001/** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase; 019 020import org.apache.yetus.audience.InterfaceAudience; 021 022/** 023 * Logger class that buffers before trying to log to the specified console. 024 */ 025@InterfaceAudience.Private 026public class AsyncConsoleAppender extends org.apache.log4j.AsyncAppender { 027 private final org.apache.log4j.ConsoleAppender consoleAppender; 028 029 public AsyncConsoleAppender() { 030 super(); 031 consoleAppender = new org.apache.log4j.ConsoleAppender( 032 new org.apache.log4j.PatternLayout("%d{ISO8601} %-5p [%t] %c{2}: %m%n")); 033 this.addAppender(consoleAppender); 034 } 035 036 public void setTarget(String value) { 037 consoleAppender.setTarget(value); 038 } 039 040 @Override 041 public void activateOptions() { 042 consoleAppender.activateOptions(); 043 super.activateOptions(); 044 } 045 046}