Package javaforce

Class JFLog

java.lang.Object

javaforce.JFLog

public class JFLog
extends Object

JFLog is a file logger with support for multiple files and optional outputs to System.out as well.

Field Summary

Fields

Modifier and Type	Field	Description
static boolean	debug
static final int	DEBUG
static final int	DEFAULT
static final int	ERROR
static final int	INFO
static final int	TRACE
static final int	WARN

Constructor Summary

Constructors

Constructor	Description
JFLog()

Method Summary

Modifier and Type	Method	Description
static boolean	append(int id, String filename, boolean stdout)
static boolean	append(String filename, boolean stdout)
static boolean	close()
static boolean	close(int id)
static void	enableTimestamp(boolean state)	Uses a timestamp instead of date/time for each message logged.
static File[]	getFiles(int id)
static int[]	getIDs()
static String	getLogFileName(int id)
static OutputStream	getOutputStream()
static OutputStream	getOutputStream(int id)
static boolean	init(int id, String filename, boolean stdout)
static boolean	init(int id, String filename, boolean append, PrintStream stdout)
static boolean	init(String filename, boolean stdout)
static boolean	log(int id, String msg)
static boolean	log(int id, String msg, byte[] buffer, int offset, int length)
static boolean	log(int id, String msg, Throwable t)
static boolean	log(int id, Throwable t)
static boolean	log(String msg)
static boolean	log(String msg, byte[] buffer, int offset, int length)
static boolean	log(String msg, Throwable t)
static boolean	log(Throwable t)
static void	logTrace(int id, String msg)
static void	logTrace(String msg)
static boolean	rotate()	Rotates log file.
static boolean	rotate(int id)	Rotates log file.
static void	setEnabled(boolean state)
static void	setEnabled(int id, boolean state)
static void	setMaxFilesize(int id, long size)	Sets max file size for log.
static void	setMaxFilesize(long size)	Sets max file size for log.
static void	setRetention(int days)
static void	setRetention(int id, int days)
static void	setShowCause(boolean state)	Display cause of Exceptions in log(Throwable t).
static boolean	write(byte[] data, int off, int len)	NOTE: write() doesn't cycle log files.
static boolean	write(int id, byte[] data, int off, int len)	NOTE: write() doesn't cycle log files.

Methods inherited from class java.lang.Object

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

Field Details

debug

public static boolean debug

DEFAULT

public static final int DEFAULT

See Also:

• Constant Field Values

TRACE

public static final int TRACE

See Also:

• Constant Field Values

DEBUG

public static final int DEBUG

See Also:

• Constant Field Values

INFO

public static final int INFO

See Also:

• Constant Field Values

WARN

public static final int WARN

See Also:

• Constant Field Values

ERROR

public static final int ERROR

See Also:

• Constant Field Values

Constructor Details

JFLog

public JFLog()

Method Details

init

public static boolean init(int id,
 String filename,
 boolean append,
 PrintStream stdout)

init

public static boolean init(String filename,
 boolean stdout)

init

public static boolean init(int id,
 String filename,
 boolean stdout)

append

public static boolean append(String filename,
 boolean stdout)

append

public static boolean append(int id,
 String filename,
 boolean stdout)

getIDs

public static int[] getIDs()

getLogFileName

public static String getLogFileName(int id)

setRetention

public static void setRetention(int id,
 int days)

setRetention

public static void setRetention(int days)

setMaxFilesize

public static void setMaxFilesize(int id,
 long size)

Sets max file size for log. Once the file is greater the log will rotate()

setMaxFilesize

public static void setMaxFilesize(long size)

Sets max file size for log. Once the file is greater the log will rotate()

close

public static boolean close(int id)

close

public static boolean close()

enableTimestamp

public static void enableTimestamp(boolean state)

Uses a timestamp instead of date/time for each message logged. Timestamp is based on time when this method is called. Effects all logs.

setShowCause

public static void setShowCause(boolean state)

Display cause of Exceptions in log(Throwable t).

log

public static boolean log(String msg)

log

public static boolean log(int id,
 String msg)

log

public static boolean log(String msg,
 byte[] buffer,
 int offset,
 int length)

log

public static boolean log(int id,
 String msg,
 byte[] buffer,
 int offset,
 int length)

rotate

public static boolean rotate(int id)

Rotates log file.

getFiles

public static File[] getFiles(int id)

rotate

public static boolean rotate()

Rotates log file.

log

public static boolean log(Throwable t)

log

public static boolean log(int id,
 Throwable t)

log

public static boolean log(String msg,
 Throwable t)

log

public static boolean log(int id,
 String msg,
 Throwable t)

setEnabled

public static void setEnabled(int id,
 boolean state)

setEnabled

public static void setEnabled(boolean state)

write

public static boolean write(int id,
 byte[] data,
 int off,
 int len)

NOTE: write() doesn't cycle log files.

write

public static boolean write(byte[] data,
 int off,
 int len)

NOTE: write() doesn't cycle log files.

getOutputStream

public static OutputStream getOutputStream(int id)

getOutputStream

public static OutputStream getOutputStream()

logTrace

public static void logTrace(int id,
 String msg)

logTrace

public static void logTrace(String msg)