import java.io.*;
import java.util.*;

import edu.uci.ics.jung.graph.*;

import net.deterlab.abac.Credential;
import net.deterlab.abac.GENICredential;
import net.deterlab.abac.Context;
import net.deterlab.abac.Role;
import net.deterlab.abac.Identity;

import java.security.KeyPair;


/**
 * Simple test of the native Java implementation of ABAC. Loads credentials
 * from an rt0 file and runs a query against them.
 */
public class Writer {
    public static void main(String[] args) throws IOException {
        if (args.length < 4) {
            System.out.println("Usage: Writer cert head tail output");
            System.out.println("   Reads the files and prints the credentials");
            System.exit(1);
        }

	try {
	    Identity i = new Identity(new File(args[0]));
	    Credential c = new GENICredential(new Role(args[1]), 
		    new Role(args[2]));

	    System.out.println(c);
	    c.make_cert(i);
	    c.write(args[3]);
	}
	catch (Exception e) {
	    e.printStackTrace();
	}
    }
}