jodd.util

Class Util

java.lang.Object

jodd.util.Util

public class Util
extends java.lang.Object

Some general utilities. All methods are safe as possible and operates with as many types as possible.

Constructor Summary

Constructors

Constructor and Description
Util()

Method Summary

Modifier and Type	Method and Description
static boolean	containsElement(java.lang.Object obj, java.lang.Object element) Returns true if first argument contains provided element.
static boolean	equals(java.lang.Object obj1, java.lang.Object obj2) Safely compares two objects just like equals() would, except it allows any of the 2 objects to be null.
static int	length(java.lang.Object obj) Returns length of the object.
static java.lang.String	toString(java.lang.Object value) Returns string representation of an object, while checking for null.

Methods inherited from class java.lang.Object

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

Constructor Detail

Util

public Util()

Method Detail

equals

public static boolean equals(java.lang.Object obj1,
                             java.lang.Object obj2)

Safely compares two objects just like equals() would, except it allows any of the 2 objects to be null.

Returns:

true if arguments are equal, otherwise false

toString

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

Returns string representation of an object, while checking for null.

length

public static int length(java.lang.Object obj)

Returns length of the object. Returns 0 for null. Returns -1 for objects without a length.

containsElement

public static boolean containsElement(java.lang.Object obj,
                                      java.lang.Object element)

Returns true if first argument contains provided element. It works for strings, collections, maps and arrays. s