Lj4lLogger (net.scharlie.lj4l:lj4l-core 0.1.1 API)

All Known Implementing Classes:

NullLogger
```
public interface Lj4lLogger
```
This interface defines a logger.

Nested Class Summary

Nested Classes
Modifier and Type Interface and Description

static class Lj4lLogger.LogLevel
Enumeration of log levels.

Nested Classes
Modifier and Type	Interface and Description
`static class`	`Lj4lLogger.LogLevel` Enumeration of log levels.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method and Description
`default void`	`debug(Supplier<Object> msgSupplier)` Log a message with debug log level.
`default void`	`debug(Supplier<Object> msgSupplier, Throwable t)` Log a message with debug log level.
`default void`	`error(Supplier<Object> msgSupplier)` Log a message with error log level.
`default void`	`error(Supplier<Object> msgSupplier, Throwable t)` Log a message with error log level.
`default void`	`fatal(Supplier<Object> msgSupplier)` Log a message with fatal log level.
`default void`	`fatal(Supplier<Object> msgSupplier, Throwable t)` Log a message with fatal log level.
`default void`	`info(Supplier<Object> msgSupplier)` Log a message with info log level.
`default void`	`info(Supplier<Object> msgSupplier, Throwable t)` Log a message with info log level.
`default boolean`	`isDebugEnabled()` Answer whether the log levels DEBUG and above are enabled.
`boolean`	`isEnabled(Lj4lLogger.LogLevel level)` Answer whether the given log level and the levels above are enabled.
`default boolean`	`isErrorEnabled()` Answer whether the log levels ERROR and above are enabled.
`default boolean`	`isFatalEnabled()` Answer whether the log levels FATAL and above are enabled.
`default boolean`	`isInfoEnabled()` Answer whether the log levels INFO and above are enabled.
`default boolean`	`isTraceEnabled()` Answer whether the log levels TRACE and above are enabled.
`default boolean`	`isWarnEnabled()` Answer whether the log levels WARN and above are enabled.
`void`	`logWithLevel(Lj4lLogger.LogLevel level, String message, Throwable t)` Log a message with the given log level.
`default void`	`logWithLevel(Lj4lLogger.LogLevel level, Supplier<Object> msgSupplier)` Log a message with the given log level.
`default void`	`logWithLevel(Lj4lLogger.LogLevel level, Supplier<Object> msgSupplier, Throwable t)` Log a message with the given log level.
`default void`	`trace(Supplier<Object> msgSupplier)` Log a message with trace log level.
`default void`	`trace(Supplier<Object> msgSupplier, Throwable t)` Log a message with trace log level.
`default void`	`warn(Supplier<Object> msgSupplier)` Log a message with warning log level.
`default void`	`warn(Supplier<Object> msgSupplier, Throwable t)` Log a message with warning log level.

- Method Detail
  - isTraceEnabled
```
default boolean isTraceEnabled()
```
    Answer whether the log levels TRACE and above are enabled.
    
    Returns:
    
    answer
  - trace
```
default void trace(Supplier<Object> msgSupplier)
```
    Log a message with trace log level.
    
    Parameters:
    
    msgSupplier - A function, which when called, produces the desired log message
  - trace
```
default void trace(Supplier<Object> msgSupplier,
                   Throwable t)
```
    Log a message with trace log level.
    
    Parameters:
    
    msgSupplier - A function, which when called, produces the desired log message
    
    t - the exception to log, including its stack trace
  - isDebugEnabled
```
default boolean isDebugEnabled()
```
    Answer whether the log levels DEBUG and above are enabled.
    
    Returns:
    
    answer
  - debug
```
default void debug(Supplier<Object> msgSupplier)
```
    Log a message with debug log level.
    
    Parameters:
    
    msgSupplier - A function, which when called, produces the desired log message
  - debug
```
default void debug(Supplier<Object> msgSupplier,
                   Throwable t)
```
    Log a message with debug log level.
    
    Parameters:
    
    msgSupplier - A function, which when called, produces the desired log message
    
    t - the exception to log, including its stack trace
  - isInfoEnabled
```
default boolean isInfoEnabled()
```
    Answer whether the log levels INFO and above are enabled.
    
    Returns:
    
    answer
  - info
```
default void info(Supplier<Object> msgSupplier)
```
    Log a message with info log level.
    
    Parameters:
    
    msgSupplier - A function, which when called, produces the desired log message
  - info
```
default void info(Supplier<Object> msgSupplier,
                  Throwable t)
```
    Log a message with info log level.
    
    Parameters:
    
    msgSupplier - A function, which when called, produces the desired log message
    
    t - the exception to log, including its stack trace
  - isWarnEnabled
```
default boolean isWarnEnabled()
```
    Answer whether the log levels WARN and above are enabled.
    
    Returns:
    
    answer
  - warn
```
default void warn(Supplier<Object> msgSupplier)
```
    Log a message with warning log level.
    
    Parameters:
    
    msgSupplier - A function, which when called, produces the desired log message
  - warn
```
default void warn(Supplier<Object> msgSupplier,
                  Throwable t)
```
    Log a message with warning log level.
    
    Parameters:
    
    msgSupplier - A function, which when called, produces the desired log message
    
    t - the exception to log, including its stack trace
  - isErrorEnabled
```
default boolean isErrorEnabled()
```
    Answer whether the log levels ERROR and above are enabled.
    
    Returns:
    
    answer
  - error
```
default void error(Supplier<Object> msgSupplier)
```
    Log a message with error log level.
    
    Parameters:
    
    msgSupplier - A function, which when called, produces the desired log message
  - error
```
default void error(Supplier<Object> msgSupplier,
                   Throwable t)
```
    Log a message with error log level.
    
    Parameters:
    
    msgSupplier - A function, which when called, produces the desired log message
    
    t - the exception to log, including its stack trace
  - isFatalEnabled
```
default boolean isFatalEnabled()
```
    Answer whether the log levels FATAL and above are enabled.
    
    Returns:
    
    answer
  - fatal
```
default void fatal(Supplier<Object> msgSupplier)
```
    Log a message with fatal log level.
    
    Parameters:
    
    msgSupplier - A function, which when called, produces the desired log message
  - fatal
```
default void fatal(Supplier<Object> msgSupplier,
                   Throwable t)
```
    Log a message with fatal log level.
    
    Parameters:
    
    msgSupplier - A function, which when called, produces the desired log message
    
    t - the exception to log, including its stack trace
  - isEnabled
```
boolean isEnabled(Lj4lLogger.LogLevel level)
```
    Answer whether the given log level and the levels above are enabled.
    
    Parameters:
    
    level - log level
    
    Returns:
    
    answer
  - logWithLevel
```
default void logWithLevel(Lj4lLogger.LogLevel level,
                          Supplier<Object> msgSupplier)
```
    Log a message with the given log level.
    
    Parameters:
    
    level - A log level
    
    msgSupplier - A function, which when called, produces the desired log message
  - logWithLevel
```
default void logWithLevel(Lj4lLogger.LogLevel level,
                          Supplier<Object> msgSupplier,
                          Throwable t)
```
    Log a message with the given log level.
    
    Parameters:
    
    level - A log level
    
    msgSupplier - A function, which when called, produces the desired log message
    
    t - the exception to log, including its stack trace
  - logWithLevel
```
void logWithLevel(Lj4lLogger.LogLevel level,
                  String message,
                  Throwable t)
```
    Log a message with the given log level.
    
    Parameters:
    
    level - A log level
    
    message - A log message
    
    t - the exception to log, including its stack trace

Interface Lj4lLogger

Nested Class Summary

Method Summary

Method Detail

isTraceEnabled

trace

trace

isDebugEnabled

debug

debug

isInfoEnabled

info

info

isWarnEnabled

warn

warn

isErrorEnabled

error

error

isFatalEnabled

fatal

fatal

isEnabled

logWithLevel

logWithLevel

logWithLevel