Package org.anchoranalysis.bean

Class FieldAccessor

Object

FieldAccessor

public class FieldAccessor
extends Object

Utilities to access a Field of an AnchorBean.

Author:

Owen Feehan

Method Summary

Modifier and Type	Method	Description
static Optional<Object>	fieldFromBean(AnchorBean<?> bean, Field field)	Retrieves the value of a Field from a AnchorBean.
static boolean	isFieldAnnotatedAsOptional(Field field)	Is a particular Field on a AnchorBean marked as optional?

Methods inherited from class java.lang.Object

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

Method Details

fieldFromBean

public static Optional<Object> fieldFromBean(AnchorBean<?> bean,
 Field field)
                                      throws IllegalAccessException,
BeanMisconfiguredException

Retrieves the value of a Field from a AnchorBean.

Parameters:

bean - the bean

field - the field to retrieve a value from

Returns:

the value, it it exists, or Optional.empty() if it doesn't exist and the bean is marked as optional.

Throws:

IllegalAccessException - if reflection tries to access a property it has no permissions for.

BeanMisconfiguredException - if no value exists for the field (and it's not marked as optional).

isFieldAnnotatedAsOptional

public static boolean isFieldAnnotatedAsOptional(Field field)

Is a particular Field on a AnchorBean marked as optional?

Parameters:

field - the field

Returns:

true iff it is marked as optional.