org.defne.utility
Class Utility

java.lang.Object
  org.defne.utility.Utility

public final class Utility
extends Object

Some utility methods for using all over the project.

Version:

$Rev: 55 $ $Date: 2010-07-06 14:36:36 +0300 (Tue, 06 Jul 2010) $

Method Summary

static String	getAndSetSystemProperty(String propertyName, String defaultValue) Gets system property value with the given name.
static String	getExceptionMessage(DefneException e) Build chain of exception message.
static String	getSystemProperty(String propertyName) Gets system property value with the given name.
static String	getSystemProperty(String propertyName, String defaultValue) Gets system property value with the given name.
static Throwable	getTargetException(Exception exception) Gets target exception if the given exception is InvocationTargetException.
static void	throwsDefneException(Exception throwable) Check and throws defne exception.

Methods inherited from class java.lang.Object

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

Method Detail

getTargetException

public static Throwable getTargetException(Exception exception)

Gets target exception if the given exception is InvocationTargetException.

Parameters:

exception - throwed exception

Returns:

the target exception

throwsDefneException

public static void throwsDefneException(Exception throwable)

Check and throws defne exception.

Parameters:

throwable - cause

getSystemProperty

public static String getSystemProperty(String propertyName)

Gets system property value with the given name.

Parameters:

propertyName - system property name

Returns:

system property value

getSystemProperty

public static String getSystemProperty(String propertyName,
                                       String defaultValue)

Gets system property value with the given name.

Parameters:

propertyName - system property name

defaultValue - default value

Returns:

system property value

getAndSetSystemProperty

public static String getAndSetSystemProperty(String propertyName,
                                             String defaultValue)

Gets system property value with the given name. If no property found and default value is given, sets it.

Parameters:

propertyName - system property name

defaultValue - default value

Returns:

system property value

getExceptionMessage

public static String getExceptionMessage(DefneException e)

Build chain of exception message.

Parameters:

e - defne exception

Returns:

full of the exception chain message