| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package kafka.utils |
| |
| import org.apache.log4j.Logger |
| |
| trait Logging { |
| val loggerName = this.getClass.getName |
| lazy val logger = Logger.getLogger(loggerName) |
| |
| protected var logIdent = "" |
| |
| // Force initialization to register Log4jControllerMBean |
| private val log4jController = Log4jController |
| |
| private def msgWithLogIdent(msg: String) = "%s%s".format(logIdent, msg) |
| |
| def trace(msg: => String): Unit = { |
| if (logger.isTraceEnabled()) |
| logger.trace(msgWithLogIdent(msg)) |
| } |
| def trace(e: => Throwable): Any = { |
| if (logger.isTraceEnabled()) |
| logger.trace(logIdent,e) |
| } |
| def trace(msg: => String, e: => Throwable) = { |
| if (logger.isTraceEnabled()) |
| logger.trace(msgWithLogIdent(msg),e) |
| } |
| |
| def debug(msg: => String): Unit = { |
| if (logger.isDebugEnabled()) |
| logger.debug(msgWithLogIdent(msg)) |
| } |
| def debug(e: => Throwable): Any = { |
| if (logger.isDebugEnabled()) |
| logger.debug(logIdent,e) |
| } |
| def debug(msg: => String, e: => Throwable) = { |
| if (logger.isDebugEnabled()) |
| logger.debug(msgWithLogIdent(msg),e) |
| } |
| |
| def info(msg: => String): Unit = { |
| if (logger.isInfoEnabled()) |
| logger.info(msgWithLogIdent(msg)) |
| } |
| def info(e: => Throwable): Any = { |
| if (logger.isInfoEnabled()) |
| logger.info(logIdent,e) |
| } |
| def info(msg: => String,e: => Throwable) = { |
| if (logger.isInfoEnabled()) |
| logger.info(msgWithLogIdent(msg),e) |
| } |
| |
| def warn(msg: => String): Unit = { |
| logger.warn(msgWithLogIdent(msg)) |
| } |
| def warn(e: => Throwable): Any = { |
| logger.warn(logIdent,e) |
| } |
| def warn(msg: => String, e: => Throwable) = { |
| logger.warn(msgWithLogIdent(msg),e) |
| } |
| |
| def error(msg: => String): Unit = { |
| logger.error(msgWithLogIdent(msg)) |
| } |
| def error(e: => Throwable): Any = { |
| logger.error(logIdent,e) |
| } |
| def error(msg: => String, e: => Throwable) = { |
| logger.error(msgWithLogIdent(msg),e) |
| } |
| |
| def fatal(msg: => String): Unit = { |
| logger.fatal(msgWithLogIdent(msg)) |
| } |
| def fatal(e: => Throwable): Any = { |
| logger.fatal(logIdent,e) |
| } |
| def fatal(msg: => String, e: => Throwable) = { |
| logger.fatal(msgWithLogIdent(msg),e) |
| } |
| } |