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.logging; 019 020import java.io.ByteArrayInputStream; 021import java.io.IOException; 022import java.nio.charset.StandardCharsets; 023import java.util.logging.LogManager; 024import org.apache.yetus.audience.InterfaceAudience; 025import org.slf4j.bridge.SLF4JBridgeHandler; 026 027/** 028 * Setup {@link SLF4JBridgeHandler}. 029 * <p/> 030 * Set the system property {@code java.util.logging.config.class} to this class to initialize the 031 * direction for java.util.logging to slf4j. 032 */ 033@InterfaceAudience.Private 034public class JulToSlf4jInitializer { 035 036 private static final String PROPERTIES = "handlers=" + SLF4JBridgeHandler.class.getName(); 037 038 public JulToSlf4jInitializer() throws IOException { 039 LogManager.getLogManager() 040 .readConfiguration(new ByteArrayInputStream(PROPERTIES.getBytes(StandardCharsets.UTF_8))); 041 } 042}