diva.util.xml

Class AbstractXmlBuilder

java.lang.Object

diva.util.xml.AbstractXmlBuilder

All Implemented Interfaces:

XmlBuilder

Direct Known Subclasses:

BasicStrokeBuilder, ClassBuilder, CompositeBuilder, DashedPathData, PanRecognizer.PanData, SceneBuilder, SceneClassBuilder, SimpleData, StrokeSceneBuilder, TextAnnotations, TextData, VotingSceneBuilder, VotingStrokeBuilder, ZoomRecognizer.ZoomData

public abstract class AbstractXmlBuilder
extends Object
implements XmlBuilder

An abstract implementation of the XmlBuilder interface that gets and sets a delegate, leaves the build method abstract, and doesn't support the generate method.

Version:

$Revision: 1.2 $

Author:

Michael Shilman (michaels@eecs.berkeley.edu)

Constructor Summary

Constructors

Constructor and Description
AbstractXmlBuilder()

Method Summary

Modifier and Type	Method and Description
abstract Object	build(XmlElement elt, String type) Given an XmlElement, create and return an internal representtion of it.
XmlElement	generate(Object in) Unable to generate XML by default.
XmlBuilder	getDelegate() Return the delegate set by getDelegate().
void	setDelegate(XmlBuilder delegate) Delegate builders can be used to build/generate for objects that are unknown by the current builder, as might be the case in a hierarchy of heterogeneous objects.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractXmlBuilder

public AbstractXmlBuilder()

Method Detail

build

public abstract Object build(XmlElement elt,
                             String type)
                      throws Exception

Given an XmlElement, create and return an internal representtion of it. Implementors should also provide a more type-specific version of this method:

   public Graph build (XmlELement elt, String type);
 

Specified by:

build in interface XmlBuilder

Throws:

Exception

setDelegate

public void setDelegate(XmlBuilder delegate)

Delegate builders can be used to build/generate for objects that are unknown by the current builder, as might be the case in a hierarchy of heterogeneous objects.

Specified by:

setDelegate in interface XmlBuilder

See Also:

CompositeBuilder

getDelegate

public XmlBuilder getDelegate()

Return the delegate set by getDelegate().

generate

public XmlElement generate(Object in)
                    throws Exception

Unable to generate XML by default.

Specified by:

generate in interface XmlBuilder

Throws:

UnsupportedOperationException - Unable to generate XML by default

Exception