com.googlecode.jbp.common.requirements
Class PreCondition

java.lang.Object
  com.googlecode.jbp.common.requirements.AbstractRequirements
      com.googlecode.jbp.common.requirements.PreCondition

All Implemented Interfaces:

IRequirements

public final class PreCondition
extends AbstractRequirements

Provides useful methods to check if preconditions are met.

Unless explicitly stated, these methods throw a PreConditionException if the precondition is not met.

Author:

Yannick LOTH - yannick AT littlej.biz -

Field Summary

static PreCondition

INSTANCE

Method Summary

protected void

onConditionNotMet(String messageParam) Called if a condition is not met.

Methods inherited from class com.googlecode.jbp.common.requirements.AbstractRequirements

requireAllInstanceOf, requireConjunction, requireDirectory, requireDirectory, requireDisjunction, requireExclusiveDisjunction, requireExistingFile, requireExistingFile, requireFalse, requireFutureInstant, requireFutureInstant, requireInstanceOf, requireNotAllSimultaneouslyNull, requireNotAllSimultaneouslyNull, requireNotBlank, requireNotEmpty, requireNotExistingFile, requireNotExistingFile, requireNotNegative, requireNotNegativeNorZero, requireNotNull, requireNotPositive, requireNotPositiveNorZero, requireNotZero, requireNull, requirePastInstant, requirePastInstant, requireTrue

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final PreCondition INSTANCE

Method Detail

onConditionNotMet

protected void onConditionNotMet(String messageParam)

Description copied from class: AbstractRequirements

Called if a condition is not met. Usually throws a RequirementException.

Specified by:

onConditionNotMet in class AbstractRequirements

Parameters:

messageParam - The associated message.