net.sf.composite.composites
Class CompositeDecorator

java.lang.Object
  net.sf.composite.composites.BaseComposite
      net.sf.composite.composites.CompositeDecorator

All Implemented Interfaces:

Composite, ListableComposite, SimpleComposite, SpecializableComposite, StrictlyTypedComposite, ValidatableComposite

public class CompositeDecorator
extends BaseComposite
implements SpecializableComposite

Wraps a SimpleComposite so that it implements the ListableComposite and SpecializableComposite interfaces.

Since:

Dec 27, 2004

Author:

Matt Sgarlata

Constructor Summary

CompositeDecorator()
Creates a new composite decorator.

CompositeDecorator(SimpleComposite composite)
Creates a new composite that decorates the given composite.

Method Summary

java.lang.Object[]	getComponents() Retrieves the components of the underlying composite.
SimpleComposite	getComposite()
boolean	isSpecializable(java.lang.Class type) Indicates whether this composite can expose the given interface by dynamically creating a new composite.
void	setComponents(java.lang.Object[] components) Sets the components of the underlying compmosite
void	setComposite(SimpleComposite composite)
java.lang.Object	specialize(java.lang.Class type) Uses the components in this composite to dynamically create a composite that implements type.

Methods inherited from class net.sf.composite.composites.BaseComposite

containsComponentOfType, getComponentsOfType, getComponentType, getComponentValidator, getSpecializer, initializeImpl, setComponent, setComponentValidator, setSpecializer, validate

Methods inherited from class java.lang.Object

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

Constructor Detail

CompositeDecorator

public CompositeDecorator()

Creates a new composite decorator. To complete initialization of the decorator, the setComposite(SimpleComposite)method must be called

CompositeDecorator

public CompositeDecorator(SimpleComposite composite)

Creates a new composite that decorates the given composite.

Parameters:

composite - the composite to be decorated.

Method Detail

isSpecializable

public boolean isSpecializable(java.lang.Class type)
                        throws SpecializationException

Description copied from interface: SpecializableComposite

Indicates whether this composite can expose the given interface by dynamically creating a new composite.

Specified by:

isSpecializable in interface SpecializableComposite

Overrides:

isSpecializable in class BaseComposite

Parameters:

type - the interface to be exposed

Returns:

whether this composite can expose the given interface by dynamically creating a new composite

Throws:

SpecializationException - if an error occurrs

specialize

public java.lang.Object specialize(java.lang.Class type)
                            throws SpecializationException

Description copied from interface: SpecializableComposite

Uses the components in this composite to dynamically create a composite that implements type.

Specified by:

specialize in interface SpecializableComposite

Overrides:

specialize in class BaseComposite

Parameters:

type - the interface to be exposed

Returns:

the new composite that implements the requested interface

Throws:

SpecializationException - if an error occurs while creating the new, specialized, composite that implements the requested interface

getComposite

public SimpleComposite getComposite()

setComposite

public void setComposite(SimpleComposite composite)

getComponents

public java.lang.Object[] getComponents()

Retrieves the components of the underlying composite.

Specified by:

getComponents in interface SimpleComposite

Overrides:

getComponents in class BaseComposite

Returns:

the components of the underlying composite

setComponents

public void setComponents(java.lang.Object[] components)

Sets the components of the underlying compmosite

Specified by:

setComponents in interface SimpleComposite

Overrides:

setComponents in class BaseComposite

Parameters:

components - the new components that will make up the underlying composite