Tanguy

import java.util.List;

public class Automaton {

    private List<States> state;
    private List<Character> alphabet;
    private States initialState;
    private List<States> finalStates;

    public Automaton(){
        alphabet.add(':');
        alphabet.add(';');
        alphabet.add('-');
        alphabet.add('=');
        alphabet.add('(');
        alphabet.add(')');
    }

    public String addState(States newState){
        if(state.contains(newState)){
            return "State already added";
        }else{
            state.add(newState);
            return "State successfully added";
        }
    }

    public void addTransition(States st, Character act, States nextState){
        st.addTransition(act,nextState);
    }

    public void setInitialState(States iState){
        initialState = iState;
    }

    public States getInitialState(){
        return initialState;
    }

    public void addFinalState(States fStates){
        finalStates.add(fStates);
    }

    public boolean accept(String param){
        Character carCourant;
        States etatC = initialState;
        States etatTmp;
        int i = 0;
        while(!(finalStates.contains(etatC) && i < param.length())){
            carCourant = param.charAt(i);
            if(alphabet.contains(carCourant)){
                etatTmp = etatC.getTransition(carCourant);
                if(etatTmp == null){
                    return false;
                }
                etatC = etatTmp;
            }
            i++;
        }
        return true;
    }

}