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 * Copyright 2010, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jboss.as.test.integration.osgi.xservice;

import static org.junit.Assert.assertEquals;

import java.io.InputStream;

import javax.inject.Inject;

import org.jboss.arquillian.container.test.api.Deployer;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.arquillian.test.api.ArquillianResource;
import org.jboss.as.test.integration.osgi.api.Echo;
import org.jboss.as.test.integration.osgi.xservice.bundle.ClientBundleActivator;
import org.jboss.as.test.integration.osgi.xservice.module.EchoService;
import org.jboss.as.test.integration.osgi.xservice.module.TargetModuleActivator;
import org.jboss.logging.Logger;
import org.jboss.modules.Module;
import org.jboss.msc.service.ServiceActivator;
import org.jboss.msc.service.ServiceContainer;
import org.jboss.msc.service.ServiceController.State;
import org.jboss.msc.service.ServiceName;
import org.jboss.osgi.metadata.ManifestBuilder;
import org.jboss.osgi.metadata.OSGiManifestBuilder;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.Asset;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;

/**
 * A test that shows how a bundle can access an MSC service.
 *
 * @author Thomas.Diesler@jboss.com
 * @since 14-Oct-2010
 */
@RunWith(Arquillian.class)
public class BundleAccessesModuleServiceTestCase extends AbstractXServiceTestCase {

    private static final String TARGET_MODULE_NAME = "example-xservice-bam-target-module";
    private static final String CLIENT_BUNDLE_NAME = "example-xservice-bam-client-bundle";

    @Inject
    public ServiceContainer serviceContainer;

    @ArquillianResource
    public Deployer deployer;

    @ArquillianResource
    BundleContext context;

    @Deployment
    public static JavaArchive createdeployment() {
        final JavaArchive archive = ShrinkWrap.create(JavaArchive.class, "xservice-module-access");
        archive.addClasses(AbstractXServiceTestCase.class);
        archive.setManifest(new Asset() {
            @Override
            public InputStream openStream() {
                OSGiManifestBuilder builder = OSGiManifestBuilder.newInstance();
                builder.addBundleSymbolicName(archive.getName());
                builder.addBundleManifestVersion(2);
                builder.addImportPackages(Logger.class, Module.class, ServiceContainer.class);
                return builder.openStream();
            }
        });
        return archive;
    }

    @Test
    public void bundleInvokesModuleService() throws Exception {
        // Deploy the non-OSGi module which contains the target service
        deployer.deploy(TARGET_MODULE_NAME);
        try {
            // Check that the target service is up
            ServiceName targetService = ServiceName.parse("jboss.osgi.example.target.service");
            assertServiceState(serviceContainer, targetService, State.UP, 5000);

            // Install the client bundle
            InputStream input = deployer.getDeployment(CLIENT_BUNDLE_NAME);
            Bundle clientBundle = context.installBundle(CLIENT_BUNDLE_NAME, input);
            assertEquals("Bundle INSTALLED", Bundle.INSTALLED, clientBundle.getState());
            try {
                // Start the client bundle, which calls the target service.
                clientBundle.start();
                assertEquals("Bundle ACTIVE", Bundle.ACTIVE, clientBundle.getState());

                // The client bundle activator registers a StringBuffer service that
                // contains the result from the module service call
                BundleContext context = clientBundle.getBundleContext();
                ServiceReference sref = context.getServiceReference(StringBuffer.class.getName());
                StringBuffer service = (StringBuffer) context.getService(sref);
                assertEquals("hello world", service.toString());
            } finally {
                // Uninstall the client bundle
                clientBundle.uninstall();
            }
        } finally {
            // Undeploy the target module
            deployer.undeploy(TARGET_MODULE_NAME);
        }
    }

    @Deployment(name = CLIENT_BUNDLE_NAME, managed = false, testable = false)
    public static JavaArchive getClientBundleArchive() {
        final JavaArchive archive = ShrinkWrap.create(JavaArchive.class, CLIENT_BUNDLE_NAME);
        archive.addClasses(ClientBundleActivator.class);
        archive.setManifest(new Asset() {
            @Override
            public InputStream openStream() {
                OSGiManifestBuilder builder = OSGiManifestBuilder.newInstance();
                builder.addBundleManifestVersion(2);
                builder.addBundleSymbolicName(archive.getName());
                builder.addBundleVersion("1.0.0");
                builder.addBundleActivator(ClientBundleActivator.class);
                builder.addImportPackages(BundleActivator.class, Logger.class, Echo.class);
                return builder.openStream();
            }
        });
        return archive;
    }

    @Deployment(name = TARGET_MODULE_NAME, managed = false, testable = false)
    public static JavaArchive getTargetModuleArchive() {
        final JavaArchive archive = ShrinkWrap.create(JavaArchive.class, TARGET_MODULE_NAME);
        archive.addClasses(Echo.class, EchoService.class, TargetModuleActivator.class);
        archive.addAsServiceProvider(ServiceActivator.class, TargetModuleActivator.class);
        archive.setManifest(new Asset() {
            @Override
            public InputStream openStream() {
                ManifestBuilder builder = ManifestBuilder.newInstance();
                builder.addManifestHeader("Dependencies", "org.osgi.core,org.jboss.osgi.framework,org.jboss.modules,org.jboss.logging");
                return builder.openStream();
            }
        });
        return archive;
    }
}
