Package net.sf.jasperreports.engine.util

Class ObjectUtils

  • public class ObjectUtils
extends java.lang.Object
    Object comparison and hashing utilities.
    Author:
    Lucian Chirita (lucianc@users.sourceforge.net)

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      static class  ObjectUtils.HashCode
      Hash code creator for objects.

    • Constructor Summary

      Constructors 
      Constructor Description
      ObjectUtils()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static boolean equals​(boolean b1, boolean b2)
      Determines whether two boolean values are equal.
      static boolean equals​(float f1, float f2)  
      static boolean equals​(int i1, int i2)
      Determines whether two integer values are equal.
      static <T extends java.lang.Enum<T>>
      boolean      		 equals​(java.lang.Enum<T> o1, java.lang.Enum<T> o2)
      Determines whether two enum values are equal.
      static boolean equals​(java.lang.Object o1, java.lang.Object o2)
      Determines whether two objects are equal, including null values.
      static boolean equals​(JRPropertiesMap p1, JRPropertiesMap p2)
      Determines whether two property sets are identical.
      static boolean equalsIdentity​(java.lang.Object o1, java.lang.Object o2)
      Determines whether two objects are the same as instances.
      static ObjectUtils.HashCode hash()
      Returns a fresh hash code creator.
      static int hashCode​(java.lang.Object o)  
      static boolean identical​(java.lang.Object[] v1, java.lang.Object[] v2)
      Determines whether two arrays of objects are identical.
      static boolean identical​(java.lang.Object o1, java.lang.Object o2)
      Determines whether two objects are identical.
      static boolean identical​(java.util.List<?> l1, java.util.List<?> l2)
      Determines whether two lists of objects are identical.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • ObjectUtils

        public ObjectUtils()

    • Method Detail

      • hash

        public static ObjectUtils.HashCode hash()
        Returns a fresh hash code creator.
        Returns:
        a fresh hash code creator

      • hashCode

        public static int hashCode​(java.lang.Object o)

      • equalsIdentity

        public static boolean equalsIdentity​(java.lang.Object o1,
                                     java.lang.Object o2)
        Determines whether two objects are the same as instances.
        Parameters:
        o1 -
        o2 -
        Returns:
        whether the two objects are the same as instances

      • identical

        public static boolean identical​(java.lang.Object o1,
                                java.lang.Object o2)
        Determines whether two objects are identical. If the objects implement Deduplicable, the deduplication method is used to compare the objects. Otherwise, Object.equals is used.
        Parameters:
        o1 -
        o2 -
        Returns:
        whether the two objects are identical

      • identical

        public static boolean identical​(java.lang.Object[] v1,
                                java.lang.Object[] v2)
        Determines whether two arrays of objects are identical.
        Parameters:
        v1 -
        v2 -
        Returns:
        whether the two arrays are identical
        See Also:
        identical(Object, Object)

      • identical

        public static boolean identical​(java.util.List<?> l1,
                                java.util.List<?> l2)
        Determines whether two lists of objects are identical.
        Parameters:
        l1 -
        l2 -
        Returns:
        whether the two lists of objects are identical
        See Also:
        identical(Object, Object)

      • equals

        public static boolean equals​(java.lang.Object o1,
                             java.lang.Object o2)
        Determines whether two objects are equal, including null values.
        Parameters:
        o1 -
        o2 -
        Returns:
        whether the two objects are equal

      • equals

        public static <T extends java.lang.Enum<T>> boolean equals​(java.lang.Enum<T> o1,
                                                           java.lang.Enum<T> o2)
        Determines whether two enum values are equal.
        Parameters:
        o1 -
        o2 -
        Returns:
        whether the two enum values are equal

      • equals

        public static boolean equals​(boolean b1,
                             boolean b2)
        Determines whether two boolean values are equal.
        Parameters:
        b1 -
        b2 -
        Returns:
        whether the two values are equal

      • equals

        public static boolean equals​(int i1,
                             int i2)
        Determines whether two integer values are equal.
        Parameters:
        i1 -
        i2 -
        Returns:
        whether the two values are equal

      • equals

        public static boolean equals​(float f1,
                             float f2)

      • equals

        public static boolean equals​(JRPropertiesMap p1,
                             JRPropertiesMap p2)
        Determines whether two property sets are identical.
        Parameters:
        p1 -
        p2 -
        Returns:
        whether the two property sets are identical