public interface Logger
| Modifier and Type | Method and Description | 
|---|---|
| void | debug(String msg)Emits the specified message. | 
| void | debug(String msg,
          Throwable error)Emits the specified message along with a stack trace of the given exception. | 
| boolean | isDebugEnabled()Indicates whether debug logging is enabled. | 
| boolean | isWarnEnabled()Indicates whether warn logging is enabled. | 
| void | warn(String msg)Emits the specified message. | 
| void | warn(String msg,
        Throwable error)Emits the specified message along with a stack trace of the given exception. | 
boolean isDebugEnabled()
true if debug logging is enabled, false otherwise.void debug(String msg)
msg - The message to log, must not be null.void debug(String msg, Throwable error)
msg - The message to log, must not be null.error - The exception to log, may be null.boolean isWarnEnabled()
true if warn logging is enabled, false otherwise.void warn(String msg)
msg - The message to log, must not be null.Copyright © 2010–2018 The Apache Software Foundation. All rights reserved.