net.sf.jasperreports.engine.util
Class ObjectUtils

java.lang.Object
  net.sf.jasperreports.engine.util.ObjectUtils

public class ObjectUtils
extends java.lang.Object

Object comparison and hashing utilities.

Version:

$Id: ObjectUtils.java 4808 2011-11-21 13:44:22Z lucianc $

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Nested Class Summary

static class

ObjectUtils.HashCode Hash code creator for objects.

Constructor Summary

ObjectUtils()

Method Summary

static boolean	equals(boolean b1, boolean b2) Determines whether two boolean 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(int i1, int i2) Determines whether two integer values are equal.
static boolean	equals(JRPropertiesMap p1, JRPropertiesMap p2) Determines whether two property sets are identical.
static boolean	equals(java.lang.Object o1, java.lang.Object o2) Determines whether two objects are equal, including null values.
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 boolean	identical(java.util.List<?> l1, java.util.List<?> l2) Determines whether two lists of objects are identical.
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.

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

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(JRPropertiesMap p1,
                             JRPropertiesMap p2)

Determines whether two property sets are identical.

Parameters:

p1 -

p2 -

Returns:

whether the two property sets are identical