| /* |
| * 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 calculator.dosgi.test; |
| |
| import java.lang.reflect.InvocationHandler; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Proxy; |
| |
| import org.osgi.framework.Bundle; |
| |
| /** |
| * |
| * Utility class to create OSGi bundles |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class OSGiTestUtils { |
| private static class InvocationHandlerImpl implements InvocationHandler { |
| private Object instance; |
| |
| public InvocationHandlerImpl(Object instance) { |
| super(); |
| this.instance = instance; |
| } |
| |
| public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { |
| Method m = instance.getClass().getMethod(method.getName(), method.getParameterTypes()); |
| return m.invoke(instance, args); |
| } |
| |
| } |
| |
| /** |
| * Returns a string representation of the given bundle. |
| * |
| * @param b |
| * @param verbose |
| * @return |
| */ |
| public static String bundleStatus(Bundle bundle, boolean verbose) { |
| StringBuffer sb = new StringBuffer(); |
| sb.append(bundle.getBundleId()).append(" ").append(bundle.getSymbolicName()); |
| int s = bundle.getState(); |
| if ((s & Bundle.UNINSTALLED) != 0) { |
| sb.append(" UNINSTALLED"); |
| } |
| if ((s & Bundle.INSTALLED) != 0) { |
| sb.append(" INSTALLED"); |
| } |
| if ((s & Bundle.RESOLVED) != 0) { |
| sb.append(" RESOLVED"); |
| } |
| if ((s & Bundle.STARTING) != 0) { |
| sb.append(" STARTING"); |
| } |
| if ((s & Bundle.STOPPING) != 0) { |
| sb.append(" STOPPING"); |
| } |
| if ((s & Bundle.ACTIVE) != 0) { |
| sb.append(" ACTIVE"); |
| } |
| |
| if (verbose) { |
| sb.append(" ").append(bundle.getLocation()); |
| sb.append(" ").append(bundle.getHeaders()); |
| } |
| return sb.toString(); |
| } |
| |
| /** |
| * A utility to cast the object to the given interface. If the class for the object |
| * is loaded by a different classloader, a proxy will be created. |
| * |
| * @param <T> |
| * @param obj |
| * @param cls |
| * @return |
| */ |
| public static <T> T cast(Object obj, Class<T> cls) { |
| if (cls.isInstance(obj)) { |
| return cls.cast(obj); |
| } else { |
| return cls.cast(Proxy.newProxyInstance(cls.getClassLoader(), |
| new Class<?>[] {cls}, |
| new InvocationHandlerImpl(obj))); |
| } |
| } |
| } |