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}