| /* |
| * 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.sling.junit.impl; |
| |
| import java.lang.reflect.Field; |
| |
| import org.apache.sling.junit.TestObjectProcessor; |
| import org.apache.sling.junit.annotations.TestReference; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.component.ComponentContext; |
| import org.osgi.service.component.annotations.Component; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** Processor for annotations in test classes */ |
| @Component |
| public class AnnotationsProcessor implements TestObjectProcessor { |
| private Logger log = LoggerFactory.getLogger(getClass()); |
| private BundleContext bundleContext; |
| |
| protected void activate(ComponentContext ctx) { |
| bundleContext = ctx.getBundleContext(); |
| if(bundleContext == null) { |
| throw new IllegalArgumentException("Null BundleContext in activate()"); |
| } |
| log.debug("{} activated, BundleContext={}", this, bundleContext); |
| } |
| |
| protected void deactivate(ComponentContext ctx) { |
| bundleContext = null; |
| log.debug("{} deactivated", this); |
| } |
| |
| /** Process annotations on the test object */ |
| public Object process(Object testObject) throws Exception { |
| log.debug("processing {}", testObject); |
| for(Field f : testObject.getClass().getDeclaredFields()) { |
| if(f.isAnnotationPresent(TestReference.class)) { |
| processTestReference(testObject, f); |
| } |
| } |
| return testObject; |
| } |
| |
| /** Process the TestReference annotation to inject services into fields */ |
| private void processTestReference(Object testObject, Field f) throws Exception { |
| if(bundleContext == null) { |
| final String msg = "Null BundleContext in processTestReference(), not activated?"; |
| log.error(msg); |
| throw new IllegalArgumentException(msg); |
| } |
| |
| final Class<?> serviceType = f.getType(); |
| final Object service = getService(serviceType); |
| if(service != null) { |
| f.setAccessible(true); |
| f.set(testObject, service); |
| log.debug("Injected service {} into field {}", |
| serviceType.getName(), f.getName()); |
| } else { |
| log.warn("Service {} not found for field {}", |
| serviceType.getName(), f.getName()); |
| } |
| } |
| |
| private Object getService(Class<?> c) { |
| Object result = null; |
| // BundleContext is not a service, but can be injected |
| if(c.equals(BundleContext.class)) { |
| result = bundleContext; |
| } else { |
| ServiceReference ref = bundleContext.getServiceReference(c.getName()); |
| if(ref != null) { |
| result = bundleContext.getService(ref); |
| } |
| } |
| return result; |
| } |
| } |