Logger (core 2.3.0 API)

java.lang.Object
- com.yubico.yubikit.core.Logger

```
@Deprecated
public abstract class Logger
extends java.lang.Object
```
Deprecated.
This class and all its public methods have been deprecated in YubiKit 2.3.0 and will be removed in future release.

Helper class allows to customize logs within the SDK SDK has only 2 levels of logging: debug information and error If a Logger implementation is not provided the SDK won't produce any logs

See Also:

Logging Migration contains information about logging in YubiKit, best practices and migration from Logger.

Constructor Summary

Constructors
Constructor Description

Logger()
Deprecated.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`static void`	`d(java.lang.String message)`	Deprecated. Log a debug message.
`static void`	`e(java.lang.String message, java.lang.Throwable throwable)`	Deprecated. Log an error message, together with an exception.
`protected void`	`logDebug(java.lang.String message)`	Deprecated. Specifies how debug messages are logged.
`protected void`	`logError(java.lang.String message, java.lang.Throwable throwable)`	Deprecated. Specifies how error messages (with exceptions) are logged.
`static void`	`setLogger(Logger logger)`	Deprecated. Set the Logger implementation to use.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Logger
```
public Logger()
```
    Deprecated.
- Method Detail
  - logDebug
```
protected void logDebug(java.lang.String message)
```
    Deprecated.
    
    Specifies how debug messages are logged.
    If this method is not overridden, then debug messages will not be logged.
    
    Parameters:
    
    message - the message can to be logged
  - logError
```
protected void logError(java.lang.String message,
                        java.lang.Throwable throwable)
```
    Deprecated.
    
    Specifies how error messages (with exceptions) are logged.
    If this method is not overridden, then error messages will not be logged.
    
    Parameters:
    
    message - the message can to be logged
    
    throwable - the exception that can to be logged or counted
  - setLogger
```
public static void setLogger(@Nullable
                             Logger logger)
```
    Deprecated.
    
    Set the Logger implementation to use. Override the logDebug and logError methods to produce logs. Call with null to disable logging.
    
    Parameters:
    
    logger - the Logger implementation to use
  - d
```
public static void d(java.lang.String message)
```
    Deprecated.
    
    Log a debug message.
  - e
```
public static void e(java.lang.String message,
                     java.lang.Throwable throwable)
```
    Deprecated.
    
    Log an error message, together with an exception.