- From: Philippe Le Hegaret <plh@w3.org>
- Date: 16 Jul 2003 18:02:02 -0400
- To: Christophe Cornu <Christophe_Cornu@ca.ibm.com>
- Cc: WWW DOM <www-dom@w3.org>
On Wed, 2003-07-16 at 15:46, Christophe Cornu wrote: > The w3c dom provides a java binding. Does the DOM specification > require to suppport model 1 or model 2 below? > > org.w3c.dom.Node node; > org.w3c.dom.html2.HTMLAnchorElement anchor; > ... > anchor = (HTMLAnchorElement)node.getFirstChild(); /* model 1 */ > or > anchor = CustomClass.queryInterface(node.getFirstChild(), > "HTMLAnchorElement"); /* model 2 */ > > Model 1 is more familiar in a java world. However, Model 2 can be more > natural when the java binding is implemented over a C++ native dom > library. Thanks for any pointer on this. Model 1 is required by the DOM specification, up to DOM Level 3. DOM Level 3 introduces the getFeature method and the "+" mechanism for features (see section 1.3.6 of DOM Level 3 Core). In other words, your CustomClass approach needs to be hidden inside the implementation of getFeature. Philippe
Received on Wednesday, 16 July 2003 18:02:11 UTC