001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements. See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License. You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    package org.apache.logging.log4j.core.config.plugins.util;
019    
020    /**
021     * Interface for doing automatic String conversion to a specific type.
022     *
023     * @param <T>
024     *            Converts Strings into the given type {@code T}.
025     */
026    public interface TypeConverter<T> {
027    
028            /**
029             * Converts a String to a given type.
030             * 
031             * @param s
032             *            the String to convert. Cannot be {@code null}.
033             * @return the converted object.
034             * @throws Exception
035             *             thrown when a conversion error occurs
036             */
037            T convert(String s) throws Exception;
038    }