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

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

import net.deterlab.abac.CredentialFactory;
import net.deterlab.abac.Credential;
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 Reader {
    public static void main(String[] args) throws IOException {
        if (args.length < 1) {
            System.out.println("Usage: Reader <files>");
            System.out.println("   Reads the files and prints the credentials");
            System.exit(1);
        }

	Context ctxt = new Context();
	Map<String, Exception> errs = new HashMap<String, Exception>();

	try {
	    CredentialFactory.registerClass("net.deterlab.abac.X509Credential");
	    CredentialFactory.registerClass("net.deterlab.abac.GENICredential");
	}
	catch (Exception e) {
	    System.exit(20);
	}

	for (int i= 0; i < args.length; i++) {
	    File f = new File(args[i]);

	    try {
		if (f.isDirectory()) 
		    ctxt.load_directory(f, errs);
		else if (f.getPath().endsWith(".pem")) 
		    ctxt.load_id_file(f);
		else if (f.getPath().endsWith(".der"))
		    ctxt.load_attribute_file(f);
		else if (f.getPath().endsWith(".xml"))
		    ctxt.load_attribute_file(f);
		else if (f.getPath().endsWith(".zip"))
		    ctxt.load_zip(f, errs);
		else if (f.getPath().endsWith(".rt0"))
		    ctxt.load_rt0(f);
		else
		    System.out.println(f + " of unknown type");
	    }
	    catch (Exception e) {
		System.err.println("Failed to process " + f + ": " +e);
	    }
	}

	for (String f: errs.keySet()) System.err.println(f + " " + errs.get(f));

        //
        // run the query
        //

	System.out.println("Creds");
        for (Credential c : ctxt.credentials()) {
            System.out.println(c.simpleString(ctxt));
            System.out.println(c);
	}

    }
}