com.bea.commerce.ebusiness.discount.util
Class Log

java.lang.Object
  com.bea.commerce.ebusiness.discount.util.Log

public class Log

extends Object

This class provides some very simple logging interfaces. Everything is static, so just call Log.info(), etc. All static methods for this Singleton service.

Field Summary

static boolean	consoleMode flag for logging to console in addition to log file
static String	logDir Directory holding log output
static String	logFile The name of the file holding log output
static PrintWriter	logWriter output for stderr console logging
static PrintWriter	stderrWriter output for stderr console logging
static PrintWriter	stdoutWriter output for stdout console logging
static String	T_SEP

Constructor Summary

Log()

Method Summary

static void	clearConsole() Sets the consoleMode flag to false stopping logging to the tty.
static String	currentTime()
static void	debug(Object o, String s) Sends string (prepended with class name) to debug log with newline
static void	debug(String s) Sends string to debug log with newline
static void	debug(String s, boolean newline) Sends string to debug log with optional newline
static void	debug(Throwable e) Prints a stackTrace for the given exception to error log
static void	error(Object o, String s) Sends string (prepended with class name) to error log with newline
static void	error(String s) Sends string to error log with newline
static void	error(String s, boolean newline) Sends string to error log with optional newline
static void	error(Throwable e) Prints a stackTrace for the given exception to error log
static void	exception(Throwable e) Prints a stackTrace for the given exception to error log
static void	fatal(String s, int exitVal) WARNING: calls System.exit() to kill the VM
static void	fatal(Throwable e, int exitVal) WARNING: calls System.exit() to kill the VM
static PrintWriter	getPrintWriter() Synchronize on this writer if used in a multi-threaded environment.
static String	getStackTrace(Throwable e)
static PrintWriter	getStderrWriter() Synchronize on this writer if used in a multi-threaded environment.
static PrintWriter	getStdoutWriter() Synchronize on this writer if used in a multi-threaded environment.
static void	info(String s) Sends string to info log with newline
static void	info(String s, boolean newline) Sends string to info log with optional newline
static void	printCurrentTime(PrintWriter out)
static void	printCurrentTime(PrintWriter out, boolean showThread)
static long	profileFinish(String taskName, long startTime) Logs the start, finished, and elapsed time for the given task For example, long startTime = Log.profileStart(); ...do some stuff...
static long	profileFinish(String taskName, long startTime, long finishTime, boolean verbose)
static long	profileStart()
static void	setConsole() Sets the console flag to true causing all logging to be sent to the tty
static void	setConsole(boolean value) Sets the consoleMode flag controlling logging to the tty.
static PrintWriter	setPrintWriter(PrintWriter writer) Synchronize on this writer if used in a multi-threaded environment.
static void	stackTrace() Prints a stackTrace marking the current stack to error log
static void	warn(String s) Sends string to warn log with newline
static void	warn(String s, boolean newline) Sends string to warn log with optional newline

Methods inherited from class java.lang.Object

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

Field Detail

consoleMode

public static boolean consoleMode

flag for logging to console in addition to log file

logDir

public static String logDir

Directory holding log output

logFile

public static String logFile

The name of the file holding log output

logWriter

public static PrintWriter logWriter

output for stderr console logging

stderrWriter

public static PrintWriter stderrWriter

output for stderr console logging

stdoutWriter

public static PrintWriter stdoutWriter

output for stdout console logging

T_SEP

public static final String T_SEP

See Also:

Constant Field Values

Constructor Detail

Log

public Log()

Method Detail

clearConsole

public static void clearConsole()

Sets the consoleMode flag to false stopping logging to the tty.

currentTime

public static String currentTime()

Returns:

The current time and thread name formatted for logging

debug

public static void debug(Object o,
                         String s)

Sends string (prepended with class name) to debug log with newline

debug

public static void debug(String s)

Sends string to debug log with newline

debug

public static void debug(String s,
                         boolean newline)

Sends string to debug log with optional newline

debug

public static void debug(Throwable e)

Prints a stackTrace for the given exception to error log

error

public static void error(Object o,
                         String s)

Sends string (prepended with class name) to error log with newline

error

public static void error(String s)

Sends string to error log with newline

error

public static void error(String s,
                         boolean newline)

Sends string to error log with optional newline

error

public static void error(Throwable e)

Prints a stackTrace for the given exception to error log

exception

public static void exception(Throwable e)

Prints a stackTrace for the given exception to error log

fatal

public static void fatal(String s,
                         int exitVal)

WARNING: calls System.exit() to kill the VM

fatal

public static void fatal(Throwable e,
                         int exitVal)

WARNING: calls System.exit() to kill the VM

getPrintWriter

public static PrintWriter getPrintWriter()

Synchronize on this writer if used in a multi-threaded environment.

getStackTrace

public static String getStackTrace(Throwable e)

Returns:

String with stack trace information for given exception

getStderrWriter

public static PrintWriter getStderrWriter()

Synchronize on this writer if used in a multi-threaded environment.

getStdoutWriter

public static PrintWriter getStdoutWriter()

Synchronize on this writer if used in a multi-threaded environment.

info

public static void info(String s)

Sends string to info log with newline

info

public static void info(String s,
                        boolean newline)

Sends string to info log with optional newline

printCurrentTime

public static void printCurrentTime(PrintWriter out)

printCurrentTime

public static void printCurrentTime(PrintWriter out,
                                    boolean showThread)

profileFinish

public static long profileFinish(String taskName,
                                 long startTime)

Logs the start, finished, and elapsed time for the given task For example,

 long startTime = Log.profileStart();
 ...do some stuff...
 Log.profileFinish("MyApp.TaskName", startTime);
 

Parameters:

taskName - A short name for the task -- no spaces

startTime - from profileStart

profileFinish

public static long profileFinish(String taskName,
                                 long startTime,
                                 long finishTime,
                                 boolean verbose)

profileStart

public static long profileStart()

Returns:

the startTime used in profileFinish

setConsole

public static void setConsole()

Sets the console flag to true causing all logging to be sent to the tty

setConsole

public static void setConsole(boolean value)

Sets the consoleMode flag controlling logging to the tty.

setPrintWriter

public static PrintWriter setPrintWriter(PrintWriter writer)

Synchronize on this writer if used in a multi-threaded environment.

stackTrace

public static void stackTrace()

Prints a stackTrace marking the current stack to error log

warn

public static void warn(String s)

Sends string to warn log with newline

warn

public static void warn(String s,
                        boolean newline)

Sends string to warn log with optional newline