Jagepard / JavaDesignPatterns-Mediator

 * @author  : Jagepard <[email protected]>

 * @license https://mit-license.org/ MIT

 */

package Behavioral.Mediator;

import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.Method;

import java.util.LinkedHashMap;

public class Mediator implements MediatorInterface {

    LinkedHashMap<String, AbstractListener> listeners = new LinkedHashMap<>();

    LinkedHashMap<String, String> events = new LinkedHashMap<>();

    @Override

    public void addListener(AbstractListener listener, String methodToCall) {

        String name = listener.getClass().getName();

        if (listeners.containsKey(name) && events.containsKey(name)) {

            throw new IllegalArgumentException(name + " already exists");

        }

        listeners.put(name, listener);

        events.put(name, methodToCall);

    }

}