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.bridge;
018
019import org.apache.log4j.spi.ErrorHandler;
020import org.apache.logging.log4j.core.LogEvent;
021
022/**
023 * Makes a Log4j 1 ErrorHandler usable by a Log4j 2 Appender.
024 */
025public class ErrorHandlerAdapter implements org.apache.logging.log4j.core.ErrorHandler {
026
027    private final ErrorHandler errorHandler;
028
029    public ErrorHandlerAdapter(ErrorHandler errorHandler) {
030        this.errorHandler = errorHandler;
031    }
032
033    public ErrorHandler getHandler() {
034        return errorHandler;
035    }
036
037    @Override
038    public void error(String msg) {
039        errorHandler.error(msg);
040    }
041
042    @Override
043    public void error(String msg, Throwable t) {
044        if (t instanceof Exception) {
045            errorHandler.error(msg, (Exception) t, 0);
046        } else {
047            errorHandler.error(msg);
048        }
049    }
050
051    @Override
052    public void error(String msg, LogEvent event, Throwable t) {
053        if (t == null || t instanceof Exception) {
054            errorHandler.error(msg, (Exception) t, 0, new LogEventAdapter(event));
055        } else {
056            errorHandler.error(msg);
057        }
058    }
059}