AbstractLogger (Apache Felix Declarative Services 2.1.16 API)

java.lang.Object
- org.apache.felix.scr.impl.logger.AbstractLogger

Direct Known Subclasses:

BundleLogger, ComponentLogger, ScrLogger
```
public abstract class AbstractLogger
extends Object
```
This is a common base for all loggers

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`isLogEnabled(int level)`	Returns `true` if logging for the given level is enabled.
`boolean`	`log(int level, String message, Throwable ex)`	Method to actually emit the log message.
`boolean`	`log(int level, String pattern, Throwable ex, Object... arguments)`	Method to actually emit the log message.

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

- Method Detail
  - isLogEnabled
```
public boolean isLogEnabled(int level)
```
    Returns true if logging for the given level is enabled.
  - log
```
public boolean log(int level,
                   String pattern,
                   Throwable ex,
                   Object... arguments)
```
    Method to actually emit the log message. If the LogService is available, the message will be logged through the LogService. Otherwise the message is logged to stdout (or stderr in case of LOG_ERROR level messages),
    
    Parameters:
    
    level - The log level to log the message at
    
    pattern - The java.text.MessageFormat message format string for preparing the message
    
    ex - An optional Throwable whose stack trace is written,
    
    arguments - The format arguments for the pattern string.
  - log
```
public boolean log(int level,
                   String message,
                   Throwable ex)
```
    Method to actually emit the log message. If the LogService is available, the message will be logged through the LogService. Otherwise the message is logged to stdout (or stderr in case of LOG_ERROR level messages),
    
    Parameters:
    
    level - The log level of the messages. This corresponds to the log levels defined by the OSGi LogService.
    
    message - The message to print
    
    ex - The Throwable causing the message to be logged.