How to use

getDtausCurrencies

method

in

org.jdtaus.banking.CurrencyDirectory

/** Tests the {@link CurrencyDirectory#getDtausCurrencies(Date)} method to return sane values. */
public void testGetDtausCurrencies() throws Exception
{
  assert this.getCurrencyDirectory() != null;
  Assert.assertTrue( this.getCurrencyDirectory().getDtausCurrencies( new Date() ).length >= 0 );
}

private void updateCurrencies()
{
  final Currency[] currencies = getCurrencyDirectory().
    getDtausCurrencies(this.date != null ? this.date : new Date());
  Arrays.sort(currencies, new Comparator()
  {
    public int compare(final Object o1, final Object o2)
    {
      assert o1 instanceof Currency;
      assert o2 instanceof Currency;
      return ((Currency) o1).getCurrencyCode().
        compareTo(((Currency) o2).getCurrencyCode());
    }
  });
  final Object prevSelection = currencyComboBox.getSelectedItem();
  currencyComboBox.removeAllItems();
  for(int i = 0; i < currencies.length; i++)
  {
    currencyComboBox.addItem(currencies[i]);
  }
  currencyComboBox.setSelectedItem(prevSelection);
}

private void updateCurrencies()
{
  final Currency[] currencies = getCurrencyDirectory().
    getDtausCurrencies(this.getDate());
  Arrays.sort(currencies, new Comparator()
  {
    public int compare(final Object o1, final Object o2)
    {
      assert o1 instanceof Currency;
      assert o2 instanceof Currency;
      return ((Currency) o1).getCurrencyCode().
        compareTo(((Currency) o2).getCurrencyCode());
    }
  });
  final Object prevSelection = currencyComboBox.getSelectedItem();
  currencyComboBox.removeAllItems();
  for(int i = 0; i < currencies.length; i++)
  {
    currencyComboBox.addItem(currencies[i]);
  }
  currencyComboBox.setSelectedItem(prevSelection);
}

/**
 * Test the {@link CurrencyDirectory#getDtausCurrencies(Date)} method to handle illegal arguments correctly by
 * throwing a {@code NullPointerException}.
 */
public void testGetDtausCurrenciesNull()
{
  assert this.getCurrencyDirectory() != null;
  try
  {
    this.getCurrencyDirectory().getDtausCurrencies( null );
    throw new AssertionError();
  }
  catch ( NullPointerException e )
  {
    Assert.assertNotNull( e.getMessage() );
    System.out.println( e.toString() );
  }
}

/**
 * Tests the {@link CurrencyDirectory#getDtausCurrencies(Date)} method to return correct values for the EUR and DEM
 * currency for various dates.
 */
public void testCurrencyConstraints() throws Exception
{
  assert this.getCurrencyDirectory() != null;
  final Calendar cal = Calendar.getInstance();
  final Date now = cal.getTime();
  cal.set( Calendar.YEAR, 2001 );
  cal.set( Calendar.MONTH, 11 );
  cal.set( Calendar.DAY_OF_MONTH, 31 );
  final Date lastDayDEM = cal.getTime();
  cal.set( Calendar.YEAR, 2002 );
  cal.set( Calendar.MONTH, 0 );
  cal.set( Calendar.DAY_OF_MONTH, 1 );
  final Date firstDayEUR = cal.getTime();
  this.assertContainsCurrency( this.getCurrencyDirectory().getDtausCurrencies( now ), "EUR" );
  this.assertNotContainsCurrency( this.getCurrencyDirectory().getDtausCurrencies( now ), "DEM" );
  this.assertNotContainsCurrency( this.getCurrencyDirectory().getDtausCurrencies( lastDayDEM ), "EUR" );
  this.assertContainsCurrency( this.getCurrencyDirectory().getDtausCurrencies( lastDayDEM ), "DEM" );
  this.assertContainsCurrency( this.getCurrencyDirectory().getDtausCurrencies( firstDayEUR ), "EUR" );
  this.assertNotContainsCurrency( this.getCurrencyDirectory().getDtausCurrencies( firstDayEUR ), "DEM" );
}