com.thebuzzmedia.exiftool.commons.lang

Class Objects

java.lang.Object

com.thebuzzmedia.exiftool.commons.lang.Objects

public final class Objects
extends Object

Static Objects Utilities.

Method Summary

Modifier and Type	Method and Description
static boolean	equals(Object o1, Object o2) Check that two values are equals: If both are the same instances (or null, return true. If one is null, return false. Finally, if both are non null, return the result of {code o1.equals(o2)}.
static <T> T	firstNonNull(T val1, T val2, T... others) Returns the first of two given parameters that is not null.
static int	hashCode(Object... values) Compute hashCode value from all parameters.

Methods inherited from class java.lang.Object

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

Method Detail

firstNonNull

public static <T> T firstNonNull(T val1,
                                 T val2,
                                 T... others)

Returns the first of two given parameters that is not null.

Type Parameters:

T - Type of parameters.

Parameters:

val1 - First value.

val2 - Second value.

others - Other value.

Returns:

First parameter if it is not null, second parameter otherwise.

hashCode

public static int hashCode(Object... values)

Compute hashCode value from all parameters.

Parameters:

values - Parameters.

Returns:

Hash Code value.

equals

public static boolean equals(Object o1,
                             Object o2)

Check that two values are equals:

• If both are the same instances (or null, return true.
• If one is null, return false.
• Finally, if both are non null, return the result of {code o1.equals(o2)}.

Parameters:

o1 - First parameter to check.

o2 - Second parameter to check.

Returns:

Result of equality.