package fr.lifl.stc.stan.dsl;

import java.util.ArrayList;
import org.apache.bcel.generic.Type;
import org.apache.bcel.generic.ObjectType;


public class PolicyManager
{
    private ArrayList<ShareWith> shareWith = new ArrayList<ShareWith>();
    private ArrayList<Type> strictSecret = new ArrayList<Type>();
    private ArrayList<Secret> secret = new ArrayList<Secret>();

    void addShareWith(ShareWith p)
    {
        shareWith.add(p);
    }

    void addStrictSecret(String s)
    {
        strictSecret.add(new ObjectType(s));
    }

    void addSecret(Secret p)
    {
        secret.add(p);
    }

    ArrayList<String> getSecretFieldsFor(Type clazz)
    {
        for(Secret s: secret)
            if ( s.getSources().contains(clazz) )
                return s.getSecretFields();

        return new ArrayList<String>();
    }
    boolean strictSecretHas(Type t)
    {
        return strictSecret.contains(t);
    }

    boolean shareWithHas(Type src, Type dst)
    {
        for(ShareWith sw : shareWith)
        {
            if ( sw.getSources().contains(src)
                 && sw.getTargets().contains(dst) )
                return true;
        }
            
        return false;
    }
    
    public String toString()
    {
        return "Share With = " + shareWith + "\n"
            + "Strict Secret = " + strictSecret + "\n"
            + "Secret = " + secret
            ;
    }
}