Package org.apache.tuscany.sca.builder.impl

Source Code of org.apache.tuscany.sca.builder.impl.PolicyAttachmentTestCase

/*
* 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.builder.impl;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

import javax.xml.namespace.QName;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;

import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.assembly.Base;
import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.assembly.builder.BuilderContext;
import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint;
import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.core.UtilityExtensionPoint;
import org.apache.tuscany.sca.definitions.Definitions;
import org.apache.tuscany.sca.monitor.DefaultMonitorFactory;
import org.apache.tuscany.sca.monitor.Monitor;
import org.apache.tuscany.sca.monitor.MonitorFactory;
import org.junit.BeforeClass;
import org.junit.Test;

/**
* Test reading SCA XML assembly documents.
*
* @version $Rev: 825773 $ $Date: 2009-10-16 06:42:26 +0100 (Fri, 16 Oct 2009) $
*/
public class PolicyAttachmentTestCase {

    private static StAXArtifactProcessor<Object> staxProcessor;
    private static Monitor monitor;

    private static ExtensionPointRegistry extensionPoints;
    private static XMLInputFactory inputFactory;
    private static AssemblyFactory assemblyFactory;
    private static BuilderExtensionPoint builders;
    private static ProcessorContext context;

    @BeforeClass
    public static void init() throws Exception {
        extensionPoints = new DefaultExtensionPointRegistry();
        context = new ProcessorContext(extensionPoints);

        FactoryExtensionPoint factories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
        assemblyFactory = factories.getFactory(AssemblyFactory.class);
        inputFactory = factories.getFactory(XMLInputFactory.class);
        // Create a monitor
        UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
        MonitorFactory monitorFactory = new DefaultMonitorFactory();
        if (monitorFactory != null) {
            monitor = monitorFactory.createMonitor();
            utilities.addUtility(monitorFactory);
        }
        StAXArtifactProcessorExtensionPoint staxProcessors =
            extensionPoints.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
        staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, inputFactory, null);
        staxProcessors.addArtifactProcessor(new TestPolicyProcessor());

        builders = extensionPoints.getExtensionPoint(BuilderExtensionPoint.class);
    }

    @Test
    public void testBuild() throws Exception {
        Definitions definitions = load("test_definitions.xml");
        Composite composite = load("Calculator.composite");
       
        CompositeBuilder uriBuilder = new StructuralURIBuilderImpl(extensionPoints);

        BuilderContext builderContext = new BuilderContext(extensionPoints);
        builderContext.setDefinitions(definitions);
        composite = uriBuilder.build(composite, builderContext);
        PolicyAttachmentBuilderImpl builder = new PolicyAttachmentBuilderImpl(extensionPoints);
        builder.build(composite, builderContext);
    }

    private <T> T load(String file) throws IOException, XMLStreamException, ContributionReadException {
        URL url = getClass().getResource(file);
        InputStream urlStream = url.openStream();
        XMLStreamReader reader = inputFactory.createXMLStreamReader(urlStream);
        reader.nextTag();

        T model = (T)staxProcessor.read(reader, context);
        reader.close();
        return model;
    }

    @Test
    public void testComplexBuild() throws Exception {
        Definitions definitions = load("definitions.xml");
        Composite composite1 = load("Composite1.composite");
        Composite composite2 = load("Composite2.composite");
        Composite composite3 = load("Composite3.composite");
        Composite composite4 = load("Composite4.composite");
        composite1.getIncludes().clear();
        composite1.getIncludes().add(composite3);

        composite1.getComponent("Component1B").setImplementation(composite4);
        composite2.getComponent("Component2B").setImplementation(composite4);

        Composite domainComposite = assemblyFactory.createComposite();
        domainComposite.setName(new QName(Base.SCA11_NS, ""));
        domainComposite.setLocal(false);
        domainComposite.getIncludes().add(composite1);
        domainComposite.getIncludes().add(composite2);

        CompositeBuilder includeBuilder = new CompositeIncludeBuilderImpl();
        CompositeBuilder cloneBuilder = new CompositeCloneBuilderImpl();
        CompositeBuilder uriBuilder = new StructuralURIBuilderImpl(extensionPoints);

        BuilderContext context = new BuilderContext(extensionPoints);
        context.setDefinitions(definitions);
        domainComposite = cloneBuilder.build(domainComposite, context);
        domainComposite = includeBuilder.build(domainComposite, context);
        domainComposite = uriBuilder.build(domainComposite, context);

        PolicyAttachmentBuilderImpl builder = new PolicyAttachmentBuilderImpl(extensionPoints);
        domainComposite = builder.build(domainComposite, context);

    }

}
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