Package org.opencms.json

Class JSONObject.Null

  • Enclosing class:
    JSONObject
    protected static final class JSONObject.Null
extends java.lang.Object
    JSONObject.NULL is equivalent to the value that JavaScript calls null, whilst Java's null is equivalent to the value that JavaScript calls undefined.

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      protected Null()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected java.lang.Object clone()
      There is only intended to be a single instance of the NULL object, so the clone method returns itself.
      boolean equals​(java.lang.Object object)
      A Null object is equal to the null value and to itself.
      int hashCode()  
      java.lang.String toString()
      Get the "null" string value.

      • Methods inherited from class java.lang.Object

        finalize, getClass, notify, notifyAll, wait, wait, wait

    • Constructor Detail

      • Null

        protected Null()

    • Method Detail

      • equals

        public boolean equals​(java.lang.Object object)
        A Null object is equal to the null value and to itself.

        Overrides:
        equals in class java.lang.Object
        Parameters:
        object - an object to test for nullness
        Returns:
        true if the object parameter is the JSONObject.NULL object or null

      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class java.lang.Object
        See Also:
        Object.hashCode()

      • toString

        public java.lang.String toString()
        Get the "null" string value.

        Overrides:
        toString in class java.lang.Object
        Returns:
        the string "null".

      • clone

        protected java.lang.Object clone()
        There is only intended to be a single instance of the NULL object, so the clone method returns itself.

        Overrides:
        clone in class java.lang.Object
        Returns:
        NULL.