1 /*
   2  * Copyright (c) 2013, 2014, 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     public void writeStartElement(String prefix, String ln, String ns) throws XMLStreamException {
  71         if (xopNS.equals(ns) && Include.equals(ln)) {
  72             state = State.xopInclude;
  73             return;
  74         } else {
  75             super.writeStartElement(prefix, ln, ns);
  76         }
  77     }
  78 
  79     @Override
  80     public void writeEndElement() throws XMLStreamException {
  81         if (state.equals(State.xopInclude)) {
  82             state = State.others;
  83         } else {
  84             super.writeEndElement();
  85         }
  86     }
  87 
  88     @Override
  89     public void writeAttribute(String prefix, String ns, String ln, String value) throws XMLStreamException {
  90         if (binaryText != null && href.equals(ln)) {
  91             return;
  92         } else {
  93             super.writeAttribute(prefix, ns, ln, value);
  94         }
  95     }
  96 
  97 //    @Override
  98 //    public void writeComment(String data) throws XMLStreamException {
  99 //        ((ElementImpl)currentElement).addCommentNode(data);
 100 //    }
 101 //
 102 //    @Override
 103 //    public void writeCData(String data) throws XMLStreamException {
 104 //      CDataTextImpl cdt = new CDataTextImpl(soap.getSOAPPart(), data);
 105 //        currentElement.appendChild(cdt);
 106 //    }
 107 
 108     @Override
 109     public NamespaceContextEx getNamespaceContext() {
 110         return new NamespaceContextEx() {
 111             public String getNamespaceURI(String prefix) {
 112                 return currentElement.getNamespaceURI(prefix);
 113             }
 114             public String getPrefix(String namespaceURI) {
 115                 return currentElement.lookupPrefix(namespaceURI);
 116             }
 117             public Iterator getPrefixes(final String namespaceURI) {
 118                 return new Iterator<String>() {
 119                     String prefix = getPrefix(namespaceURI);
 120                     public boolean hasNext() {
 121                         return (prefix != null);
 122                     }
 123                     public String next() {
 124                         if (prefix == null) throw new java.util.NoSuchElementException();
 125                         String next = prefix;
 126                         prefix = null;
 127                         return next;
 128                     }
 129                     public void remove() {}
 130                 };
 131             }
 132             public Iterator<Binding> iterator() {
 133                 return new Iterator<Binding>() {
 134                     public boolean hasNext() { return false; }
 135                     public Binding next() { return null; }
 136                     public void remove() {}
 137                 };
 138             }
 139         };
 140     }
 141 
 142     @Override
 143     public void writeBinary(DataHandler data) throws XMLStreamException {
 144 //      binaryText = BinaryTextImpl.createBinaryTextFromDataHandler((MessageImpl)soap, null, currentElement.getOwnerDocument(), data);
 145 //      currentElement.appendChild(binaryText);
 146         addBinaryText(data);
 147     }
 148 
 149     @Override
 150     public OutputStream writeBinary(String arg0) throws XMLStreamException {
 151         return null;
 152     }
 153 
 154     @Override
 155     public void writeBinary(byte[] data, int offset, int length, String contentType) throws XMLStreamException {
 156 //        if (mtomThreshold == -1 || mtomThreshold > length) return null;
 157         byte[] bytes = (offset == 0 && length == data.length) ? data : Arrays.copyOfRange(data, offset, offset + length);
 158         if (currentElement instanceof MtomEnabled) {
 159             binaryText = ((MtomEnabled) currentElement).addBinaryText(bytes);
 160         } else {
 161             throw new IllegalStateException("The currentElement is not MtomEnabled " + currentElement);
 162         }
 163     }
 164 
 165     @Override
 166     public void writePCDATA(CharSequence arg0) throws XMLStreamException {
 167         if (arg0 instanceof Base64Data) {
 168             // The fix of StreamReaderBufferCreator preserves this dataHandler
 169             addBinaryText(((Base64Data) arg0).getDataHandler());
 170         } else {
 171             // We should not normally get here as we expect a DataHandler,
 172             // but this is the most general solution.  If we do get
 173             // something other than a Data Handler, create a Text node with
 174             // the data.  Another alternative would be to throw an exception,
 175             // but in the most general case, we don't know whether this input
 176             // is expected.
 177             try {
 178                 currentElement.addTextNode(arg0.toString());
 179             } catch (SOAPException e) {
 180                 throw new XMLStreamException("Cannot add Text node", e);
 181             }
 182         }
 183     }
 184 
 185     static private String encodeCid() {
 186         String cid = "example.jaxws.sun.com";
 187         String name = UUID.randomUUID() + "@";
 188         return name + cid;
 189     }
 190 
 191     private String addBinaryText(DataHandler data) {
 192         String hrefOrCid = null;
 193         if (data instanceof StreamingDataHandler) {
 194             hrefOrCid = ((StreamingDataHandler) data).getHrefCid();
 195         }
 196         if (hrefOrCid == null) hrefOrCid = encodeCid();
 197 
 198         String prefixedCid = (hrefOrCid.startsWith("cid:")) ? hrefOrCid : "cid:" + hrefOrCid;
 199         // Should we do the threshold processing on DataHandler ? But that would be
 200         // expensive as DataHolder need to read the data again from its source
 201       //binaryText = BinaryTextImpl.createBinaryTextFromDataHandler((MessageImpl) soap, prefixedCid, currentElement.getOwnerDocument(), data);
 202       //currentElement.appendChild(binaryText);
 203         if (currentElement instanceof MtomEnabled) {
 204             binaryText = ((MtomEnabled) currentElement).addBinaryText(prefixedCid, data);
 205         } else {
 206             throw new IllegalStateException("The currentElement is not MtomEnabled " + currentElement);
 207         }
 208         return hrefOrCid;
 209     }
 210 
 211     public AttachmentMarshaller getAttachmentMarshaller() {
 212         return new AttachmentMarshaller() {
 213             @Override
 214             public String addMtomAttachment(DataHandler data, String ns, String ln) {
 215 //                if (mtomThreshold == -1) return null;
 216                 String hrefOrCid = addBinaryText(data);
 217 //                return binaryText.getHref();
 218                 return hrefOrCid;
 219             }
 220 
 221             @Override
 222             public String addMtomAttachment(byte[] data, int offset, int length, String mimeType, String ns, String ln) {
 223 //                if (mtomThreshold == -1 || mtomThreshold > length) return null;
 224                 byte[] bytes = (offset == 0 && length == data.length) ? data : Arrays.copyOfRange(data, offset, offset + length);
 225 //                binaryText = (BinaryTextImpl) ((ElementImpl) currentElement).addAsBase64TextNode(bytes);
 226                 if (currentElement instanceof MtomEnabled) {
 227                     binaryText = ((MtomEnabled) currentElement).addBinaryText(bytes);
 228                 } else {
 229                     throw new IllegalStateException("The currentElement is not MtomEnabled " + currentElement);
 230                 }
 231                 return binaryText.getHref();
 232             }
 233 
 234             @Override
 235             public String addSwaRefAttachment(DataHandler data) {
 236                 return "cid:"+encodeCid();
 237             }
 238 
 239             @Override
 240             public boolean isXOPPackage() {
 241                 return true;
 242             }
 243         };
 244     }
 245 }