Priceprint.java

package frontend;

import java.util.Hashtable;
import java.util.Enumeration;
import java.util.Collections;
import java.util.Vector;

public class Priceprint {
    String message = new String("");
    boolean msgflag = false;

    public Priceprint(Hashtable<String, Double> b, Hashtable<String, Double> d, String m) {
        message = new String(m);
        out(b, d);
    }

    public Priceprint(Hashtable<String, Double> b, Hashtable<String, Double> d) {
        out(b, d);
    }

    public Priceprint(String l, Double d, Double b) {
        msgflag = true;
        out(l, d, b);
    }

    public Priceprint(String l, Double d, Double b, String m) {
        message = new String(m);
    }

    public void out(Hashtable<String, Double> b, Hashtable<String, Double> d) {
        Vector<String> v;
        Enumeration<String> k;
        String te1, te2, e;
        int ex, sp;

        v = new Vector<String>(d.keySet());
        Collections.sort(v);

        te1 = new String(v.get(0));
        ex = v.indexOf("exchange");
        v.set(ex, te1); v.set(0, "exchange");

        te2 = new String(v.get(1));
        ex = v.indexOf("special");
        v.set(ex, te2); v.set(1, "special");

        if (msgflag == true)
            System.out.println("Listing Bitcoin and dollar prices.");
        else {
            System.out.println("Listing Bitcoin and dollar prices, " + message + ".");
            msgflag = true;
        }

        k = v.elements();
        while (k.hasMoreElements()) {
            e = new String(k.nextElement());
            out(e, d.get(e), b.get(e));
        }
    }

    private void out(String l, Double d, Double b) {
        String tab; //This holds either one or two tabs, depending on size of label.

        if (l.equals("exchange")) {
            if (msgflag == true)
                System.out.println("Exchange rate is $" + d + " (USDBTC).");
            else
                System.out.println("Exchange rate is $" + d + " (USDBTC), " +
                    message + ".");

        }
        else if (l.equals("special")) {
            if (msgflag == true)
                System.out.println("Special is " + (d * 100) + "%.");
            else
                System.out.println("Special is " + (d * 100) + "%, " + message + ".");
        }
        else {
            if (l.length() > 6) tab = new String("\t");
            else tab = new String("\t\t");
            if (message.equals("length"))
                System.out.println(l + ":" + tab + "$" + d + "\t" + b + "BTC.");
            else
                System.out.println(l + ":" + tab + "$" + d + "\t" + b + "BTC, " +
                    message + ".");
        }
    }
}