Class FieldInfo (1.42.3)

public class FieldInfo

Parses field information to determine data key name/value pair associated with the field.

Implementation is thread-safe.

Inheritance

Object > FieldInfo

Inherited Members

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Static Methods

getFieldValue(Field field, Object obj)

public static Object getFieldValue(Field field, Object obj)

Returns the value of the given field in the given object using reflection.

Parameters

Name	Description
`field`	`Field`
`obj`	`Object`

Returns

Type	Description
`Object`

of(Enum<?> enumValue)

public static FieldInfo of(Enum<?> enumValue)

Returns the field information for the given enum value.

Parameter

Name	Description
`enumValue`	`Enum<?>` enum value

Returns

Type	Description
`FieldInfo`	field information

of(Field field)

public static FieldInfo of(Field field)

Returns the field information for the given field.

Parameter

Name	Description
`field`	`Field` field or `null` for `null` result

Returns

Type	Description
`FieldInfo`	field information or `null` if the field has no #name or for `null` input

setFieldValue(Field field, Object obj, Object value)

public static void setFieldValue(Field field, Object obj, Object value)

Sets the given field in the given object to the given value using reflection.

If the field is final, it checks that the value being set is identical to the existing value.

Parameters

Name	Description
`field`	`Field`
`obj`	`Object`
`value`	`Object`

Methods

<T>enumValue()

public T <T>enumValue()

Returns

Type	Description
`T`

getClassInfo()

public ClassInfo getClassInfo()

Returns the class information of the field's declaring class.

Returns

Type	Description
`ClassInfo`

getField()

public Field getField()

Returns the field.

Returns

Type	Description
`Field`

getGenericType()

public Type getGenericType()

Returns the field's generic type, which is a class, parameterized type, generic array type, or type variable, but not a wildcard type.

Returns

Type	Description
`Type`

getName()

public String getName()

Returns the data key name associated with the field for a non-enum-constant with a Key annotation, or data key value associated with the enum constant with a Value annotation or null for an enum constant with a NullValue annotation.

This string is interned.

Returns

Type	Description
`String`

getType()

public Class<?> getType()

Returns the field's type.

Returns

Type	Description
`Class<?>`

getValue(Object obj)

public Object getValue(Object obj)

Returns the value of the field in the given object instance using reflection.

Parameter

Name	Description
`obj`	`Object`

Returns

Type	Description
`Object`

isFinal()

public boolean isFinal()

Returns whether the field is final.

Returns

Type	Description
`boolean`

isPrimitive()

public boolean isPrimitive()

Returns whether the field is primitive as defined by Data#isPrimitive(Type).

Returns

Type	Description
`boolean`

setValue(Object obj, Object value)

public void setValue(Object obj, Object value)

Sets this field in the given object to the given value using reflection.

If the field is final, it checks that the value being set is identical to the existing value.

Parameters

Name	Description
`obj`	`Object`
`value`	`Object`