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/*
* 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();
}
}
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