/* | |
* 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.operations.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: 796166 $ $Date: 2009-07-21 08:03:47 +0100 (Tue, 21 Jul 2009) $ | |
*/ | |
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))); | |
} | |
} | |
} |