| /**************************************************************** |
| * 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 org.apache.james.jspf.core; |
| |
| /** |
| * This is a facade for the different logging subsystems. It offers a simplified |
| * interface that follows IOC patterns and a simplified priority/level/severity |
| * abstraction. |
| */ |
| public interface Logger { |
| /** |
| * Log a debug message. |
| * |
| * @param message |
| * the message |
| */ |
| public void debug(String message); |
| |
| /** |
| * Log a debug message. |
| * |
| * @param message |
| * the message |
| * @param throwable |
| * the throwable |
| */ |
| public void debug(String message, Throwable throwable); |
| |
| /** |
| * Determine if messages of priority "debug" will be logged. |
| * |
| * @return true if "debug" messages will be logged |
| */ |
| public boolean isDebugEnabled(); |
| |
| /** |
| * Log a info message. |
| * |
| * @param message |
| * the message |
| */ |
| public void info(String message); |
| |
| /** |
| * Log a info message. |
| * |
| * @param message |
| * the message |
| * @param throwable |
| * the throwable |
| */ |
| public void info(String message, Throwable throwable); |
| |
| /** |
| * Determine if messages of priority "info" will be logged. |
| * |
| * @return true if "info" messages will be logged |
| */ |
| public boolean isInfoEnabled(); |
| |
| /** |
| * Log a warn message. |
| * |
| * @param message |
| * the message |
| */ |
| public void warn(String message); |
| |
| /** |
| * Log a warn message. |
| * |
| * @param message |
| * the message |
| * @param throwable |
| * the throwable |
| */ |
| public void warn(String message, Throwable throwable); |
| |
| /** |
| * Determine if messages of priority "warn" will be logged. |
| * |
| * @return true if "warn" messages will be logged |
| */ |
| public boolean isWarnEnabled(); |
| |
| /** |
| * Log a error message. |
| * |
| * @param message |
| * the message |
| */ |
| public void error(String message); |
| |
| /** |
| * Log a error message. |
| * |
| * @param message |
| * the message |
| * @param throwable |
| * the throwable |
| */ |
| public void error(String message, Throwable throwable); |
| |
| /** |
| * Determine if messages of priority "error" will be logged. |
| * |
| * @return true if "error" messages will be logged |
| */ |
| public boolean isErrorEnabled(); |
| |
| /** |
| * Log a fatalError message. |
| * |
| * @param message |
| * the message |
| */ |
| public void fatalError(String message); |
| |
| /** |
| * Log a fatalError message. |
| * |
| * @param message |
| * the message |
| * @param throwable |
| * the throwable |
| */ |
| public void fatalError(String message, Throwable throwable); |
| |
| /** |
| * Determine if messages of priority "fatalError" will be logged. |
| * |
| * @return true if "fatalError" messages will be logged |
| */ |
| public boolean isFatalErrorEnabled(); |
| |
| /** |
| * Create a new child logger. The name of the child logger is |
| * [current-loggers-name].[passed-in-name] Throws |
| * <code>IllegalArgumentException</code> if name has an empty element name |
| * |
| * @param name |
| * the subname of this logger |
| * @return the new logger |
| */ |
| public Logger getChildLogger(String name); |
| } |