org.pfsw.reflect

Class FieldProxy<T>

java.lang.Object

org.pfsw.reflect.FieldProxy<T>

All Implemented Interfaces:

IValueHolder<T>

Direct Known Subclasses:

NumericFieldProxy

public class FieldProxy<T>
extends java.lang.Object
implements IValueHolder<T>

A proxy for a specific field in a target object that allows getting and setting to that field via reflection, regardless of the field's visibility (except if a SecurityManager is active).

Constructor Summary

Constructors

Constructor and Description
FieldProxy(java.lang.Object owner, java.lang.reflect.Field field)
FieldProxy(java.lang.Object owner, java.lang.String fieldName)

Method Summary

Modifier and Type	Method and Description
T	get() Returns the current value (might be null).
protected java.lang.reflect.Field	getField()
protected java.lang.Object	getOwner()
boolean	isNull() Returns whether or not the underlying value is null.
boolean	isPresent() Returns whether or not the underlying value is not null.
void	set(T value) Sets the current value.

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldProxy

public FieldProxy(java.lang.Object owner,
                  java.lang.reflect.Field field)

FieldProxy

public FieldProxy(java.lang.Object owner,
                  java.lang.String fieldName)

Method Detail

get

public T get()

Returns the current value (might be null).

Specified by:

get in interface IValueHolder<T>

set

public void set(T value)

Sets the current value.

Specified by:

set in interface IValueHolder<T>

Parameters:

value - The new value (might be null).

isNull

public boolean isNull()

Returns whether or not the underlying value is null.

Specified by:

isNull in interface IValueHolder<T>

isPresent

public boolean isPresent()

Returns whether or not the underlying value is not null.

Specified by:

isPresent in interface IValueHolder<T>

getOwner

protected java.lang.Object getOwner()

getField

protected java.lang.reflect.Field getField()