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Open source Reference Implementation of JSR-67: SOAP with Attachments API for Java (SAAJ MR: 1.4)
/*
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package com.sun.xml.messaging.saaj.util.stax;
import java.io.OutputStream;
import java.util.Arrays;
import java.util.Iterator;
import java.util.UUID;
import javax.activation.DataHandler;
import javax.xml.bind.attachment.AttachmentMarshaller;
import javax.xml.soap.SOAPException;
import javax.xml.soap.SOAPMessage;
import javax.xml.stream.XMLStreamException;
import org.jvnet.staxex.Base64Data;
import org.jvnet.staxex.BinaryText;
import org.jvnet.staxex.MtomEnabled;
import org.jvnet.staxex.NamespaceContextEx;
import org.jvnet.staxex.StreamingDataHandler;
import org.jvnet.staxex.XMLStreamWriterEx;
import org.jvnet.staxex.util.MtomStreamWriter;
//
//import com.sun.xml.ws.api.message.saaj.SaajStaxWriter;
//import com.sun.xml.ws.developer.StreamingDataHandler;
//import com.sun.xml.ws.streaming.MtomStreamWriter;
/**
* SaajStaxWriterEx converts XMLStreamWriterEx calls to build an orasaaj SOAPMessage with BinaryTextImpl.
*
* @author [email protected]
*/
public class SaajStaxWriterEx extends SaajStaxWriter implements XMLStreamWriterEx, MtomStreamWriter {
static final protected String xopNS = "http://www.w3.org/2004/08/xop/include";
static final protected String Include = "Include";
static final protected String href = "href";
private enum State {xopInclude, others};
private State state = State.others;
private BinaryText binaryText;
public SaajStaxWriterEx(SOAPMessage msg, String uri) throws SOAPException {
super(msg, uri);
}
public void writeStartElement(String prefix, String ln, String ns) throws XMLStreamException {
if (xopNS.equals(ns) && Include.equals(ln)) {
state = State.xopInclude;
return;
} else {
super.writeStartElement(prefix, ln, ns);
}
}
@Override
public void writeEndElement() throws XMLStreamException {
if (state.equals(State.xopInclude)) {
state = State.others;
} else {
super.writeEndElement();
}
}
@Override
public void writeAttribute(String prefix, String ns, String ln, String value) throws XMLStreamException {
if (binaryText != null && href.equals(ln)) {
return;
} else {
super.writeAttribute(prefix, ns, ln, value);
}
}
// @Override
// public void writeComment(String data) throws XMLStreamException {
// ((ElementImpl)currentElement).addCommentNode(data);
// }
//
// @Override
// public void writeCData(String data) throws XMLStreamException {
// CDataTextImpl cdt = new CDataTextImpl(soap.getSOAPPart(), data);
// currentElement.appendChild(cdt);
// }
@Override
public NamespaceContextEx getNamespaceContext() {
return new NamespaceContextEx() {
public String getNamespaceURI(String prefix) {
return currentElement.getNamespaceURI(prefix);
}
public String getPrefix(String namespaceURI) {
return currentElement.lookupPrefix(namespaceURI);
}
public Iterator getPrefixes(final String namespaceURI) {
return new Iterator() {
String prefix = getPrefix(namespaceURI);
public boolean hasNext() {
return (prefix != null);
}
public Object next() {
if (prefix == null) throw new java.util.NoSuchElementException();
String next = prefix;
prefix = null;
return next;
}
public void remove() {}
};
}
public Iterator iterator() {
return new Iterator() {
public boolean hasNext() { return false; }
public Binding next() { return null; }
public void remove() {}
};
}
};
}
@Override
public void writeBinary(DataHandler data) throws XMLStreamException {
// binaryText = BinaryTextImpl.createBinaryTextFromDataHandler((MessageImpl)soap, null, currentElement.getOwnerDocument(), data);
// currentElement.appendChild(binaryText);
addBinaryText(data);
}
@Override
public OutputStream writeBinary(String arg0) throws XMLStreamException {
return null;
}
@Override
public void writeBinary(byte[] data, int offset, int length, String contentType) throws XMLStreamException {
// if (mtomThreshold == -1 || mtomThreshold > length) return null;
byte[] bytes = (offset == 0 && length == data.length) ? data : Arrays.copyOfRange(data, offset, offset + length);
if (currentElement instanceof MtomEnabled) {
binaryText = ((MtomEnabled) currentElement).addBinaryText(bytes);
} else {
throw new IllegalStateException("The currentElement is not MtomEnabled " + currentElement);
}
}
@Override
public void writePCDATA(CharSequence arg0) throws XMLStreamException {
if (arg0 instanceof Base64Data) {
// The fix of StreamReaderBufferCreator preserves this dataHandler
addBinaryText(((Base64Data) arg0).getDataHandler());
} else {
// We should not normally get here as we expect a DataHandler,
// but this is the most general solution. If we do get
// something other than a Data Handler, create a Text node with
// the data. Another alternative would be to throw an exception,
// but in the most general case, we don't know whether this input
// is expected.
try {
currentElement.addTextNode(arg0.toString());
} catch (SOAPException e) {
throw new XMLStreamException("Cannot add Text node", e);
}
}
}
static private String encodeCid() {
String cid = "example.jaxws.sun.com";
String name = UUID.randomUUID() + "@";
return name + cid;
}
private String addBinaryText(DataHandler data) {
String hrefOrCid = null;
if (data instanceof StreamingDataHandler) {
hrefOrCid = ((StreamingDataHandler) data).getHrefCid();
}
if (hrefOrCid == null) hrefOrCid = encodeCid();
String prefixedCid = (hrefOrCid.startsWith("cid:")) ? hrefOrCid : "cid:" + hrefOrCid;
// Should we do the threshold processing on DataHandler ? But that would be
// expensive as DataHolder need to read the data again from its source
//binaryText = BinaryTextImpl.createBinaryTextFromDataHandler((MessageImpl) soap, prefixedCid, currentElement.getOwnerDocument(), data);
//currentElement.appendChild(binaryText);
if (currentElement instanceof MtomEnabled) {
binaryText = ((MtomEnabled) currentElement).addBinaryText(prefixedCid, data);
} else {
throw new IllegalStateException("The currentElement is not MtomEnabled " + currentElement);
}
return hrefOrCid;
}
public AttachmentMarshaller getAttachmentMarshaller() {
return new AttachmentMarshaller() {
@Override
public String addMtomAttachment(DataHandler data, String ns, String ln) {
// if (mtomThreshold == -1) return null;
String hrefOrCid = addBinaryText(data);
// return binaryText.getHref();
return hrefOrCid;
}
@Override
public String addMtomAttachment(byte[] data, int offset, int length, String mimeType, String ns, String ln) {
// if (mtomThreshold == -1 || mtomThreshold > length) return null;
byte[] bytes = (offset == 0 && length == data.length) ? data : Arrays.copyOfRange(data, offset, offset + length);
// binaryText = (BinaryTextImpl) ((ElementImpl) currentElement).addAsBase64TextNode(bytes);
if (currentElement instanceof MtomEnabled) {
binaryText = ((MtomEnabled) currentElement).addBinaryText(bytes);
} else {
throw new IllegalStateException("The currentElement is not MtomEnabled " + currentElement);
}
return binaryText.getHref();
}
@Override
public String addSwaRefAttachment(DataHandler data) {
return "cid:"+encodeCid();
}
@Override
public boolean isXOPPackage() {
return true;
}
};
}
}