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/*
* Copyright (c) OSGi Alliance (2016). 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.service.log;
import org.osgi.annotation.versioning.ProviderType;
/**
* Logger Factory service for logging information.
* <p>
* Provides methods for bundles to obtain named {@link Logger}s that can be used
* to write messages to the log.
*
* @ThreadSafe
* @since 1.4
* @author $Id$
*/
@ProviderType
public interface LoggerFactory {
/**
* Return a {@link Logger} named with the specified name.
*
* @param name The name to use for the logger name.
* @return A {@link Logger} named with the specified name.
*/
Logger getLogger(String name);
/**
* Return a {@link Logger} named with the specified class.
*
* @param clazz The class to use for the logger name.
* @return A {@link Logger} named with the specified class.
*/
Logger getLogger(Class< ? > clazz);
/**
* Return a {@link Logger} of the specified type named with the specified
* name.
*
* @param <L> A Logger type.
* @param name The name to use for the logger name.
* @param loggerType The type of Logger. Can be {@link Logger} or
* {@link FormatterLogger}.
* @return A {@link Logger} named with the specified name.
* @throws IllegalArgumentException If the specified type is not a supported
* Logger type.
*/
<L extends Logger> L getLogger(String name, Class<L> loggerType);
/**
* Return a {@link Logger} of the specified type named with the specified
* class.
*
* @param <L> A Logger type.
* @param clazz The class to use for the logger name.
* @param loggerType The type of Logger. Can be {@link Logger} or
* {@link FormatterLogger}.
* @return A {@link Logger} named with the specified class.
* @throws IllegalArgumentException If the specified type is not a supported
* Logger type.
*/
<L extends Logger> L getLogger(Class< ? > clazz, Class<L> loggerType);
}
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