nxt.util

Class MemoryHandler

java.lang.Object

java.util.logging.Handler

nxt.util.MemoryHandler

public class MemoryHandler
extends java.util.logging.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 and Description
MemoryHandler() Create a MemoryHandler and configure it based on LogManager properties

Method Summary

Modifier and Type	Method and Description
void	close() Close the handler
void	flush() Flush the ring buffer
java.util.List<java.lang.String>	getMessages(int msgCount) Return the log messages from the ring buffer
void	publish(java.util.logging.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 Detail

MemoryHandler

public MemoryHandler()

Create a MemoryHandler and configure it based on LogManager properties

Method Detail

publish

public void publish(java.util.logging.LogRecord record)

Store a LogRecord in the ring buffer

Specified by:

publish in class java.util.logging.Handler

Parameters:

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

getMessages

public java.util.List<java.lang.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 java.util.logging.Handler

close

public void close()

Close the handler

Specified by:

close in class java.util.logging.Handler