xapi.util.validators

Class ChecksNonNull

java.lang.Object

xapi.util.validators.ChecksNonNull

All Implemented Interfaces:

ValidatesValue<Object>

Direct Known Subclasses:

ChecksStringNotEmpty

public class ChecksNonNull
extends Object
implements ValidatesValue<Object>

Field Summary

Fields

Modifier and Type	Field and Description
static ChecksNonNull	SINGLETON

Constructor Summary

Constructors

Constructor and Description
ChecksNonNull()

Method Summary

Methods

Modifier and Type	Method and Description
String	validate(Object object, String message) Return null for valid, and String message for invalid.

Methods inherited from class java.lang.Object

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

Field Detail

SINGLETON

public static final ChecksNonNull SINGLETON

Constructor Detail

ChecksNonNull

public ChecksNonNull()

Method Detail

validate

public String validate(Object object,
              String message)

Description copied from interface: ValidatesValue

Return null for valid, and String message for invalid.

Specified by:

validate in interface ValidatesValue<Object>

Parameters:

object - - The object to validate

message - - Some debug data to prepend to invalid message

Returns:

message + " why object is invalid";