SystemPackagesTestCase.java

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 * JBoss, Home of Professional Open Source
 * Copyright 2009, Red Hat Middleware LLC, and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed 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.jboss.as.test.integration.osgi.classloading;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.arquillian.test.api.ArquillianResource;
import org.jboss.modules.ModuleClassLoader;
import org.jboss.osgi.metadata.OSGiManifestBuilder;
import org.jboss.osgi.resolver.XBundle;
import org.jboss.osgi.resolver.XBundleRevision;
import org.jboss.osgi.resolver.XCapability;
import org.jboss.osgi.resolver.XPackageCapability;
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.BundleContext;
import org.osgi.framework.namespace.PackageNamespace;
import org.osgi.framework.wiring.BundleCapability;

/**
 * Test access to system packages.
 *
 * https://issues.jboss.org/browse/AS7-5436
 *
 * @author thomas.diesler@jboss.com
 * @since 28-Aug-2012
 */
@RunWith(Arquillian.class)
public class SystemPackagesTestCase {

    @ArquillianResource
    BundleContext context;

    @Deployment
    public static JavaArchive createdeployment() {
        final JavaArchive archive = ShrinkWrap.create(JavaArchive.class, "test-bundle");
        archive.setManifest(new Asset() {
            @Override
            public InputStream openStream() {
                OSGiManifestBuilder builder = OSGiManifestBuilder.newInstance();
                builder.addBundleSymbolicName(archive.getName());
                builder.addBundleManifestVersion(2);
                builder.addImportPackages(XBundle.class, BundleCapability.class, PackageNamespace.class);
                builder.addImportPackages(ModuleClassLoader.class);
                return builder.openStream();
            }
        });
        return archive;
    }

    @Test
    public void testSystemPackages() throws Exception {
        XBundle sysbundle = (XBundle) context.getBundle(0);
        XBundleRevision revision = sysbundle.getBundleRevision();
        ModuleClassLoader moduleClassLoader = revision.getModuleClassLoader();
        ClassLoaderWrapper classLoader = new ClassLoaderWrapper(moduleClassLoader);
        List<String> inaccessible = new ArrayList<String>();
        for (BundleCapability cap : revision.getDeclaredCapabilities(PackageNamespace.PACKAGE_NAMESPACE)) {
            XPackageCapability pcap = ((XCapability) cap).adapt(XPackageCapability.class);
            Package definedPackage = classLoader.getPackage(pcap.getPackageName());
            if (definedPackage == null && pcap.getPackageName().startsWith("javax.")) {
                inaccessible.add(pcap.getPackageName());
            }
        }
        // [TODO] Packages may not be defined but still be accessible.
        //Assert.assertTrue("Cannot access " + inaccessible, inaccessible.isEmpty());
    }

    static class ClassLoaderWrapper extends ClassLoader {

        ClassLoaderWrapper(ClassLoader parent) {
            super(parent);
        }

        @Override
        public Package getPackage(String name) {
            return super.getPackage(name);
        }
    }
}