org.topbraid.base.util
Interface ParameterProvider

All Known Implementing Classes:

SimpleParameterProvider

public interface ParameterProvider

A platform independent wrapper of HttpServletRequest, factoring out the getParameter method.

Author:

Holger Knublauch

Method Summary

String	getParameter(String key) Gets the value of a given parameter.
Iterator<String>	listParameterNames() Gets an Iterator over all known parameter names.

Method Detail

getParameter

String getParameter(String key)

Gets the value of a given parameter. The value "" is a real value, and does not indicate 'not defined'. i.e. if the parameter is missing, this must return null.

Parameters:

key - the parameter

Returns:

the value Is null if the parameter is not defined.

listParameterNames

Iterator<String> listParameterNames()

Gets an Iterator over all known parameter names.

Returns:

the names