Package hu.icellmobilsoft.coffee.tool.utils.validation

Class ParamValidatorUtil

java.lang.Object

hu.icellmobilsoft.coffee.tool.utils.validation.ParamValidatorUtil

public class ParamValidatorUtil
extends Object

Utility for function parameter validation.

Since:

2.3.0

Author:

attila.kiss

Method Summary

Modifier and Type	Method	Description
static String	requireNonBlank(String object, String paramName)	Ensures that the specified parameter cannot be blank String.
static <T> Collection<T>	requireNonEmpty(Collection<T> object, String paramName)	Ensures that the specified parameter cannot be an empty Collection.
static <T> T	requireNonEmpty(Optional<T> object, String paramName)	Ensures that the specified parameter cannot be an empty Optional.
static <T> T	requireNonNull(T object, String paramName)	Ensures that the specified parameter cannot be null.

Methods inherited from class java.lang.Object

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

Method Detail

requireNonNull

public static <T> T requireNonNull(T object,
                                   String paramName)
                            throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Ensures that the specified parameter cannot be null.

Type Parameters:

T - the type of the parameter

Parameters:

object - the parameter

paramName - the name of the parameter

Returns:

the not null parameter

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - if the parameter is null

requireNonBlank

public static String requireNonBlank(String object,
                                     String paramName)
                              throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Ensures that the specified parameter cannot be blank String.

Parameters:

object - the parameter

paramName - the name of the parameter

Returns:

the non blank parameter

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - if the parameter is blank

requireNonEmpty

public static <T> T requireNonEmpty(Optional<T> object,
                                    String paramName)
                             throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Ensures that the specified parameter cannot be an empty Optional.

Type Parameters:

T - the type of the parameter

Parameters:

object - the parameter

paramName - the name of the parameter

Returns:

the value of the non-empty Optional

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - if the parameter is null or empty

requireNonEmpty

public static <T> Collection<T> requireNonEmpty(Collection<T> object,
                                                String paramName)
                                         throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Ensures that the specified parameter cannot be an empty Collection.

Type Parameters:

T - the type of the Collection parameter

Parameters:

object - the parameter

paramName - the name of the parameter

Returns:

the non-empty Collection

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - if the parameter is null or empty