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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.rhino.builder;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.wsdl.Input;
import javax.wsdl.Message;
import javax.wsdl.Operation;
import javax.wsdl.Part;
import javax.wsdl.PortType;
import org.apache.tuscany.container.rhino.assembly.JavaScriptImplementation;
import org.apache.tuscany.container.rhino.config.JavaScriptContextFactory;
import org.apache.tuscany.container.rhino.rhino.E4XDataBinding;
import org.apache.tuscany.container.rhino.rhino.RhinoE4XScript;
import org.apache.tuscany.container.rhino.rhino.RhinoScript;
import org.apache.tuscany.core.builder.BuilderConfigException;
import org.apache.tuscany.core.builder.ContextFactory;
import org.apache.tuscany.core.extension.ContextFactoryBuilderSupport;
import org.apache.tuscany.model.assembly.Scope;
import org.apache.tuscany.model.assembly.Service;
import org.apache.tuscany.model.assembly.ServiceContract;
import org.apache.tuscany.model.types.wsdl.WSDLServiceContract;
import commonj.sdo.helper.TypeHelper;
/**
* Builds {@link org.apache.tuscany.container.rhino.config.JavaScriptContextFactory}s from a JavaScript component type
*
* @version $Rev$ $Date$
*/
@org.osoa.sca.annotations.Scope("MODULE")
public class JavaScriptContextFactoryBuilder extends ContextFactoryBuilderSupport<JavaScriptImplementation> {
@Override
protected ContextFactory createContextFactory(String componentName, JavaScriptImplementation jsImplementation, Scope scope) {
Map<String, Class> services = new HashMap<String, Class>();
for (Service service : jsImplementation.getComponentType().getServices()) {
services.put(service.getName(), service.getServiceContract().getInterface());
}
Map<String, Object> defaultProperties = new HashMap<String, Object>();
for (org.apache.tuscany.model.assembly.Property property : jsImplementation.getComponentType().getProperties()) {
defaultProperties.put(property.getName(), property.getDefaultValue());
}
String script = jsImplementation.getScript();
ClassLoader cl = jsImplementation.getResourceLoader().getClassLoader();
RhinoScript invoker;
if (isE4XStyle(componentName, jsImplementation.getComponentType().getServices())) {
E4XDataBinding dataBinding = createDataBinding(jsImplementation);
invoker = new RhinoE4XScript(componentName, script, defaultProperties, cl, dataBinding);
} else {
invoker = new RhinoScript(componentName, script, defaultProperties, cl);
}
Map<String, Object> properties = new HashMap<String, Object>();
JavaScriptContextFactory contextFactory = new JavaScriptContextFactory(componentName, scope, services, properties, invoker);
return contextFactory;
}
/**
* Tests if this should be an E4X style service
* Its E4X if the JavaScript component uses WSDL to define its interface
*/
protected boolean isE4XStyle(String componentName, List<Service> services) {
Boolean isE4XStyle = null;
for (Service service : services) {
ServiceContract sc = service.getServiceContract();
if (sc instanceof WSDLServiceContract) {
if (isE4XStyle != null && !isE4XStyle.booleanValue()) {
throw new BuilderConfigException("mixed service interface types not supportted");
}
isE4XStyle = Boolean.TRUE;
} else {
isE4XStyle = Boolean.FALSE;
}
}
return isE4XStyle.booleanValue();
}
/**
* Create the data binding for the component initialized for each operation in the service
*/
protected E4XDataBinding createDataBinding(JavaScriptImplementation jsImplementation) {
ClassLoader classLoader = jsImplementation.getResourceLoader().getClassLoader();
TypeHelper typeHelper = jsImplementation.getTypeHelper();
E4XDataBinding dataBinding = new E4XDataBinding(classLoader, typeHelper);
for (Service service : jsImplementation.getComponentType().getServices()) {
ServiceContract sc = service.getServiceContract();
if (sc instanceof WSDLServiceContract) {
PortType pt = ((WSDLServiceContract) sc).getPortType();
for (Object o : pt.getOperations()) {
Operation operation = (Operation) o;
Input input = operation.getInput();
if (input != null) {
Message message = input.getMessage();
if (message != null) {
List parts = message.getOrderedParts(null);
if (parts != null && parts.size() > 0) {
Part part = (Part) parts.get(0);
dataBinding.addElementQName(operation.getName(), part.getElementName());
}
}
}
}
}
}
return dataBinding;
}
}
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