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Diffstat (limited to 'branches/sca-java-2.0-M4/samples/dosgi-dynamic-calculator/src/test/java/calculator/dosgi/test/OSGiTestUtils.java')
-rw-r--r-- | branches/sca-java-2.0-M4/samples/dosgi-dynamic-calculator/src/test/java/calculator/dosgi/test/OSGiTestUtils.java | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/branches/sca-java-2.0-M4/samples/dosgi-dynamic-calculator/src/test/java/calculator/dosgi/test/OSGiTestUtils.java b/branches/sca-java-2.0-M4/samples/dosgi-dynamic-calculator/src/test/java/calculator/dosgi/test/OSGiTestUtils.java new file mode 100644 index 0000000000..99e0da9f97 --- /dev/null +++ b/branches/sca-java-2.0-M4/samples/dosgi-dynamic-calculator/src/test/java/calculator/dosgi/test/OSGiTestUtils.java @@ -0,0 +1,105 @@ +/* + * 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))); + } + } +} |