jwo.utils
Class OutputLogger

java.lang.Object
  jwo.utils.OutputLogger

public class OutputLogger

extends Object

Allows standard output and standard error output to be redirected to an arbitrary log file. Useful for recording detailed error/usage ouput, or for providing an output console available to the client program.

Version:

2.2, 23rd February, 2004.

Author:

Jo Wood

Field Summary

static int	STANDARD_ERR Indicates standard error stream.
static int	STANDARD_OUT Indicates standard output stream.

Constructor Summary

OutputLogger()
Redirects standard and error output to the defult logger output.

OutputLogger(Logger logger)
Redirects standard and error output to the given logger.

Method Summary

Logger	getLogger() Reports the logger used to capture output.
static String	getStackTraceAsString(Exception e) Reports a full stack trace as a string.

Methods inherited from class java.lang.Object

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

Field Detail

STANDARD_OUT

public static final int STANDARD_OUT

Indicates standard output stream.

See Also:

Constant Field Values

STANDARD_ERR

public static final int STANDARD_ERR

Indicates standard error stream.

See Also:

Constant Field Values

Constructor Detail

OutputLogger

public OutputLogger()

Redirects standard and error output to the defult logger output. Uses a default 'jwo.utils' logger.

OutputLogger

public OutputLogger(Logger logger)

Redirects standard and error output to the given logger.

Parameters:

logger - Logger that will capture output.

Method Detail

getStackTraceAsString

public static String getStackTraceAsString(Exception e)

Reports a full stack trace as a string. Useful for sending exception stack traces to the logger.

Parameters:

e - Exception to store.

Returns:

String holding full stack trace of exception.

getLogger

public Logger getLogger()

Reports the logger used to capture output.

Returns:

Logger used to capture output.