org.apache.struts2.util
Class ContainUtil

java.lang.Object
  org.apache.struts2.util.ContainUtil

public class ContainUtil
extends java.lang.Object

ContainUtil will check if object 1 contains object 2. Object 1 may be an Object, array, Collection, or a Map

Version:

$Date: 2011-10-26 01:24:56 +0200 (Wed, 26 Oct 2011) $ $Id: ContainUtil.java 1188968 2011-10-25 23:24:56Z mcucchiara $

Constructor Summary

ContainUtil()

Method Summary

static boolean

contains(java.lang.Object obj1, java.lang.Object obj2) Determine if obj2 exists in obj1.

Methods inherited from class java.lang.Object

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

Constructor Detail

ContainUtil

public ContainUtil()

Method Detail

contains

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

Determine if obj2 exists in obj1.

Type Of obj1	Comparison type
null		always return false
Map	Map containsKey(obj2)
Collection	Collection contains(obj2)
Array	there's an array element (e) where e.equals(obj2)
Object	obj1.equals(obj2)

Parameters:

obj1 -

obj2 -

Returns: