converter.ConverterBean.java Source code

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Here is the source code for converter.ConverterBean.java

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/*
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package converter;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ejb.Remote;
import javax.ejb.Stateful;
import net.webservicex.Currency;
import net.webservicex.CurrencyConvertor;
import net.webservicex.CurrencyConvertorSoap;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.Namespace;
import org.jdom2.input.SAXBuilder;

// Boite mail pour envoyer :
// jeetests@gmail.com
// gogogogo
/**
 *
 * @author doelia
 */
@Stateful // Pour garder en mmoire l'instance
@Remote(Converter.class)
public class ConverterBean implements Converter {

    //private SAXBuilder sxb;
    //private Document document;
    private Element racine;
    private Element racineMore;
    // private Namespace ns;

    private boolean isInit = false;

    // TODO ne pas init  chaque fois
    private void init() throws MalformedURLException, JDOMException, IOException {
        if (isInit) {
            return;
        }
        this.isInit = true;

        SAXBuilder sxb = new SAXBuilder();

        {
            URL url = new URL("http://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml");
            Document document = sxb.build(url);
            racine = document.getRootElement();
            Namespace ns = Namespace.getNamespace("http://www.ecb.int/vocabulary/2002-08-01/eurofxref");
            racine = racine.getChild("Cube", ns);
            racine = racine.getChild("Cube", ns);
        }

        {
            URL url = new URL("http://www.currency-iso.org/dam/downloads/lists/list_one.xml");
            Document document = sxb.build(url);
            racineMore = document.getRootElement();
            racineMore = racineMore.getChild("CcyTbl");
        }
    }

    private String getFullNameMonay(String currencyCode) {
        try {
            this.init();
            for (Element e : racineMore.getChildren()) {
                String ccy = e.getChildText("Ccy");
                if (ccy != null && ccy.equals(currencyCode)) {
                    return e.getChildText("CtryNm");
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

        return "Undefined";
    }

    @Override
    public double euroToOtherCurrency(double amount, String currencyCode) {
        System.out.println("amount = " + amount);
        System.out.println("cur = " + currencyCode);
        try {
            URL url = new URL("http://currencies.apps.grandtrunk.net/getlatest/" + "EUR" + "/" + currencyCode);
            BufferedReader in2 = new BufferedReader(new InputStreamReader(url.openStream()));
            String rateStr = in2.readLine();
            Double rate = Double.parseDouble(rateStr);
            System.out.println("rate = " + rate);
            return rate * amount;
        } catch (MalformedURLException ex) {
            Logger.getLogger(ConverterBean.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(ConverterBean.class.getName()).log(Level.SEVERE, null, ex);
        }

        return -1;
    }

    @Override
    public Map<Monnaie, Double> euroToOtherCurrencies(double amount) {
        Map<Monnaie, Double> map = new HashMap<>();

        try {
            this.init();

            for (Element e : racine.getChildren()) {
                String currency = e.getAttribute("currency").getValue();
                Double rate = Double.parseDouble(e.getAttribute("rate").getValue());

                Monnaie m = new Monnaie();
                m.codeMonnaie = currency;
                m.tauxDeChange = rate;
                m.pays = getFullNameMonay(currency);
                m.nomMonnaie = currency;

                Double calculated = m.tauxDeChange * rate;

                map.put(m, calculated);
            }

        } catch (JDOMException | IOException e) {
            e.printStackTrace();
        }
        return map;

    }

}