org.openmrs.util

Class Reflect

java.lang.Object

org.openmrs.util.Reflect

public class Reflect
extends Object

This class has convenience methods to find the fields on a class and superclass as well as methods to check the class type of members in a collection

Constructor Summary

Constructors

Constructor and Description
Reflect(Class parametrizedClass)

Method Summary

Modifier and Type	Method and Description
static List<Field>	getAllFields(Class<?> fieldClass) This method return all the fields (including private) from the given class and its super classes.
List<Field>	getInheritedFields(Class<?> subClass) This method return all the fields (including private) until the given parameterized class
boolean	hasField(Field field)
static boolean	isAnnotationPresent(Class<?> fieldClass, String fieldName, Class<? extends Annotation> annotation) This method returns true if the given annotation is present on the given field.
static boolean	isCollection(Class<?> fieldClass)
static boolean	isCollection(Object object)
boolean	isCollectionField(Field field) This method validate the given field is Collection and the elements should be of parameterized type
boolean	isSuperClass(Class subClass)
boolean	isSuperClass(Object object)
boolean	isSuperClass(Type t)

Methods inherited from class java.lang.Object

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

Constructor Detail

Reflect

public Reflect(Class parametrizedClass)

Parameters:

parametrizedClass - Class Should throw exception when null is passed

Method Detail

isCollection

public static boolean isCollection(Class<?> fieldClass)

Parameters:

fieldClass -

Returns:

true if, given fieldClass is Collection otherwise returns false Should return true if given fieldClass is Collection class Should return false if given fieldClass is not a Collection class

isCollection

public static boolean isCollection(Object object)

Parameters:

object - Object

Returns:

true if, given object is Collection otherwise returns false Should return true if given object is Collection class Should return false if given object is not a Collection

getAllFields

public static List<Field> getAllFields(Class<?> fieldClass)

This method return all the fields (including private) from the given class and its super classes.

Parameters:

fieldClass - Class

Returns:

List<Field> Should return all fields include private and super classes

isAnnotationPresent

public static boolean isAnnotationPresent(Class<?> fieldClass,
                                          String fieldName,
                                          Class<? extends Annotation> annotation)

This method returns true if the given annotation is present on the given field.

Parameters:

fieldClass -

fieldName -

annotation -

Returns:

true if the given annotation is present

isSuperClass

public boolean isSuperClass(Class subClass)

Parameters:

subClass - Class

Returns:

true if, given subClass is accessible from the parameterized class Should return true if given subClass is accessible from given parameterized class Should return false if given subClass is not accessible from given parameterized class

isSuperClass

public boolean isSuperClass(Type t)

Parameters:

t -

Returns:

true if given type is a subclass, or a generic type bounded by a subclass of the parameterized class Should return true for a generic whose bound is a subclass Should return false for a generic whose bound is not a subclass

isSuperClass

public boolean isSuperClass(Object object)

Parameters:

object - Object

Returns:

true if, given object is accessible from the parameterized class Should return true if given object is accessible from given parameterized class Should return false if given object is not accessible from given parameterized class

isCollectionField

public boolean isCollectionField(Field field)

This method validate the given field is Collection and the elements should be of parameterized type

Parameters:

field - Field

Returns:

boolean Should return true if given field is Collection and its element type is given parameterized class type Should return false if given field is not a Collection Should return false if given field is Collection and element type is other than given parameterized class type

getInheritedFields

public List<Field> getInheritedFields(Class<?> subClass)

This method return all the fields (including private) until the given parameterized class

Parameters:

subClass - Class

Returns:

List<Field> Should return only the sub class fields of given parameterized class

hasField

public boolean hasField(Field field)

Parameters:

field -

Returns:

true if, given field is declared in parameterized class or its sub classes