org.smartboot.http.common.logging.Logger Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2017-2021, org.smartboot. All rights reserved.
* project name: smart-http
* file name: Logger.java
* Date: 2021-01-27
* Author: sandao ([email protected])
******************************************************************************/
package org.smartboot.http.common.logging;
/**
* @author 三刀（[email protected]）
* @version V1.0 , 2021/1/27
*/
public interface Logger {
/**
* Case insensitive String constant used to retrieve the name of the root logger.
*
* @since 1.3
*/
final public String ROOT_LOGGER_NAME = "ROOT";
/**
* Return the name of this Logger instance.
*
* @return name of this logger instance
*/
public String getName();
/**
* Is the logger instance enabled for the TRACE level?
*
* @return True if this Logger is enabled for the TRACE level,
* false otherwise.
* @since 1.4
*/
public boolean isTraceEnabled();
/**
* Log a message at the TRACE level.
*
* @param msg the message string to be logged
* @since 1.4
*/
public void trace(String msg);
/**
* Log a message at the TRACE level according to the specified format
* and argument.
*
* This form avoids superfluous object creation when the logger
* is disabled for the TRACE level.
*
* @param format the format string
* @param arg the argument
* @since 1.4
*/
public void trace(String format, Object arg);
/**
* Log a message at the TRACE level according to the specified format
* and arguments.
*
* This form avoids superfluous object creation when the logger
* is disabled for the TRACE level.
*
* @param format the format string
* @param arg1 the first argument
* @param arg2 the second argument
* @since 1.4
*/
public void trace(String format, Object arg1, Object arg2);
/**
* Log a message at the TRACE level according to the specified format
* and arguments.
*
* This form avoids superfluous string concatenation when the logger
* is disabled for the TRACE level. However, this variant incurs the hidden
* (and relatively small) cost of creating an Object[] before invoking the method,
* even if this logger is disabled for TRACE. The variants taking {@link #trace(String, Object) one} and
* {@link #trace(String, Object, Object) two} arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
* @since 1.4
*/
public void trace(String format, Object... arguments);
/**
* Log an exception (throwable) at the TRACE level with an
* accompanying message.
*
* @param msg the message accompanying the exception
* @param t the exception (throwable) to log
* @since 1.4
*/
public void trace(String msg, Throwable t);
/**
* Is the logger instance enabled for the DEBUG level?
*
* @return True if this Logger is enabled for the DEBUG level,
* false otherwise.
*/
public boolean isDebugEnabled();
/**
* Log a message at the DEBUG level.
*
* @param msg the message string to be logged
*/
public void debug(String msg);
/**
* Log a message at the DEBUG level according to the specified format
* and argument.
*
* This form avoids superfluous object creation when the logger
* is disabled for the DEBUG level.
*
* @param format the format string
* @param arg the argument
*/
public void debug(String format, Object arg);
/**
* Log a message at the DEBUG level according to the specified format
* and arguments.
*
* This form avoids superfluous object creation when the logger
* is disabled for the DEBUG level.
*
* @param format the format string
* @param arg1 the first argument
* @param arg2 the second argument
*/
public void debug(String format, Object arg1, Object arg2);
/**
* Log a message at the DEBUG level according to the specified format
* and arguments.
*
* This form avoids superfluous string concatenation when the logger
* is disabled for the DEBUG level. However, this variant incurs the hidden
* (and relatively small) cost of creating an Object[] before invoking the method,
* even if this logger is disabled for DEBUG. The variants taking
* {@link #debug(String, Object) one} and {@link #debug(String, Object, Object) two}
* arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
*/
public void debug(String format, Object... arguments);
/**
* Log an exception (throwable) at the DEBUG level with an
* accompanying message.
*
* @param msg the message accompanying the exception
* @param t the exception (throwable) to log
*/
public void debug(String msg, Throwable t);
/**
* Is the logger instance enabled for the INFO level?
*
* @return True if this Logger is enabled for the INFO level,
* false otherwise.
*/
public boolean isInfoEnabled();
/**
* Log a message at the INFO level.
*
* @param msg the message string to be logged
*/
public void info(String msg);
/**
* Log a message at the INFO level according to the specified format
* and argument.
*
* This form avoids superfluous object creation when the logger
* is disabled for the INFO level.
*
* @param format the format string
* @param arg the argument
*/
public void info(String format, Object arg);
/**
* Log a message at the INFO level according to the specified format
* and arguments.
*
* This form avoids superfluous object creation when the logger
* is disabled for the INFO level.
*
* @param format the format string
* @param arg1 the first argument
* @param arg2 the second argument
*/
public void info(String format, Object arg1, Object arg2);
/**
* Log a message at the INFO level according to the specified format
* and arguments.
*
* This form avoids superfluous string concatenation when the logger
* is disabled for the INFO level. However, this variant incurs the hidden
* (and relatively small) cost of creating an Object[] before invoking the method,
* even if this logger is disabled for INFO. The variants taking
* {@link #info(String, Object) one} and {@link #info(String, Object, Object) two}
* arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
*/
public void info(String format, Object... arguments);
/**
* Log an exception (throwable) at the INFO level with an
* accompanying message.
*
* @param msg the message accompanying the exception
* @param t the exception (throwable) to log
*/
public void info(String msg, Throwable t);
/**
* Is the logger instance enabled for the WARN level?
*
* @return True if this Logger is enabled for the WARN level,
* false otherwise.
*/
public boolean isWarnEnabled();
/**
* Log a message at the WARN level.
*
* @param msg the message string to be logged
*/
public void warn(String msg);
/**
* Log a message at the WARN level according to the specified format
* and argument.
*
* This form avoids superfluous object creation when the logger
* is disabled for the WARN level.
*
* @param format the format string
* @param arg the argument
*/
public void warn(String format, Object arg);
/**
* Log a message at the WARN level according to the specified format
* and arguments.
*
* This form avoids superfluous string concatenation when the logger
* is disabled for the WARN level. However, this variant incurs the hidden
* (and relatively small) cost of creating an Object[] before invoking the method,
* even if this logger is disabled for WARN. The variants taking
* {@link #warn(String, Object) one} and {@link #warn(String, Object, Object) two}
* arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
*/
public void warn(String format, Object... arguments);
/**
* Log a message at the WARN level according to the specified format
* and arguments.
*
* This form avoids superfluous object creation when the logger
* is disabled for the WARN level.
*
* @param format the format string
* @param arg1 the first argument
* @param arg2 the second argument
*/
public void warn(String format, Object arg1, Object arg2);
/**
* Log an exception (throwable) at the WARN level with an
* accompanying message.
*
* @param msg the message accompanying the exception
* @param t the exception (throwable) to log
*/
public void warn(String msg, Throwable t);
/**
* Is the logger instance enabled for the ERROR level?
*
* @return True if this Logger is enabled for the ERROR level,
* false otherwise.
*/
public boolean isErrorEnabled();
/**
* Log a message at the ERROR level.
*
* @param msg the message string to be logged
*/
public void error(String msg);
/**
* Log a message at the ERROR level according to the specified format
* and argument.
*
* This form avoids superfluous object creation when the logger
* is disabled for the ERROR level.
*
* @param format the format string
* @param arg the argument
*/
public void error(String format, Object arg);
/**
* Log a message at the ERROR level according to the specified format
* and arguments.
*
* This form avoids superfluous object creation when the logger
* is disabled for the ERROR level.
*
* @param format the format string
* @param arg1 the first argument
* @param arg2 the second argument
*/
public void error(String format, Object arg1, Object arg2);
/**
* Log a message at the ERROR level according to the specified format
* and arguments.
*
* This form avoids superfluous string concatenation when the logger
* is disabled for the ERROR level. However, this variant incurs the hidden
* (and relatively small) cost of creating an Object[] before invoking the method,
* even if this logger is disabled for ERROR. The variants taking
* {@link #error(String, Object) one} and {@link #error(String, Object, Object) two}
* arguments exist solely in order to avoid this hidden cost.
*
* @param format the format string
* @param arguments a list of 3 or more arguments
*/
public void error(String format, Object... arguments);
/**
* Log an exception (throwable) at the ERROR level with an
* accompanying message.
*
* @param msg the message accompanying the exception
* @param t the exception (throwable) to log
*/
public void error(String msg, Throwable t);
}