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

java.lang.Object
  org.apache.torque.engine.database.transform.DTDResolver

All Implemented Interfaces:

EntityResolver

Direct Known Subclasses:

ImpexDTDResolver

public class DTDResolver
extends Object
implements EntityResolver

A resolver to get the database.dtd file for the XML parser from the jar.

Version:

$Id: DTDResolver.java,v 1.1 2007-10-21 07:57:26 abyrne Exp $

Author:

Martin Poeschl, Kurt Schrader, Quinton McCombs

Field Summary

static String	WEB_SITE_DTD Where the DTD is located on the web.
static String	WEB_SITE_DTD_3_2 Where the 3.2 DTD is located on the web.

Constructor Summary

DTDResolver()
constructor

Method Summary

InputSource

resolveEntity(String publicId, String systemId) An implementation of the SAX EntityResolver interface to be called by the XML parser.

Methods inherited from class java.lang.Object

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

Field Detail

WEB_SITE_DTD

public static final String WEB_SITE_DTD

Where the DTD is located on the web.

See Also:

Constant Field Values

WEB_SITE_DTD_3_2

public static final String WEB_SITE_DTD_3_2

Where the 3.2 DTD is located on the web.

See Also:

Constant Field Values

Constructor Detail

DTDResolver

public DTDResolver()
            throws SAXException

constructor

Throws:

SAXException

Method Detail

resolveEntity

public InputSource resolveEntity(String publicId,
                                 String systemId)
                          throws IOException,
                                 SAXException

An implementation of the SAX EntityResolver interface to be called by the XML parser. If the dtd is the current Torque DTD, the DTD is read from the generator jar. In all other cases, null is returned to indicate that the parser should open a regular connection to the systemId URI.

Specified by:

resolveEntity in interface EntityResolver

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 in the generator jar, or null.

Throws:

IOException

SAXException