     binaryText = ((MtomEnabled) currentElement).addBinaryText(bytes);
 240                 } else {
 241                     throw new IllegalStateException("The currentElement is not MtomEnabled " + currentElement);
 242                 }
 243                 return binaryText.getHref();
 244             }
 245 
 246             @Override
 247             public String addSwaRefAttachment(DataHandler data) {
 248                 return "cid:"+encodeCid();
 249             }
 250 
 251             @Override
 252             public boolean isXOPPackage() {
 253                 return true;
 254             }
 255         };
 256     }
 257 }