public interface Logger
Modifier and Type | Method and Description |
---|---|
void |
debug(String message)
Log a message with debug log level.
|
void |
debug(String message,
Throwable t)
Log an error with debug log level.
|
void |
error(String message)
Log a message with error log level.
|
void |
error(String message,
Throwable t)
Log an error with error log level.
|
void |
info(String message)
Log a message with info log level.
|
void |
info(String message,
Throwable t)
Log an error with info log level.
|
boolean |
isDebugEnabled()
Is debug logging currently enabled?
|
boolean |
isErrorEnabled()
Is error logging currently enabled?
|
boolean |
isInfoEnabled()
Is info logging currently enabled?
|
boolean |
isTraceEnabled()
Is trace logging currently enabled?
|
boolean |
isWarnEnabled()
Is warn logging currently enabled?
|
void |
trace(String message)
Log a message with trace log level.
|
void |
trace(String message,
Throwable t)
Log an error with trace log level.
|
void |
warn(String message)
Log a message with warn log level.
|
void |
warn(String message,
Throwable t)
Log an error with warn log level.
|
boolean isDebugEnabled()
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.
boolean isErrorEnabled()
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.
boolean isInfoEnabled()
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.
boolean isTraceEnabled()
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.
boolean isWarnEnabled()
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.
void trace(String message)
Log a message with trace log level.
message
- log this messagevoid trace(String message, Throwable t)
Log an error with trace log level.
message
- log this messaget
- log this causevoid debug(String message)
Log a message with debug log level.
message
- log this messagevoid debug(String message, Throwable t)
Log an error with debug log level.
message
- log this messaget
- log this causevoid info(String message)
Log a message with info log level.
message
- log this messagevoid info(String message, Throwable t)
Log an error with info log level.
message
- log this messaget
- log this causevoid warn(String message)
Log a message with warn log level.
message
- log this messagevoid warn(String message, Throwable t)
Log an error with warn log level.
message
- log this messaget
- log this causevoid error(String message)
Log a message with error log level.
message
- log this messageCopyright © 2010-2012 The Apache Software Foundation. All Rights Reserved.