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package com.sun.xml.ws.addressing;
import com.sun.istack.NotNull;
import com.sun.istack.Nullable;
import com.sun.xml.stream.buffer.XMLStreamBufferSource;
import com.sun.xml.stream.buffer.stax.StreamWriterBufferCreator;
import com.sun.xml.ws.api.addressing.AddressingVersion;
import com.sun.xml.ws.developer.MemberSubmissionEndpointReference;
import com.sun.xml.ws.util.DOMUtil;
import com.sun.xml.ws.util.xml.XmlUtil;
import com.sun.xml.ws.wsdl.parser.WSDLConstants;
import com.sun.xml.ws.addressing.v200408.MemberSubmissionAddressingConstants;
import org.w3c.dom.*;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.transform.dom.DOMResult;
import javax.xml.ws.EndpointReference;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.wsaddressing.W3CEndpointReference;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
/**
* @author Rama Pulavarthi
*/
public class EndpointReferenceUtil {
/**
* Gives the EPR based on the clazz. It may need to perform tranformation from
* W3C EPR to MS EPR or vise-versa.
*/
public static T transform(Class clazz, @NotNull EndpointReference epr) {
assert epr != null;
if (clazz.isAssignableFrom(W3CEndpointReference.class)) {
if (epr instanceof W3CEndpointReference) {
return (T) epr;
} else if (epr instanceof MemberSubmissionEndpointReference) {
return (T) toW3CEpr((MemberSubmissionEndpointReference) epr);
}
} else if (clazz.isAssignableFrom(MemberSubmissionEndpointReference.class)) {
if (epr instanceof W3CEndpointReference) {
return (T) toMSEpr((W3CEndpointReference) epr);
} else if (epr instanceof MemberSubmissionEndpointReference) {
return (T) epr;
}
}
//This must be an EPR that we dont know
throw new WebServiceException("Unknwon EndpointReference: " + epr.getClass());
}
//TODO: bit of redundency on writes of w3c epr, should modularize it
private static W3CEndpointReference toW3CEpr(MemberSubmissionEndpointReference msEpr) {
StreamWriterBufferCreator writer = new StreamWriterBufferCreator();
w3cMetadataWritten = false;
try {
writer.writeStartDocument();
writer.writeStartElement(AddressingVersion.W3C.getPrefix(),
"EndpointReference", AddressingVersion.W3C.nsUri);
writer.writeNamespace(AddressingVersion.W3C.getPrefix(),
AddressingVersion.W3C.nsUri);
//write wsa:Address
writer.writeStartElement(AddressingVersion.W3C.getPrefix(),
W3CAddressingConstants.WSA_ADDRESS_NAME, AddressingVersion.W3C.nsUri);
writer.writeCharacters(msEpr.addr.uri);
writer.writeEndElement();
//TODO: write extension attributes on wsa:Address
if ((msEpr.referenceProperties != null && msEpr.referenceProperties.elements.size() > 0) ||
(msEpr.referenceParameters != null && msEpr.referenceParameters.elements.size() > 0)) {
writer.writeStartElement(AddressingVersion.W3C.getPrefix(), "ReferenceParameters", AddressingVersion.W3C.nsUri);
//write ReferenceProperties
if (msEpr.referenceProperties != null) {
for (Element e : msEpr.referenceProperties.elements) {
DOMUtil.serializeNode(e, writer);
}
}
//write referenceParameters
if (msEpr.referenceParameters != null) {
for (Element e : msEpr.referenceParameters.elements) {
DOMUtil.serializeNode(e, writer);
}
}
writer.writeEndElement();
}
// Supress writing ServiceName and EndpointName in W3CEPR,
// Until the ns for those metadata elements is resolved.
/*
//Write Interface info
if (msEpr.portTypeName != null) {
writeW3CMetadata(writer);
writer.writeStartElement(AddressingVersion.W3C.getWsdlPrefix(),
W3CAddressingConstants.WSAW_INTERFACENAME_NAME,
AddressingVersion.W3C.wsdlNsUri);
writer.writeNamespace(AddressingVersion.W3C.getWsdlPrefix(),
AddressingVersion.W3C.wsdlNsUri);
String portTypePrefix = fixNull(msEpr.portTypeName.name.getPrefix());
writer.writeNamespace(portTypePrefix, msEpr.portTypeName.name.getNamespaceURI());
if (portTypePrefix.equals(""))
writer.writeCharacters(msEpr.portTypeName.name.getLocalPart());
else
writer.writeCharacters(portTypePrefix + ":" + msEpr.portTypeName.name.getLocalPart());
writer.writeEndElement();
}
if (msEpr.serviceName != null) {
writeW3CMetadata(writer);
//Write service and Port info
writer.writeStartElement(AddressingVersion.W3C.getWsdlPrefix(),
W3CAddressingConstants.WSAW_SERVICENAME_NAME,
AddressingVersion.W3C.wsdlNsUri);
writer.writeNamespace(AddressingVersion.W3C.getWsdlPrefix(),
AddressingVersion.W3C.wsdlNsUri);
String servicePrefix = fixNull(msEpr.serviceName.name.getPrefix());
if (msEpr.serviceName.portName != null)
writer.writeAttribute(W3CAddressingConstants.WSAW_ENDPOINTNAME_NAME,
msEpr.serviceName.portName);
writer.writeNamespace(servicePrefix, msEpr.serviceName.name.getNamespaceURI());
if (servicePrefix.length() > 0)
writer.writeCharacters(servicePrefix + ":" + msEpr.serviceName.name.getLocalPart());
else
writer.writeCharacters(msEpr.serviceName.name.getLocalPart());
writer.writeEndElement();
}
*/
//TODO: revisit this
Element wsdlElement = null;
//Check for wsdl in extension elements
if ((msEpr.elements != null) && (msEpr.elements.size() > 0)) {
for (Element e : msEpr.elements) {
if(e.getNamespaceURI().equals(MemberSubmissionAddressingConstants.MEX_METADATA.getNamespaceURI()) &&
e.getLocalName().equals(MemberSubmissionAddressingConstants.MEX_METADATA.getLocalPart())) {
NodeList nl = e.getElementsByTagNameNS(WSDLConstants.NS_WSDL,
WSDLConstants.QNAME_DEFINITIONS.getLocalPart());
if(nl != null)
wsdlElement = (Element) nl.item(0);
}
}
}
//write WSDL
if (wsdlElement != null) {
DOMUtil.serializeNode(wsdlElement, writer);
}
if (w3cMetadataWritten)
writer.writeEndElement();
//TODO revisit this
//write extension elements
if ((msEpr.elements != null) && (msEpr.elements.size() > 0)) {
for (Element e : msEpr.elements) {
if (e.getNamespaceURI().equals(WSDLConstants.NS_WSDL) &&
e.getLocalName().equals(WSDLConstants.QNAME_DEFINITIONS.getLocalPart())) {
// Don't write it as this is written already in Metadata
}
DOMUtil.serializeNode(e, writer);
}
}
//TODO:write extension attributes
//
writer.writeEndElement();
writer.writeEndDocument();
writer.flush();
} catch (XMLStreamException e) {
throw new WebServiceException(e);
}
return new W3CEndpointReference(new XMLStreamBufferSource(writer.getXMLStreamBuffer()));
}
private static boolean w3cMetadataWritten = false;
private static void writeW3CMetadata(StreamWriterBufferCreator writer) throws XMLStreamException {
if (!w3cMetadataWritten) {
writer.writeStartElement(AddressingVersion.W3C.getPrefix(), W3CAddressingConstants.WSA_METADATA_NAME, AddressingVersion.W3C.nsUri);
w3cMetadataWritten = true;
}
}
private static MemberSubmissionEndpointReference toMSEpr(W3CEndpointReference w3cEpr) {
DOMResult result = new DOMResult();
w3cEpr.writeTo(result);
Node eprNode = result.getNode();
Element e = DOMUtil.getFirstElementChild(eprNode);
if (e == null)
return null;
MemberSubmissionEndpointReference msEpr = new MemberSubmissionEndpointReference();
NodeList nodes = e.getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
if (nodes.item(i).getNodeType() == Node.ELEMENT_NODE) {
Element child = (Element) nodes.item(i);
if (child.getNamespaceURI().equals(AddressingVersion.W3C.nsUri) &&
child.getLocalName().equals(W3CAddressingConstants.WSA_ADDRESS_NAME)) {
if (msEpr.addr == null)
msEpr.addr = new MemberSubmissionEndpointReference.Address();
msEpr.addr.uri = XmlUtil.getTextForNode(child);
//now add the attribute extensions
msEpr.addr.attributes = getAttributes(child);
} else if (child.getNamespaceURI().equals(AddressingVersion.W3C.nsUri) &&
child.getLocalName().equals("ReferenceParameters")) {
NodeList refParams = child.getChildNodes();
for (int j = 0; j < refParams.getLength(); j++) {
if (refParams.item(j).getNodeType() == Node.ELEMENT_NODE) {
if (msEpr.referenceParameters == null) {
msEpr.referenceParameters = new MemberSubmissionEndpointReference.Elements();
msEpr.referenceParameters.elements = new ArrayList();
}
msEpr.referenceParameters.elements.add((Element) refParams.item(j));
}
}
} else if (child.getNamespaceURI().equals(AddressingVersion.W3C.nsUri) &&
child.getLocalName().equals(W3CAddressingConstants.WSA_METADATA_NAME)) {
NodeList metadata = child.getChildNodes();
for (int j = 0; j < metadata.getLength(); j++) {
Node node = metadata.item(j);
if (node.getNodeType() != Node.ELEMENT_NODE)
continue;
Element elm = (Element) node;
if (elm.getNamespaceURI().equals(AddressingVersion.W3C.wsdlNsUri) &&
elm.getLocalName().equals(W3CAddressingConstants.WSAW_SERVICENAME_NAME)) {
msEpr.serviceName = new MemberSubmissionEndpointReference.ServiceNameType();
msEpr.serviceName.portName = elm.getAttribute(W3CAddressingConstants.WSAW_ENDPOINTNAME_NAME);
String service = elm.getTextContent();
String prefix = XmlUtil.getPrefix(service);
String name = XmlUtil.getLocalPart(service);
//if there is no service name then its not a valid EPR but lets continue as its optional anyway
if (name == null)
continue;
if (prefix != null) {
String ns = elm.lookupNamespaceURI(prefix);
if (ns != null)
msEpr.serviceName.name = new QName(ns, name, prefix);
} else {
msEpr.serviceName.name = new QName(null, name);
}
msEpr.serviceName.attributes = getAttributes(elm);
} else if (elm.getNamespaceURI().equals(AddressingVersion.W3C.wsdlNsUri) &&
elm.getLocalName().equals(W3CAddressingConstants.WSAW_INTERFACENAME_NAME)) {
msEpr.portTypeName = new MemberSubmissionEndpointReference.AttributedQName();
String portType = elm.getTextContent();
String prefix = XmlUtil.getPrefix(portType);
String name = XmlUtil.getLocalPart(portType);
//if there is no portType name then its not a valid EPR but lets continue as its optional anyway
if (name == null)
continue;
if (prefix != null) {
String ns = elm.lookupNamespaceURI(prefix);
if (ns != null)
msEpr.portTypeName.name = new QName(ns, name, prefix);
} else {
msEpr.portTypeName.name = new QName(null, name);
}
msEpr.portTypeName.attributes = getAttributes(elm);
} else if(elm.getNamespaceURI().equals(WSDLConstants.NS_WSDL) &&
elm.getLocalName().equals(WSDLConstants.QNAME_DEFINITIONS.getLocalPart())) {
Document doc = DOMUtil.createDom();
Element mexEl = doc.createElementNS(MemberSubmissionAddressingConstants.MEX_METADATA.getNamespaceURI(),
MemberSubmissionAddressingConstants.MEX_METADATA.getPrefix()+":"
+MemberSubmissionAddressingConstants.MEX_METADATA.getLocalPart());
Element metadataEl = doc.createElementNS(MemberSubmissionAddressingConstants.MEX_METADATA_SECTION.getNamespaceURI(),
MemberSubmissionAddressingConstants.MEX_METADATA_SECTION.getPrefix()+":"
+MemberSubmissionAddressingConstants.MEX_METADATA_SECTION.getLocalPart());
metadataEl.setAttribute(MemberSubmissionAddressingConstants.MEX_METADATA_DIALECT_ATTRIBUTE,
MemberSubmissionAddressingConstants.MEX_METADATA_DIALECT_VALUE);
metadataEl.appendChild(elm);
mexEl.appendChild(metadataEl);
} else {
//TODO : Revisit this
//its extensions in META-DATA and should be copied to extensions in MS EPR
if (msEpr.elements == null) {
msEpr.elements = new ArrayList();
}
msEpr.elements.add(elm);
}
}
} else {
//its extensions
if (msEpr.elements == null) {
msEpr.elements = new ArrayList();
}
msEpr.elements.add((Element) child);
}
} else if (nodes.item(i).getNodeType() == Node.ATTRIBUTE_NODE) {
Node n = nodes.item(i);
if (msEpr.attributes == null) {
msEpr.attributes = new HashMap();
String prefix = fixNull(n.getPrefix());
String ns = fixNull(n.getNamespaceURI());
String localName = n.getLocalName();
msEpr.attributes.put(new QName(ns, localName, prefix), n.getNodeValue());
}
}
}
return msEpr;
}
private static Map getAttributes(Node node) {
Map attribs = null;
NamedNodeMap nm = node.getAttributes();
for (int i = 0; i < nm.getLength(); i++) {
if (attribs == null)
attribs = new HashMap();
Node n = nm.item(i);
String prefix = fixNull(n.getPrefix());
String ns = fixNull(n.getNamespaceURI());
String localName = n.getLocalName();
if (prefix.equals("xmlns") || prefix.length() == 0 && localName.equals("xmlns"))
continue;
//exclude some attributes
if (!localName.equals(W3CAddressingConstants.WSAW_ENDPOINTNAME_NAME))
attribs.put(new QName(ns, localName, prefix), n.getNodeValue());
}
return attribs;
}
private static
@NotNull
String fixNull(@Nullable String s) {
if (s == null) return "";
else return s;
}
}
