org.topbraid.base.util
Class SimpleParameterProvider

java.lang.Object
  org.topbraid.base.util.SimpleParameterProvider

All Implemented Interfaces:

ParameterProvider

public class SimpleParameterProvider
extends Object
implements ParameterProvider

A simple implementation of the ParameterProvider interface, based on a HashMap.

Author:

Holger Knublauch

Constructor Summary

SimpleParameterProvider()

SimpleParameterProvider(Map<String,String> map)

Method Summary

void	add(String key, String value) Adds a new entry to the internal Map.
String	getParameter(String key) Gets the value of a given parameter.
Iterator<String>	listParameterNames() Gets an Iterator over all known parameter names.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SimpleParameterProvider

public SimpleParameterProvider()

SimpleParameterProvider

public SimpleParameterProvider(Map<String,String> map)

Method Detail

add

public void add(String key,
                String value)

Adds a new entry to the internal Map. This is typically used in conjunction with the constructor without arguments.

Parameters:

key - the parameter key

value - the value

getParameter

public String getParameter(String key)

Description copied from interface: ParameterProvider

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.

Specified by:

getParameter in interface ParameterProvider

Parameters:

key - the parameter

Returns:

the value Is null if the parameter is not defined.

listParameterNames

public Iterator<String> listParameterNames()

Description copied from interface: ParameterProvider

Gets an Iterator over all known parameter names.

Specified by:

listParameterNames in interface ParameterProvider

Returns:

the names