[HARMONY-6552] Implement ServiceRegistry.deregisterAll()

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 5.0M15
• Labels: imageio
• Patch Info: Patch Available
• Assignee: Alexei Fedotov
• Reporter: Lang Yang
• Created: 15/Jun/10 02:56
• Updated: 06/Jul/10 04:24
• Resolved: 15/Jun/10 07:51

Description

Implementation for deregisterAll(Class category):
1. Find the ProvidersMap instance for that category.
2. Find all the providers that have been registered in this ProvidersMap, and perform RegisterableService.onDeregistration() method for each of them, and remove them

Implementation for deregisterAll()
1. Find all the categories
2. reuse deregisterAll(Class category) method for each of them.

Spec - http://java.sun.com/j2se/1.4.2/docs/api/javax/imageio/spi/ServiceRegistry.html#deregisterAll()