org.apache.james.protocols.api.logger.Logger Maven / Gradle / Ivy
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* "License"); you may not use this file except in compliance *
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* http://www.apache.org/licenses/LICENSE-2.0 *
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package org.apache.james.protocols.api.logger;
public interface Logger {
/**
* Is debug logging currently enabled?
*
* Call this method to prevent having to perform expensive operations
* (for example, String concatenation)
* when the log level is more than debug.
*
* @return true if debug is enabled in the underlying logger.
*/
boolean isDebugEnabled();
/**
* Is error logging currently enabled?
*
* Call this method to prevent having to perform expensive operations
* (for example, String concatenation)
* when the log level is more than error.
*
* @return true if error is enabled in the underlying logger.
*/
boolean isErrorEnabled();
/**
* Is info logging currently enabled?
*
* Call this method to prevent having to perform expensive operations
* (for example, String concatenation)
* when the log level is more than info.
*
* @return true if info is enabled in the underlying logger.
*/
boolean isInfoEnabled();
/**
* Is trace logging currently enabled?
*
* Call this method to prevent having to perform expensive operations
* (for example, String concatenation)
* when the log level is more than trace.
*
* @return true if trace is enabled in the underlying logger.
*/
boolean isTraceEnabled();
/**
* Is warn logging currently enabled?
*
* Call this method to prevent having to perform expensive operations
* (for example, String concatenation)
* when the log level is more than warn.
*
* @return true if warn is enabled in the underlying logger.
*/
boolean isWarnEnabled();
/**
* Log a message with trace log level.
*
* @param message log this message
*/
void trace(String message);
/**
* Log an error with trace log level.
*
* @param message log this message
* @param t log this cause
*/
void trace(String message, Throwable t);
/**
* Log a message with debug log level.
*
* @param message log this message
*/
void debug(String message);
/**
* Log an error with debug log level.
*
* @param message log this message
* @param t log this cause
*/
void debug(String message, Throwable t);
/**
* Log a message with info log level.
*
* @param message log this message
*/
void info(String message);
/**
* Log an error with info log level.
*
* @param message log this message
* @param t log this cause
*/
void info(String message, Throwable t);
/**
* Log a message with warn log level.
*
* @param message log this message
*/
void warn(String message);
/**
* Log an error with warn log level.
*
* @param message log this message
* @param t log this cause
*/
void warn(String message, Throwable t);
/**
* Log a message with error log level.
*
* @param message log this message
*/
void error(String message);
/**
* Log an error with error log level.
*
* @param message log this message
* @param t log this cause
*/
void error(String message, Throwable t);
}