/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.servicemix.jsr181.xfire;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.jbi.JBIException;
import javax.jbi.component.ComponentContext;
import javax.jbi.servicedesc.ServiceEndpoint;
import javax.wsdl.Definition;
import javax.wsdl.factory.WSDLFactory;
import javax.wsdl.xml.WSDLReader;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.stream.StreamSource;
import javax.xml.ws.WebFault;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.codehaus.xfire.XFire;
import org.codehaus.xfire.annotations.AnnotationServiceFactory;
import org.codehaus.xfire.client.Client;
import org.codehaus.xfire.client.XFireProxyFactory;
import org.codehaus.xfire.fault.XFireFault;
import org.codehaus.xfire.jaxws.JAXWSServiceFactory;
import org.codehaus.xfire.service.OperationInfo;
import org.codehaus.xfire.service.Service;
import org.codehaus.xfire.service.ServiceFactory;
import org.codehaus.xfire.util.jdom.StaxSerializer;
import org.jdom.Element;
import org.w3c.dom.Document;
import com.ibm.wsdl.Constants;
public class JbiProxy {
private static final Log logger = LogFactory.getLog(JbiProxyFactoryBean.class);
protected XFire xfire;
protected ComponentContext context;
protected QName interfaceName;
protected QName serviceName;
protected String endpointName;
protected Object proxy;
protected Class serviceClass;
protected Definition description;
protected ServiceEndpoint endpoint;
protected boolean propagateSecurityContext;
public static Object create(XFire xfire,
ComponentContext context,
QName interfaceName,
QName serviceName,
String endpointName,
Class serviceClass) throws Exception {
JbiProxy p = new JbiProxy(xfire, context, serviceClass, interfaceName, serviceName, endpointName);
return p.getProxy();
}
public static Object create(XFire xfire,
ComponentContext context,
QName interfaceName,
QName serviceName,
String endpointName,
Class serviceClass,
boolean propagateSecurityContext) throws Exception {
JbiProxy p = new JbiProxy(xfire, context, serviceClass, interfaceName, serviceName, endpointName, propagateSecurityContext);
return p.getProxy();
}
public JbiProxy(XFire xfire,
ComponentContext context,
Class serviceClass,
Definition description) throws Exception {
this.xfire = xfire;
this.context = context;
this.serviceClass = serviceClass;
this.description = description;
}
public JbiProxy(XFire xfire,
ComponentContext context,
Class serviceClass,
QName interfaceName,
QName serviceName,
String endpointName) throws Exception {
this.xfire = xfire;
this.context = context;
this.interfaceName = interfaceName;
this.serviceName = serviceName;
this.endpointName = endpointName;
this.serviceClass = serviceClass;
}
public JbiProxy(XFire xfire,
ComponentContext context,
Class serviceClass,
QName interfaceName,
QName serviceName,
String endpointName,
boolean propagateSecurityContext) throws Exception {
this.xfire = xfire;
this.context = context;
this.interfaceName = interfaceName;
this.serviceName = serviceName;
this.endpointName = endpointName;
this.serviceClass = serviceClass;
this.propagateSecurityContext = propagateSecurityContext;
}
public Object getProxy() throws Exception {
if (proxy == null) {
Map props = new HashMap();
props.put(AnnotationServiceFactory.ALLOW_INTERFACE, Boolean.TRUE);
ServiceFactory factory = ServiceFactoryHelper.findServiceFactory(xfire, serviceClass, null, null);
Service service = factory.create(serviceClass, props);
JBIClient client;
if (factory instanceof JAXWSServiceFactory) {
client = new JAXWSJBIClient(xfire, service);
} else {
client = new JBIClient(xfire, service);
}
if (interfaceName != null) {
client.getService().setProperty(JbiChannel.JBI_INTERFACE_NAME, interfaceName);
}
if (serviceName != null) {
client.getService().setProperty(JbiChannel.JBI_SERVICE_NAME, serviceName);
}
if (endpoint != null) {
client.getService().setProperty(JbiChannel.JBI_ENDPOINT, endpoint);
}
client.getService().setProperty(JbiChannel.JBI_SECURITY_PROPAGATATION, Boolean.valueOf(propagateSecurityContext));
XFireProxyFactory xpf = new XFireProxyFactory(xfire);
proxy = xpf.create(client);
}
return proxy;
}
public Definition getDescription() throws Exception {
if (this.description == null) {
ServiceEndpoint[] endpoints = getEndpoints();
if (endpoints == null || endpoints.length == 0) {
throw new IllegalStateException("No endpoints found for interface " + interfaceName + ", serviceName " + serviceName + " and endpoint " + endpointName);
}
ServiceEndpoint endpoint = chooseEndpoint(endpoints);
if (endpoint == null) {
throw new IllegalStateException("No suitable endpoint found");
}
if (serviceName != null && endpointName != null) {
this.endpoint = endpoint;
}
Document doc = context.getEndpointDescriptor(endpoint);
WSDLReader reader = WSDLFactory.newInstance().newWSDLReader();
reader.setFeature(Constants.FEATURE_VERBOSE, false);
this.description = reader.readWSDL(null, doc);
}
return this.description;
}
protected ServiceEndpoint[] getEndpoints() throws JBIException {
ServiceEndpoint[] endpoints;
if (endpointName != null && serviceName != null) {
ServiceEndpoint endpoint = context.getEndpoint(serviceName, endpointName);
if (endpoint == null) {
endpoints = new ServiceEndpoint[0];
} else {
this.endpoint = endpoint;
endpoints = new ServiceEndpoint[] { endpoint };
}
} else if (serviceName != null) {
endpoints = context.getEndpointsForService(serviceName);
} else if (interfaceName != null) {
endpoints = context.getEndpoints(interfaceName);
} else {
throw new IllegalStateException("One of interfaceName or serviceName should be provided");
}
return endpoints;
}
protected ServiceEndpoint chooseEndpoint(ServiceEndpoint[] endpoints) throws JBIException {
for (int i = 0; i < endpoints.length; i++) {
if (context.getEndpointDescriptor(endpoints[i]) != null) {
return endpoints[i];
}
}
return null;
}
protected static class JBIClient extends Client {
public JBIClient(XFire xfire, Service service) throws Exception {
super(xfire.getTransportManager().getTransport(JbiTransport.JBI_BINDING),
service,
null);
setXFire(xfire);
}
}
protected static class JAXWSJBIClient extends JBIClient {
public JAXWSJBIClient(XFire xfire, Service service) throws Exception {
super(xfire, service);
}
public Object[] invoke(OperationInfo op, Object[] params) throws Exception {
try {
return super.invoke(op, params);
} catch (Exception e) {
throw translateException(op.getMethod(), e);
}
}
protected Exception translateException(Method method, Exception t) {
if (t instanceof XFireFault == false) {
logger.debug("Exception is not an XFireFault");
return t;
}
XFireFault xfireFault = (XFireFault) t;
if (!xfireFault.hasDetails()) {
logger.debug("XFireFault has no details");
return t;
}
// Get first child element of <detail/>
List details = xfireFault.getDetail().getContent();
Element detail = null;
for (Object o : details) {
if (o instanceof Element) {
detail = (Element) o;
break;
}
}
if (detail == null) {
logger.debug("XFireFault has no element in <detail/>");
return t;
}
QName qname = new QName(detail.getNamespaceURI(),
detail.getName());
Class<?>[] exceptions = method.getExceptionTypes();
for (int i = 0; i < exceptions.length; i++) {
logger.debug("Checking exception: " + exceptions[i]);
WebFault wf = exceptions[i].getAnnotation(WebFault.class);
if (wf == null) {
logger.debug("No WebFault annotation");
continue;
}
QName exceptionName = new QName(wf.targetNamespace(), wf.name());
if (exceptionName.equals(qname)) {
try {
Method mth = exceptions[i].getMethod("getFaultInfo");
Class<?> infoClass = mth.getReturnType();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
XMLStreamWriter writer = XMLOutputFactory.newInstance().createXMLStreamWriter(baos);
new StaxSerializer().writeElement(detail, writer);
writer.close();
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
JAXBElement<?> obj = JAXBContext.newInstance(infoClass).createUnmarshaller().unmarshal(new StreamSource(bais), infoClass);
Constructor<?> cst = exceptions[i].getConstructor(String.class, infoClass);
Exception e = (Exception) cst.newInstance(xfireFault.toString(), obj.getValue());
return e;
} catch (Throwable e) {
logger.debug("Error: " + e);
}
} else {
logger.debug("QName mismatch: element: " + qname + ", exception: " + exceptionName);
}
}
return t;
}
}
}