org.owasp.esapi.util
Class NullSafe

java.lang.Object
  org.owasp.esapi.util.NullSafe

public class NullSafe
extends Object

Method Summary

static boolean	equals(Object a, Object b) Object.equals(Object) that safely handles nulls.
static int	hashCode(Object o) Object.hashCode() of an object.
static String	toString(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

Method Detail

equals

public static boolean equals(Object a,
                             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(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 String toString(Object o)

Object.toString() of an object.

Parameters:

o - Object to get a String for.

Returns:

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