org.figure8.join.core.persistence
Class HibernateXmlImportHandler

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      org.figure8.join.core.persistence.HibernateXmlImportHandler

All Implemented Interfaces:

org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

public class HibernateXmlImportHandler
extends org.xml.sax.helpers.DefaultHandler

This utility class is an Xml import handler for Hibernate entity objects. It is adapted from the one written by Ara Abrahamian and available on http://opensource.atlassian.com/projects/hibernate/browse/HB-493.

Version:

$Revision: 1.1 $

Author:

Laurent Broudoux

Constructor Summary

HibernateXmlImportHandler(net.sf.hibernate.SessionFactory factory)
Creates a new instance of HibernateXmlImportHandler

Method Summary

void	characters(char[] iArr, int start, int length) Read content as characteers
void	endElement(java.lang.String uri, java.lang.String localName, java.lang.String qName) End an Xml element handling method
protected java.lang.String	getContents()
java.util.List	getEntityObjects()
protected net.sf.hibernate.persister.ClassPersister	getPersister(java.lang.Class clazz)
java.util.Collection	loadEntityObjects(java.io.InputStream inputstream) Load the entity objects from their Xml representation read on stream
void	startElement(java.lang.String uri, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes attributes) Start an Xml element handling method

Methods inherited from class org.xml.sax.helpers.DefaultHandler

endDocument, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Constructor Detail

HibernateXmlImportHandler

public HibernateXmlImportHandler(net.sf.hibernate.SessionFactory factory)

Creates a new instance of HibernateXmlImportHandler

Parameters:

factory - The SessionFactory to use for getting entities metadata

Method Detail

getEntityObjects

public java.util.List getEntityObjects()

Returns:

The loaded entity objects

loadEntityObjects

public java.util.Collection loadEntityObjects(java.io.InputStream inputstream)
                                       throws net.sf.hibernate.HibernateException

Load the entity objects from their Xml representation read on stream

Parameters:

inputstream - The stream for reading Xml representations

Throws:

net.sf.hibernate.HibernateException - if metadata on entity objects cannot be retrieved

startElement

public void startElement(java.lang.String uri,
                         java.lang.String localName,
                         java.lang.String qName,
                         org.xml.sax.Attributes attributes)
                  throws org.xml.sax.SAXException

Start an Xml element handling method

Specified by:

startElement in interface org.xml.sax.ContentHandler

Overrides:

startElement in class org.xml.sax.helpers.DefaultHandler

Parameters:

uri - The namespace URI of parsed stream

localName - Local name of started element

qName - Qualified name of started element

attributes - Attributes of started element

Throws:

org.xml.sax.SAXException - if something wrong occurs

characters

public void characters(char[] iArr,
                       int start,
                       int length)
                throws org.xml.sax.SAXException

Read content as characteers

Specified by:

characters in interface org.xml.sax.ContentHandler

Overrides:

characters in class org.xml.sax.helpers.DefaultHandler

Parameters:

iArr - The characters array read

start - Start index

length - Charactes length

Throws:

org.xml.sax.SAXException - if somethong wrong occurs

endElement

public void endElement(java.lang.String uri,
                       java.lang.String localName,
                       java.lang.String qName)
                throws org.xml.sax.SAXException

End an Xml element handling method

Specified by:

endElement in interface org.xml.sax.ContentHandler

Overrides:

endElement in class org.xml.sax.helpers.DefaultHandler

Parameters:

uri - The namespace URI of parsed stream

localName - Local name of ended element

qName - Qualified name of ended element

Throws:

org.xml.sax.SAXException - if somethong wrong occurs

getContents

protected java.lang.String getContents()

Returns:

The tag contents as text

getPersister

protected net.sf.hibernate.persister.ClassPersister getPersister(java.lang.Class clazz)
                                                          throws net.sf.hibernate.MappingException

Returns:

The ClassPersister correponsding to this class of entity

Throws:

net.sf.hibernate.MappingException