de.hybris.platform.servicelayer.util

Class ServicesUtil

java.lang.Object

de.hybris.platform.servicelayer.util.ServicesUtil

public class ServicesUtil
extends Object

Utilities for handling e.g. exceptions in DAO classes in a common way, parameters etc.

Constructor Summary

Constructors

Constructor and Description
ServicesUtil()

Method Summary

Modifier and Type	Method and Description
static void	validateIfAnyResult(Collection resultToCheck, String unknownIdException) Checks if collection contains any objects.
static void	validateIfSingleResult(Collection<? extends Object> resultToCheck, Class clazz, String qualifier, Object qualifierValue) Checks if collection contains only a single object and generates proper exception messages out of passed type and qualifier.
static void	validateIfSingleResult(Collection<? extends Object> resultToCheck, String unknownIdException, String ambiguousIdException) Checks if collection contains only a single object.
static void	validateParameterNotNull(Object parameter, String nullMessage) Validates if parameter passed to method is not null
static void	validateParameterNotNullStandardMessage(String parameter, Object parameterValue) Validates if parameter value passed to method is not null.

Methods inherited from class java.lang.Object

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

Constructor Detail

ServicesUtil

public ServicesUtil()

Method Detail

validateIfSingleResult

public static void validateIfSingleResult(Collection<? extends Object> resultToCheck,
                                          String unknownIdException,
                                          String ambiguousIdException)

Checks if collection contains only a single object.

Parameters:

resultToCheck - collection to check

unknownIdException - message for exception thrown if collection is empty or is null

ambiguousIdException - message for exception thrown if collection has more than one object

Throws:

UnknownIdentifierException - if collection is empty or is null

AmbiguousIdentifierException - if collection has more than one object

validateIfSingleResult

public static void validateIfSingleResult(Collection<? extends Object> resultToCheck,
                                          Class clazz,
                                          String qualifier,
                                          Object qualifierValue)

Checks if collection contains only a single object and generates proper exception messages out of passed type and qualifier.

Parameters:

resultToCheck - collection to check

clazz - result must contain elements which are assignable from this clazz

qualifier - unique qualifier used for search

qualifierValue - for qualifier

Throws:

UnknownIdentifierException - if collection is empty or is null

AmbiguousIdentifierException - if collection has more than one object

IllegalStateException - if element in collection is NOT of the given type

validateIfAnyResult

public static void validateIfAnyResult(Collection resultToCheck,
                                       String unknownIdException)

Checks if collection contains any objects.

Parameters:

resultToCheck - collection to check

unknownIdException - message for exception thrown if collection is empty or is null

Throws:

UnknownIdentifierException - if collection is empty or is null

validateParameterNotNull

public static void validateParameterNotNull(Object parameter,
                                            String nullMessage)

Validates if parameter passed to method is not null

Parameters:

parameter - to check

nullMessage - message for exception thrown if parameter is null

Throws:

IllegalArgumentException - if parameter is null

validateParameterNotNullStandardMessage

public static void validateParameterNotNullStandardMessage(String parameter,
                                                           Object parameterValue)

Validates if parameter value passed to method is not null.

Parameters:

parameter - name of parameter used for exception message

parameterValue - value to check for null

Throws:

IllegalArgumentException - if parameter is null