org.apache.torque.engine.database.transform
Class XmlToAppData

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      org.apache.torque.engine.database.transform.XmlToAppData

All Implemented Interfaces:

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

public class XmlToAppData

extends org.xml.sax.helpers.DefaultHandler

A Class that is used to parse an input xml schema file and creates an AppData java structure.

Version:

$Id: XmlToAppData.java,v 1.8.2.2 2004/05/20 04:34:17 seade Exp $

Author:

Leon Messerschmidt, Jason van Zyl, Martin Poeschl, Daniel Rall

Constructor Summary

XmlToAppData(java.lang.String databaseType, java.lang.String defaultPackage, java.lang.String basePropsFilePath)
Creates a new instance for the specified database type.

Method Summary

void	endElement(java.lang.String uri, java.lang.String localName, java.lang.String rawName) Handles closing elements of the xml file.
AppData	parseFile(java.lang.String xmlFile) Parses a XML input file and returns a newly created and populated AppData structure.
org.xml.sax.InputSource	resolveEntity(java.lang.String publicId, java.lang.String systemId) EntityResolver implementation.
void	startElement(java.lang.String uri, java.lang.String localName, java.lang.String rawName, org.xml.sax.Attributes attributes) Handles opening elements of the xml file.

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

characters, endDocument, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, 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

XmlToAppData

public XmlToAppData(java.lang.String databaseType,
                    java.lang.String defaultPackage,
                    java.lang.String basePropsFilePath)

Creates a new instance for the specified database type.

Parameters:

databaseType - The type of database for the application.

defaultPackage - the default java package used for the om

basePropsFilePath - The base of the path to the properties file, including trailing slash.

Method Detail

parseFile

public AppData parseFile(java.lang.String xmlFile)
                  throws EngineException

Parses a XML input file and returns a newly created and populated AppData structure.

Parameters:

xmlFile - The input file to parse.

Returns:

AppData populated by xmlFile.

Throws:

EngineException

resolveEntity

public org.xml.sax.InputSource resolveEntity(java.lang.String publicId,
                                             java.lang.String systemId)
                                      throws org.xml.sax.SAXException

EntityResolver implementation. Called by the XML parser

Parameters:

publicId - The public identifier of the external entity

systemId - The system identifier of the external entity

Returns:

an InputSource for the database.dtd file

Throws:

org.xml.sax.SAXException

See Also:

DTDResolver.resolveEntity(String, String)

startElement

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

Handles opening elements of the xml file.

Parameters:

uri -

localName - The local name (without prefix), or the empty string if Namespace processing is not being performed.

rawName - The qualified name (with prefix), or the empty string if qualified names are not available.

attributes - The specified or defaulted attributes

Throws:

org.xml.sax.SAXException

endElement

public void endElement(java.lang.String uri,
                       java.lang.String localName,
                       java.lang.String rawName)

Handles closing elements of the xml file.

Parameters:

uri -

localName - The local name (without prefix), or the empty string if Namespace processing is not being performed.

rawName - The qualified name (with prefix), or the empty string if qualified names are not available.