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).

FieldProxy

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

FieldProxy

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

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()