meka.core

Class ExceptionUtils

java.lang.Object

meka.core.ExceptionUtils

public class ExceptionUtils
extends Object

Helper class for throwables and exceptions.

Version:

$Revision$

Author:

FracPete (fracpete at waikato dot ac dot nz)

Constructor Summary

Constructors

Constructor and Description
ExceptionUtils()

Method Summary

Modifier and Type	Method and Description
static String	handleException(Object source, String msg, Throwable t) Outputs the stacktrace along with the message on stderr and returns a combination of both of them as string.
static String	handleException(Object source, String msg, Throwable t, boolean silent) Generates a string from the stacktrace along with the message and returns that.
static String	throwableToString(Throwable t) Returns the stacktrace of the throwable as string.
static String	throwableToString(Throwable t, int maxLines) Returns the stacktrace of the throwable as string.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExceptionUtils

public ExceptionUtils()

Method Detail

throwableToString

public static String throwableToString(Throwable t)

Returns the stacktrace of the throwable as string.

Parameters:

t - the throwable to get the stacktrace for

Returns:

the stacktrace

throwableToString

public static String throwableToString(Throwable t,
                                       int maxLines)

Returns the stacktrace of the throwable as string.

Parameters:

t - the throwable to get the stacktrace for

maxLines - the maximum number of lines to print, <= 0 for all

Returns:

the stacktrace

handleException

public static String handleException(Object source,
                                     String msg,
                                     Throwable t)

Outputs the stacktrace along with the message on stderr and returns a combination of both of them as string.

Parameters:

source - the object that generated the exception, can be null

msg - the message for the exception

t - the exception

Returns:

the full error message (message + stacktrace)

handleException

public static String handleException(Object source,
                                     String msg,
                                     Throwable t,
                                     boolean silent)

Generates a string from the stacktrace along with the message and returns that. Depending on the silent flag, this string is also output on stderr.

Parameters:

source - the object that generated the exception, can be null

msg - the message for the exception

t - the exception

silent - if true then the generated message is not forwarded to the source's logger

Returns:

the full error message (message + stacktrace)