| /* |
| * 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 java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.felix.dm.Component; |
| import org.apache.felix.dm.DependencyManager; |
| import org.apache.felix.dm.itest.util.Ensure; |
| import org.apache.felix.dm.itest.util.TestBase; |
| import org.junit.Assert; |
| import org.osgi.service.cm.ConfigurationAdmin; |
| |
| /** |
| * This test validates that we can register in the actual configuration an empty list for overriding a non empty default |
| * list that the configuration type has defined by default. |
| * |
| * Example: if the configuration type provides a default list value [a, b] for property "list", and if |
| * there is a "list=[]" entry in the actual configuration, then the empty list should be returned instead of default [a,b]. |
| */ |
| public class FELIX5400_OverrideDefaultMapConfigTypeWithEmptyList extends TestBase { |
| Ensure m_ensure = new Ensure(); |
| |
| public void testDefaulValues() { |
| DependencyManager m = getDM(); |
| |
| ConfigurationCreator configurator = new ConfigurationCreator(m_ensure, MyConfig.class.getName(), 1, "list=[]"); |
| |
| Component confCreator = m.createComponent() |
| .setImplementation(configurator) |
| .add(m.createServiceDependency().setService(ConfigurationAdmin.class).setRequired(true)); |
| |
| Component myComponent = m.createComponent() |
| .setImplementation(new MyComponent()) |
| .add(m.createConfigurationDependency().setCallback("updated", MyConfig.class).setRequired(true)); |
| |
| |
| // register an empty configuration. |
| m.add(confCreator); |
| m_ensure.waitForStep(1, 5000); |
| |
| // create the component: since there is no value for the map in the actual configuration, then default map |
| // provided by the configuration type default method should be returned. |
| m.add(myComponent); |
| m_ensure.waitForStep(2, 5000); |
| } |
| |
| public interface MyConfig { |
| public default List<String> getList() { |
| return Arrays.asList("a", "b"); |
| } |
| } |
| |
| public class MyComponent { |
| void updated(MyConfig cnf) { |
| if (cnf != null) { |
| List<String> list = cnf.getList(); |
| Assert.assertEquals(0, list.size()); // the actual configuration contains "list=[]" and default "list=[a,b]" must not be returned. |
| m_ensure.step(2); |
| } |
| } |
| } |
| } |