/** | |
* 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.aries.spifly; | |
import static junit.framework.Assert.assertNotNull; | |
import static org.junit.Assert.assertSame; | |
import java.net.URL; | |
import java.net.URLClassLoader; | |
import java.util.Dictionary; | |
import java.util.HashMap; | |
import java.util.Hashtable; | |
import java.util.ServiceLoader; | |
import org.apache.aries.mytest.MySPI; | |
import org.easymock.EasyMock; | |
import org.easymock.IAnswer; | |
import org.junit.After; | |
import org.junit.Before; | |
import org.junit.Test; | |
import org.osgi.framework.Bundle; | |
import org.osgi.framework.BundleContext; | |
import org.osgi.framework.BundleReference; | |
import org.osgi.framework.Constants; | |
public class UtilTest { | |
private ClassLoader storedTCCL; | |
@Before | |
public void setup() { | |
storedTCCL = Thread.currentThread().getContextClassLoader(); | |
} | |
@After | |
public void tearDown() { | |
Thread.currentThread().setContextClassLoader(storedTCCL); | |
storedTCCL = null; | |
} | |
@Test | |
public void testSetRestoreTCCL() { | |
ClassLoader cl = new URLClassLoader(new URL[] {}); | |
Thread.currentThread().setContextClassLoader(cl); | |
Util.storeContextClassloader(); | |
Thread.currentThread().setContextClassLoader(null); | |
Util.restoreContextClassloader(); | |
assertSame(cl, Thread.currentThread().getContextClassLoader()); | |
} | |
@Test | |
public void testFixContextClassLoaderSimpleViaEmbeddedJar() throws Exception { | |
BaseActivator activator = new BaseActivator() { | |
public void start(BundleContext context) throws Exception { | |
} | |
}; | |
BaseActivator.activator = activator; | |
URL url = getClass().getResource("/embedded3.jar"); | |
assertNotNull("precondition", url); | |
Bundle providerBundle = EasyMock.createMock(Bundle.class); | |
final ClassLoader providerCL = new TestBundleClassLoader(new URL [] {url}, getClass().getClassLoader(), providerBundle); | |
EasyMock.expect(providerBundle.getBundleContext()).andThrow(new IllegalStateException("Disable getBundleClassLoaderViaAdapt")); | |
EasyMock.expect(providerBundle.getBundleId()).andReturn(42L).anyTimes(); | |
EasyMock.expect(providerBundle.getEntryPaths((String) EasyMock.anyObject())).andReturn(null).anyTimes(); | |
Dictionary<String, String> providerHeaders = new Hashtable<String, String>(); | |
providerHeaders.put(Constants.BUNDLE_CLASSPATH, ".,embedded3.jar"); | |
EasyMock.expect(providerBundle.getHeaders()).andReturn(providerHeaders).anyTimes(); | |
EasyMock.expect(providerBundle.getResource("embedded3.jar")).andReturn(url).anyTimes(); | |
providerBundle.loadClass((String) EasyMock.anyObject()); | |
EasyMock.expectLastCall().andAnswer(new IAnswer<Class<?>>() { | |
@Override | |
public Class<?> answer() throws Throwable { | |
return providerCL.loadClass((String) EasyMock.getCurrentArguments()[0]); | |
} | |
}).anyTimes(); | |
EasyMock.replay(providerBundle); | |
activator.registerProviderBundle(MySPI.class.getName(), providerBundle, new HashMap<String, Object>()); | |
Bundle clientBundle = EasyMock.createMock(Bundle.class); | |
EasyMock.replay(clientBundle); | |
ClassLoader clientCL = new TestBundleClassLoader(new URL [] {}, getClass().getClassLoader(), clientBundle); | |
Thread.currentThread().setContextClassLoader(null); | |
Util.fixContextClassloader(ServiceLoader.class.getName(), "load", MySPI.class, clientCL); | |
assertSame(providerCL, Thread.currentThread().getContextClassLoader()); | |
} | |
@Test | |
public void testNotInitialized() throws Exception { | |
BaseActivator.activator = null; | |
URL url = getClass().getResource("/embedded3.jar"); | |
assertNotNull("precondition", url); | |
Bundle providerBundle = EasyMock.createMock(Bundle.class); | |
final ClassLoader providerCL = new TestBundleClassLoader(new URL [] {url}, getClass().getClassLoader(), providerBundle); | |
EasyMock.expect(providerBundle.getBundleId()).andReturn(42L).anyTimes(); | |
EasyMock.expect(providerBundle.getEntryPaths((String) EasyMock.anyObject())).andReturn(null).anyTimes(); | |
Dictionary<String, String> providerHeaders = new Hashtable<String, String>(); | |
providerHeaders.put(Constants.BUNDLE_CLASSPATH, ".,embedded3.jar"); | |
EasyMock.expect(providerBundle.getHeaders()).andReturn(providerHeaders).anyTimes(); | |
EasyMock.expect(providerBundle.getResource("embedded3.jar")).andReturn(url).anyTimes(); | |
providerBundle.loadClass((String) EasyMock.anyObject()); | |
EasyMock.expectLastCall().andAnswer(new IAnswer<Class<?>>() { | |
@Override | |
public Class<?> answer() throws Throwable { | |
return providerCL.loadClass((String) EasyMock.getCurrentArguments()[0]); | |
} | |
}).anyTimes(); | |
EasyMock.replay(providerBundle); | |
Bundle clientBundle = EasyMock.createMock(Bundle.class); | |
EasyMock.replay(clientBundle); | |
ClassLoader clientCL = new TestBundleClassLoader(new URL [] {}, getClass().getClassLoader(), clientBundle); | |
Thread.currentThread().setContextClassLoader(null); | |
Util.fixContextClassloader(ServiceLoader.class.getName(), "load", MySPI.class, clientCL); | |
assertSame("The system is not yet initialized, so the TCCL should not be set", | |
null, Thread.currentThread().getContextClassLoader()); | |
} | |
private static class TestBundleClassLoader extends URLClassLoader implements BundleReference { | |
private final Bundle bundle; | |
public TestBundleClassLoader(URL[] urls, ClassLoader parent, Bundle bundle) { | |
super(urls, parent); | |
this.bundle = bundle; | |
} | |
@Override | |
public Bundle getBundle() { | |
return bundle; | |
} | |
} | |
} |