org.eclipse.aether.spi.log

Interface Logger

All Known Implementing Classes:

NullLogger, Slf4jLoggerFactory.Slf4jLogger, Slf4jLoggerFactory.Slf4jLoggerEx, TestLoggerFactory.TestLogger

public interface Logger

A simple logger to facilitate emission of diagnostic messages. In general, unrecoverable errors should be reported via exceptions and informational notifications should be reported via events, hence this logger interface focuses on support for tracing.

Method Summary

Modifier and Type	Method and Description
void	debug(java.lang.String msg) Emits the specified message.
void	debug(java.lang.String msg, java.lang.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(java.lang.String msg) Emits the specified message.
void	warn(java.lang.String msg, java.lang.Throwable error) Emits the specified message along with a stack trace of the given exception.

Method Detail

isDebugEnabled

boolean isDebugEnabled()

Indicates whether debug logging is enabled.

Returns:

true if debug logging is enabled, false otherwise.

debug

void debug(java.lang.String msg)

Emits the specified message.

Parameters:

msg - The message to log, must not be null.

debug

void debug(java.lang.String msg,
           java.lang.Throwable error)

Emits the specified message along with a stack trace of the given exception.

Parameters:

msg - The message to log, must not be null.

error - The exception to log, may be null.

isWarnEnabled

boolean isWarnEnabled()

Indicates whether warn logging is enabled.

Returns:

true if warn logging is enabled, false otherwise.

warn

void warn(java.lang.String msg)

Emits the specified message.

Parameters:

msg - The message to log, must not be null.

warn

void warn(java.lang.String msg,
          java.lang.Throwable error)

Emits the specified message along with a stack trace of the given exception.

Parameters:

msg - The message to log, must not be null.

error - The exception to log, may be null.