Java tutorial
/* * Copyright 2015 The Apache Software Foundation. * * 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.apache.brooklyn.rt.felix; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.net.URL; import java.util.Enumeration; import java.util.List; import java.util.jar.JarInputStream; import org.apache.brooklyn.test.support.TestResourceUnavailableException; import org.apache.brooklyn.util.collections.MutableSet; import org.apache.brooklyn.util.os.Os; import org.apache.brooklyn.util.osgi.OsgiTestResources; import org.apache.brooklyn.util.stream.Streams; import org.apache.commons.io.FileUtils; import org.osgi.framework.BundleException; import org.osgi.framework.launch.Framework; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.testng.Assert; import org.testng.annotations.AfterMethod; import org.testng.annotations.BeforeMethod; import org.testng.annotations.Test; /** * * @author Ciprian Ciubotariu <cheepeero@gmx.net> */ public class EmbeddedFelixFrameworkTest { private static final Logger log = LoggerFactory.getLogger(EmbeddedFelixFrameworkTest.class); public static final String BROOKLYN_TEST_OSGI_ENTITIES_PATH = OsgiTestResources.BROOKLYN_TEST_OSGI_ENTITIES_PATH; protected Framework framework = null; private File storageTempDir; @BeforeMethod(alwaysRun = true) public void setUp() throws Exception { storageTempDir = Os.newTempDir("osgi-standalone"); framework = EmbeddedFelixFramework.newFrameworkStarted(storageTempDir.getAbsolutePath(), true, null); } @AfterMethod(alwaysRun = true) public void tearDown() throws BundleException, IOException, InterruptedException { tearDownOsgiFramework(framework, storageTempDir); } public static void tearDownOsgiFramework(Framework framework, File storageTempDir) throws BundleException, InterruptedException, IOException { EmbeddedFelixFramework.stopFramework(framework); framework = null; if (storageTempDir != null) { FileUtils.deleteDirectory(storageTempDir); storageTempDir = null; } } @Test public void testReadAManifest() throws Exception { Enumeration<URL> manifests = this.getClass().getClassLoader().getResources("META-INF/MANIFEST.MF"); log.info("Bundles and exported packages:"); MutableSet<String> allPackages = MutableSet.of(); while (manifests.hasMoreElements()) { ManifestHelper mf = ManifestHelper .forManifestContents(Streams.readFullyString(manifests.nextElement().openStream())); List<String> mfPackages = mf.getExportedPackages(); log.info(" " + mf.getSymbolicNameVersion() + ": " + mfPackages); allPackages.addAll(mfPackages); } log.info("Total export package count: " + allPackages.size()); Assert.assertTrue(allPackages.size() > 20, "did not find enough packages"); // probably much larger Assert.assertTrue(allPackages.contains(EmbeddedFelixFramework.class.getPackage().getName())); } @Test public void testReadKnownManifest() throws Exception { TestResourceUnavailableException.throwIfResourceUnavailable(getClass(), BROOKLYN_TEST_OSGI_ENTITIES_PATH); InputStream in = this.getClass().getResourceAsStream(BROOKLYN_TEST_OSGI_ENTITIES_PATH); JarInputStream jarIn = new JarInputStream(in); ManifestHelper helper = ManifestHelper.forManifest(jarIn.getManifest()); jarIn.close(); Assert.assertEquals(helper.getVersion().toString(), "0.1.0"); Assert.assertTrue(helper.getExportedPackages().contains("org.apache.brooklyn.test.osgi.entities")); } }