All Known Implementing Classes:

AbstractLogger, ConsoleLogger
```
public interface Logger
```
Author:

Jason van Zyl, Trygve Laugstøl

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`LEVEL_DEBUG`	Typecode for debugging messages.
`static int`	`LEVEL_DISABLED`	Typecode for disabled log levels.
`static int`	`LEVEL_ERROR`	Typecode for error messages.
`static int`	`LEVEL_FATAL`	Typecode for fatal error messages.
`static int`	`LEVEL_INFO`	Typecode for informational messages.
`static int`	`LEVEL_WARN`	Typecode for warning messages.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`debug(String message)`
`void`	`debug(String message, Throwable throwable)`
`void`	`error(String message)`
`void`	`error(String message, Throwable throwable)`
`void`	`fatalError(String message)`
`void`	`fatalError(String message, Throwable throwable)`
`Logger`	`getChildLogger(String name)`
`String`	`getName()`
`int`	`getThreshold()`
`void`	`info(String message)`
`void`	`info(String message, Throwable throwable)`
`boolean`	`isDebugEnabled()`
`boolean`	`isErrorEnabled()`
`boolean`	`isFatalErrorEnabled()`
`boolean`	`isInfoEnabled()`
`boolean`	`isWarnEnabled()`
`void`	`setThreshold(int threshold)`
`void`	`warn(String message)`
`void`	`warn(String message, Throwable throwable)`

Field Detail
- LEVEL_DEBUG
```
static final int LEVEL_DEBUG
```
  Typecode for debugging messages.
  
  See Also:
  
  Constant Field Values
- LEVEL_INFO
```
static final int LEVEL_INFO
```
  Typecode for informational messages.
  
  See Also:
  
  Constant Field Values
- LEVEL_WARN
```
static final int LEVEL_WARN
```
  Typecode for warning messages.
  
  See Also:
  
  Constant Field Values
- LEVEL_ERROR
```
static final int LEVEL_ERROR
```
  Typecode for error messages.
  
  See Also:
  
  Constant Field Values
- LEVEL_FATAL
```
static final int LEVEL_FATAL
```
  Typecode for fatal error messages.
  
  See Also:
  
  Constant Field Values
- LEVEL_DISABLED
```
static final int LEVEL_DISABLED
```
  Typecode for disabled log levels.
  
  See Also:
  
  Constant Field Values

Method Detail

debug
```
void debug(String message)
```

debug

void debug(String message,
           Throwable throwable)

isDebugEnabled
```
boolean isDebugEnabled()
```

info
```
void info(String message)
```

info

void info(String message,
          Throwable throwable)

isInfoEnabled
```
boolean isInfoEnabled()
```

warn
```
void warn(String message)
```

warn

void warn(String message,
          Throwable throwable)

isWarnEnabled
```
boolean isWarnEnabled()
```

error
```
void error(String message)
```

error

void error(String message,
           Throwable throwable)

isErrorEnabled
```
boolean isErrorEnabled()
```

fatalError
```
void fatalError(String message)
```

fatalError

void fatalError(String message,
                Throwable throwable)

isFatalErrorEnabled
```
boolean isFatalErrorEnabled()
```

getChildLogger
```
Logger getChildLogger(String name)
```

getThreshold
```
int getThreshold()
```

setThreshold
```
void setThreshold(int threshold)
```

getName
```
String getName()
```

Interface Logger

Field Summary

Method Summary

Field Detail

LEVEL_DEBUG

LEVEL_INFO

LEVEL_WARN

LEVEL_ERROR

LEVEL_FATAL

LEVEL_DISABLED

Method Detail

debug

debug

isDebugEnabled

info

info

isInfoEnabled

warn

warn

isWarnEnabled

error

error

isErrorEnabled

fatalError

fatalError

isFatalErrorEnabled

getChildLogger

getThreshold

setThreshold

getName