| // 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 com.cloud.consoleproxy.util; |
| |
| // logger facility for dynamic switch between console logger used in Applet and log4j based logger |
| public class Logger { |
| private static LoggerFactory factory = null; |
| |
| public static final int LEVEL_TRACE = 1; |
| public static final int LEVEL_DEBUG = 2; |
| public static final int LEVEL_INFO = 3; |
| public static final int LEVEL_WARN = 4; |
| public static final int LEVEL_ERROR = 5; |
| |
| private Class<?> clazz; |
| private Logger logger; |
| |
| private static int level = LEVEL_INFO; |
| |
| public static Logger getLogger(Class<?> clazz) { |
| return new Logger(clazz); |
| } |
| |
| public static void setFactory(LoggerFactory f) { |
| factory = f; |
| } |
| |
| public static void setLevel(int l) { |
| level = l; |
| } |
| |
| public Logger(Class<?> clazz) { |
| this.clazz = clazz; |
| } |
| |
| protected Logger() { |
| } |
| |
| public boolean isTraceEnabled() { |
| if (factory != null) { |
| if (logger == null) |
| logger = factory.getLogger(clazz); |
| |
| return logger.isTraceEnabled(); |
| } |
| return level <= LEVEL_TRACE; |
| } |
| |
| public boolean isDebugEnabled() { |
| if (factory != null) { |
| if (logger == null) |
| logger = factory.getLogger(clazz); |
| |
| return logger.isDebugEnabled(); |
| } |
| return level <= LEVEL_DEBUG; |
| } |
| |
| public boolean isInfoEnabled() { |
| if (factory != null) { |
| if (logger == null) |
| logger = factory.getLogger(clazz); |
| |
| return logger.isInfoEnabled(); |
| } |
| return level <= LEVEL_INFO; |
| } |
| |
| public void trace(Object message) { |
| |
| if (factory != null) { |
| if (logger == null) |
| logger = factory.getLogger(clazz); |
| |
| logger.trace(message); |
| } else { |
| if (level <= LEVEL_TRACE) |
| System.out.println(message); |
| } |
| } |
| |
| public void trace(Object message, Throwable exception) { |
| if (factory != null) { |
| if (logger == null) |
| logger = factory.getLogger(clazz); |
| |
| logger.trace(message, exception); |
| } else { |
| if (level <= LEVEL_TRACE) { |
| System.out.println(message); |
| if (exception != null) { |
| exception.printStackTrace(System.out); |
| } |
| } |
| } |
| } |
| |
| public void info(Object message) { |
| if (factory != null) { |
| if (logger == null) |
| logger = factory.getLogger(clazz); |
| |
| logger.info(message); |
| } else { |
| if (level <= LEVEL_INFO) |
| System.out.println(message); |
| } |
| } |
| |
| public void info(Object message, Throwable exception) { |
| if (factory != null) { |
| if (logger == null) |
| logger = factory.getLogger(clazz); |
| |
| logger.info(message, exception); |
| } else { |
| if (level <= LEVEL_INFO) { |
| System.out.println(message); |
| if (exception != null) { |
| exception.printStackTrace(System.out); |
| } |
| } |
| } |
| } |
| |
| public void debug(Object message) { |
| if (factory != null) { |
| if (logger == null) |
| logger = factory.getLogger(clazz); |
| |
| logger.debug(message); |
| } else { |
| if (level <= LEVEL_DEBUG) |
| System.out.println(message); |
| } |
| } |
| |
| public void debug(Object message, Throwable exception) { |
| if (factory != null) { |
| if (logger == null) |
| logger = factory.getLogger(clazz); |
| |
| logger.debug(message, exception); |
| } else { |
| if (level <= LEVEL_DEBUG) { |
| System.out.println(message); |
| if (exception != null) { |
| exception.printStackTrace(System.out); |
| } |
| } |
| } |
| } |
| |
| public void warn(Object message) { |
| if (factory != null) { |
| if (logger == null) |
| logger = factory.getLogger(clazz); |
| |
| logger.warn(message); |
| } else { |
| if (level <= LEVEL_WARN) |
| System.out.println(message); |
| } |
| } |
| |
| public void warn(Object message, Throwable exception) { |
| if (factory != null) { |
| if (logger == null) |
| logger = factory.getLogger(clazz); |
| |
| logger.warn(message, exception); |
| } else { |
| if (level <= LEVEL_WARN) { |
| System.out.println(message); |
| if (exception != null) { |
| exception.printStackTrace(System.out); |
| } |
| } |
| } |
| } |
| |
| public void error(Object message) { |
| if (factory != null) { |
| if (logger == null) |
| logger = factory.getLogger(clazz); |
| |
| logger.error(message); |
| } else { |
| if (level <= LEVEL_ERROR) |
| System.out.println(message); |
| } |
| } |
| |
| public void error(Object message, Throwable exception) { |
| if (factory != null) { |
| if (logger == null) |
| logger = factory.getLogger(clazz); |
| |
| logger.error(message, exception); |
| } else { |
| if (level <= LEVEL_ERROR) { |
| System.out.println(message); |
| if (exception != null) { |
| exception.printStackTrace(System.out); |
| } |
| } |
| } |
| } |
| } |