| /* |
| * 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.felix.dm.itest.api; |
| |
| import org.junit.Assert; |
| |
| import org.apache.felix.dm.Component; |
| import org.apache.felix.dm.DependencyManager; |
| import org.apache.felix.dm.itest.util.TestBase; |
| import org.osgi.framework.Bundle; |
| |
| /** |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class BundleAdapterTest extends TestBase { |
| public void testBundleAdapter() { |
| DependencyManager m = getDM(); |
| // create a bundle adapter service (one is created for each bundle) |
| Component adapter = m.createBundleAdapterService(Bundle.INSTALLED | Bundle.RESOLVED | Bundle.ACTIVE, null, false) |
| .setImplementation(BundleAdapter.class) |
| .setInterface(BundleAdapter.class.getName(), null); |
| |
| // create a service provider and consumer |
| Consumer c = new Consumer(); |
| Component consumer = m.createComponent().setImplementation(c) |
| .add(m.createServiceDependency().setService(BundleAdapter.class).setCallbacks("add", "remove")); |
| |
| // add the bundle adapter |
| m.add(adapter); |
| // add the service consumer |
| m.add(consumer); |
| // check if at least one bundle was found |
| c.check(); |
| // remove the consumer again |
| m.remove(consumer); |
| // check if all bundles were removed correctly |
| c.doubleCheck(); |
| // remove the bundle adapter |
| m.remove(adapter); |
| } |
| |
| public void testBundleAdapterWithCallbackInstance() { |
| DependencyManager m = getDM(); |
| // create a bundle adapter service (one is created for each bundle) |
| BundleAdapterWithCallback baWithCb = new BundleAdapterWithCallback(); |
| BundleAdapterCallbackInstance cbInstance = new BundleAdapterCallbackInstance(baWithCb); |
| |
| Component adapter = m.createBundleAdapterService(Bundle.INSTALLED | Bundle.RESOLVED | Bundle.ACTIVE, null, false, |
| cbInstance, "add", null, "remove") |
| .setImplementation(baWithCb) |
| .setInterface(BundleAdapter.class.getName(), null); |
| |
| // create a service provider and consumer |
| Consumer c = new Consumer(); |
| Component consumer = m.createComponent().setImplementation(c) |
| .add(m.createServiceDependency().setService(BundleAdapter.class).setCallbacks("add", "remove")); |
| |
| // add the bundle adapter |
| m.add(adapter); |
| // add the service consumer |
| m.add(consumer); |
| // check if at least one bundle was found |
| c.check(); |
| // remove the consumer again |
| m.remove(consumer); |
| // check if all bundles were removed correctly |
| c.doubleCheck(); |
| // remove the bundle adapter |
| m.remove(adapter); |
| } |
| |
| public static class BundleAdapter { |
| volatile Bundle m_bundle; |
| |
| Bundle getBundle() { |
| return m_bundle; |
| } |
| } |
| |
| public static class BundleAdapterWithCallback extends BundleAdapter { |
| void add(Bundle b) { |
| m_bundle = b; |
| } |
| |
| void remove(Bundle b) { |
| m_bundle = null; |
| } |
| } |
| |
| public static class BundleAdapterCallbackInstance { |
| final BundleAdapterWithCallback m_ba; |
| |
| BundleAdapterCallbackInstance(BundleAdapterWithCallback ba) { |
| m_ba = ba; |
| } |
| |
| void add(Bundle b) { |
| m_ba.add(b); |
| } |
| |
| void remove(Bundle b) { |
| m_ba.remove(b); |
| } |
| } |
| |
| static class Consumer { |
| private volatile int m_count = 0; |
| |
| public void add(BundleAdapter ba) { |
| Bundle b = ba.getBundle(); |
| System.out.println("Consumer.add(" + b.getSymbolicName() + ")"); |
| Assert.assertNotNull("bundle instance must not be null", b); |
| m_count++; |
| } |
| |
| public void check() { |
| Assert.assertTrue("we should have found at least one bundle", m_count > 0); |
| } |
| |
| public void remove(BundleAdapter ba) { |
| Bundle b = ba.getBundle(); |
| System.out.println("Consumer.remove(" + b.getSymbolicName() + ")"); |
| m_count--; |
| } |
| |
| public void doubleCheck() { |
| Assert.assertEquals("all bundles we found should have been removed again", 0, m_count); |
| } |
| } |
| } |