net.sf.japaki.beans
Class ReflectionProperty<B,V>

java.lang.Object
  net.sf.japaki.beans.ReflectionProperty<B,V>

All Implemented Interfaces:

Property<B,V>

public class ReflectionProperty<B,V>
extends Object
implements Property<B,V>

Property based on methods.

Constructor Summary

ReflectionProperty(Method getter, Method setter, String name)
Constructs a new reflection property.

Method Summary

Class<V>	getType() Returns the parameter type of this property.
V	getValue(B bean) Retrieves the value of this property from the specified bean.
static <B,V> ReflectionProperty<B,V>	newInstance(Class<B> beanType, String name) Creates a reflection property from a class and a property name.
void	setValue(B bean, V value) Stores the value in the property specified by this object in the specified bean.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ReflectionProperty

public ReflectionProperty(Method getter,
                          Method setter,
                          String name)

Constructs a new reflection property.

Parameters:

getter - method that retrieves the value from the bean

setter - method that stores the value in the bean

name - name of the property. It is used for the string representation in toString().

Method Detail

newInstance

public static <B,V> ReflectionProperty<B,V> newInstance(Class<B> beanType,
                                                        String name)

Creates a reflection property from a class and a property name. The method names are expected as "get" + Name and "set" + Name, respectively.

Parameters:

beanType - the class of the property's bean

name - property name

Returns:

the created property

getValue

public V getValue(B bean)

Description copied from interface: Property

Retrieves the value of this property from the specified bean.

Specified by:

getValue in interface Property<B,V>

Parameters:

bean - the bean from which to read the value

Returns:

the found value

Throws:

IllegalArgumentException - if the class of the bean does not match with the underlying getter method.

RuntimeException - if an IllegalAccessException or an InvocationTargetException occurs.

setValue

public void setValue(B bean,
                     V value)

Description copied from interface: Property

Stores the value in the property specified by this object in the specified bean.

Specified by:

setValue in interface Property<B,V>

Parameters:

bean - the bean in which to store the value

value - the new value of the property

Throws:

IllegalArgumentException - depending on the bean

UnsupportedOperationException - if setter is not defined.

NullPointerException - if bean is null and the setter method is an instance method.

RuntimeException - if an IllegalAccessException or an InvocationTargetException occurs.

getType

public Class<V> getType()

Returns the parameter type of this property.

Specified by:

getType in interface Property<B,V>

Returns:

the parameter type of this property.

toString

public String toString()

Overrides:

toString in class Object