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package com.sun.xml.ws.encoding;
import com.sun.istack.NotNull;
import com.sun.xml.bind.DatatypeConverterImpl;
import com.sun.xml.bind.v2.runtime.output.Encoded;
import com.sun.xml.ws.api.SOAPVersion;
import com.sun.xml.ws.api.WSBinding;
import com.sun.xml.ws.api.message.Attachment;
import com.sun.xml.ws.api.message.AttachmentSet;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.pipe.ContentType;
import com.sun.xml.ws.api.pipe.StreamSOAPCodec;
import com.sun.xml.ws.api.streaming.XMLStreamReaderFactory;
import com.sun.xml.ws.api.streaming.XMLStreamWriterFactory;
import com.sun.xml.ws.message.MimeAttachmentSet;
import com.sun.xml.ws.util.ByteArrayDataSource;
import com.sun.xml.ws.util.xml.XMLStreamReaderFilter;
import com.sun.xml.ws.util.xml.XMLStreamWriterFilter;
import com.sun.xml.ws.streaming.MtomStreamWriter;
import com.sun.xml.ws.streaming.XMLStreamReaderUtil;
import com.sun.xml.ws.server.UnsupportedMediaException;
import org.jvnet.staxex.Base64Data;
import org.jvnet.staxex.NamespaceContextEx;
import org.jvnet.staxex.XMLStreamReaderEx;
import org.jvnet.staxex.XMLStreamWriterEx;
import javax.activation.DataHandler;
import javax.xml.namespace.NamespaceContext;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.WebServiceFeature;
import javax.xml.ws.soap.MTOMFeature;
import javax.xml.bind.attachment.AttachmentMarshaller;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.nio.channels.WritableByteChannel;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.UUID;
/**
* Mtom messge Codec. It can be used even for non-soap message's mtom encoding.
*
* @author Vivek Pandey
* @author Jitendra Kotamraju
*/
public class MtomCodec extends MimeCodec {
public static final String XOP_XML_MIME_TYPE = "application/xop+xml";
private final StreamSOAPCodec codec;
// encoding related parameters
private String boundary;
private String rootId;
private final String soapXopContentType;
private String messageContentType;
private final MTOMFeature mtomFeature;
MtomCodec(SOAPVersion version, StreamSOAPCodec codec, WSBinding binding, WebServiceFeature mtomFeature){
super(version, binding);
this.codec = codec;
createConteTypeHeader();
this.soapXopContentType = XOP_XML_MIME_TYPE +";charset=utf-8;type=\""+version.contentType+"\"";
if(mtomFeature == null)
this.mtomFeature = new MTOMFeature();
else
this.mtomFeature = (MTOMFeature) mtomFeature;
}
private void createConteTypeHeader(){
String uuid = UUID.randomUUID().toString();
boundary = "uuid:" + uuid;
rootId = "";
String boundaryParameter = "boundary=\"" + boundary +"\"";
messageContentType = MULTIPART_RELATED_MIME_TYPE +
";start=\""+rootId +"\"" +
";type=\"" + XOP_XML_MIME_TYPE + "\";" +
boundaryParameter +
";start-info=\"" + version.contentType + "\"";
}
/**
* Return the soap 1.1 and soap 1.2 specific XOP packaged ContentType
*
* @return A non-null content type for soap11 or soap 1.2 content type
*/
public ContentType getStaticContentType(Packet packet) {
return getContentType(packet);
}
private ContentType getContentType(Packet packet){
switch(version){
case SOAP_11:
return new ContentTypeImpl(messageContentType, (packet.soapAction == null)?"":packet.soapAction, null);
case SOAP_12:
if(packet.soapAction != null){
messageContentType += ";action=\""+packet.soapAction+"\"";
}
return new ContentTypeImpl(messageContentType, null, null);
}
//never happens
return null;
}
public ContentType encode(Packet packet, OutputStream out) throws IOException {
//get the current boundary thaat will be reaturned from this method
ContentType contentType = getContentType(packet);
if(packet.getMessage() != null){
try {
writeln("--"+boundary, out);
writeln("Content-Id: " + rootId, out);
writeln("Content-Type: "+ soapXopContentType, out);
writeln("Content-Transfer-Encoding: binary", out);
writeln(out);
//mtom attachments that need to be written after the root part
List mtomAttachments = new ArrayList();
MtomStreamWriterImpl writer = new MtomStreamWriterImpl(XMLStreamWriterFactory.create(out),out, mtomAttachments);
packet.getMessage().writeTo(writer);
XMLStreamWriterFactory.recycle(writer);
writeln(out);
for(ByteArrayBuffer bos : mtomAttachments){
bos.write(out);
}
//now write out the attachments in the message
writeAttachments(packet.getMessage().getAttachments(),out);
//write out the end boundary
writeAsAscii("--"+boundary, out);
writeAsAscii("--", out);
} catch (XMLStreamException e) {
throw new WebServiceException(e);
}
}
//now create the boundary for next encode() call
createConteTypeHeader();
return contentType;
}
private class ByteArrayBuffer{
final String contentId;
private DataHandler dh;
ByteArrayBuffer(@NotNull DataHandler dh) {
this.dh = dh;
this.contentId = encodeCid();
}
void write(OutputStream os) throws IOException {
//build attachment frame
writeln("--"+boundary, os);
writeMimeHeaders(dh.getContentType(), contentId, os);
dh.writeTo(os);
writeln(os);
}
}
private void writeMimeHeaders(String contentType, String contentId, OutputStream out) throws IOException {
String cid = contentId;
if(cid != null && cid.length() >0 && cid.charAt(0) != '<')
cid = '<' + cid + '>';
writeln("Content-Id: " + cid, out);
writeln("Content-Type: " + contentType, out);
writeln("Content-Transfer-Encoding: binary", out);
writeln(out);
}
private void writeAttachments(AttachmentSet attachments, OutputStream out) throws IOException {
for(Attachment att : attachments){
//build attachment frame
writeln("--"+boundary, out);
writeMimeHeaders(att.getContentType(), att.getContentId(), out);
att.writeTo(out);
writeln(out); // write \r\n
}
}
public ContentType encode(Packet packet, WritableByteChannel buffer) {
throw new UnsupportedOperationException();
}
public MtomCodec copy() {
return new MtomCodec(version, (StreamSOAPCodec)codec.copy(), binding, mtomFeature);
}
private String encodeCid(){
String cid="example.jaxws.sun.com";
String name = UUID.randomUUID()+"@";
return name + cid;
}
@Override
protected void decode(MimeMultipartParser mpp, Packet packet) throws IOException {
//TODO shouldn't we check for SOAP1.1/SOAP1.2 and throw
//TODO UnsupportedMediaException like StreamSOAPCodec
String charset = null;
String ct = mpp.getRootPart().getContentType();
if (ct != null) {
charset = new ContentTypeImpl(ct).getCharSet();
}
if (charset != null && !Charset.isSupported(charset)) {
throw new UnsupportedMediaException(charset);
}
// we'd like to reuse those reader objects but unfortunately decoder may be reused
// before the decoded message is completely used.
XMLStreamReader mtomReader = new MtomXMLStreamReaderEx( mpp,
XMLStreamReaderFactory.create(null, mpp.getRootPart().asInputStream(), charset, true)
);
packet.setMessage(codec.decode(mtomReader, new MimeAttachmentSet(mpp)));
}
private class MtomStreamWriterImpl extends XMLStreamWriterFilter implements XMLStreamWriterEx,
MtomStreamWriter {
private final OutputStream out;
private final Encoded encoded = new Encoded();
private final List mtomAttachments;
public MtomStreamWriterImpl(XMLStreamWriter w, OutputStream out, List mtomAttachments) {
super(w);
this.out = out;
this.mtomAttachments = mtomAttachments;
}
public void writeBinary(byte[] data, int start, int len, String contentType) throws XMLStreamException {
//check threshold and if less write as base64encoded value
if(mtomFeature.getThreshold() > len){
writeCharacters(DatatypeConverterImpl._printBase64Binary(data, start, len));
return;
}
ByteArrayBuffer bab = new ByteArrayBuffer(new DataHandler(new ByteArrayDataSource(data, start, len, contentType)));
writeBinary(bab);
}
public void writeBinary(DataHandler dataHandler) throws XMLStreamException {
// TODO how do we check threshold and if less inline the data
writeBinary(new ByteArrayBuffer(dataHandler));
}
public OutputStream writeBinary(String contentType) throws XMLStreamException {
throw new UnsupportedOperationException();
}
public void writePCDATA(CharSequence data) throws XMLStreamException {
if(data == null)
return;
if(data instanceof Base64Data){
Base64Data binaryData = (Base64Data)data;
writeBinary(binaryData.getDataHandler());
return;
}
writeCharacters(data.toString());
}
private void writeBinary(ByteArrayBuffer bab) {
try {
mtomAttachments.add(bab);
writer.writeCharacters(""); // Force completion of open elems
writer.flush();
//flush the underlying writer to write-out any cached data to the underlying
// stream before writing directly to it
//write out the xop reference
encoded.set(XOP_PREF+bab.contentId+XOP_SUFF);
out.write(encoded.buf,0,encoded.len);
} catch (IOException e) {
throw new WebServiceException(e);
} catch (XMLStreamException e) {
throw new WebServiceException(e);
}
}
@Override
public Object getProperty(String name) throws IllegalArgumentException {
// Hack for JDK6's SJSXP
if (name.equals("sjsxp-outputstream") && writer instanceof Map) {
Object obj = ((Map) writer).get("sjsxp-outputstream");
if (obj != null) {
return obj;
}
}
return super.getProperty(name);
}
/**
* JAXBMessage writes envelope directly to the OutputStream(for SJSXP, woodstox).
* While writing, it calls the AttachmentMarshaller methods for adding attachments.
* JAXB writes xop:Include in this case.
*/
public AttachmentMarshaller getAttachmentMarshaller() {
return new AttachmentMarshaller() {
public String addMtomAttachment(DataHandler data, String elementNamespace, String elementLocalName) {
// Should we do the threshold processing on DataHandler ? But that would be
// expensive as DataHolder need to read the data again from its source
ByteArrayBuffer bab = new ByteArrayBuffer(data);
mtomAttachments.add(bab);
return "cid:"+bab.contentId;
}
public String addMtomAttachment(byte[] data, int offset, int length, String mimeType, String elementNamespace, String elementLocalName) {
// inline the data based on the threshold
if (mtomFeature.getThreshold() > length) {
return null; // JAXB inlines the attachment data
}
ByteArrayBuffer bab = new ByteArrayBuffer(new DataHandler(new ByteArrayDataSource(data, offset, length, mimeType)));
mtomAttachments.add(bab);
return "cid:"+bab.contentId;
}
public String addSwaRefAttachment(DataHandler data) {
ByteArrayBuffer bab = new ByteArrayBuffer(data);
mtomAttachments.add(bab);
return "cid:"+bab.contentId;
}
@Override
public boolean isXOPPackage() {
return true;
}
};
}
private class MtomNamespaceContextEx implements NamespaceContextEx {
private NamespaceContext nsContext;
public MtomNamespaceContextEx(NamespaceContext nsContext) {
this.nsContext = nsContext;
}
public Iterator iterator() {
throw new UnsupportedOperationException();
}
public String getNamespaceURI(String prefix) {
return nsContext.getNamespaceURI(prefix);
}
public String getPrefix(String namespaceURI) {
return nsContext.getPrefix(namespaceURI);
}
public Iterator getPrefixes(String namespaceURI) {
return nsContext.getPrefixes(namespaceURI);
}
}
@Override
public NamespaceContextEx getNamespaceContext() {
NamespaceContext nsContext = writer.getNamespaceContext();
return new MtomNamespaceContextEx(nsContext);
}
}
private static class MtomXMLStreamReaderEx extends XMLStreamReaderFilter implements XMLStreamReaderEx {
/**
* The parser for the outer MIME 'shell'.
*/
private final MimeMultipartParser mimeMP;
private boolean xopReferencePresent = false;
private Base64Data base64AttData;
//To be used with #getTextCharacters
private char[] base64EncodedText;
public MtomXMLStreamReaderEx(MimeMultipartParser mimeMP, XMLStreamReader reader) {
super(reader);
this.mimeMP = mimeMP;
}
public CharSequence getPCDATA() throws XMLStreamException {
if(xopReferencePresent){
return base64AttData;
}
return reader.getText();
}
public NamespaceContextEx getNamespaceContext() {
NamespaceContext nsContext = reader.getNamespaceContext();
return new MtomNamespaceContextEx(nsContext);
}
public String getElementTextTrim() throws XMLStreamException {
throw new UnsupportedOperationException();
}
private static class MtomNamespaceContextEx implements NamespaceContextEx {
private NamespaceContext nsContext;
public MtomNamespaceContextEx(NamespaceContext nsContext) {
this.nsContext = nsContext;
}
public Iterator iterator() {
throw new UnsupportedOperationException();
}
public String getNamespaceURI(String prefix) {
return nsContext.getNamespaceURI(prefix);
}
public String getPrefix(String namespaceURI) {
return nsContext.getPrefix(namespaceURI);
}
public Iterator getPrefixes(String namespaceURI) {
return nsContext.getPrefixes(namespaceURI);
}
}
public int getTextLength() {
if (xopReferencePresent) {
return base64AttData.length();
}
return reader.getTextLength();
}
public int getTextStart() {
if (xopReferencePresent) {
return 0;
}
return reader.getTextStart();
}
public int getEventType() {
if(xopReferencePresent)
return XMLStreamConstants.CHARACTERS;
return super.getEventType();
}
public int next() throws XMLStreamException {
int event = reader.next();
if (event == XMLStreamConstants.START_ELEMENT && reader.getLocalName().equals(XOP_LOCALNAME) && reader.getNamespaceURI().equals(XOP_NAMESPACEURI)) {
//its xop reference, take the URI reference
String href = reader.getAttributeValue(null, "href");
try {
Attachment att = getAttachment(href);
if(att != null){
base64AttData = new Base64Data();
base64AttData.set(att.asDataHandler());
}
xopReferencePresent = true;
} catch (IOException e) {
throw new WebServiceException(e);
}
//move to the
XMLStreamReaderUtil.nextElementContent(reader);
return XMLStreamConstants.CHARACTERS;
}
if(xopReferencePresent){
xopReferencePresent = false;
base64EncodedText = null;
}
return event;
}
private String decodeCid(String cid) {
try {
cid = URLDecoder.decode(cid, "utf-8");
} catch (UnsupportedEncodingException e) {
//on recceiving side lets not fail now, try to look for it
}
return cid;
}
private Attachment getAttachment(String cid) throws IOException {
if (cid.startsWith("cid:"))
cid = cid.substring(4, cid.length());
if (cid.indexOf('%') != -1) {
cid = decodeCid(cid);
return mimeMP.getAttachmentPart(cid);
}
return mimeMP.getAttachmentPart(cid);
}
public char[] getTextCharacters() {
if (xopReferencePresent) {
char[] chars = new char[base64AttData.length()];
base64AttData.writeTo(chars, 0);
return chars;
}
return reader.getTextCharacters();
}
public int getTextCharacters(int sourceStart, char[] target, int targetStart, int length) throws XMLStreamException {
if(xopReferencePresent){
if(target == null){
throw new NullPointerException("target char array can't be null") ;
}
if(targetStart < 0 || length < 0 || sourceStart < 0 || targetStart >= target.length ||
(targetStart + length ) > target.length) {
throw new IndexOutOfBoundsException();
}
int textLength = base64AttData.length();
if(sourceStart > textLength)
throw new IndexOutOfBoundsException();
if(base64EncodedText == null){
base64EncodedText = new char[base64AttData.length()];
base64AttData.writeTo(base64EncodedText, 0);
}
int copiedLength = Math.min(textLength - sourceStart, length);
System.arraycopy(base64EncodedText, sourceStart , target, targetStart, copiedLength);
return copiedLength;
}
return reader.getTextCharacters(sourceStart, target, targetStart, length);
}
public String getText() {
if (xopReferencePresent) {
return base64AttData.toString();
}
return reader.getText();
}
}
private static final String XOP_PREF = "";
private static final String XOP_LOCALNAME = "Include";
private static final String XOP_NAMESPACEURI = "http://www.w3.org/2004/08/xop/include";
}
