Stock class cats_

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;

public class Stock {
    private String xml;
    private String ticker;

    public Stock(String ticker) throws IOException {
        this.ticker = ticker;
        URL url = new URL("http://www.google.com/ig/api?stock=" + ticker);
        BufferedReader in = new BufferedReader(new InputStreamReader(
                url.openStream()));
        this.xml = in.readLine();
        return;
    }

    public String toString() {
        return this.ticker + " (" + this.getCompany() + ") Last: "
                + this.getPrice() + " (" + this.getTradeTimestamp()
                + ") Change: " + this.getChange() + " ("
                + this.getPercentChange() + "%)\n";
    }

    public static String getDataType(String xml, String DATA_TYPE) {
        // DATA_TYPE options
        // {pretty_symbol,company,exchange,last,high,low,volume,avg_volume,market_cap,open,...
        // y_close,change,perc_change,trade_timestamp,symbol_url,chart_url,isld_last,isld_trade_date_utc,isld_trade_time_utc}

        int r = xml.indexOf("<" + DATA_TYPE);
        int x = xml.indexOf('"', r);
        int y = xml.indexOf('"', x + 1);
        return xml.substring(x + 1, y);
    }

    public String getCompany() {
        return getDataType(this.xml, "company");
    }

    public double getPrice() {
        return Double.parseDouble(getDataType(this.xml, "last"));
    }

    public String getTradeTimestamp() {
        return getDataType(this.xml, "trade_timestamp");
    }

    public String getChange() {
        return getDataType(this.xml, "change");
    }

    public double getPercentChange() {
        return Double.parseDouble(getDataType(this.xml, "perc_change"));
    }
}