src/share/jaxws_classes/com/sun/xml/internal/ws/message/stream/StreamMessage.java

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@@ -28,51 +28,61 @@
 import com.sun.istack.internal.NotNull;
 import com.sun.istack.internal.Nullable;
 import com.sun.istack.internal.XMLStreamReaderToContentHandler;
 import com.sun.xml.internal.bind.api.Bridge;
 import com.sun.xml.internal.stream.buffer.MutableXMLStreamBuffer;
+import com.sun.xml.internal.stream.buffer.XMLStreamBuffer;
+import com.sun.xml.internal.stream.buffer.XMLStreamBufferMark;
 import com.sun.xml.internal.stream.buffer.stax.StreamReaderBufferCreator;
 import com.sun.xml.internal.ws.api.SOAPVersion;
 import com.sun.xml.internal.ws.api.message.AttachmentSet;
 import com.sun.xml.internal.ws.api.message.Header;
 import com.sun.xml.internal.ws.api.message.HeaderList;
 import com.sun.xml.internal.ws.api.message.Message;
 import com.sun.xml.internal.ws.api.message.MessageHeaders;
+import com.sun.xml.internal.ws.api.message.StreamingSOAP;
 import com.sun.xml.internal.ws.api.streaming.XMLStreamReaderFactory;
 import com.sun.xml.internal.ws.encoding.TagInfoset;
 import com.sun.xml.internal.ws.message.AbstractMessageImpl;
 import com.sun.xml.internal.ws.message.AttachmentUnmarshallerImpl;
+import com.sun.xml.internal.ws.protocol.soap.VersionMismatchException;
 import com.sun.xml.internal.ws.spi.db.XMLBridge;
 import com.sun.xml.internal.ws.streaming.XMLStreamReaderUtil;
 import com.sun.xml.internal.ws.util.xml.DummyLocation;
 import com.sun.xml.internal.ws.util.xml.StAXSource;
+import com.sun.xml.internal.ws.util.xml.XMLReaderComposite;
 import com.sun.xml.internal.ws.util.xml.XMLStreamReaderToXMLStreamWriter;
+import com.sun.xml.internal.ws.util.xml.XMLReaderComposite.ElemInfo;
+
 import org.xml.sax.ContentHandler;
 import org.xml.sax.ErrorHandler;
 import org.xml.sax.SAXException;
 import org.xml.sax.SAXParseException;
 import org.xml.sax.helpers.NamespaceSupport;
 
 import javax.xml.bind.JAXBException;
 import javax.xml.bind.Unmarshaller;
 import javax.xml.stream.*;
+
 import static javax.xml.stream.XMLStreamConstants.START_DOCUMENT;
 import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
 import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
 import javax.xml.transform.Source;
 import javax.xml.ws.WebServiceException;
 import java.util.ArrayList;
 import java.util.Enumeration;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 /**
  * {@link Message} implementation backed by {@link XMLStreamReader}.
  *
  * TODO: we need another message class that keeps {@link XMLStreamReader} that points
  * at the start of the envelope element.
  */
-public class StreamMessage extends AbstractMessageImpl {
+public class StreamMessage extends AbstractMessageImpl implements StreamingSOAP {
     /**
      * The reader will be positioned at
      * the first child of the SOAP body
      */
     private @NotNull XMLStreamReader reader;

@@ -91,48 +101,55 @@
     /**
      * instantiated after writing message to XMLStreamWriter
      */
     private String bodyEpilogue = null;
 
-    private final String payloadLocalName;
+    private String payloadLocalName;
 
-    private final String payloadNamespaceURI;
-
-    /**
-     * infoset about the SOAP envelope, header, and body.
-     *
-     * <p>
-     * If the creater of this object didn't care about those,
-     * we use stock values.
-     */
-    private @NotNull TagInfoset envelopeTag;
-    private @NotNull TagInfoset headerTag;
-    private @NotNull TagInfoset bodyTag;
+    private String payloadNamespaceURI;
 
     /**
      * Used only for debugging. This records where the message was consumed.
      */
     private Throwable consumedAt;
 
-    /**
-     * Default s:Envelope, s:Header, and s:Body tag infoset definitions.
-     *
-     * We need 3 for SOAP 1.1, 3 for SOAP 1.2.
-     */
-    private static final TagInfoset[] DEFAULT_TAGS;
-
-    static {
-        DEFAULT_TAGS = new TagInfoset[6];
-        create(SOAPVersion.SOAP_11);
-        create(SOAPVersion.SOAP_12);
-    }
+    private XMLStreamReader envelopeReader;
 
     public StreamMessage(SOAPVersion v) {
         super(v);
         payloadLocalName = null;
         payloadNamespaceURI = null;
     }
+
+    public StreamMessage(SOAPVersion v, @NotNull XMLStreamReader envelope, @NotNull AttachmentSet attachments) {
+        super(v);
+        envelopeReader = envelope;
+        attachmentSet = attachments;
+    }
+
+    public XMLStreamReader readEnvelope() {
+        if (envelopeReader == null) {
+            List<XMLStreamReader> hReaders = new java.util.ArrayList<XMLStreamReader>();
+            ElemInfo envElem =  new ElemInfo(envelopeTag, null);
+            ElemInfo hdrElem =  (headerTag != null) ? new ElemInfo(headerTag, envElem) : null;
+            ElemInfo bdyElem =  new ElemInfo(bodyTag,   envElem);
+            for (Header h : getHeaders().asList()) {
+                try {
+                    hReaders.add(h.readHeader());
+                } catch (XMLStreamException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+            XMLStreamReader soapHeader = (hdrElem != null) ? new XMLReaderComposite(hdrElem, hReaders.toArray(new XMLStreamReader[hReaders.size()])) : null;
+            XMLStreamReader[] payload = {readPayload()};
+            XMLStreamReader soapBody = new XMLReaderComposite(bdyElem, payload);
+            XMLStreamReader[] soapContent = (soapHeader != null) ? new XMLStreamReader[]{soapHeader, soapBody} : new XMLStreamReader[]{soapBody};
+            return new XMLReaderComposite(envElem, soapContent);
+        }
+        return envelopeReader;
+    }
+
     /**
      * Creates a {@link StreamMessage} from a {@link XMLStreamReader}
      * that points at the start element of the payload, and headers.
      *
      * <p>

@@ -145,10 +162,14 @@
      *      points at the start element/document of the payload (or the end element of the &lt;s:Body>
      *      if there's no payload)
      */
     public StreamMessage(@Nullable MessageHeaders headers, @NotNull AttachmentSet attachmentSet, @NotNull XMLStreamReader reader, @NotNull SOAPVersion soapVersion) {
         super(soapVersion);
+        init(headers, attachmentSet, reader, soapVersion);
+    }
+
+    private void init(@Nullable MessageHeaders headers, @NotNull AttachmentSet attachmentSet, @NotNull XMLStreamReader reader, @NotNull SOAPVersion soapVersion) {
         this.headers = headers;
         this.attachmentSet = attachmentSet;
         this.reader = reader;
 
         if(reader.getEventType()== START_DOCUMENT)

@@ -173,13 +194,13 @@
             this.payloadNamespaceURI = reader.getNamespaceURI();
         }
 
         // use the default infoset representation for headers
         int base = soapVersion.ordinal()*3;
-        this.envelopeTag = DEFAULT_TAGS[base];
-        this.headerTag = DEFAULT_TAGS[base+1];
-        this.bodyTag = DEFAULT_TAGS[base+2];
+        this.envelopeTag = DEFAULT_TAGS.get(base);
+        this.headerTag = DEFAULT_TAGS.get(base+1);
+        this.bodyTag = DEFAULT_TAGS.get(base+2);
     }
 
     /**
      * Creates a {@link StreamMessage} from a {@link XMLStreamReader}
      * and the complete infoset of the SOAP envelope.

@@ -195,11 +216,16 @@
     public StreamMessage(@NotNull TagInfoset envelopeTag, @Nullable TagInfoset headerTag, @NotNull AttachmentSet attachmentSet, @Nullable MessageHeaders headers, @NotNull TagInfoset bodyTag, @NotNull XMLStreamReader reader, @NotNull SOAPVersion soapVersion) {
         this(envelopeTag, headerTag, attachmentSet, headers, null, bodyTag, null, reader, soapVersion);
     }
 
     public StreamMessage(@NotNull TagInfoset envelopeTag, @Nullable TagInfoset headerTag, @NotNull AttachmentSet attachmentSet, @Nullable MessageHeaders headers, @Nullable String bodyPrologue, @NotNull TagInfoset bodyTag, @Nullable String bodyEpilogue, @NotNull XMLStreamReader reader, @NotNull SOAPVersion soapVersion) {
-        this(headers,attachmentSet,reader,soapVersion);
+        super(soapVersion);
+        init(envelopeTag, headerTag, attachmentSet, headers, bodyPrologue, bodyTag, bodyEpilogue, reader, soapVersion);
+    }
+
+    private void init(@NotNull TagInfoset envelopeTag, @Nullable TagInfoset headerTag, @NotNull AttachmentSet attachmentSet, @Nullable MessageHeaders headers, @Nullable String bodyPrologue, @NotNull TagInfoset bodyTag, @Nullable String bodyEpilogue, @NotNull XMLStreamReader reader, @NotNull SOAPVersion soapVersion) {
+        init(headers,attachmentSet,reader,soapVersion);
         if(envelopeTag == null ) {
             throw new IllegalArgumentException("EnvelopeTag TagInfoset cannot be null");
         }
         if(bodyTag == null ) {
             throw new IllegalArgumentException("BodyTag TagInfoset cannot be null");

@@ -210,29 +236,34 @@
         this.bodyPrologue = bodyPrologue;
         this.bodyEpilogue = bodyEpilogue;
     }
 
     public boolean hasHeaders() {
+        if ( envelopeReader != null ) readEnvelope(this);
         return headers!=null && headers.hasHeaders();
     }
 
     public MessageHeaders getHeaders() {
+        if ( envelopeReader != null ) readEnvelope(this);
         if (headers == null) {
             headers = new HeaderList(getSOAPVersion());
         }
         return headers;
     }
 
     public String getPayloadLocalPart() {
+        if ( envelopeReader != null ) readEnvelope(this);
         return payloadLocalName;
     }
 
     public String getPayloadNamespaceURI() {
+        if ( envelopeReader != null ) readEnvelope(this);
         return payloadNamespaceURI;
     }
 
     public boolean hasPayload() {
+        if ( envelopeReader != null ) readEnvelope(this);
         return payloadLocalName!=null;
     }
 
     public Source readPayloadAsSource() {
         if(hasPayload()) {

@@ -327,10 +358,11 @@
         assert unconsumed();
         return this.reader;
     }
 
     public void writePayloadTo(XMLStreamWriter writer)throws XMLStreamException {
+        if ( envelopeReader != null ) readEnvelope(this);
         assert unconsumed();
 
         if(payloadLocalName==null) {
             return; // no body
         }

@@ -377,18 +409,20 @@
     private boolean isBodyElement(String name, String nsUri) {
         return name.equals("Body") && nsUri.equals(soapVersion.nsUri);
     }
 
     public void writeTo(XMLStreamWriter sw) throws XMLStreamException{
+        if ( envelopeReader != null ) readEnvelope(this);
         writeEnvelope(sw);
     }
 
     /**
      * This method should be called when the StreamMessage is created with a payload
      * @param writer
      */
     private void writeEnvelope(XMLStreamWriter writer) throws XMLStreamException {
+        if ( envelopeReader != null ) readEnvelope(this);
         writer.writeStartDocument();
         envelopeTag.writeStart(writer);
 
         //write headers
         MessageHeaders hl = getHeaders();

@@ -409,10 +443,11 @@
         writer.writeEndElement();
         writer.writeEndDocument();
     }
 
     public void writePayloadTo(ContentHandler contentHandler, ErrorHandler errorHandler, boolean fragment) throws SAXException {
+        if ( envelopeReader != null ) readEnvelope(this);
         assert unconsumed();
 
         try {
             if(payloadLocalName==null)
                 return; // no body

@@ -463,12 +498,14 @@
                 e.getMessage(),loc.getPublicId(),loc.getSystemId(),loc.getLineNumber(),loc.getColumnNumber(),e);
             errorHandler.error(x);
         }
     }
 
-    // TODO: this method should be probably rewritten to respect spaces between eelements; is it used at all?
+    // TODO: this method should be probably rewritten to respect spaces between elements; is it used at all?
+    @Override
     public Message copy() {
+        if ( envelopeReader != null ) readEnvelope(this);
         try {
             assert unconsumed();
             consumedAt = null; // but we don't want to mark it as consumed
             MutableXMLStreamBuffer xsb = new MutableXMLStreamBuffer();
             StreamReaderBufferCreator c = new StreamReaderBufferCreator(xsb);

@@ -526,10 +563,11 @@
         xsr.nextTag();
         assert xsr.getEventType()==START_ELEMENT || xsr.getEventType()==END_ELEMENT;
     }
 
     public void writeTo(ContentHandler contentHandler, ErrorHandler errorHandler ) throws SAXException {
+        if ( envelopeReader != null ) readEnvelope(this);
         contentHandler.setDocumentLocator(NULL_LOCATOR);
         contentHandler.startDocument();
         envelopeTag.writeStart(contentHandler);
         if (hasHeaders() && headerTag == null) headerTag = new TagInfoset(envelopeTag.nsUri,"Header",envelopeTag.prefix,EMPTY_ATTS);
         if (headerTag != null) {

@@ -568,25 +606,161 @@
         }
         consumedAt = new Exception().fillInStackTrace();
         return true;
     }
 
-    private static void create(SOAPVersion v) {
-        int base = v.ordinal()*3;
-        DEFAULT_TAGS[base  ] = new TagInfoset(v.nsUri,"Envelope","S",EMPTY_ATTS,"S",v.nsUri);
-        DEFAULT_TAGS[base+1] = new TagInfoset(v.nsUri,"Header","S",EMPTY_ATTS);
-        DEFAULT_TAGS[base+2] = new TagInfoset(v.nsUri,"Body","S",EMPTY_ATTS);
-    }
-
     public String getBodyPrologue() {
+        if ( envelopeReader != null ) readEnvelope(this);
         return bodyPrologue;
     }
 
     public String getBodyEpilogue() {
+        if ( envelopeReader != null ) readEnvelope(this);
         return bodyEpilogue;
     }
 
     public XMLStreamReader getReader() {
+        if ( envelopeReader != null ) readEnvelope(this);
         assert unconsumed();
         return reader;
     }
+
+
+    private static final String SOAP_ENVELOPE = "Envelope";
+    private static final String SOAP_HEADER = "Header";
+    private static final String SOAP_BODY = "Body";
+
+    protected interface StreamHeaderDecoder {
+        public Header decodeHeader(XMLStreamReader reader, XMLStreamBuffer mark);
+    }
+
+    static final StreamHeaderDecoder SOAP12StreamHeaderDecoder = new StreamHeaderDecoder() {
+        @Override
+        public Header decodeHeader(XMLStreamReader reader, XMLStreamBuffer mark) {
+            return new StreamHeader12(reader, mark);
+        }
+    };
+
+    static final StreamHeaderDecoder SOAP11StreamHeaderDecoder = new StreamHeaderDecoder() {
+        @Override
+        public Header decodeHeader(XMLStreamReader reader, XMLStreamBuffer mark) {
+            return new StreamHeader11(reader, mark);
+        }
+    };
+
+    static private void readEnvelope(StreamMessage message) {
+        if ( message.envelopeReader == null ) return;
+        XMLStreamReader reader = message.envelopeReader;
+        message.envelopeReader = null;
+        SOAPVersion soapVersion = message.soapVersion;
+        // Move to soap:Envelope and verify
+        if(reader.getEventType()!=XMLStreamConstants.START_ELEMENT)
+            XMLStreamReaderUtil.nextElementContent(reader);
+        XMLStreamReaderUtil.verifyReaderState(reader,XMLStreamConstants.START_ELEMENT);
+        if (SOAP_ENVELOPE.equals(reader.getLocalName()) && !soapVersion.nsUri.equals(reader.getNamespaceURI())) {
+            throw new VersionMismatchException(soapVersion, soapVersion.nsUri, reader.getNamespaceURI());
+        }
+        XMLStreamReaderUtil.verifyTag(reader, soapVersion.nsUri, SOAP_ENVELOPE);
+
+        TagInfoset envelopeTag = new TagInfoset(reader);
+
+        // Collect namespaces on soap:Envelope
+        Map<String,String> namespaces = new HashMap<String,String>();
+        for(int i=0; i< reader.getNamespaceCount();i++){
+                namespaces.put(reader.getNamespacePrefix(i), reader.getNamespaceURI(i));
+        }
+
+        // Move to next element
+        XMLStreamReaderUtil.nextElementContent(reader);
+        XMLStreamReaderUtil.verifyReaderState(reader,
+                javax.xml.stream.XMLStreamConstants.START_ELEMENT);
+
+        HeaderList headers = null;
+        TagInfoset headerTag = null;
+
+        if (reader.getLocalName().equals(SOAP_HEADER)
+                && reader.getNamespaceURI().equals(soapVersion.nsUri)) {
+            headerTag = new TagInfoset(reader);
+
+            // Collect namespaces on soap:Header
+            for(int i=0; i< reader.getNamespaceCount();i++){
+                namespaces.put(reader.getNamespacePrefix(i), reader.getNamespaceURI(i));
+            }
+            // skip <soap:Header>
+            XMLStreamReaderUtil.nextElementContent(reader);
+
+            // If SOAP header blocks are present (i.e. not <soap:Header/>)
+            if (reader.getEventType() == XMLStreamConstants.START_ELEMENT) {
+                headers = new HeaderList(soapVersion);
+
+                try {
+                    // Cache SOAP header blocks
+                    StreamHeaderDecoder headerDecoder = SOAPVersion.SOAP_11.equals(soapVersion) ? SOAP11StreamHeaderDecoder : SOAP12StreamHeaderDecoder;
+                    cacheHeaders(reader, namespaces, headers, headerDecoder);
+                } catch (XMLStreamException e) {
+                    // TODO need to throw more meaningful exception
+                    throw new WebServiceException(e);
+                }
+            }
+
+            // Move to soap:Body
+            XMLStreamReaderUtil.nextElementContent(reader);
+        }
+
+        // Verify that <soap:Body> is present
+        XMLStreamReaderUtil.verifyTag(reader, soapVersion.nsUri, SOAP_BODY);
+        TagInfoset bodyTag = new TagInfoset(reader);
+
+        String bodyPrologue = XMLStreamReaderUtil.nextWhiteSpaceContent(reader);
+        message.init(envelopeTag,headerTag,message.attachmentSet,headers,bodyPrologue,bodyTag,null,reader,soapVersion);
+        // when there's no payload,
+        // it's tempting to use EmptyMessageImpl, but it doesn't preserve the infoset
+        // of <envelope>,<header>, and <body>, so we need to stick to StreamMessage.
+    }
+
+
+    private static XMLStreamBuffer cacheHeaders(XMLStreamReader reader,
+            Map<String, String> namespaces, HeaderList headers,
+            StreamHeaderDecoder headerDecoder) throws XMLStreamException {
+        MutableXMLStreamBuffer buffer = createXMLStreamBuffer();
+        StreamReaderBufferCreator creator = new StreamReaderBufferCreator();
+        creator.setXMLStreamBuffer(buffer);
+
+        // Reader is positioned at the first header block
+        while(reader.getEventType() == javax.xml.stream.XMLStreamConstants.START_ELEMENT) {
+            Map<String,String> headerBlockNamespaces = namespaces;
+
+            // Collect namespaces on SOAP header block
+            if (reader.getNamespaceCount() > 0) {
+                headerBlockNamespaces = new HashMap<String,String>(namespaces);
+                for (int i = 0; i < reader.getNamespaceCount(); i++) {
+                    headerBlockNamespaces.put(reader.getNamespacePrefix(i), reader.getNamespaceURI(i));
+                }
+            }
+
+            // Mark
+            XMLStreamBuffer mark = new XMLStreamBufferMark(headerBlockNamespaces, creator);
+            // Create Header
+            headers.add(headerDecoder.decodeHeader(reader, mark));
+
+
+            // Cache the header block
+            // After caching Reader will be positioned at next header block or
+            // the end of the </soap:header>
+            creator.createElementFragment(reader, false);
+            if (reader.getEventType() != XMLStreamConstants.START_ELEMENT &&
+                    reader.getEventType() != XMLStreamConstants.END_ELEMENT) {
+                XMLStreamReaderUtil.nextElementContent(reader);
+            }
+        }
+
+        return buffer;
+    }
+
+    private static MutableXMLStreamBuffer createXMLStreamBuffer() {
+        // TODO: Decode should own one MutableXMLStreamBuffer for reuse
+        // since it is more efficient. ISSUE: possible issue with
+        // lifetime of information in the buffer if accessed beyond
+        // the pipe line.
+        return new MutableXMLStreamBuffer();
+    }
 }