Package org.apache.struts2.util

Class ContainUtil

java.lang.Object
org.apache.struts2.util.ContainUtil
public class ContainUtil extends Object
ContainUtil will check if object 1 contains object 2. Object 1 may be an Object, array, Collection, or a Map

  • Constructor Details

    • ContainUtil

      public ContainUtil()

  • Method Details

    • contains

      public static boolean contains(Object obj1, 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 - first object
      obj2 - second object
      Returns:
      true if first object contains second object or if the are equals, otherwise false