001    // Copyright 2006, 2007 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry5.ioc;
016    
017    import org.slf4j.Logger;
018    
019    /**
020     * A wrapper around SLF4J's LoggerFactory that exists to allow particular projects to "hook" the creation of Logger
021     * instances.
022     */
023    public interface LoggerSource
024    {
025        /**
026         * Creates or retrieves a log based on Class. This is rarely used in Tapestry IOC.
027         */
028        Logger getLogger(Class clazz);
029    
030        /**
031         * Creates or retrieves a log based on name. Typically, the name will be a service id.
032         */
033        Logger getLogger(String name);
034    }