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/*
* 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.tuscany.container.javascript;
import java.util.Iterator;
import java.util.Map;
import javax.wsdl.Definition;
import javax.wsdl.PortType;
import javax.wsdl.WSDLException;
import javax.wsdl.factory.WSDLFactory;
import javax.wsdl.xml.WSDLReader;
import javax.xml.namespace.QName;
import org.apache.tuscany.spi.annotation.Autowire;
import org.apache.tuscany.spi.idl.InvalidServiceContractException;
import org.apache.tuscany.spi.idl.java.JavaInterfaceProcessorRegistry;
import org.apache.tuscany.spi.loader.MissingResourceException;
import org.apache.tuscany.spi.model.ComponentType;
import org.apache.tuscany.spi.model.Scope;
import org.apache.tuscany.spi.model.ServiceContract;
import org.apache.tuscany.spi.model.ServiceDefinition;
import org.apache.tuscany.container.javascript.rhino.RhinoSCAConfig;
import org.apache.tuscany.idl.wsdl.WSDLDefinitionRegistry;
import org.apache.tuscany.idl.wsdl.WSDLServiceContract;
/**
* Introspects JavaScript files for SCA configuration
*/
public class JavaScriptIntrospector {
private WSDLDefinitionRegistry wsdlRegistry;
private JavaInterfaceProcessorRegistry processorRegistry;
public JavaScriptIntrospector(@Autowire WSDLDefinitionRegistry wsdlRegistry,
@Autowire JavaInterfaceProcessorRegistry processorRegistry) {
this.wsdlRegistry = wsdlRegistry;
this.processorRegistry = processorRegistry;
}
public JavaScriptComponentType introspectScript(RhinoSCAConfig scaConfig, ClassLoader cl)
throws MissingResourceException, InvalidServiceContractException {
JavaScriptComponentType componentType = new JavaScriptComponentType();
introspectJavaInterface(componentType, cl, scaConfig.getJavaInterface());
introspectWSDLInterface(componentType, cl, scaConfig.getWSDLNamespace(), scaConfig.getWSDLPortType(),
scaConfig.getWSDLLocation());
introspectReferences(componentType, cl, scaConfig.getReferences());
introspectProperties(componentType, cl, scaConfig.getProperties());
introspectScope(componentType, scaConfig.getScope());
return componentType;
}
private void introspectScope(JavaScriptComponentType componentType, Scope scope) {
if (scope != null) {
componentType.setImplementationScope(scope);
}
}
@SuppressWarnings("unchecked")
private void introspectJavaInterface(ComponentType componentType, ClassLoader cl, String serviceClass)
throws MissingResourceException, InvalidServiceContractException {
if (serviceClass != null) {
ServiceDefinition service = new ServiceDefinition();
try {
ServiceContract<?> sc = processorRegistry.introspect(Class.forName(serviceClass));
service.setServiceContract(sc);
service.setName(sc.getInterfaceClass().getSimpleName());
componentType.add(service);
} catch (ClassNotFoundException e) {
throw new MissingResourceException("Interface not found", e);
}
}
}
@SuppressWarnings("unchecked")
private void introspectWSDLInterface(ComponentType componentType, ClassLoader cl, String wsdlNamespace,
String wsdlPortType, String wsdlLocation) {
if (wsdlNamespace == null && wsdlPortType == null && wsdlLocation == null) {
return;
}
PortType portType = null;
if (wsdlLocation != null) {
portType = readWSDLPortType(wsdlNamespace, wsdlPortType, wsdlLocation, portType);
} else {
portType = getPortType(wsdlNamespace, wsdlPortType);
}
ServiceDefinition service = new ServiceDefinition();
WSDLServiceContract wsdlSC = new WSDLServiceContract();
wsdlSC.setPortType(portType);
service.setServiceContract(wsdlSC);
componentType.add(service);
}
private PortType readWSDLPortType(String wsdlNamespace, String wsdlPortType, String wsdlLocation,
PortType portType) {
Definition wsdlDefinition;
try {
WSDLReader reader = WSDLFactory.newInstance().newWSDLReader();
reader.setFeature("javax.wsdl.verbose", false);
wsdlDefinition = reader.readWSDL(wsdlLocation.toString());
} catch (WSDLException e) {
throw new RuntimeException(e);
}
Map portTypes = wsdlDefinition.getPortTypes();
for (Iterator i = portTypes.keySet().iterator(); i.hasNext();) {
QName portTypeQN = (QName) i.next();
if (wsdlNamespace != null) {
if (!portTypeQN.getNamespaceURI().equals(wsdlNamespace)) {
continue;
}
}
if (wsdlPortType != null) {
if (!portTypeQN.getLocalPart().equals(wsdlPortType)) {
continue;
}
}
if (portType != null) {
throw new RuntimeException("multiple matching portTypes in wsdl: " + wsdlLocation);
}
portType = (PortType) portTypes.get(portTypeQN);
}
if (portType == null) {
throw new RuntimeException("portType not found in wsdl: " + wsdlLocation);
}
return portType;
}
private PortType getPortType(String wsdlNamespace, String wsdlPortType) {
if (wsdlPortType == null) {
throw new IllegalArgumentException("must specify the wsdlPortType in script SCA config");
}
PortType portType = null;
if (wsdlNamespace != null) {
QName portTypeQN = new QName(wsdlNamespace.toString(), wsdlPortType.toString());
portType = wsdlRegistry.getPortType(portTypeQN);
if (portType == null) {
throw new IllegalArgumentException("no WSDL registered for portType: " + portTypeQN);
}
} else {
// wsdlRegistry.getPortType(wsdlPortType.toString());
if (portType == null) {
throw new IllegalArgumentException("no WSDL registered for portType:" + wsdlPortType);
}
}
return portType;
}
private void introspectProperties(ComponentType componentType, ClassLoader cl, Map properties) {
}
private void introspectReferences(ComponentType componentType, ClassLoader cl, Map references) {
}
}
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