r01f.reflection.fluent
Class PropertyInvoker<T>

java.lang.Object
  r01f.reflection.fluent.PropertyInvoker<T>

Type Parameters:

T - the declared type for the property to access. Usage example:

   // Retrieves the value of the property "name"
   String name = Reflection.property("name").ofType(String.class).in(person).get();
 
   // Sets the value of the property "name" to "Yoda"
   Reflection.property("name").ofType(String.class).in(person).set("Yoda");
 
   // Retrieves the value of the static property "count"
   int count = Reflection.staticField("count").ofType(int.class).in(Person.class).get();
 
   // Sets the value of the static property "count" to 3
   Reflection.property("count").ofType(int.class).in(Person.class).set(3);
 

public final class PropertyInvoker<T>
extends java.lang.Object

Reflection to access a property from a JavaBean.

Field Summary

private java.beans.PropertyDescriptor	_propertyDescriptor
private java.lang.String	_propertyName
private java.lang.Object	_targetObj

Constructor Summary

private

PropertyInvoker(java.lang.String propertyName, java.lang.Object target, java.beans.PropertyDescriptor descriptor)

Method Summary

private static <T> PropertyInvoker<T>	_createInvoker(java.lang.String name, java.lang.Class<?> expectedType, java.lang.Object target)
private static java.beans.PropertyDescriptor	_descriptorForProperty(java.lang.String propertyName, java.lang.Object target)
private static ReflectionException	_incorrectPropertyType(java.lang.String name, java.lang.Object target, java.lang.Class<?> actual, java.lang.Class<?> expected)
private static void	_verifyCorrectType(java.lang.String propertyName, java.lang.Object target, java.lang.Class<?> expectedType, java.beans.PropertyDescriptor descriptor)
T	get() Returns the value of the property managed by this class.
java.beans.PropertyDescriptor	info() Returns the "real" property managed by this class.
(package private) static <T> PropertyInvoker<T>	newInvoker(java.lang.String propertyName, java.lang.Class<T> expectedType, java.lang.Object target)
(package private) static <T> PropertyInvoker<T>	newInvoker(java.lang.String propertyName, TypeRef<T> expectedType, java.lang.Object target)
void	set(T value) Sets a value in the property managed by this class.

Methods inherited from class java.lang.Object

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

Field Detail

_propertyName

private final java.lang.String _propertyName

_targetObj

private final java.lang.Object _targetObj

_propertyDescriptor

private final java.beans.PropertyDescriptor _propertyDescriptor

Constructor Detail

PropertyInvoker

private PropertyInvoker(java.lang.String propertyName,
                        java.lang.Object target,
                        java.beans.PropertyDescriptor descriptor)

Method Detail

newInvoker

static <T> PropertyInvoker<T> newInvoker(java.lang.String propertyName,
                                         TypeRef<T> expectedType,
                                         java.lang.Object target)

newInvoker

static <T> PropertyInvoker<T> newInvoker(java.lang.String propertyName,
                                         java.lang.Class<T> expectedType,
                                         java.lang.Object target)

set

public void set(T value)

Sets a value in the property managed by this class.

Parameters:

value - the value to set.

Throws:

ReflectionError - if the given value cannot be set.

get

public T get()

Returns the value of the property managed by this class.

Returns:

the value of the property managed by this class.

Throws:

ReflectionError - if the value of the property cannot be retrieved.

info

public java.beans.PropertyDescriptor info()

Returns the "real" property managed by this class.

Returns:

the "real" property managed by this class.

_createInvoker

private static <T> PropertyInvoker<T> _createInvoker(java.lang.String name,
                                                     java.lang.Class<?> expectedType,
                                                     java.lang.Object target)

_verifyCorrectType

private static void _verifyCorrectType(java.lang.String propertyName,
                                       java.lang.Object target,
                                       java.lang.Class<?> expectedType,
                                       java.beans.PropertyDescriptor descriptor)

_descriptorForProperty

private static java.beans.PropertyDescriptor _descriptorForProperty(java.lang.String propertyName,
                                                                    java.lang.Object target)

_incorrectPropertyType

private static ReflectionException _incorrectPropertyType(java.lang.String name,
                                                          java.lang.Object target,
                                                          java.lang.Class<?> actual,
                                                          java.lang.Class<?> expected)