| /* |
| * Copyright (c) OSGi Alliance (2019, 2020). All Rights Reserved. |
| * |
| * Licensed 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.osgi.framework.connect; |
| |
| import java.util.Optional; |
| |
| import org.osgi.annotation.versioning.ConsumerType; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.FrameworkUtil; |
| |
| /** |
| * A helper for the {@link FrameworkUtil} class. |
| * <p> |
| * This helper provides alternative implementations for methods on |
| * {@link FrameworkUtil}. |
| */ |
| @ConsumerType |
| public interface FrameworkUtilHelper { |
| /** |
| * Returns the {@link Bundle} associated with the specified class. |
| * <p> |
| * This helper method is called by {@link FrameworkUtil#getBundle(Class)} if |
| * the standard implementation of {@link FrameworkUtil} is unable to find |
| * the bundle. |
| * |
| * @param classFromBundle A class associated with a bundle. |
| * @return An {@code Optional} containing the {@link Bundle} for the |
| * specified class, or an empty {@code Optional} if the specified |
| * class is not from a bundle. |
| */ |
| default Optional<Bundle> getBundle(Class< ? > classFromBundle) { |
| return Optional.empty(); |
| } |
| } |