Package software.xdev.spring.data.eclipse.store.repository.access

Class AccessHelper

java.lang.Object

software.xdev.spring.data.eclipse.store.repository.access.AccessHelper

public final class AccessHelper
extends Object

Helps finding and handling Fields.

Method Summary

Modifier and Type	Method	Description
static void	checkAllFieldsForReadRestrictions(Class<?> clazz)
static Field	getInheritedPrivateField(Class<?> clazz, String fieldName)
static Map<String,Field>	getInheritedPrivateFieldsByName(Class<?> clazz)
static <T> Object	readFieldVariable(Field field, T sourceObject)	Makes the given field of the given object readable/accessible and returns its value.

Methods inherited from class java.lang.Object

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

Method Details

getInheritedPrivateFieldsByName

public static Map<String,Field> getInheritedPrivateFieldsByName(Class<?> clazz)

Parameters:

clazz - where to look for fields.

Returns:

all the fields defined in the given class and all its parent classes.

getInheritedPrivateField

public static Field getInheritedPrivateField(Class<?> clazz,
 String fieldName)
                                      throws NoSuchFieldException

Parameters:

clazz - where the field is searched in.

fieldName - of the field that is searched in the class.

Returns:

Not only the field with a specific name in the given class but also finds the field if it is inherited from some parent class.

Throws:

NoSuchFieldException - if the field is not existing. It does not return null because this should not happen during production.

readFieldVariable

public static <T> Object readFieldVariable(Field field,
 T sourceObject)

Makes the given field of the given object readable/accessible and returns its value. After reading the value the field is made unreadable/inaccessible again (if it was unreadable before).

checkAllFieldsForReadRestrictions

public static void checkAllFieldsForReadRestrictions(Class<?> clazz)