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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.sca.runtime;
import java.io.File;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import javax.xml.namespace.QName;
import junit.framework.Assert;
import org.apache.tuscany.sca.Node;
import org.apache.tuscany.sca.TuscanyRuntime;
import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.assembly.Component;
import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.contribution.Contribution;
import org.apache.tuscany.sca.contribution.ContributionFactory;
import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
import org.apache.tuscany.sca.contribution.resolver.ExtensibleModelResolver;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.contribution.resolver.ModelResolverExtensionPoint;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.implementation.java.IntrospectionException;
import org.apache.tuscany.sca.implementation.java.JavaImplementation;
import org.apache.tuscany.sca.implementation.java.JavaImplementationFactory;
import org.apache.tuscany.sca.monitor.ValidationException;
import org.junit.Test;
import org.oasisopen.sca.NoSuchDomainException;
import org.oasisopen.sca.NoSuchServiceException;
/**
* Shows how to create and run composites dynamically
*/
public class DynamicTestCase {
@Test
public void testInstalledContribution() throws NoSuchServiceException, NoSuchDomainException, ContributionReadException, ActivationException, ValidationException, MalformedURLException, ClassNotFoundException, IntrospectionException, IllegalArgumentException, InvocationTargetException,
IllegalAccessException {
// get the various factories that will be needed
TuscanyRuntime tuscanyRuntime = TuscanyRuntime.newInstance();
ExtensionPointRegistry extensionPoints = tuscanyRuntime.getExtensionPointRegistry();
FactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
// Create a contribution
ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class);
Contribution contribution = contributionFactory.createContribution();
contribution.setURI("testContribution");
ModelResolverExtensionPoint modelResolvers = extensionPoints.getExtensionPoint(ModelResolverExtensionPoint.class);
ModelResolver modelResolver = new ExtensibleModelResolver(contribution, modelResolvers, modelFactories);
contribution.setModelResolver(modelResolver);
contribution.setClassLoader(new URLClassLoader(new URL[] {new File("src/test/resources/sample-helloworld.jar").toURI().toURL()}));
// Create a composite
AssemblyFactory assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
Composite composite = assemblyFactory.createComposite();
composite.setURI("testComposite");
composite.setName(new QName("testComposite"));
// create a component
Component component = assemblyFactory.createComponent();
component.setName("testComponent");
JavaImplementationFactory javaImplementationFactory = modelFactories.getFactory(JavaImplementationFactory.class);
JavaImplementation javaImplementation = javaImplementationFactory.createJavaImplementation(contribution.getClassLoader().loadClass("sample.HelloworldImpl"));
javaImplementation.setJavaClass(contribution.getClassLoader().loadClass("sample.HelloworldImpl"));
component.setImplementation(javaImplementation);
// add the component to the composite
composite.getComponents().add(component);
// add the composite to the contribution
contribution.addComposite(composite);
// Now run the composite with a Tuscany Node
Node node = tuscanyRuntime.createNode();
node.installContribution(contribution, null);
node.startComposite(contribution.getURI(), composite.getURI());
// test that the service has started and can be invoked
testService(node, contribution.getClassLoader());
node.stop();
tuscanyRuntime.stop();
}
private void testService(Node node, ClassLoader classLoader) throws ClassNotFoundException, NoSuchServiceException, NoSuchDomainException, IllegalArgumentException, InvocationTargetException, IllegalAccessException {
Class<?> interfaze = classLoader.loadClass("sample.Helloworld");
Object clientProxy = node.getService(interfaze, "testComponent/Helloworld");
Method m = interfaze.getMethods()[0]; // the helloworld interface just has a single method "sayHello"
Object response = m.invoke(clientProxy, new Object[] {"Ariana"});
Assert.assertEquals("Hello Ariana", response);
}
}
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