public interface Logger
| Modifier and Type | Method and Description | 
|---|---|
| void | debug(String msg)Log a message at the DEBUG level. | 
| void | debug(String msg,
     Throwable t)Log an exception (throwable) at the DEBUG level with an accompanying message. | 
| void | error(String msg)Log a message at the ERROR level. | 
| void | error(String msg,
     Throwable t)Log an exception (throwable) at the ERROR level with an accompanying message. | 
| String | getName()Return the name of this  Loggerinstance. | 
| void | info(String msg)Log a message at the INFO level. | 
| void | info(String msg,
    Throwable t)Log an exception (throwable) at the INFO level with an accompanying message. | 
| boolean | isDebugEnabled()Is the logger instance enabled for the DEBUG level? | 
| boolean | isErrorEnabled()Is the logger instance enabled for the ERROR level? | 
| boolean | isInfoEnabled()Is the logger instance enabled for the INFO level? | 
| boolean | isTraceEnabled()Is the logger instance enabled for the TRACE level? | 
| boolean | isWarnEnabled()Is the logger instance enabled for the WARN level? | 
| void | trace(String msg)Log a message at the TRACE level. | 
| void | trace(String msg,
     Throwable t)Log an exception (throwable) at the TRACE level with an accompanying message. | 
| void | warn(String msg)Log a message at the WARN level. | 
| void | warn(String msg,
    Throwable t)Log an exception (throwable) at the WARN level with an accompanying message. | 
String getName()
Logger instance.boolean isTraceEnabled()
void trace(String msg)
msg - the message string to be loggedvoid trace(String msg, Throwable t)
msg - the message accompanying the exceptiont - the exception (throwable) to logboolean isDebugEnabled()
void debug(String msg)
msg - the message string to be loggedvoid debug(String msg, Throwable t)
msg - the message accompanying the exceptiont - the exception (throwable) to logboolean isInfoEnabled()
void info(String msg)
msg - the message string to be loggedvoid info(String msg, Throwable t)
msg - the message accompanying the exceptiont - the exception (throwable) to logboolean isWarnEnabled()
void warn(String msg)
msg - the message string to be loggedvoid warn(String msg, Throwable t)
msg - the message accompanying the exceptiont - the exception (throwable) to logboolean isErrorEnabled()
void error(String msg)
msg - the message string to be logged