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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.ruby;
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.spi.model.ModelObject;
import org.apache.tuscany.container.ruby.rubyscript.RubySCAConfig;
import org.apache.tuscany.container.ruby.rubyscript.RubyScript;
/**
* @version $Rev$ $Date$
*/
public class RubyComponentTypeLoader extends ComponentTypeLoaderExtension<RubyImplementation> {
private JavaInterfaceProcessorRegistry processorRegistry;
public RubyComponentTypeLoader(@Autowire JavaInterfaceProcessorRegistry processorRegistry) {
this.processorRegistry = processorRegistry;
}
@Override
protected Class<RubyImplementation> getImplementationClass() {
return RubyImplementation.class;
}
protected RubyComponentType loadByIntrospection(CompositeComponent parent,
ModelObject object,
RubyImplementation implementation,
DeploymentContext deploymentContext) throws
MissingResourceException,
InvalidServiceContractException {
RubyScript rubyScript = implementation.getRubyScript();
RubySCAConfig scaConfig = rubyScript.getSCAConfig();
if (!scaConfig.hasSCAConfig()) {
throw new IllegalArgumentException(
"must use either .componentType side file or Ruby Global variable $SCA definition");
}
// FIXME this should be a system service, not instantiated here
RubyComponentType componentType = new RubyIntrospector(null, processorRegistry)
.introspectScript(scaConfig, rubyScript.getClassLoader());
return componentType;
}
protected String getResourceName(RubyImplementation implementation) {
return implementation.getRubyScript().getScriptName();
}
// TODO: must be possible to move all the following up in to ComponentTypeLoaderExtension
public void load(CompositeComponent parent,
RubyImplementation implementation,
DeploymentContext deploymentContext) throws LoaderException {
URL resource = implementation.getRubyScript().getClassLoader().getResource(getSideFileName(implementation));
RubyComponentType componentType;
if (resource == null) {
try {
componentType = loadByIntrospection(parent, null, implementation, deploymentContext);
} catch (InvalidServiceContractException e) {
throw new LoaderException("Invalid service contract", e);
}
} else {
componentType = loadFromSidefile(resource, deploymentContext);
}
implementation.setComponentType(componentType);
}
@SuppressWarnings("unchecked")
protected RubyComponentType loadFromSidefile(URL url, DeploymentContext deploymentContext) throws LoaderException {
// This should be fixed to pass in a RubyComponentType instead of null
RubyComponentType componentType = new RubyComponentType();
return (RubyComponentType) loaderRegistry.load(null,
componentType,
url,
ComponentType.class,
deploymentContext);
}
private String getSideFileName(RubyImplementation implementation) {
String baseName = getResourceName(implementation);
int lastDot = baseName.lastIndexOf('.');
if (lastDot != -1) {
baseName = baseName.substring(0,
lastDot);
}
return baseName + ".componentType";
}
}
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