org.figure8.join.core.persistence
Interface XmlDatabinder

All Known Implementing Classes:

HibernateXmlDatabinder

public interface XmlDatabinder

This is an interface defining export/import methods for entity objects to/from the Xml format. Entities should loaded/saved from another mean before using these methods.

Version:

$Revision: 1.1 $

Author:

Laurent Broudoux

Method Summary

java.util.Collection	loadFromXml(java.io.InputStream is) Load a collection of EntityObjects from a Xml stream
void	writeToXml(java.io.Writer writer, ObjectDao dao) Write a collection of EntityObjects using their Xml form

Method Detail

loadFromXml

java.util.Collection loadFromXml(java.io.InputStream is)
                                 throws InfrastructureException,
                                        java.io.IOException

Load a collection of EntityObjects from a Xml stream

Parameters:

is - An input stream containing Xml exported form of entity objects

Returns:

A collection of EntityObjects

Throws:

InfrastructureException - if entity objects cannot be recreated from stream

java.io.IOException - if stream cannot be correctly read

writeToXml

void writeToXml(java.io.Writer writer,
                ObjectDao dao)
                throws InfrastructureException,
                       java.io.IOException

Write a collection of EntityObjects using their Xml form

Parameters:

writer - The writer to use for outputing entity objects

dao - The data access objects from whom are retrievied entities (using the findAll() method)

Throws:

InfrastructureException - if entity objects cannot be exported corectly

java.io.IOException - if writer cannot be correctly written