com.gemstone.persistence.admin

Class Logger

java.lang.Object

com.gemstone.persistence.admin.Logger

public class Logger
extends Object

Provides single point for all log messages to written to. Currently this class only supports static methods and always writes to stdout.

Constructor Summary

Constructors

Constructor and Description
Logger()

Method Summary

Modifier and Type	Method and Description
static String	format(String format, Object[] objs) Formats a message.
static String	formatDate(Date d) Convert a Date to a timestamp String.
static String	getTimeStamp() Gets a String representation of the current time.
static void	put(PrintWriter log, String msg) Logs a message to the specified log destination.
static void	put(PrintWriter log, String msg, Throwable exception) Logs a message and an exception to the specified log destination.
static void	put(PrintWriter log, Throwable exception) Logs an exception to the specified log destination.
static void	put(String msg) Logs a message to the static log destination.
static void	put(String msg, Throwable exception) Logs a message and an exception to the static log destination.
static void	put(Throwable exception) Logs an exception to the static log destination.

Methods inherited from class java.lang.Object

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

Constructor Detail

Logger

public Logger()

Method Detail

getTimeStamp

public static String getTimeStamp()

Gets a String representation of the current time.

Returns:

a String representation of the current time.

formatDate

public static String formatDate(Date d)

Convert a Date to a timestamp String.

Parameters:

d - a Date to format as a timestamp String.

Returns:

a String representation of the current time.

put

public static void put(String msg)

Logs a message to the static log destination.

Parameters:

msg - the actual message to log

put

public static void put(PrintWriter log,
                       String msg)

Logs a message to the specified log destination.

Parameters:

log - the PrintWriter that the message will be written to.

msg - the actual message to log

put

public static void put(Throwable exception)

Logs an exception to the static log destination.

Parameters:

exception - the actual Exception to log

put

public static void put(PrintWriter log,
                       Throwable exception)

Logs an exception to the specified log destination.

Parameters:

log - the PrintWriter that the message will be written to.

exception - the actual Exception to log

put

public static void put(String msg,
                       Throwable exception)

Logs a message and an exception to the static log destination.

Parameters:

msg - the actual message to log

exception - the actual Exception to log

put

public static void put(PrintWriter log,
                       String msg,
                       Throwable exception)

Logs a message and an exception to the specified log destination.

Parameters:

log - the PrintWriter that the message will be written to. If null then the default stdout writer is used.

msg - the actual message to log

exception - the actual Exception to log

format

public static String format(String format,
                            Object[] objs)

Formats a message. Takes special care when invoking the toString() method of objects that might cause NPEs.