/*
* 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.net.URL;
import org.apache.tuscany.spi.annotation.Autowire;
import org.apache.tuscany.spi.component.CompositeComponent;
import org.apache.tuscany.spi.deployer.DeploymentContext;
import org.apache.tuscany.spi.extension.ComponentTypeLoaderExtension;
import org.apache.tuscany.spi.idl.InvalidServiceContractException;
import org.apache.tuscany.spi.idl.java.JavaInterfaceProcessorRegistry;
import org.apache.tuscany.spi.loader.LoaderException;
import org.apache.tuscany.spi.loader.MissingResourceException;
import org.apache.tuscany.spi.model.ComponentType;
import org.apache.tuscany.container.javascript.rhino.RhinoSCAConfig;
import org.apache.tuscany.container.javascript.rhino.RhinoScript;
/**
* @version $Rev: 441893 $ $Date: 2006-09-09 20:41:09 -0700 (Sat, 09 Sep 2006) $
*/
public class JavaScriptComponentTypeLoader extends ComponentTypeLoaderExtension<JavaScriptImplementation> {
private JavaInterfaceProcessorRegistry processorRegistry;
public JavaScriptComponentTypeLoader(@Autowire JavaInterfaceProcessorRegistry processorRegistry) {
this.processorRegistry = processorRegistry;
}
@Override
protected Class<JavaScriptImplementation> getImplementationClass() {
return JavaScriptImplementation.class;
}
protected JavaScriptComponentType loadByIntrospection(CompositeComponent parent,
JavaScriptImplementation implementation,
DeploymentContext deploymentContext) throws
MissingResourceException,
InvalidServiceContractException {
RhinoScript rhinoScript = implementation.getRhinoScript();
RhinoSCAConfig scaConfig = rhinoScript.getSCAConfig();
if (!scaConfig.hasSCAConfig()) {
throw new IllegalArgumentException(
"must use either .componentType side file or JS SCA varriable definition");
}
// FIXME this should be a system service, not instantiated here
JavaScriptComponentType componentType = new JavaScriptIntrospector(null, processorRegistry)
.introspectScript(scaConfig, rhinoScript.getClassLoader());
return componentType;
}
protected String getResourceName(JavaScriptImplementation implementation) {
return implementation.getRhinoScript().getScriptName();
}
// TODO: must be possible to move all the following up in to ComponentTypeLoaderExtension
public void load(CompositeComponent parent, JavaScriptImplementation implementation,
DeploymentContext deploymentContext)
throws LoaderException {
URL resource = implementation.getRhinoScript().getClassLoader().getResource(getSideFileName(implementation));
JavaScriptComponentType componentType;
if (resource == null) {
try {
componentType = loadByIntrospection(parent, implementation, deploymentContext);
} catch (InvalidServiceContractException e) {
throw new LoaderException("Invalid service contract", e);
}
} else {
componentType = loadFromSidefile(resource, deploymentContext);
}
implementation.setComponentType(componentType);
}
protected JavaScriptComponentType loadFromSidefile(URL url, DeploymentContext deploymentContext)
throws LoaderException {
ComponentType ct = loaderRegistry.load(null, url, ComponentType.class, deploymentContext);
JavaScriptComponentType jsct = new JavaScriptComponentType(ct);
return jsct;
}
private String getSideFileName(JavaScriptImplementation implementation) {
String baseName = getResourceName(implementation);
int lastDot = baseName.lastIndexOf('.');
if (lastDot != -1) {
baseName = baseName.substring(0, lastDot);
}
return baseName + ".componentType";
}
}