org.owasp.esapi.util

Class NullSafe

java.lang.Object

org.owasp.esapi.util.NullSafe

public class NullSafe
extends java.lang.Object

Constructor Summary

Constructors

Modifier	Constructor and Description
private	NullSafe() Class should not be instantiated.

Method Summary

Modifier and Type	Method and Description
static boolean	equals(java.lang.Object a, java.lang.Object b) Object.equals(Object) that safely handles nulls.
static int	hashCode(java.lang.Object o) Object.hashCode() of an object.
static java.lang.String	toString(java.lang.Object o) Object.toString() of an object.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullSafe

private NullSafe()

Class should not be instantiated.

Method Detail

equals

public static boolean equals(java.lang.Object a,
                             java.lang.Object b)

Object.equals(Object) that safely handles nulls.

Parameters:

a - First object

b - Second object

Returns:

true if a == b or a.equals(b). false otherwise.

hashCode

public static int hashCode(java.lang.Object o)

Object.hashCode() of an object.

Parameters:

o - Object to get a hashCode for.

Returns:

0 if o is null. Otherwise o.hashCode().

toString

public static java.lang.String toString(java.lang.Object o)

Object.toString() of an object.

Parameters:

o - Object to get a String for.

Returns:

"(null)" o is null. Otherwise o.toString().