```
public class JstlFunctionSupport
extends Object
```
Verschillende handige functies voor gebruik in JSTL. Zie jstl-functions.tld.

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`contains(Set set, Object object)`
`static boolean`	`containsKey(Map map, Object object)`
`static boolean`	`isUserInRole(javax.servlet.http.HttpServletRequest request, String role)`

public static boolean isUserInRole(javax.servlet.http.HttpServletRequest request,
                                   String role)

public static boolean contains(Set set,
                               Object object)

public static boolean containsKey(Map map,
                                  Object object)

Class JstlFunctionSupport