Package io.micronaut.core.util

Class ObjectUtils

java.lang.Object

io.micronaut.core.util.ObjectUtils

@Internal
public final class ObjectUtils
extends Object

Utility methods for working with objects

.

Since:

4.0

Author:

Denis Stepanov

Method Summary

Modifier and Type	Method	Description
static boolean	coerceToBoolean(@Nullable Object object)	Coerce the given object to boolean.
static int	hash(@Nullable Object o1, @Nullable Object o2)	Hashing method.
static int	hash(@Nullable Object o1, @Nullable Object o2, @Nullable Object o3)	Hashing method.

Methods inherited from class java.lang.Object

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

Method Details

hash

public static int hash(@Nullable
 @Nullable Object o1,
 @Nullable
 @Nullable Object o2)

Hashing method. Alternative to Objects.hash(Object...) without allocating an array.

Parameters:

o1 - The object 1

o2 - The object 2

Returns:

The hash

Since:

4.0.0

hash

public static int hash(@Nullable
 @Nullable Object o1,
 @Nullable
 @Nullable Object o2,
 @Nullable
 @Nullable Object o3)

Hashing method. Alternative to Objects#hash(Object...) without allocating an array.

Parameters:

o1 - The object 1

o2 - The object 2

o3 - The object 3

Returns:

The hash

Since:

4.0.0

coerceToBoolean

public static boolean coerceToBoolean(@Nullable
 @Nullable Object object)

Coerce the given object to boolean. The following cases are handled:

1. null results in false
2. empty strings result in false
3. positive numbers are true
4. empty collections, arrays, optionals and maps are false

Parameters:

object - The object

Returns:

The boolean

Since:

4.0.0