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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.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.tuscany.container.javascript.rhino.RhinoScript;
import org.apache.tuscany.container.javascript.utils.xmlfromxsd.XmlInstanceRegistry;
import org.apache.tuscany.spi.annotation.Autowire;
import org.apache.tuscany.spi.builder.BuilderConfigException;
import org.apache.tuscany.spi.component.Component;
import org.apache.tuscany.spi.component.CompositeComponent;
import org.apache.tuscany.spi.component.ScopeContainer;
import org.apache.tuscany.spi.deployer.DeploymentContext;
import org.apache.tuscany.spi.extension.ComponentBuilderExtension;
import org.apache.tuscany.spi.model.ComponentDefinition;
import org.apache.tuscany.spi.model.PropertyValue;
import org.apache.tuscany.spi.model.ServiceDefinition;
import org.apache.xmlbeans.XmlObject;
import org.osoa.sca.annotations.Constructor;
/**
* Extension point for creating {@link JavaScriptComponent}s from an assembly configuration
*/
public class JavaScriptComponentBuilder extends ComponentBuilderExtension<JavaScriptImplementation> {
private static String head = "var xmlInstanceMap = new Array();";
private static String part1 = "xmlInstanceMap[\"";
private static String part2 = "\"] = ";
private static String part3 = ";";
private static String getXmlObjectFunction =
"function getXmlObject(xmlElementNamespace, xmlElementName){\n" +
"return xmlInstanceMap[xmlElementNamespace + \"#\" + xmlElementName];\n}";
XmlInstanceRegistry xmlInstRegistry;
@Constructor({"xmlInstRegistry"})
public JavaScriptComponentBuilder(@Autowire XmlInstanceRegistry reg) {
this.xmlInstRegistry = reg;
}
protected Class<JavaScriptImplementation> getImplementationType() {
return JavaScriptImplementation.class;
}
@SuppressWarnings("unchecked")
public Component build(CompositeComponent parent, ComponentDefinition<JavaScriptImplementation> componentDefinition,
DeploymentContext deploymentContext) throws BuilderConfigException {
String name = componentDefinition.getName();
JavaScriptImplementation implementation = componentDefinition.getImplementation();
JavaScriptComponentType componentType = implementation.getComponentType();
// get list of serviceBindings provided by this component
Collection<ServiceDefinition> collection = componentType.getServices().values();
List<Class<?>> services = new ArrayList<Class<?>>(collection.size());
for (ServiceDefinition serviceDefinition : collection) {
services.add(serviceDefinition.getServiceContract().getInterfaceClass());
//do this for the set of references also
enhanceRhinoScript(serviceDefinition, implementation);
}
// get the properties for the component
Collection<PropertyValue<?>> propertyValues = componentDefinition.getPropertyValues().values();
Map<String, Object> properties = new HashMap<String, Object>();
for (PropertyValue propertyValue : propertyValues) {
properties.put(propertyValue.getName(), propertyValue.getValueFactory().getInstance());
}
RhinoScript rhinoScript = implementation.getRhinoScript();
return new JavaScriptComponent(name, rhinoScript, properties, parent, wireService, workContext , monitor);
}
private void enhanceRhinoScript(ServiceDefinition serviceDefn, JavaScriptImplementation implementation) throws BuilderConfigException {
//if the service interface of the component is a wsdl get the wsdl interface and generate
//xml instances for the elements in it. Add these xml instances to the rhinoscript.
//TODO : when interface.wsdl and wsdl registry is integrated remove this hardcoding and
//obtain wsdl from the interface.wsdl or wsdl registry
String wsdlPath = "org/apache/tuscany/container/javascript/rhino/helloworld.wsdl";
//this if block is a tempfix to get other testcases working. Again when a the interface.wsdl
//extension is in place this will be deleted. Right now this is the only way we know that
//a js has to do with an interface that is wsdl.
if (!implementation.getRhinoScript().getScriptName().endsWith("e4x.js")) {
return;
}
try {
Map<String, XmlObject> xmlInstanceMap = xmlInstRegistry.getXmlInstance(wsdlPath);
StringBuffer sb = new StringBuffer();
sb.append(head);
sb.append("\n");
for (String xmlInstanceKey : xmlInstanceMap.keySet()) {
sb.append(part1);
sb.append(xmlInstanceKey);
sb.append(part2);
sb.append(xmlInstanceMap.get(xmlInstanceKey).toString());
sb.append(part3);
sb.append("\n");
}
// System.out.println(" **** - " + sb.toString());
sb.append(getXmlObjectFunction);
RhinoScript rhinoScript = implementation.getRhinoScript();
sb.append(rhinoScript.getScript());
rhinoScript.setScript(sb.toString());
rhinoScript.initScriptScope(rhinoScript.getScriptName(), sb.toString(), null, rhinoScript.getClassLoader());
implementation.setRhinoScript(rhinoScript);
} catch (Exception e) {
throw new BuilderConfigException(e);
}
}
}
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