net.sf.morph.reflect
Interface SizableReflector

All Superinterfaces:

net.sf.composite.Component, Reflector

All Known Subinterfaces:

BeanReflector, IndexedContainerReflector, MutableIndexedContainerReflector

All Known Implementing Classes:

ArrayReflector, BaseBeanReflector, BaseServletReflector, CollectionReflector, ContextReflector, DynaBeanReflector, HttpSessionAttributeReflector, ListReflector, MapReflector, ObjectReflector, PageContextAttributeReflector, ResetableIteratorWrapperReflector, ResultSetReflector, ServletContextAttributeReflector, ServletContextInitParameterReflector, ServletRequestAttributeReflector, ServletRequestParameterReflector, ServletRequestReflector, SetReflector, SimpleDelegatingReflector, SortedSetReflector, StringTokenizerReflector, StubbornDelegatingReflector, VelocityContextReflector, VelocityContextReflector

public interface SizableReflector
extends Reflector

A reflector that can tell how many elements are contained in a given object.

Since:

Dec 5, 2004

Author:

Matt Sgarlata

Field Summary

static java.lang.String

IMPLICIT_PROPERTY_SIZE

Method Summary

int	getSize(java.lang.Object object) Returns the number of elements contained in a given object.

Methods inherited from interface net.sf.morph.reflect.Reflector

getReflectableClasses, getWrapper

Field Detail

IMPLICIT_PROPERTY_SIZE

static final java.lang.String IMPLICIT_PROPERTY_SIZE

See Also:

Constant Field Values

Method Detail

getSize

int getSize(java.lang.Object object)
            throws ReflectionException

Returns the number of elements contained in a given object. If the object is a bean, the number of properties is returned. If the object is a container, the number of elements in the container is returned.

Parameters:

object - the object

Returns:

the number of elements contained in the given object

Throws:

ReflectionException - if object is null or the number of elements in the object could not be determined