Example usage for java.math RoundingMode HALF_UP

List of usage examples for java.math RoundingMode HALF_UP

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Introduction

In this page you can find the example usage for java.math RoundingMode HALF_UP.

Prototype

RoundingMode HALF_UP

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Document

Rounding mode to round towards "nearest neighbor" unless both neighbors are equidistant, in which case round up.

Usage

From source file:net.sourceforge.subsonic.backend.controller.MultiController.java

private Money getAmountForPeriod(CurrencyUnit currency, Date from, Date to) {
    List<Money> payments = new ArrayList<Money>();
    payments.addAll(paymentDao.getMoneyForPeriod(from, to));
    payments.addAll(subscriptionDao.getMoneyForPeriod(from, to));

    Map<CurrencyUnit, BigDecimal> currencyConversions = paymentDao.getCurrencyConversionsFor(currency);

    Money sum = Money.zero(currency);// ww w.  j ava  2 s .c  o  m
    for (Money payment : payments) {
        if (currency.equals(payment.getCurrencyUnit())) {
            sum = sum.plus(payment);
        } else {
            BigDecimal conversionRate = currencyConversions.get(payment.getCurrencyUnit());
            if (conversionRate == null) {
                LOG.warn("No conversion rate found for " + currency + " to " + payment.getCurrencyUnit()
                        + ". Skipping it.");
            } else {
                sum = sum.plus(payment.convertedTo(currency, conversionRate, RoundingMode.HALF_UP));
            }
        }
    }
    return sum;
}

From source file:richtercloud.reflection.form.builder.components.AmountMoneyPanel.java

/**
 * Creates a new AmountMoneyPanel with {@link #DEFAULT_CURRENCIES} and
 * {@code additionalCurrencies}.//from w  ww.  jav  a 2s .  c om
 * @param amountMoneyCurrencyStorage
 * @param amountMoneyUsageStatisticsStorage
 * @param amountMoneyExchangeRateRetriever
 * @param messageHandler
 * @throws richtercloud.reflection.form.builder.components.AmountMoneyCurrencyStorageException
 */
public AmountMoneyPanel(AmountMoneyCurrencyStorage amountMoneyCurrencyStorage,
        AmountMoneyUsageStatisticsStorage amountMoneyUsageStatisticsStorage,
        AmountMoneyExchangeRateRetriever amountMoneyExchangeRateRetriever, MessageHandler messageHandler)
        throws AmountMoneyCurrencyStorageException {
    this.messageHandler = messageHandler;
    Set<Currency> exchangeRateRetrieverSupportedCurrencies = amountMoneyExchangeRateRetriever
            .getSupportedCurrencies();
    for (Currency currency : amountMoneyCurrencyStorage.getCurrencies()) {
        if (!exchangeRateRetrieverSupportedCurrencies.contains(currency)) {
            try {
                currency.getExchangeRate();
            } catch (ConversionException ex) {
                throw new IllegalArgumentException(String.format(
                        "Currency %s isn't supported by exchange rate retriever and doesn't have an exchange rate set",
                        currency));
            }
        }
        currencyComboBoxModel.addElement(currency);
    }
    initComponents();
    ((SpinnerNumberModel) amountIntegerSpinner.getModel())
            .setMaximum(((long) (Double.MAX_VALUE * MINIMAL_STEP)));
    //cast to long is necessary to make ChangeListener of
    //amountIntegerSpinner be notified
    this.amountIntegerSpinner.addChangeListener(new ChangeListener() {
        @Override
        public void stateChanged(ChangeEvent e) {
            for (AmountMoneyPanelUpdateListener updateListener : AmountMoneyPanel.this.updateListeners) {
                updateListener.onUpdate(new AmountMoneyPanelUpdateEvent(getValue()));
            }
        }
    });
    this.amountDecimalSpinner.addChangeListener(new ChangeListener() {
        @Override
        public void stateChanged(ChangeEvent e) {
            for (AmountMoneyPanelUpdateListener updateListener : AmountMoneyPanel.this.updateListeners) {
                updateListener.onUpdate(new AmountMoneyPanelUpdateEvent(getValue()));
            }
        }
    });
    this.currencyComboBox.addItemListener(new ItemListener() {
        @Override
        public void itemStateChanged(ItemEvent itemEvent) {
            //convert after currency change (not necessary, but useful)
            Currency oldCurrency = (Currency) itemEvent.getItem();
            Currency newCurrency = (Currency) itemEvent.getItemSelectable().getSelectedObjects()[0];
            double newAmount;
            try {
                newAmount = oldCurrency.getConverterTo(newCurrency).convert(getAmount());
            } catch (ConversionException ex) {
                try {
                    //if the exchange rate isn't set
                    AmountMoneyPanel.this.amountMoneyExchangeRateRetriever.retrieveExchangeRate(newCurrency);
                    AmountMoneyPanel.this.amountMoneyExchangeRateRetriever.retrieveExchangeRate(oldCurrency);
                    newAmount = oldCurrency.getConverterTo(newCurrency).convert(getAmount());
                } catch (AmountMoneyCurrencyStorageException amountMoneyCurrencyStorageException) {
                    throw new RuntimeException(amountMoneyCurrencyStorageException);
                }
            }
            AmountMoneyPanel.this.amountIntegerSpinner.setValue((int) newAmount);
            BigDecimal bd = new BigDecimal(newAmount * 100);
            bd = bd.setScale(0, //newScale
                    RoundingMode.HALF_UP //the rounding mode "taught in school"
            );
            AmountMoneyPanel.this.amountDecimalSpinner.setValue(bd.intValue() % 100);
            //notify registered update listeners
            for (AmountMoneyPanelUpdateListener updateListener : AmountMoneyPanel.this.updateListeners) {
                updateListener.onUpdate(new AmountMoneyPanelUpdateEvent(getValue()));
            }
        }
    });
    this.amountMoneyCurrencyStorage = amountMoneyCurrencyStorage;
    this.amountMoneyUsageStatisticsStorage = amountMoneyUsageStatisticsStorage;
    this.amountMoneyExchangeRateRetriever = amountMoneyExchangeRateRetriever;
}

From source file:org.projectforge.fibu.RechnungDao.java

/**
 * Sets the scales of percentage and currency amounts. <br/>
 * Gutschriftsanzeigen drfen keine Rechnungsnummer haben. Wenn eine Rechnungsnummer fr neue Rechnungen gegeben wurde, so muss sie
 * fortlaufend sein. Berechnet das Zahlungsziel in Tagen, wenn nicht gesetzt, damit es indiziert wird.
 * @see org.projectforge.core.BaseDao#onSaveOrModify(org.projectforge.core.ExtendedBaseDO)
 *//*  w  ww  .  j  a va2s  .  co  m*/
@SuppressWarnings("unchecked")
@Override
protected void onSaveOrModify(final RechnungDO obj) {
    if (obj.getTyp() == RechnungTyp.GUTSCHRIFTSANZEIGE_DURCH_KUNDEN) {
        if (obj.getNummer() != null) {
            throw new UserException("fibu.rechnung.error.gutschriftsanzeigeDarfKeineRechnungsnummerHaben");
        }
    } else {
        if (obj.getNummer() == null) {
            throw new UserException("validation.required.valueNotPresent",
                    new MessageParam("fibu.rechnung.nummer", MessageParamType.I18N_KEY));
        }
        if (obj.getId() == null) {
            // Neue Rechnung
            final Integer next = getNextNumber(obj);
            if (next.intValue() != obj.getNummer().intValue()) {
                throw new UserException("fibu.rechnung.error.rechnungsNummerIstNichtFortlaufend");
            }
        } else {
            final List<RechnungDO> list = getHibernateTemplate().find(
                    "from RechnungDO r where r.nummer = ? and r.id <> ?",
                    new Object[] { obj.getNummer(), obj.getId() });
            if (list != null && list.size() > 0) {
                throw new UserException("fibu.rechnung.error.rechnungsNummerBereitsVergeben");
            }
        }
    }
    if (obj.getZahlBetrag() != null) {
        obj.setZahlBetrag(obj.getZahlBetrag().setScale(2, RoundingMode.HALF_UP));
    }
    obj.recalculate();
    if (CollectionUtils.isEmpty(obj.getPositionen()) == true) {
        throw new UserException("fibu.rechnung.error.rechnungHatKeinePositionen");
    }
    final int size = obj.getPositionen().size();
    for (int i = size - 1; i > 0; i--) {
        // Don't remove first position, remove only the last empty positions.
        final RechnungsPositionDO position = obj.getPositionen().get(i);
        if (position.getId() == null && position.isEmpty() == true) {
            obj.getPositionen().remove(i);
        } else {
            break;
        }
    }
    writeUiStatusToXml(obj);
}

From source file:org.cirdles.ambapo.UTMToLatLong.java

/**
 * /*from   www . ja  va 2 s.c  om*/
 * @param eccentricity
 * @param currentTau
 * @param currentSigma
 * @return change in tau
 */
private static BigDecimal changeInTau(BigDecimal eccentricity, BigDecimal currentTau, BigDecimal currentSigma) {

    BigDecimal changeInTau = ((new BigDecimal(
            Math.sqrt((1 + currentSigma.pow(2).doubleValue()) * (1 + currentTau.pow(2).doubleValue()))))
                    .subtract(currentSigma.multiply(currentTau)))
                            .multiply(new BigDecimal(1 - eccentricity.pow(2).doubleValue()))
                            .multiply(new BigDecimal(Math.sqrt(1 + currentTau.pow(2).doubleValue())))
                            .divide(BigDecimal.ONE.add(BigDecimal.ONE.subtract(eccentricity.pow(2)))
                                    .multiply(currentTau.pow(2)), PRECISION, RoundingMode.HALF_UP);

    return changeInTau;

}

From source file:org.businessmanager.web.controller.page.invoice.InvoiceEditController.java

public BigDecimal getTotalNetPrice() {
    BigDecimal totalNetPrice = BigDecimal.ZERO;
    for (LineItemBean lineItem : bean.getLineItems()) {
        BigDecimal sumPrice = lineItem.getSumPriceNet();
        totalNetPrice = totalNetPrice.add(sumPrice);
    }/*from   ww w.  j  a  v a2 s  .c o m*/

    return totalNetPrice.setScale(2, RoundingMode.HALF_UP);
}

From source file:nl.tudelft.stocktrader.derby.DerbyMarketSummaryDAO.java

public void updateStockPriceVolume(double quantity, RemoteQuoteData quote) throws DAOException {
    //      BigDecimal priceChangeFactor = StockTraderUtility.getRandomPriceChangeFactor(quote.getPrice());
    //      BigDecimal newPrice = quote.getPrice().multiply(priceChangeFactor);
    ///*from   ww  w. j av  a  2 s  .c om*/
    //      if (newPrice.compareTo(quote.getLow()) == -1) {
    //         quote.setLow(newPrice);
    //      }
    //      if (newPrice.compareTo(quote.getHigh()) == 1) {
    //         quote.setHigh(newPrice);
    //      }

    PreparedStatement previousValues = null;
    PreparedStatement updateStockPriceVolumeStat = null;
    try {
        previousValues = sqlConnection.prepareStatement(SQL_SELECT_QUOTE);
        previousValues.setString(1, quote.getTicker());
        ResultSet rs = previousValues.executeQuery();

        if (!rs.next()) {
            throw new DAOException("Could not find quote " + quote.getTicker());
        }

        double low = rs.getDouble("low");
        double high = rs.getDouble("high");

        if (low > quote.getValue()) {
            low = quote.getValue();
        }

        if (high < quote.getValue()) {
            high = quote.getValue();
        }

        BigDecimal value = new BigDecimal(quote.getValue()).setScale(4, RoundingMode.HALF_UP);

        updateStockPriceVolumeStat = sqlConnection.prepareStatement(SQL_UPDATE_STOCKPRICEVOLUME);
        updateStockPriceVolumeStat.setBigDecimal(1, value);
        updateStockPriceVolumeStat.setBigDecimal(2, new BigDecimal(low).setScale(4, RoundingMode.HALF_UP));
        updateStockPriceVolumeStat.setBigDecimal(3, new BigDecimal(high).setScale(4, RoundingMode.HALF_UP));
        updateStockPriceVolumeStat.setBigDecimal(4, value);
        updateStockPriceVolumeStat.setFloat(5, (float) quantity);
        updateStockPriceVolumeStat.setString(6, quote.getTicker());
        updateStockPriceVolumeStat.executeUpdate();

    } catch (SQLException e) {
        throw new DAOException("", e);
    } finally {
        try {
            if (updateStockPriceVolumeStat != null) {
                updateStockPriceVolumeStat.close();
            }
        } catch (SQLException e) {
            logger.debug("", e);
        }
    }
}

From source file:com.jinhs.fetch.mirror.MirrorClientImpl.java

private void formatLocation(Location location) {
    double latitude = location.getLatitude();
    double longtitude = location.getLongitude();
    DecimalFormat df = new DecimalFormat("#.###");
    df.setRoundingMode(RoundingMode.HALF_UP);
    latitude = Double.parseDouble(df.format(latitude));
    longtitude = Double.parseDouble(df.format(longtitude));
    location.setLatitude(latitude);//  w  w w  .  j a  v  a 2 s .c om
    location.setLongitude(longtitude);
}

From source file:com.theaetetuslabs.android_apkmaker.AndroidApkMaker.java

private void makeApk(final NotificationManager mNotifyManager, final NotificationCompat.Builder mBuilder,
        String projectDirPath, boolean verbose) {
    ApkMakerOptions options = new ApkMakerOptions();
    options.aapt = buildFiles.aapt.getAbsolutePath();
    options.androidJar = buildFiles.androidJar.getAbsolutePath();
    options.projectDir = projectDirPath;
    options.outputFile = buildFiles.unsigned.getAbsolutePath();
    options.verbose = verbose;//from  w w w.j a v a  2s  .c om
    options.aaptRunner = null;/*new AaptRunner(){
                              @Override
                              public boolean runAapt(File androidManifest, File resourcesArsc, File androidJar, File resDir, File genDir, Callbacks callbacks) {
                              String logDirPath = new File(service.getFilesDir(), "logDir").getAbsolutePath();
                              Log.d("TAG", "LogDirPath: " + logDirPath);
                              String aaptCommand = "package " +
                              " -f " + //force overwrite existing files;
                              " -v " +//verbose
                              " -M " + androidManifest.getAbsolutePath() +
                              " -F " + resourcesArsc.getAbsolutePath() +  //this is where aapt will output the resource file to go in apk
                              " -I " + androidJar.getAbsolutePath() +
                              " -S " + resDir.getAbsolutePath() +
                              " -J " + genDir.getAbsolutePath();  //where to put R.java
                                      
                              new TArnAapt(logDirPath).fnExecute(aaptCommand);
                              return false;
                              }
                              };*/
    com.theaetetuslabs.java_apkmaker.Main.main(options, null, null, new Callbacks() {
        @Override
        public void updateProgress(String msg, float percent) {
            if (percent == -1) {
                mBuilder.setProgress(0, 0, true);
            } else {
                percent *= 100;
                mBuilder.setProgress(100, (int) percent, false);
                DecimalFormat df = new DecimalFormat("##");
                df.setRoundingMode(RoundingMode.HALF_UP);
                msg = msg + ". " + df.format(percent) + "%";
            }
            mBuilder.setContentText(msg);
            mNotifyManager.notify(ONGOING_NOTIFICATION_ID, mBuilder.build());
        }

        @Override
        public void error(String str) {
            sendFailNotification(str);
        }

        @Override
        public void done(File apk) {

        }
    });
}

From source file:org.openhab.binding.plex.internal.PlexConnector.java

private String getProgressCommand(PlexBindingConfig config, Command command) {
    PlexSession session = getSessionByMachineId(config.getMachineIdentifier());
    String url = null;/*from   w ww.j  av  a  2  s  .c  om*/

    if (session != null) {
        int offset = 0;

        if (command.getClass().equals(PercentType.class)) {
            PercentType percent = (PercentType) command;
            offset = new BigDecimal(session.getDuration()).multiply(percent.toBigDecimal()
                    .divide(new BigDecimal("100"), new MathContext(5, RoundingMode.HALF_UP))).intValue();

            offset = Math.max(0, offset);
            offset = Math.min(session.getDuration(), offset);

            url = String.format("playback/seekTo?offset=%d", offset);
        } else if (command.getClass().equals(IncreaseDecreaseType.class)) {
            if (command.equals(IncreaseDecreaseType.DECREASE))
                url = PlexBindingConstants.PROPERTY_STEP_BACK;
            else
                url = PlexBindingConstants.PROPERTY_STEP_FORWARD;
        }
    }

    return url;
}

From source file:org.projectforge.business.fibu.RechnungDao.java

/**
 * Sets the scales of percentage and currency amounts. <br/>
 * Gutschriftsanzeigen drfen keine Rechnungsnummer haben. Wenn eine Rechnungsnummer fr neue Rechnungen gegeben
 * wurde, so muss sie fortlaufend sein. Berechnet das Zahlungsziel in Tagen, wenn nicht gesetzt, damit es indiziert
 * wird.//from  www .  ja v a2  s.  c om
 * 
 * @see org.projectforge.framework.persistence.api.BaseDao#onSaveOrModify(org.projectforge.core.ExtendedBaseDO)
 */
@SuppressWarnings("unchecked")
@Override
protected void onSaveOrModify(final RechnungDO obj) {
    if (obj.getTyp() == RechnungTyp.GUTSCHRIFTSANZEIGE_DURCH_KUNDEN) {
        if (obj.getNummer() != null) {
            throw new UserException("fibu.rechnung.error.gutschriftsanzeigeDarfKeineRechnungsnummerHaben");
        }
    } else {
        if (obj.getNummer() == null) {
            throw new UserException("validation.required.valueNotPresent",
                    new MessageParam("fibu.rechnung.nummer", MessageParamType.I18N_KEY));
        }
        if (obj.getId() == null) {
            // Neue Rechnung
            final Integer next = getNextNumber(obj);
            if (next.intValue() != obj.getNummer().intValue()) {
                throw new UserException("fibu.rechnung.error.rechnungsNummerIstNichtFortlaufend");
            }
        } else {
            final List<RechnungDO> list = (List<RechnungDO>) getHibernateTemplate().find(
                    "from RechnungDO r where r.nummer = ? and r.id <> ?",
                    new Object[] { obj.getNummer(), obj.getId() });
            if (list != null && list.size() > 0) {
                throw new UserException("fibu.rechnung.error.rechnungsNummerBereitsVergeben");
            }
        }
    }
    if (obj.getZahlBetrag() != null) {
        obj.setZahlBetrag(obj.getZahlBetrag().setScale(2, RoundingMode.HALF_UP));
    }
    obj.recalculate();
    if (CollectionUtils.isEmpty(obj.getPositionen()) == true) {
        throw new UserException("fibu.rechnung.error.rechnungHatKeinePositionen");
    }
    final int size = obj.getPositionen().size();
    for (int i = size - 1; i > 0; i--) {
        // Don't remove first position, remove only the last empty positions.
        final RechnungsPositionDO position = obj.getPositionen().get(i);
        if (position.getId() == null && position.isEmpty() == true) {
            obj.getPositionen().remove(i);
        } else {
            break;
        }
    }
    writeUiStatusToXml(obj);
}