| /* |
| * 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.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.net.URL; |
| |
| import org.apache.felix.dm.DependencyManager; |
| import org.apache.felix.dm.ResourceHandler; |
| import org.apache.felix.dm.itest.util.Ensure; |
| import org.apache.felix.dm.itest.util.TestBase; |
| import org.junit.Assert; |
| |
| /** |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class ResourceAdapterTest extends TestBase { |
| public void testBasicResourceAdapter() throws Exception { |
| DependencyManager m = getDM(); |
| // helper class that ensures certain steps get executed in sequence |
| Ensure e = new Ensure(); |
| // create a resource provider |
| ResourceProvider provider = new ResourceProvider(context, new URL("file://localhost/path/to/file1.txt")); |
| // activate it |
| m.add(m.createComponent().setImplementation(provider).add(m.createServiceDependency().setService(ResourceHandler.class).setCallbacks("add", "remove"))); |
| // create a resource adapter for our single resource |
| // note that we can provide an actual implementation instance here because there will be only one |
| // adapter, normally you'd want to specify a Class here |
| m.add(m.createResourceAdapterService("(&(path=/path/to/*.txt)(host=localhost))", false, null, "changed") |
| .setImplementation(new ResourceAdapter(e))); |
| // wait until the single resource is available |
| e.waitForStep(3, 5000); |
| // trigger a 'change' in our resource |
| provider.change(); |
| // wait until the changed callback is invoked |
| e.waitForStep(4, 5000); |
| m.clear(); |
| } |
| |
| static class ResourceAdapter { |
| protected URL m_resource; // injected by reflection. |
| private Ensure m_ensure; |
| |
| ResourceAdapter(Ensure e) { |
| m_ensure = e; |
| } |
| |
| public void start() { |
| m_ensure.step(1); |
| Assert.assertNotNull("resource not injected", m_resource); |
| m_ensure.step(2); |
| try { |
| m_resource.openStream(); |
| } |
| catch (FileNotFoundException e) { |
| m_ensure.step(3); |
| } |
| catch (IOException e) { |
| Assert.fail("We should not have gotten this exception."); |
| } |
| } |
| |
| public void changed() { |
| m_ensure.step(4); |
| } |
| } |
| } |