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waluty_22sierpnia
Commit bab2414b by Patryk Czarnik
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Przelicznik walut - wersja XML

parent ec8781c5
Showing with 715 additions and 0 deletions
src/main/java/waluty/wersja_xml/ObslugaNBP.java 0 → 100644
package waluty.wersja_xml;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigDecimal;
import java.net.URL;
import java.time.LocalDate;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
public class ObslugaNBP {
private static final String ADRES = "http://api.nbp.pl/api/exchangerates/tables";
/** Pobiera tabelę z bieżącymi kursami walut.
* Zwraca null w przypadku błędów.
*/
public static Tabela pobierzBiezaceKursy() {
Document doc = wczytajXmlZAdresu(ADRES + "/A?format=xml");
return tabelaZXml(doc);
}
/** Pobiera tabelę z archiwalnymi kursami walut z określonej daty.
* Zwraca null w przypadku błędów, np. wtedy, gdy dla danej daty nie istnieje tabela.
*/
public static Tabela pobierzKursyHistoryczne(String data) {
Document doc = wczytajXmlZAdresu(ADRES + "/A/" + data + "?format=xml");
return tabelaZXml(doc);
}
private static Document wczytajXmlZAdresu(String adres) {
// Document Object Model
try {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
URL url = new URL(adres);
try (InputStream in = url.openStream()) {
return db.parse(in);
}
} catch (ParserConfigurationException | SAXException | IOException e) {
e.printStackTrace();
return null;
}
}
private static Tabela tabelaZXml(Document doc) {
if (doc == null)
return null;
try {
XPathFactory xpf = XPathFactory.newInstance();
XPath xpath = xpf.newXPath();
// String numer = xpath.evaluate(
// "/ArrayOfExchangeRatesTable/ExchangeRatesTable/No", doc);
String nazwaTabeli = xpath.evaluate("//Table", doc);
String numerTabeli = xpath.evaluate("//No", doc);
LocalDate data = LocalDate.parse(xpath.evaluate("//EffectiveDate", doc));
Tabela tabela = new Tabela(nazwaTabeli, numerTabeli, data);
NodeList rates = (NodeList) xpath.evaluate("//Rate", doc, XPathConstants.NODESET);
final int n = rates.getLength();
for (int i = 0; i < n; i++) {
Node rate = rates.item(i);
String kod = xpath.evaluate("Code", rate);
String nazwa = xpath.evaluate("Currency", rate);
String kurs = xpath.evaluate("Mid", rate);
BigDecimal kursBD = new BigDecimal(kurs);
Waluta waluta = new Waluta(kod, nazwa, kursBD);
tabela.dodaj(waluta);
}
return tabela;
} catch (XPathExpressionException e) {
e.printStackTrace();
return null;
}
}
}
\ No newline at end of file
src/main/java/waluty/wersja_xml/PrzelicznikWalutKonsola.java 0 → 100644
package waluty.wersja_xml;
import java.math.BigDecimal;
import java.util.Scanner;
public class PrzelicznikWalutKonsola {
public static void main(String[] args) {
System.out.println("Pobieram aktualne kursy...");
Tabela tabela = ObslugaNBP.pobierzBiezaceKursy();
System.out.println(tabela);
Scanner sc = new Scanner(System.in);
while(true) {
System.out.println("\nPodaj kod waluty");
String kod = sc.nextLine().trim().toUpperCase();
if(kod == null || kod.isEmpty())
break;
Waluta waluta = tabela.znajdz(kod);
if(waluta == null) {
System.out.println("Nie ma takiej waluty.");
continue;
}
System.out.println("Wybrana waluta: " + waluta.getNazwa());
System.out.println("Podaj kwotę");
if(!sc.hasNextBigDecimal()) {
System.out.println("Nieprawidłowa kwota.");
continue;
}
BigDecimal kwota = sc.nextBigDecimal();
sc.nextLine();
System.out.println(kwota + " " + kod + " = "
+ waluta.przeliczNaZlote(kwota) + " PLN");
System.out.println(kwota + " PLN " + " = "
+ waluta.przeliczNaWalute(kwota) + " " + kod);
}
}
}
src/main/java/waluty/wersja_xml/PrzelicznikWalutOkno.java 0 → 100644
package waluty.wersja_xml;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.math.BigDecimal;
import java.time.LocalDate;
import javax.swing.ButtonGroup;
import javax.swing.DefaultComboBoxModel;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;
import javax.swing.LayoutStyle.ComponentPlacement;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.SwingWorker;
public class PrzelicznikWalutOkno {
private static final Font FONT_LABEL = new Font("Times New Roman", Font.PLAIN, 24);
private static final Font FONT_WARTOSC = new Font("Dialog", Font.BOLD, 24);
private static final Font FONT_TXT = new Font("Dialog", Font.BOLD, 32);
private static final Font FONT_WYNIK = new Font("Dialog", Font.BOLD, 32);
private static final Font FONT_BUTTON = new Font("Dialog", Font.BOLD, 28);
private Tabela tabela = null;
private JFrame frmPrzelicznikWalut;
private JTextField txtKwota;
private JComboBox<String> comboBox_Waluta;
private JLabel lbl_KodWaluty;
private JLabel lbl_NazwaWaluty;
private JLabel lbl_KursWaluty;
private JRadioButton rdbtnWalutaNaZlote;
private JRadioButton rdbtnZloteNaWalute;
private JButton btnPrzelicz;
private JLabel lblPrawdziwyWynik;
private final ButtonGroup buttonGroup = new ButtonGroup();
private JPanel panel_1;
private JLabel lblTabela;
private JLabel lbl_NumerTabeli;
private JLabel lblData;
private JLabel lbl_DataTabeli;
private JTextField txtData;
private JButton btnPobierzAktualne;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
PrzelicznikWalutOkno window = new PrzelicznikWalutOkno();
window.txtData.setText(LocalDate.now().toString());
window.frmPrzelicznikWalut.setVisible(true);
window.pobierzAktualneKursy();
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the application.
*/
public PrzelicznikWalutOkno() {
initialize();
}
/**
* Initialize the contents of the frame.
*/
private void initialize() {
frmPrzelicznikWalut = new JFrame();
frmPrzelicznikWalut.setTitle("Przelicznik Walut");
frmPrzelicznikWalut.setBounds(100, 100, 480, 701);
frmPrzelicznikWalut.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JLabel lblWybierzWalut = new JLabel("Wybierz walutę");
lblWybierzWalut.setFont(FONT_LABEL);
comboBox_Waluta = new JComboBox<>();
comboBox_Waluta.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
wyswietlDaneWaluty();
}
});
comboBox_Waluta.setModel(
new DefaultComboBoxModel<>(new String[] {"--"}));
comboBox_Waluta.setFont(FONT_WARTOSC);
JPanel panel = new JPanel();
txtKwota = new JTextField();
txtKwota.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
przelicz();
}
});
txtKwota.setText("100");
txtKwota.setColumns(10);
txtKwota.setFont(FONT_TXT);
JLabel lblPodajKwot = new JLabel("Podaj kwotę");
lblPodajKwot.setFont(FONT_LABEL);
rdbtnWalutaNaZlote = new JRadioButton("waluta na złote");
rdbtnWalutaNaZlote.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
przelicz();
}
});
rdbtnWalutaNaZlote.setFont(FONT_LABEL);
buttonGroup.add(rdbtnWalutaNaZlote);
rdbtnZloteNaWalute = new JRadioButton("złote na walute");
rdbtnZloteNaWalute.setFont(FONT_LABEL);
rdbtnZloteNaWalute.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
przelicz();
}
});
buttonGroup.add(rdbtnZloteNaWalute);
btnPrzelicz = new JButton("Przelicz");
btnPrzelicz.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
przelicz();
}
});
btnPrzelicz.setFont(FONT_BUTTON);
JLabel lblWynik = new JLabel("Wynik");
lblWynik.setFont(FONT_LABEL);
lblPrawdziwyWynik = new JLabel("0.00");
lblPrawdziwyWynik.setFont(FONT_WYNIK);
lblPrawdziwyWynik.setForeground(Color.GRAY);
panel_1 = new JPanel();
JLabel lblPodajDat = new JLabel("Podaj datę");
lblPodajDat.setFont(FONT_LABEL);
txtData = new JTextField();
txtData.setHorizontalAlignment(SwingConstants.CENTER);
txtData.setFont(new Font("Dialog", Font.PLAIN, 20));
txtData.setText("data");
txtData.setColumns(10);
JButton btnZmieDat = new JButton("Zmień datę");
btnZmieDat.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
pobierzKursyDlaDaty();
}
});
btnZmieDat.setFont(new Font("Dialog", Font.BOLD, 18));
btnPobierzAktualne = new JButton("Pobierz aktualne");
btnPobierzAktualne.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
pobierzAktualneKursy();
}
});
btnPobierzAktualne.setFont(new Font("Dialog", Font.BOLD, 18));
GroupLayout groupLayout = new GroupLayout(frmPrzelicznikWalut.getContentPane());
groupLayout.setHorizontalGroup(
groupLayout.createParallelGroup(Alignment.LEADING)
.addGroup(groupLayout.createSequentialGroup()
.addContainerGap()
.addGroup(groupLayout.createParallelGroup(Alignment.TRAILING)
.addComponent(panel_1, Alignment.LEADING, GroupLayout.DEFAULT_SIZE, 448, Short.MAX_VALUE)
.addComponent(btnPrzelicz, Alignment.LEADING, GroupLayout.DEFAULT_SIZE, 448, Short.MAX_VALUE)
.addGroup(Alignment.LEADING, groupLayout.createSequentialGroup()
.addComponent(rdbtnWalutaNaZlote)
.addPreferredGap(ComponentPlacement.RELATED, 108, Short.MAX_VALUE)
.addComponent(rdbtnZloteNaWalute))
.addGroup(Alignment.LEADING, groupLayout.createSequentialGroup()
.addComponent(lblPodajKwot)
.addPreferredGap(ComponentPlacement.RELATED, 139, Short.MAX_VALUE)
.addComponent(txtKwota, GroupLayout.PREFERRED_SIZE, 189, GroupLayout.PREFERRED_SIZE))
.addComponent(panel, Alignment.LEADING, GroupLayout.DEFAULT_SIZE, 448, Short.MAX_VALUE)
.addComponent(lblWynik, Alignment.LEADING)
.addComponent(lblPrawdziwyWynik, Alignment.LEADING)
.addGroup(Alignment.LEADING, groupLayout.createSequentialGroup()
.addGroup(groupLayout.createParallelGroup(Alignment.TRAILING, false)
.addComponent(lblPodajDat, Alignment.LEADING, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(lblWybierzWalut, Alignment.LEADING, GroupLayout.DEFAULT_SIZE, 223, Short.MAX_VALUE))
.addPreferredGap(ComponentPlacement.UNRELATED)
.addGroup(groupLayout.createParallelGroup(Alignment.LEADING)
.addComponent(txtData, GroupLayout.DEFAULT_SIZE, 207, Short.MAX_VALUE)
.addComponent(comboBox_Waluta, 0, 207, Short.MAX_VALUE)))
.addGroup(groupLayout.createSequentialGroup()
.addComponent(btnPobierzAktualne, GroupLayout.PREFERRED_SIZE, 207, GroupLayout.PREFERRED_SIZE)
.addGap(34)
.addComponent(btnZmieDat, GroupLayout.DEFAULT_SIZE, 207, Short.MAX_VALUE)))
.addContainerGap())
);
groupLayout.setVerticalGroup(
groupLayout.createParallelGroup(Alignment.TRAILING)
.addGroup(groupLayout.createSequentialGroup()
.addContainerGap()
.addComponent(panel_1, GroupLayout.PREFERRED_SIZE, 103, GroupLayout.PREFERRED_SIZE)
.addPreferredGap(ComponentPlacement.UNRELATED)
.addGroup(groupLayout.createParallelGroup(Alignment.LEADING, false)
.addComponent(txtData, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
.addComponent(lblPodajDat, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addPreferredGap(ComponentPlacement.RELATED)
.addGroup(groupLayout.createParallelGroup(Alignment.LEADING)
.addComponent(btnZmieDat)
.addComponent(btnPobierzAktualne, GroupLayout.PREFERRED_SIZE, 32, GroupLayout.PREFERRED_SIZE))
.addPreferredGap(ComponentPlacement.RELATED, 17, Short.MAX_VALUE)
.addGroup(groupLayout.createParallelGroup(Alignment.BASELINE)
.addComponent(comboBox_Waluta, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
.addComponent(lblWybierzWalut))
.addPreferredGap(ComponentPlacement.UNRELATED)
.addComponent(panel, GroupLayout.PREFERRED_SIZE, 142, GroupLayout.PREFERRED_SIZE)
.addPreferredGap(ComponentPlacement.UNRELATED)
.addGroup(groupLayout.createParallelGroup(Alignment.BASELINE)
.addComponent(txtKwota, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
.addComponent(lblPodajKwot))
.addPreferredGap(ComponentPlacement.UNRELATED)
.addGroup(groupLayout.createParallelGroup(Alignment.BASELINE)
.addComponent(rdbtnWalutaNaZlote)
.addComponent(rdbtnZloteNaWalute))
.addPreferredGap(ComponentPlacement.RELATED)
.addComponent(btnPrzelicz)
.addPreferredGap(ComponentPlacement.UNRELATED)
.addComponent(lblWynik)
.addPreferredGap(ComponentPlacement.UNRELATED)
.addComponent(lblPrawdziwyWynik)
.addGap(33))
);
lblTabela = new JLabel("Tabela");
lblTabela.setFont(FONT_LABEL);
lbl_NumerTabeli = new JLabel("?");
lbl_NumerTabeli.setFont(new Font("Dialog", Font.BOLD, 24));
lblData = new JLabel("Data:");
lblData.setFont(FONT_LABEL);
lbl_DataTabeli = new JLabel("?");
lbl_DataTabeli.setFont(new Font("Dialog", Font.BOLD, 24));
GroupLayout gl_panel_1 = new GroupLayout(panel_1);
gl_panel_1.setHorizontalGroup(
gl_panel_1.createParallelGroup(Alignment.LEADING)
.addGroup(gl_panel_1.createSequentialGroup()
.addContainerGap()
.addGroup(gl_panel_1.createParallelGroup(Alignment.LEADING)
.addGroup(gl_panel_1.createSequentialGroup()
.addComponent(lblTabela, GroupLayout.PREFERRED_SIZE, 95, GroupLayout.PREFERRED_SIZE)
.addGap(18)
.addComponent(lbl_NumerTabeli, GroupLayout.PREFERRED_SIZE, 311, GroupLayout.PREFERRED_SIZE))
.addGroup(gl_panel_1.createSequentialGroup()
.addComponent(lblData, GroupLayout.PREFERRED_SIZE, 95, GroupLayout.PREFERRED_SIZE)
.addGap(18)
.addComponent(lbl_DataTabeli, GroupLayout.PREFERRED_SIZE, 311, GroupLayout.PREFERRED_SIZE)))
.addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
gl_panel_1.setVerticalGroup(
gl_panel_1.createParallelGroup(Alignment.LEADING)
.addGroup(gl_panel_1.createSequentialGroup()
.addContainerGap()
.addGroup(gl_panel_1.createParallelGroup(Alignment.LEADING)
.addComponent(lblTabela, GroupLayout.PREFERRED_SIZE, 29, GroupLayout.PREFERRED_SIZE)
.addComponent(lbl_NumerTabeli, GroupLayout.PREFERRED_SIZE, 29, GroupLayout.PREFERRED_SIZE))
.addGap(12)
.addGroup(gl_panel_1.createParallelGroup(Alignment.LEADING)
.addComponent(lblData, GroupLayout.PREFERRED_SIZE, 29, GroupLayout.PREFERRED_SIZE)
.addComponent(lbl_DataTabeli, GroupLayout.PREFERRED_SIZE, 29, GroupLayout.PREFERRED_SIZE))
.addContainerGap(21, Short.MAX_VALUE))
);
panel_1.setLayout(gl_panel_1);
JLabel lblKod = new JLabel("Kod:");
lblKod.setFont(FONT_LABEL);
JLabel lblNazwa = new JLabel("Nazwa:");
lblNazwa.setFont(FONT_LABEL);
JLabel lblKurs = new JLabel("Kurs:");
lblKurs.setFont(FONT_LABEL);
lbl_KodWaluty = new JLabel("kod");
lbl_KodWaluty.setFont(FONT_WARTOSC);
lbl_NazwaWaluty = new JLabel("nazwa");
lbl_NazwaWaluty.setFont(FONT_WARTOSC);
lbl_KursWaluty = new JLabel("1.0000");
lbl_KursWaluty.setFont(FONT_WARTOSC);
GroupLayout gl_panel = new GroupLayout(panel);
gl_panel.setHorizontalGroup(
gl_panel.createParallelGroup(Alignment.LEADING)
.addGroup(gl_panel.createSequentialGroup()
.addContainerGap()
.addGroup(gl_panel.createParallelGroup(Alignment.LEADING, false)
.addComponent(lblKurs, Alignment.TRAILING, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(lblNazwa, Alignment.TRAILING, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(lblKod, Alignment.TRAILING, GroupLayout.DEFAULT_SIZE, 95, Short.MAX_VALUE))
.addPreferredGap(ComponentPlacement.RELATED, 18, GroupLayout.PREFERRED_SIZE)
.addGroup(gl_panel.createParallelGroup(Alignment.LEADING)
.addComponent(lbl_KodWaluty, Alignment.TRAILING, GroupLayout.DEFAULT_SIZE, 171, Short.MAX_VALUE)
.addComponent(lbl_NazwaWaluty, Alignment.TRAILING, GroupLayout.DEFAULT_SIZE, 171, Short.MAX_VALUE)
.addComponent(lbl_KursWaluty, Alignment.TRAILING, GroupLayout.DEFAULT_SIZE, 171, Short.MAX_VALUE))
.addContainerGap())
);
gl_panel.setVerticalGroup(
gl_panel.createParallelGroup(Alignment.LEADING)
.addGroup(gl_panel.createSequentialGroup()
.addContainerGap()
.addGroup(gl_panel.createParallelGroup(Alignment.BASELINE)
.addComponent(lblKod)
.addComponent(lbl_KodWaluty))
.addPreferredGap(ComponentPlacement.UNRELATED)
.addGroup(gl_panel.createParallelGroup(Alignment.BASELINE)
.addComponent(lblNazwa)
.addComponent(lbl_NazwaWaluty))
.addPreferredGap(ComponentPlacement.UNRELATED)
.addGroup(gl_panel.createParallelGroup(Alignment.BASELINE)
.addComponent(lblKurs)
.addComponent(lbl_KursWaluty))
.addContainerGap(61, Short.MAX_VALUE))
);
panel.setLayout(gl_panel);
frmPrzelicznikWalut.getContentPane().setLayout(groupLayout);
}
protected void przelicz() {
try {
BigDecimal kwota = new BigDecimal(txtKwota.getText());
String kod = "" + comboBox_Waluta.getSelectedItem();
Waluta waluta = tabela.znajdz(kod);
BigDecimal wynik = null;
if(rdbtnWalutaNaZlote.isSelected()) {
wynik = waluta.przeliczNaZlote(kwota);
}
if(rdbtnZloteNaWalute.isSelected()) {
wynik = waluta.przeliczNaWalute(kwota);
}
lblPrawdziwyWynik.setText("" + wynik);
lblPrawdziwyWynik.setForeground(Color.BLUE);
} catch (Exception e) {
lblPrawdziwyWynik.setText("błąd");
lblPrawdziwyWynik.setForeground(Color.RED);
}
}
protected void wyswietlDaneWaluty() {
String kod = "" + comboBox_Waluta.getSelectedItem();
Waluta waluta = tabela.znajdz(kod);
if(waluta != null) {
lbl_KodWaluty.setText(waluta.getKod());
lbl_NazwaWaluty.setText(waluta.getNazwa());
lbl_KursWaluty.setText("" + waluta.getKurs());
if(! txtKwota.getText().isEmpty()) {
przelicz();
}
return;
}
lblPrawdziwyWynik.setText("0.00");
lblPrawdziwyWynik.setForeground(Color.GRAY);
}
private void pobierzAktualneKursy() {
// Pobieranie aktualnych kursów w tle (to znaczy w innym wątku)
// Aby wykonać operację w tle, w Swingu najlepiej użyć klasy SwingWorker
SwingWorker<Void, Void> worker = new SwingWorker<Void, Void>() {
protected Void doInBackground() {
tabela = ObslugaNBP.pobierzBiezaceKursy();
return null;
}
protected void done() {
// tu piszemy "co ma zrobić okno, gdy operacja jest zakończona"
// to będzie wykonane przez wątek EDT
odswiezDaneTabeli();
wyswietlDaneWaluty();
}
};
worker.execute();
}
private void pobierzKursyDlaDaty() {
SwingWorker<Void, Void> worker = new SwingWorker<Void, Void>() {
protected Void doInBackground() throws Exception {
String data = txtData.getText();
Tabela nowaTabela = ObslugaNBP.pobierzKursyHistoryczne(data);
if(nowaTabela != null) {
tabela = nowaTabela;
SwingUtilities.invokeLater(() -> {
txtData.setForeground(Color.BLACK);
});
} else {
SwingUtilities.invokeLater(() -> {
txtData.setForeground(Color.RED);
});
}
return null;
}
protected void done() {
odswiezDaneTabeli();
wyswietlDaneWaluty();
}
};
worker.execute();
}
private void odswiezDaneTabeli() {
lbl_NumerTabeli.setText(tabela.getNumerTabeli());
lbl_DataTabeli.setText("" + tabela.getData());
comboBox_Waluta.setModel(new DefaultComboBoxModel<>(tabela.getKodyWalut()));
}
}
\ No newline at end of file
src/main/java/waluty/wersja_xml/Tabela.java 0 → 100644
package waluty.wersja_xml;
import java.time.LocalDate;
import java.util.Collection;
import java.util.Map;
import java.util.TreeMap;
public class Tabela {
private final String nazwaTabeli;
private final String numerTabeli;
private final LocalDate data;
private final Map<String, Waluta> waluty = new TreeMap<>();
public Tabela() {
nazwaTabeli = null;
numerTabeli = null;
data = null;
}
public Tabela(String nazwaTabeli, String numerTabeli, LocalDate data) {
this.nazwaTabeli = nazwaTabeli;
this.numerTabeli = numerTabeli;
this.data = data;
}
public String getNazwaTabeli() {
return nazwaTabeli;
}
public String getNumerTabeli() {
return numerTabeli;
}
public LocalDate getData() {
return data;
}
@Override
public String toString() {
return "Tabela " + nazwaTabeli + " nr " + numerTabeli
+ " z dnia " + data + " (" + waluty.size() + " walut)";
}
public void dodaj(Waluta waluta) {
waluty.put(waluta.getKod(), waluta);
}
public Waluta znajdz(String kod) {
return waluty.get(kod);
}
public Collection<Waluta> getWszystkieWaluty() {
return waluty.values();
}
private static final String[] PUSTA_TABLICA = new String[0];
public String[] getKodyWalut() {
return waluty.keySet().toArray(PUSTA_TABLICA);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((data == null) ? 0 : data.hashCode());
result = prime * result + ((nazwaTabeli == null) ? 0 : nazwaTabeli.hashCode());
result = prime * result + ((numerTabeli == null) ? 0 : numerTabeli.hashCode());
result = prime * result + ((waluty == null) ? 0 : waluty.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if(this == obj)
return true;
if(obj == null)
return false;
if(getClass() != obj.getClass())
return false;
Tabela other = (Tabela) obj;
if(data == null) {
if(other.data != null)
return false;
} else if(!data.equals(other.data))
return false;
if(nazwaTabeli == null) {
if(other.nazwaTabeli != null)
return false;
} else if(!nazwaTabeli.equals(other.nazwaTabeli))
return false;
if(numerTabeli == null) {
if(other.numerTabeli != null)
return false;
} else if(!numerTabeli.equals(other.numerTabeli))
return false;
if(waluty == null) {
if(other.waluty != null)
return false;
} else if(!waluty.equals(other.waluty))
return false;
return true;
}
}
src/main/java/waluty/wersja_xml/WypiszKursyHistoryczne.java 0 → 100644
package waluty.wersja_xml;
import java.util.Scanner;
public class WypiszKursyHistoryczne {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.print("Podaj datę: ");
String data = sc.nextLine();
System.out.println("Pobieram...");
Tabela tabela = ObslugaNBP.pobierzKursyHistoryczne(data);
System.out.println("Pobrana tabela: " + tabela);
for (Waluta waluta : tabela.getWszystkieWaluty()) {
System.out.println(waluta);
}
}
}
src/main/java/waluty/wersja_xml/WypiszWszystkieWaluty.java 0 → 100644
package waluty.wersja_xml;
import java.util.Collection;
public class WypiszWszystkieWaluty {
public static void main(String[] args) {
Tabela tabela = ObslugaNBP.pobierzBiezaceKursy();
System.out.println("Pobrana tabela: " + tabela);
Collection<Waluta> waluty = tabela.getWszystkieWaluty();
for (Waluta waluta : waluty) {
System.out.println(waluta);
}
}
}
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