Package nxt.util

Class MemoryHandler

java.lang.Object

java.util.logging.Handler

nxt.util.MemoryHandler

public class MemoryHandler
extends Handler

MemoryHandler maintains a ring buffer of log messages. The GetLog API is used to retrieve these log messages. The following logging.properties entries are used:

• nxt.util.MemoryHandler.level (default ALL)
• nxt.util.MemoryHandler.size (default 100, minimum 10)

Constructor Summary

Constructors

Constructor	Description
MemoryHandler()	Create a MemoryHandler and configure it based on LogManager properties

Method Summary

Modifier and Type	Method	Description
void	close()	Close the handler
void	flush()	Flush the ring buffer
List<String>	getMessages(int msgCount)	Return the log messages from the ring buffer
void	publish(LogRecord record)	Store a LogRecord in the ring buffer

Methods inherited from class java.util.logging.Handler

getEncoding, getErrorManager, getFilter, getFormatter, getLevel, isLoggable, reportError, setEncoding, setErrorManager, setFilter, setFormatter, setLevel

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

MemoryHandler

public MemoryHandler()

Create a MemoryHandler and configure it based on LogManager properties

Method Details

publish

public void publish(LogRecord record)

Store a LogRecord in the ring buffer

Specified by:

publish in class Handler

Parameters:

record - Description of the log event. A null record is silently ignored and is not published

getMessages

public List<String> getMessages(int msgCount)

Return the log messages from the ring buffer

Parameters:

msgCount - Number of messages to return

Returns:

List of log messages

flush

public void flush()

Flush the ring buffer

Specified by:

flush in class Handler

close

public void close()

Close the handler

Specified by:

close in class Handler