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package com.sun.xml.ws.message.stream;
import com.sun.istack.NotNull;
import com.sun.istack.Nullable;
import com.sun.istack.XMLStreamReaderToContentHandler;
import com.sun.xml.bind.api.Bridge;
import com.sun.xml.stream.buffer.MutableXMLStreamBuffer;
import com.sun.xml.stream.buffer.XMLStreamBuffer;
import com.sun.xml.stream.buffer.XMLStreamBufferMark;
import com.sun.xml.stream.buffer.stax.StreamReaderBufferCreator;
import com.sun.xml.ws.api.SOAPVersion;
import com.sun.xml.ws.api.message.AttachmentSet;
import com.sun.xml.ws.api.message.Header;
import com.sun.xml.ws.api.message.HeaderList;
import com.sun.xml.ws.api.message.Message;
import com.sun.xml.ws.api.message.MessageHeaders;
import com.sun.xml.ws.api.message.StreamingSOAP;
import com.sun.xml.ws.api.streaming.XMLStreamReaderFactory;
import com.sun.xml.ws.encoding.TagInfoset;
import com.sun.xml.ws.message.AbstractMessageImpl;
import com.sun.xml.ws.message.AttachmentUnmarshallerImpl;
import com.sun.xml.ws.protocol.soap.VersionMismatchException;
import com.sun.xml.ws.spi.db.XMLBridge;
import com.sun.xml.ws.streaming.XMLStreamReaderUtil;
import com.sun.xml.ws.util.xml.DummyLocation;
import com.sun.xml.ws.util.xml.StAXSource;
import com.sun.xml.ws.util.xml.XMLReaderComposite;
import org.jvnet.staxex.util.XMLStreamReaderToXMLStreamWriter;
import com.sun.xml.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.namespace.QName;
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 implements StreamingSOAP {
/**
* The reader will be positioned at
* the first child of the SOAP body
*/
private @NotNull XMLStreamReader reader;
// lazily created
private @Nullable MessageHeaders headers;
/**
* Because the StreamMessage leaves out the white spaces around payload
* when being instantiated the space characters between soap:Body opening and
* payload is stored in this field to be reused later (necessary for message security);
* Instantiated after StreamMessage creation
*/
private String bodyPrologue = null;
/**
* instantiated after writing message to XMLStreamWriter
*/
private String bodyEpilogue = null;
private String payloadLocalName;
private String payloadNamespaceURI;
/**
* Used only for debugging. This records where the message was consumed.
*/
private Throwable consumedAt;
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>
* This method creates a {@link Message} from a payload.
*
* @param headers
* if null, it means no headers. if non-null,
* it will be owned by this message.
* @param reader
* points at the start element/document of the payload (or the end element of the <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)
XMLStreamReaderUtil.nextElementContent(reader);
//if the reader is pointing to the end element </soapenv:Body> then its empty message
// or no payload
if(reader.getEventType() == XMLStreamConstants.END_ELEMENT){
String body = reader.getLocalName();
String nsUri = reader.getNamespaceURI();
assert body != null;
assert nsUri != null;
//if its not soapenv:Body then throw exception, we received malformed stream
if(body.equals("Body") && nsUri.equals(soapVersion.nsUri)){
this.payloadLocalName = null;
this.payloadNamespaceURI = null;
}else{ //TODO: i18n and also we should be throwing better message that this
throw new WebServiceException("Malformed stream: {"+nsUri+"}"+body);
}
}else{
this.payloadLocalName = reader.getLocalName();
this.payloadNamespaceURI = reader.getNamespaceURI();
}
// use the default infoset representation for headers
int base = soapVersion.ordinal()*3;
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.
*
* <p>
* See {@link #StreamMessage(MessageHeaders, AttachmentSet, XMLStreamReader, SOAPVersion)} for
* the description of the basic parameters.
*
* @param headerTag
* Null if the message didn't have a header tag.
*
*/
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) {
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");
}
this.envelopeTag = envelopeTag;
this.headerTag = headerTag;
this.bodyTag = bodyTag;
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()) {
assert unconsumed();
return new StAXSource(reader, true, getInscopeNamespaces());
} else
return null;
}
/**
* There is no way to enumerate inscope namespaces for XMLStreamReader. That means
* namespaces declared in envelope, and body tags need to be computed using their
* {@link TagInfoset}s.
*
* @return array of the even length of the form { prefix0, uri0, prefix1, uri1, ... }
*/
private String[] getInscopeNamespaces() {
NamespaceSupport nss = new NamespaceSupport();
nss.pushContext();
for(int i=0; i < envelopeTag.ns.length; i+=2) {
nss.declarePrefix(envelopeTag.ns[i], envelopeTag.ns[i+1]);
}
nss.pushContext();
for(int i=0; i < bodyTag.ns.length; i+=2) {
nss.declarePrefix(bodyTag.ns[i], bodyTag.ns[i+1]);
}
List<String> inscope = new ArrayList<String>();
for( Enumeration en = nss.getPrefixes(); en.hasMoreElements(); ) {
String prefix = (String)en.nextElement();
inscope.add(prefix);
inscope.add(nss.getURI(prefix));
}
return inscope.toArray(new String[inscope.size()]);
}
public Object readPayloadAsJAXB(Unmarshaller unmarshaller) throws JAXBException {
if(!hasPayload())
return null;
assert unconsumed();
// TODO: How can the unmarshaller process this as a fragment?
if(hasAttachments())
unmarshaller.setAttachmentUnmarshaller(new AttachmentUnmarshallerImpl(getAttachments()));
try {
return unmarshaller.unmarshal(reader);
} finally{
unmarshaller.setAttachmentUnmarshaller(null);
XMLStreamReaderUtil.readRest(reader);
XMLStreamReaderUtil.close(reader);
XMLStreamReaderFactory.recycle(reader);
}
}
/** @deprecated */
public <T> T readPayloadAsJAXB(Bridge<T> bridge) throws JAXBException {
if(!hasPayload())
return null;
assert unconsumed();
T r = bridge.unmarshal(reader,
hasAttachments() ? new AttachmentUnmarshallerImpl(getAttachments()) : null);
XMLStreamReaderUtil.readRest(reader);
XMLStreamReaderUtil.close(reader);
XMLStreamReaderFactory.recycle(reader);
return r;
}
public <T> T readPayloadAsJAXB(XMLBridge<T> bridge) throws JAXBException {
if(!hasPayload())
return null;
assert unconsumed();
T r = bridge.unmarshal(reader,
hasAttachments() ? new AttachmentUnmarshallerImpl(getAttachments()) : null);
XMLStreamReaderUtil.readRest(reader);
XMLStreamReaderUtil.close(reader);
XMLStreamReaderFactory.recycle(reader);
return r;
}
@Override
public void consume() {
assert unconsumed();
XMLStreamReaderUtil.readRest(reader);
XMLStreamReaderUtil.close(reader);
XMLStreamReaderFactory.recycle(reader);
}
public XMLStreamReader readPayload() {
if(!hasPayload())
return null;
// TODO: What about access at and beyond </soap:Body>
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
}
if (bodyPrologue != null) {
writer.writeCharacters(bodyPrologue);
}
XMLStreamReaderToXMLStreamWriter conv = new XMLStreamReaderToXMLStreamWriter();
while(reader.getEventType() != XMLStreamConstants.END_DOCUMENT){
String name = reader.getLocalName();
String nsUri = reader.getNamespaceURI();
// After previous conv.bridge() call the cursor will be at END_ELEMENT.
// Check if its not soapenv:Body then move to next ELEMENT
if(reader.getEventType() == XMLStreamConstants.END_ELEMENT){
if (!isBodyElement(name, nsUri)){
// closing payload element: store epilogue for further signing, if applicable
// however if there more than one payloads exist - the last one is stored
String whiteSpaces = XMLStreamReaderUtil.nextWhiteSpaceContent(reader);
if (whiteSpaces != null) {
this.bodyEpilogue = whiteSpaces;
// write it to the message too
writer.writeCharacters(whiteSpaces);
}
} else {
// body closed > exit
break;
}
} else {
// payload opening element: copy payload to writer
conv.bridge(reader,writer);
}
}
XMLStreamReaderUtil.readRest(reader);
XMLStreamReaderUtil.close(reader);
XMLStreamReaderFactory.recycle(reader);
}
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);
}
public void writeToBodyStart(XMLStreamWriter writer) throws XMLStreamException {
if ( envelopeReader != null ) readEnvelope(this);
writer.writeStartDocument();
envelopeTag.writeStart(writer);
//write headers
MessageHeaders hl = getHeaders();
if (hl.hasHeaders() && headerTag == null) headerTag = new TagInfoset(envelopeTag.nsUri,"Header",envelopeTag.prefix,EMPTY_ATTS);
if (headerTag != null) {
headerTag.writeStart(writer);
if (hl.hasHeaders()){
for(Header h : hl.asList()){
h.writeTo(writer);
}
}
writer.writeEndElement();
}
bodyTag.writeStart(writer);
}
/**
* This method should be called when the StreamMessage is created with a payload
* @param writer
*/
private void writeEnvelope(XMLStreamWriter writer) throws XMLStreamException {
writeToBodyStart(writer);
if(hasPayload())
writePayloadTo(writer);
writer.writeEndElement();
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
if (bodyPrologue != null) {
char[] chars = bodyPrologue.toCharArray();
contentHandler.characters(chars, 0, chars.length);
}
XMLStreamReaderToContentHandler conv = new XMLStreamReaderToContentHandler(reader,contentHandler,true,fragment,getInscopeNamespaces());
while(reader.getEventType() != XMLStreamConstants.END_DOCUMENT){
String name = reader.getLocalName();
String nsUri = reader.getNamespaceURI();
// After previous conv.bridge() call the cursor will be at END_ELEMENT.
// Check if its not soapenv:Body then move to next ELEMENT
if(reader.getEventType() == XMLStreamConstants.END_ELEMENT){
if (!isBodyElement(name, nsUri)){
// closing payload element: store epilogue for further signing, if applicable
// however if there more than one payloads exist - the last one is stored
String whiteSpaces = XMLStreamReaderUtil.nextWhiteSpaceContent(reader);
if (whiteSpaces != null) {
this.bodyEpilogue = whiteSpaces;
// write it to the message too
char[] chars = whiteSpaces.toCharArray();
contentHandler.characters(chars, 0, chars.length);
}
} else {
// body closed > exit
break;
}
} else {
// payload opening element: copy payload to writer
conv.bridge();
}
}
XMLStreamReaderUtil.readRest(reader);
XMLStreamReaderUtil.close(reader);
XMLStreamReaderFactory.recycle(reader);
} catch (XMLStreamException e) {
Location loc = e.getLocation();
if(loc==null) loc = DummyLocation.INSTANCE;
SAXParseException x = new SAXParseException(
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 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);
// preserving inscope namespaces from envelope, and body. Other option
// would be to create a filtering XMLStreamReader from reader+envelopeTag+bodyTag
c.storeElement(envelopeTag.nsUri, envelopeTag.localName, envelopeTag.prefix, envelopeTag.ns);
c.storeElement(bodyTag.nsUri, bodyTag.localName, bodyTag.prefix, bodyTag.ns);
if (hasPayload()) {
// Loop all the way for multi payload case
while(reader.getEventType() != XMLStreamConstants.END_DOCUMENT){
String name = reader.getLocalName();
String nsUri = reader.getNamespaceURI();
if(isBodyElement(name, nsUri) || (reader.getEventType() == XMLStreamConstants.END_DOCUMENT))
break;
c.create(reader);
// Skip whitespaces in between payload and </Body> or between elements
// those won't be in the message itself, but we store them in field bodyEpilogue
if (reader.isWhiteSpace()) {
bodyEpilogue = XMLStreamReaderUtil.currentWhiteSpaceContent(reader);
} else {
// clear it in case the existing was not the last one
// (we are interested only in the last one?)
bodyEpilogue = null;
}
}
}
c.storeEndElement(); // create structure element for </Body>
c.storeEndElement(); // create structure element for </Envelope>
c.storeEndElement(); // create structure element for END_DOCUMENT
XMLStreamReaderUtil.readRest(reader);
XMLStreamReaderUtil.close(reader);
XMLStreamReaderFactory.recycle(reader);
reader = xsb.readAsXMLStreamReader();
XMLStreamReader clone = xsb.readAsXMLStreamReader();
// advance to the start tag of the <Body> first child element
proceedToRootElement(reader);
proceedToRootElement(clone);
return new StreamMessage(envelopeTag, headerTag, attachmentSet, HeaderList.copy(headers), bodyPrologue, bodyTag, bodyEpilogue, clone, soapVersion);
} catch (XMLStreamException e) {
throw new WebServiceException("Failed to copy a message",e);
}
}
private void proceedToRootElement(XMLStreamReader xsr) throws XMLStreamException {
assert xsr.getEventType()==START_DOCUMENT;
xsr.nextTag();
xsr.nextTag();
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) {
headerTag.writeStart(contentHandler);
if (hasHeaders()) {
MessageHeaders headers = getHeaders();
for (Header h : headers.asList()) {
// shouldn't JDK be smart enough to use array-style indexing for this foreach!?
h.writeTo(contentHandler,errorHandler);
}
}
headerTag.writeEnd(contentHandler);
}
bodyTag.writeStart(contentHandler);
writePayloadTo(contentHandler,errorHandler, true);
bodyTag.writeEnd(contentHandler);
envelopeTag.writeEnd(contentHandler);
contentHandler.endDocument();
}
/**
* Used for an assertion. Returns true when the message is unconsumed,
* or otherwise throw an exception.
*
* <p>
* Calling this method also marks the stream as 'consumed'
*/
private boolean unconsumed() {
if(payloadLocalName==null)
return true; // no payload. can be consumed multiple times.
if(reader.getEventType()!=XMLStreamReader.START_ELEMENT) {
AssertionError error = new AssertionError("StreamMessage has been already consumed. See the nested exception for where it's consumed");
error.initCause(consumedAt);
throw error;
}
consumedAt = new Exception().fillInStackTrace();
return true;
}
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();
}
public boolean isPayloadStreamReader() { return true; }
public QName getPayloadQName() {
return this.hasPayload() ? new QName(payloadNamespaceURI, payloadLocalName) : null;
}
public XMLStreamReader readToBodyStarTag() {
if ( envelopeReader != null ) readEnvelope(this);
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 = {};
XMLStreamReader soapBody = new XMLReaderComposite(bdyElem, payload);
XMLStreamReader[] soapContent = (soapHeader != null) ? new XMLStreamReader[]{soapHeader, soapBody} : new XMLStreamReader[]{soapBody};
return new XMLReaderComposite(envElem, soapContent);
}
}