| package org.apache.commons.jcs3.log; |
| |
| import java.util.function.Supplier; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| /* |
| * 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. |
| */ |
| |
| /** |
| * This is a wrapper around the <code>java.util.logging.Logger</code> implementing our own |
| * <code>Log</code> interface. |
| * <p> |
| * This is the mapping of the log levels |
| * </p> |
| * <pre> |
| * Java Level Log Level |
| * SEVERE FATAL |
| * SEVERE ERROR |
| * WARNING WARN |
| * INFO INFO |
| * FINE DEBUG |
| * FINER TRACE |
| * </pre> |
| */ |
| public class JulLogAdapter implements Log |
| { |
| private final Logger logger; |
| |
| /** |
| * Construct a JUL Logger wrapper |
| * |
| * @param logger the JUL Logger |
| */ |
| public JulLogAdapter(Logger logger) |
| { |
| this.logger = logger; |
| } |
| |
| private void log(Level level, String message) |
| { |
| if (logger.isLoggable(level)) |
| { |
| logger.logp(level, logger.getName(), "", message); |
| } |
| } |
| |
| private void log(Level level, Object message) |
| { |
| if (logger.isLoggable(level)) |
| { |
| if (message instanceof Throwable) |
| { |
| logger.logp(level, logger.getName(), "", "Exception:", (Throwable) message); |
| } |
| else |
| { |
| logger.logp(level, logger.getName(), "", |
| message == null ? null : message.toString()); |
| } |
| } |
| } |
| |
| private void log(Level level, String message, Throwable t) |
| { |
| if (logger.isLoggable(level)) |
| { |
| logger.logp(level, logger.getName(), "", message, t); |
| } |
| } |
| |
| private void log(Level level, String message, Object... params) |
| { |
| if (logger.isLoggable(level)) |
| { |
| MessageFormatter formatter = new MessageFormatter(message, params); |
| if (formatter.hasThrowable()) |
| { |
| logger.logp(level, logger.getName(), "", |
| formatter.getFormattedMessage(), formatter.getThrowable()); |
| } |
| else |
| { |
| logger.logp(level, logger.getName(), "", |
| formatter.getFormattedMessage()); |
| } |
| } |
| } |
| |
| private void log(Level level, String message, Supplier<?>... paramSuppliers) |
| { |
| if (logger.isLoggable(level)) |
| { |
| MessageFormatter formatter = new MessageFormatter(message, paramSuppliers); |
| if (formatter.hasThrowable()) |
| { |
| logger.logp(level, logger.getName(), "", |
| formatter.getFormattedMessage(), formatter.getThrowable()); |
| } |
| else |
| { |
| logger.logp(level, logger.getName(), "", |
| formatter.getFormattedMessage()); |
| } |
| } |
| } |
| |
| /** |
| * Logs a message object with the DEBUG level. |
| * |
| * @param message the message string to log. |
| */ |
| @Override |
| public void debug(String message) |
| { |
| log(Level.FINE, message); |
| } |
| |
| /** |
| * Logs a message object with the DEBUG level. |
| * |
| * @param message the message object to log. |
| */ |
| @Override |
| public void debug(Object message) |
| { |
| log(Level.FINE, message); |
| } |
| |
| /** |
| * Logs a message with parameters at the DEBUG level. |
| * |
| * @param message the message to log; the format depends on the message factory. |
| * @param params parameters to the message. |
| * @see #getMessageFactory() |
| */ |
| @Override |
| public void debug(String message, Object... params) |
| { |
| log(Level.FINE, message, params); |
| } |
| |
| /** |
| * Logs a message with parameters which are only to be constructed if the |
| * logging level is the DEBUG level. |
| * |
| * @param message the message to log; the format depends on the message factory. |
| * @param paramSuppliers An array of functions, which when called, |
| * produce the desired log message parameters. |
| */ |
| @Override |
| public void debug(String message, Supplier<?>... paramSuppliers) |
| { |
| log(Level.FINE, message, paramSuppliers); |
| } |
| |
| /** |
| * Logs a message at the DEBUG level including the stack trace of the {@link Throwable} |
| * <code>t</code> passed as parameter. |
| * |
| * @param message the message to log. |
| * @param t the exception to log, including its stack trace. |
| */ |
| @Override |
| public void debug(String message, Throwable t) |
| { |
| log(Level.FINE, message, t); |
| } |
| |
| /** |
| * Logs a message object with the ERROR level. |
| * |
| * @param message the message string to log. |
| */ |
| @Override |
| public void error(String message) |
| { |
| log(Level.SEVERE, message); |
| } |
| |
| /** |
| * Logs a message object with the ERROR level. |
| * |
| * @param message the message object to log. |
| */ |
| @Override |
| public void error(Object message) |
| { |
| log(Level.SEVERE, message); |
| } |
| |
| /** |
| * Logs a message with parameters at the ERROR level. |
| * |
| * @param message the message to log; the format depends on the message factory. |
| * @param params parameters to the message. |
| */ |
| @Override |
| public void error(String message, Object... params) |
| { |
| log(Level.SEVERE, message, params); |
| } |
| |
| /** |
| * Logs a message with parameters which are only to be constructed if the |
| * logging level is the ERROR level. |
| * |
| * @param message the message to log; the format depends on the message factory. |
| * @param paramSuppliers An array of functions, which when called, produce |
| * the desired log message parameters. |
| * @since 2.4 |
| */ |
| @Override |
| public void error(String message, Supplier<?>... paramSuppliers) |
| { |
| log(Level.SEVERE, message, paramSuppliers); |
| } |
| |
| /** |
| * Logs a message at the ERROR level including the stack trace of the {@link Throwable} |
| * <code>t</code> passed as parameter. |
| * |
| * @param message the message object to log. |
| * @param t the exception to log, including its stack trace. |
| */ |
| @Override |
| public void error(String message, Throwable t) |
| { |
| log(Level.SEVERE, message, t); |
| } |
| |
| /** |
| * Logs a message object with the FATAL level. |
| * |
| * @param message the message string to log. |
| */ |
| @Override |
| public void fatal(String message) |
| { |
| log(Level.SEVERE, message); |
| } |
| |
| /** |
| * Logs a message object with the FATAL level. |
| * |
| * @param message the message object to log. |
| */ |
| @Override |
| public void fatal(Object message) |
| { |
| log(Level.SEVERE, message); |
| } |
| |
| /** |
| * Logs a message with parameters at the FATAL level. |
| * |
| * @param message the message to log; the format depends on the message factory. |
| * @param params parameters to the message. |
| */ |
| @Override |
| public void fatal(String message, Object... params) |
| { |
| log(Level.SEVERE, message, params); |
| } |
| |
| /** |
| * Logs a message with parameters which are only to be constructed if the |
| * logging level is the FATAL level. |
| * |
| * @param message the message to log; the format depends on the message factory. |
| * @param paramSuppliers An array of functions, which when called, produce the |
| * desired log message parameters. |
| */ |
| @Override |
| public void fatal(String message, Supplier<?>... paramSuppliers) |
| { |
| log(Level.SEVERE, message, paramSuppliers); |
| } |
| |
| /** |
| * Logs a message at the FATAL level including the stack trace of the {@link Throwable} |
| * <code>t</code> passed as parameter. |
| * |
| * @param message the message object to log. |
| * @param t the exception to log, including its stack trace. |
| */ |
| @Override |
| public void fatal(String message, Throwable t) |
| { |
| log(Level.SEVERE, message, t); |
| } |
| |
| /** |
| * Gets the logger name. |
| * |
| * @return the logger name. |
| */ |
| @Override |
| public String getName() |
| { |
| return logger.getName(); |
| } |
| |
| /** |
| * Logs a message object with the INFO level. |
| * |
| * @param message the message string to log. |
| */ |
| @Override |
| public void info(String message) |
| { |
| log(Level.INFO, message); |
| } |
| |
| /** |
| * Logs a message object with the INFO level. |
| * |
| * @param message the message object to log. |
| */ |
| @Override |
| public void info(Object message) |
| { |
| log(Level.INFO, message); |
| } |
| |
| /** |
| * Logs a message with parameters at the INFO level. |
| * |
| * @param message the message to log; the format depends on the message factory. |
| * @param params parameters to the message. |
| */ |
| @Override |
| public void info(String message, Object... params) |
| { |
| log(Level.INFO, message, params); |
| } |
| |
| /** |
| * Logs a message with parameters which are only to be constructed if the |
| * logging level is the INFO level. |
| * |
| * @param message the message to log; the format depends on the message factory. |
| * @param paramSuppliers An array of functions, which when called, produce |
| * the desired log message parameters. |
| */ |
| @Override |
| public void info(String message, Supplier<?>... paramSuppliers) |
| { |
| log(Level.INFO, message, paramSuppliers); |
| } |
| |
| /** |
| * Logs a message at the INFO level including the stack trace of the {@link Throwable} |
| * <code>t</code> passed as parameter. |
| * |
| * @param message the message object to log. |
| * @param t the exception to log, including its stack trace. |
| */ |
| @Override |
| public void info(String message, Throwable t) |
| { |
| log(Level.INFO, message, t); |
| } |
| |
| /** |
| * Checks whether this Logger is enabled for the DEBUG Level. |
| * |
| * @return boolean - {@code true} if this Logger is enabled for level DEBUG, {@code false} |
| * otherwise. |
| */ |
| @Override |
| public boolean isDebugEnabled() |
| { |
| return logger.isLoggable(Level.FINE); |
| } |
| |
| /** |
| * Checks whether this Logger is enabled for the ERROR Level. |
| * |
| * @return boolean - {@code true} if this Logger is enabled for level ERROR, {@code false} |
| * otherwise. |
| */ |
| @Override |
| public boolean isErrorEnabled() |
| { |
| return logger.isLoggable(Level.SEVERE); |
| } |
| |
| /** |
| * Checks whether this Logger is enabled for the FATAL Level. |
| * |
| * @return boolean - {@code true} if this Logger is enabled for level FATAL, {@code false} |
| * otherwise. |
| */ |
| @Override |
| public boolean isFatalEnabled() |
| { |
| return logger.isLoggable(Level.SEVERE); |
| } |
| |
| /** |
| * Checks whether this Logger is enabled for the INFO Level. |
| * |
| * @return boolean - {@code true} if this Logger is enabled for level INFO, {@code false} |
| * otherwise. |
| */ |
| @Override |
| public boolean isInfoEnabled() |
| { |
| return logger.isLoggable(Level.INFO); |
| } |
| |
| /** |
| * Checks whether this Logger is enabled for the TRACE level. |
| * |
| * @return boolean - {@code true} if this Logger is enabled for level TRACE, {@code false} |
| * otherwise. |
| */ |
| @Override |
| public boolean isTraceEnabled() |
| { |
| return logger.isLoggable(Level.FINER); |
| } |
| |
| /** |
| * Checks whether this Logger is enabled for the WARN Level. |
| * |
| * @return boolean - {@code true} if this Logger is enabled for level WARN, {@code false} |
| * otherwise. |
| */ |
| @Override |
| public boolean isWarnEnabled() |
| { |
| return logger.isLoggable(Level.WARNING); |
| } |
| |
| /** |
| * Logs a message object with the TRACE level. |
| * |
| * @param message the message string to log. |
| */ |
| @Override |
| public void trace(String message) |
| { |
| log(Level.FINER, message); |
| } |
| |
| /** |
| * Logs a message object with the TRACE level. |
| * |
| * @param message the message object to log. |
| */ |
| @Override |
| public void trace(Object message) |
| { |
| log(Level.FINER, message); |
| } |
| |
| /** |
| * Logs a message with parameters at the TRACE level. |
| * |
| * @param message the message to log; the format depends on the message factory. |
| * @param params parameters to the message. |
| */ |
| @Override |
| public void trace(String message, Object... params) |
| { |
| log(Level.FINER, message, params); |
| } |
| |
| /** |
| * Logs a message with parameters which are only to be constructed if the |
| * logging level is the TRACE level. |
| * |
| * @param message the message to log; the format depends on the message factory. |
| * @param paramSuppliers An array of functions, which when called, produce |
| * the desired log message parameters. |
| */ |
| @Override |
| public void trace(String message, Supplier<?>... paramSuppliers) |
| { |
| log(Level.FINER, message, paramSuppliers); |
| } |
| |
| /** |
| * Logs a message at the TRACE level including the stack trace of the {@link Throwable} |
| * <code>t</code> passed as parameter. |
| * |
| * @param message the message object to log. |
| * @param t the exception to log, including its stack trace. |
| * @see #debug(String) |
| */ |
| @Override |
| public void trace(String message, Throwable t) |
| { |
| log(Level.FINER, message, t); |
| } |
| |
| /** |
| * Logs a message object with the WARN level. |
| * |
| * @param message the message string to log. |
| */ |
| @Override |
| public void warn(String message) |
| { |
| log(Level.WARNING, message); |
| } |
| |
| /** |
| * Logs a message object with the WARN level. |
| * |
| * @param message the message object to log. |
| */ |
| @Override |
| public void warn(Object message) |
| { |
| log(Level.WARNING, message); |
| } |
| |
| /** |
| * Logs a message with parameters at the WARN level. |
| * |
| * @param message the message to log; the format depends on the message factory. |
| * @param params parameters to the message. |
| */ |
| @Override |
| public void warn(String message, Object... params) |
| { |
| log(Level.WARNING, message, params); |
| } |
| |
| /** |
| * Logs a message with parameters which are only to be constructed if the |
| * logging level is the WARN level. |
| * |
| * @param message the message to log; the format depends on the message factory. |
| * @param paramSuppliers An array of functions, which when called, produce |
| * the desired log message parameters. |
| */ |
| @Override |
| public void warn(String message, Supplier<?>... paramSuppliers) |
| { |
| log(Level.WARNING, message, paramSuppliers); |
| } |
| |
| /** |
| * Logs a message at the WARN level including the stack trace of the {@link Throwable} |
| * <code>t</code> passed as parameter. |
| * |
| * @param message the message object to log. |
| * @param t the exception to log, including its stack trace. |
| */ |
| @Override |
| public void warn(String message, Throwable t) |
| { |
| log(Level.WARNING, message, t); |
| } |
| } |