[WICKET-5445] Make CaptchaImageResource easier to extend and reuse

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 6.12.0
• Fix Version/s: 6.13.0, 7.0.0-M1
• Component/s: wicket-extensions
• Assignee: Martin Tzvetanov Grigorov
• Reporter: Martin Tzvetanov Grigorov
• Created: 16/Dec/13 12:25
• Updated: 16/Dec/13 12:28
• Resolved: 16/Dec/13 12:27

Description

Wicket-Extensions' CaptchaImageResource generates its image byte array in the private #render() method. By making this method protected it will be easy to use third-party/custom code to generate the image and re-use the invalidation logic.