private static final Log log = LogFactory.getLog(ProxyServiceFactory.class);
public static ProxyService createProxy(OMElement elem, Properties properties) {
ProxyService proxy = null;
OMAttribute name = elem.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "name"));
if (name == null) {
handleException("The 'name' attribute is required for a Proxy service definition");
} else {
proxy = new ProxyService(name.getAttributeValue());
}
OMAttribute trans = elem.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "transports"));
if (trans != null) {
String transports = trans.getAttributeValue();
if (transports == null || ProxyService.ALL_TRANSPORTS.equals(transports)) {
// default to all transports using service name as destination
} else {
StringTokenizer st = new StringTokenizer(transports, " ,");
ArrayList<String> transportList = new ArrayList<String>();
while (st.hasMoreTokens()) {
String token = st.nextToken();
if (token.length() != 0) {
transportList.add(token);
}
}
proxy.setTransports(transportList);
}
}
OMAttribute pinnedServers = elem.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "pinnedServers"));
if (pinnedServers != null) {
String pinnedServersValue = pinnedServers.getAttributeValue();
if (pinnedServersValue == null) {
// default to all servers
} else {
StringTokenizer st = new StringTokenizer(pinnedServersValue, " ,");
List<String> pinnedServersList = new ArrayList<String>();
while (st.hasMoreTokens()) {
String token = st.nextToken();
if (token.length() != 0) {
pinnedServersList.add(token);
}
}
proxy.setPinnedServers(pinnedServersList);
}
}
OMAttribute trace = elem.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, XMLConfigConstants.TRACE_ATTRIB_NAME));
if (trace != null) {
String traceValue = trace.getAttributeValue();
if (traceValue != null) {
if (traceValue.equals(XMLConfigConstants.TRACE_ENABLE)) {
proxy.setTraceState(org.apache.synapse.SynapseConstants.TRACING_ON);
} else if (traceValue.equals(XMLConfigConstants.TRACE_DISABLE)) {
proxy.setTraceState(org.apache.synapse.SynapseConstants.TRACING_OFF);
}
}
}
OMAttribute startOnLoad = elem.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "startOnLoad"));
if (startOnLoad != null) {
proxy.setStartOnLoad(Boolean.valueOf(startOnLoad.getAttributeValue()));
} else {
proxy.setStartOnLoad(true);
}
OMAttribute serviceGroup = elem.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "serviceGroup"));
if (serviceGroup != null) {
proxy.setServiceGroup(serviceGroup.getAttributeValue());
}
// setting the description of the proxy service
OMElement descriptionElement = elem.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "description"));
if (descriptionElement != null) {
proxy.setDescription(descriptionElement.getText().trim());
}
// read definition of the target of this proxy service. The target could be an 'endpoint'
// or a named sequence. If none of these are specified, the messages would be mediated
// by the Synapse main mediator
OMElement target = elem.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "target"));
if (target != null) {
boolean isTargetOk = false;
SequenceMediatorFactory mediatorFactory = new SequenceMediatorFactory();
OMAttribute inSequence = target.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "inSequence"));
if (inSequence != null) {
proxy.setTargetInSequence(inSequence.getAttributeValue());
isTargetOk = true;
} else {
OMElement inSequenceElement = target.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "inSequence"));
if (inSequenceElement != null) {
proxy.setTargetInLineInSequence(
mediatorFactory.createAnonymousSequence(inSequenceElement, properties));
isTargetOk = true;
}
}
OMAttribute outSequence = target.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "outSequence"));
if (outSequence != null) {
proxy.setTargetOutSequence(outSequence.getAttributeValue());
} else {
OMElement outSequenceElement = target.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "outSequence"));
if (outSequenceElement != null) {
proxy.setTargetInLineOutSequence(mediatorFactory
.createAnonymousSequence(outSequenceElement, properties));
}
}
OMAttribute faultSequence = target.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "faultSequence"));
if (faultSequence != null) {
proxy.setTargetFaultSequence(faultSequence.getAttributeValue());
} else {
OMElement faultSequenceElement = target.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "faultSequence"));
if (faultSequenceElement != null) {
proxy.setTargetInLineFaultSequence(mediatorFactory
.createAnonymousSequence(faultSequenceElement, properties));
}
}
OMAttribute tgtEndpt = target.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "endpoint"));
if (tgtEndpt != null) {
proxy.setTargetEndpoint(tgtEndpt.getAttributeValue());
isTargetOk = true;
} else {
OMElement endpointElement = target.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "endpoint"));
if (endpointElement != null) {
proxy.setTargetInLineEndpoint(EndpointFactory.getEndpointFromElement(
endpointElement, true, properties));
isTargetOk = true;
}
}
if(!isTargetOk) {
handleException("Target of the proxy service must declare " +
"either an inSequence or endpoint or both");
}
} else {
handleException("Target is required for a Proxy service definition");
}
// read the WSDL, Schemas and Policies and set to the proxy service
OMElement wsdl = elem.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "publishWSDL"));
if (wsdl != null) {
OMAttribute wsdlkey = wsdl.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "key"));
if (wsdlkey != null) {
proxy.setWSDLKey(wsdlkey.getAttributeValue());
} else {
OMAttribute wsdlURI = wsdl.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "uri"));
if (wsdlURI != null) {
try {
proxy.setWsdlURI(new URI(wsdlURI.getAttributeValue()));
} catch (URISyntaxException e) {
String msg = "Error creating uri for proxy service wsdl";
log.error(msg);
handleException(msg, e);
}
} else {
OMElement wsdl11 = wsdl.getFirstChildWithName(
new QName(WSDLConstants.WSDL1_1_NAMESPACE, "definitions"));
if (wsdl11 != null) {
proxy.setInLineWSDL(wsdl11);
} else {
OMElement wsdl20 = wsdl.getFirstChildWithName(
new QName(WSDL2Constants.WSDL_NAMESPACE, "description"));
if (wsdl20 != null) {
proxy.setInLineWSDL(wsdl20);
}
}
}
}
proxy.setResourceMap(ResourceMapFactory.createResourceMap(wsdl));
}
Iterator policies = elem.getChildrenWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "policy"));
while (policies.hasNext()) {
Object o = policies.next();
if (o instanceof OMElement) {
OMElement policy = (OMElement) o;
OMAttribute key = policy.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "key"));
OMAttribute type = policy.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "type"));
OMAttribute operationName = policy.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "operationName"));
OMAttribute operationNS = policy.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "operationNamespace"));
if (key != null) {
PolicyInfo pi = new PolicyInfo(key.getAttributeValue());
if (type != null && type.getAttributeValue() != null) {
if ("in".equals(type.getAttributeValue())) {
pi.setType(PolicyInfo.MESSAGE_TYPE_IN);
} else if ("out".equals(type.getAttributeValue())) {
pi.setType(PolicyInfo.MESSAGE_TYPE_OUT);
} else {
handleException("Undefined policy type for the policy with key : "
+ key.getAttributeValue());
}
}
if (operationName != null && operationName.getAttributeValue() != null) {
if (operationNS != null && operationNS.getAttributeValue() != null) {
pi.setOperation(new QName(operationNS.getAttributeValue(),
operationName.getAttributeValue()));
} else {
pi.setOperation(new QName(operationName.getAttributeValue()));
}
}
proxy.addPolicyInfo(pi);
} else {
handleException("Policy element does not specify the policy key");
}
} else {
handleException("Invalid 'policy' element found under element 'policies'");
}
}
String nameString = proxy.getName();
if (nameString == null || "".equals(nameString)) {
nameString = SynapseConstants.ANONYMOUS_PROXYSERVICE;
}
AspectConfiguration aspectConfiguration = new AspectConfiguration(nameString);
proxy.configure(aspectConfiguration);
OMAttribute statistics = elem.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE,
XMLConfigConstants.STATISTICS_ATTRIB_NAME));
if (statistics != null) {
String statisticsValue = statistics.getAttributeValue();
if (statisticsValue != null) {
if (XMLConfigConstants.STATISTICS_ENABLE.equals(statisticsValue)) {
aspectConfiguration.enableStatistics();
}
}
}
Iterator props = elem.getChildrenWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "parameter"));
while (props.hasNext()) {
Object o = props.next();
if (o instanceof OMElement) {
OMElement prop = (OMElement) o;
OMAttribute pname = prop.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "name"));
OMElement propertyValue = prop.getFirstElement();
if (pname != null) {
if (propertyValue != null) {
proxy.addParameter(pname.getAttributeValue(), propertyValue);
} else {
proxy.addParameter(pname.getAttributeValue(), prop.getText().trim());
}
} else {
handleException("Invalid property specified for proxy service : " + name);
}
} else {
handleException("Invalid property specified for proxy service : " + name);
}
}
if (elem.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "enableAddressing")) != null) {
proxy.setWsAddrEnabled(true);
}
if (elem.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "enableRM")) != null) {
proxy.setWsRMEnabled(true);
}
if (elem.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "enableSec")) != null) {
proxy.setWsSecEnabled(true);
}
return proxy;
}