[TAPESTRY-929] OGNL Null Handler

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.2, 4.0.1, 4.0
• Fix Version/s: 4.1
• Component/s: Framework
• Assignee: Andreas Andreou
• Reporter: Angelo Galvão
• Created: 26/Apr/06 20:22
• Updated: 05/Jun/06 22:18
• Resolved: 05/Jun/06 22:18

Description

When navigate with OGNL in a object graph can result in a null pointer exception, do a improvement a la Webwork that if the object is null create a new one. Probably implementing the NullHandler interface (http://www.opensymphony.com/ognl/html/DeveloperGuide/nullHandler.html).

According to http://jakarta.apache.org/tapestry/tapestry/hivedocs/module/tapestry.ognl.html
tapestry only support custom property accessors