org.unitils.objectvalidation.utils
Class Utils

java.lang.Object
  org.unitils.objectvalidation.utils.Utils

public final class Utils
extends Object

Utility methods for the validation module.

Since:

Oct 10, 2013

Author:

Matthieu Mestrez

Method Summary

static void	checkArgument(boolean expression, Object errorMessage)
static <T> T	checkNotNull(T reference, Object errorMessage)
static <T> List<Field>	findOneAndOnlyFieldForAnnotation(Class<? extends Object> classContainingField, Class<? extends Annotation> annotation, Class<T> fieldType) Will look in the test class to find a field of type 'fieldType' annotated with 'annotation'
static Object	instantiate(Class<?> classToInstatiate)
static EqualsHashCodeValidator	toEqualsHashCodeValidator(Class<?> classToCast)
static ObjectValidationRulesCollection	toRulesCollection(Class<?> classToCast)
static ObjectValidationRulesCollection	toRulesCollection(String rulesClassName)

Methods inherited from class java.lang.Object

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

Method Detail

findOneAndOnlyFieldForAnnotation

public static <T> List<Field> findOneAndOnlyFieldForAnnotation(Class<? extends Object> classContainingField,
                                                               Class<? extends Annotation> annotation,
                                                               Class<T> fieldType)

Will look in the test class to find a field of type 'fieldType' annotated with 'annotation'

Parameters:

classContainingField -

annotation -

fieldType -

Returns:

the field if it exists

Throws:

IllegalStateException - if there was an error retrieving the field.

toRulesCollection

public static ObjectValidationRulesCollection toRulesCollection(String rulesClassName)

toEqualsHashCodeValidator

public static EqualsHashCodeValidator toEqualsHashCodeValidator(Class<?> classToCast)

toRulesCollection

public static ObjectValidationRulesCollection toRulesCollection(Class<?> classToCast)

instantiate

public static Object instantiate(Class<?> classToInstatiate)

checkNotNull

public static <T> T checkNotNull(T reference,
                                 Object errorMessage)

checkArgument

public static void checkArgument(boolean expression,
                                 Object errorMessage)