Package io.mosip.kernel.core.util

Class EmptyCheckUtils

java.lang.Object

io.mosip.kernel.core.util.EmptyCheckUtils

public final class EmptyCheckUtils
extends Object

This class is used to avoid NPE: NullPointerException easily.

Since:

1.0.0

Author:

Bal Vikash Sharma

Method Summary

Modifier and Type	Method	Description
static boolean	isNullEmpty(Object obj)	This method used to check if given obj is null.
static boolean	isNullEmpty(String str)	This method is used to check if the given str is null or an empty string.
static boolean	isNullEmpty(Collection<?> collection)	This method is used to check given collection is null or is Empty.
static boolean	isNullEmpty(Map<?,?> map)	This method is used to check given map is null or is Empty.

Methods inherited from class java.lang.Object

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

Method Detail

isNullEmpty

public static boolean isNullEmpty(Object obj)

This method used to check if given obj is null.

Parameters:

obj - is of any java.lang.Object type.

Returns:

true if obj is null.

isNullEmpty

public static boolean isNullEmpty(String str)

This method is used to check if the given str is null or an empty string.

Parameters:

str - id of type java.lang.String

Returns:

true if given str is null or length of it is Zero after trim.

isNullEmpty

public static boolean isNullEmpty(Collection<?> collection)

This method is used to check given collection is null or is Empty.

Parameters:

collection - is of type java.util.Collection.

Returns:

true if given collection is null or does not contains any element inside it.

isNullEmpty

public static boolean isNullEmpty(Map<?,?> map)

This method is used to check given map is null or is Empty.

Parameters:

map - is of type java.util.Map

Returns:

true if given map is null or does not contains any key, values pairs inside it.