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 */
017package org.apache.log4j.spi;
018
019/**
020 * Implemented by classes that render instances of
021 * java.lang.Throwable (exceptions and errors)
022 * into a string representation.
023 *
024 * @since 1.2.16
025 */
026public interface ThrowableRenderer {
027    /**
028     * Render Throwable.
029     * @param t throwable, may not be null.
030     * @return String representation.
031     */
032    public String[] doRender(Throwable t);
033}