Examples with RoundingMode java.math.RoundingMode used on opensource projects

Example 66 with RoundingMode

use of java.math.RoundingMode in project head by mifos.

the class AccountingRulesTest method testGetInitialRoundingMode.

@Test
public void testGetInitialRoundingMode() {
    RoundingMode configuredMode = AccountingRules.getInitialRoundingMode();
    String roundingMode = "FLOOR";
    RoundingMode configRoundingMode = RoundingMode.FLOOR;
    MifosConfigurationManager configMgr = MifosConfigurationManager.getInstance();
    configMgr.setProperty(AccountingRulesConstants.INITIAL_ROUNDING_MODE, roundingMode);
    // return value from accounting rules class has to be the value defined
    // in the config file
    assertEquals(configRoundingMode, AccountingRules.getInitialRoundingMode());
    // clear the RoundingRule property from the config file
    configMgr.clearProperty(AccountingRulesConstants.INITIAL_ROUNDING_MODE);
    RoundingMode defaultValue = AccountingRules.getInitialRoundingMode();
    assertEquals(defaultValue, RoundingMode.HALF_UP);
    // now set a wrong rounding mode in config
    roundingMode = "UP";
    configMgr.addProperty(AccountingRulesConstants.INITIAL_ROUNDING_MODE, roundingMode);
    try {
        AccountingRules.getInitialRoundingMode();
        fail();
    } catch (RuntimeException e) {
        assertEquals("InitialRoundingMode defined in the config file is not CEILING, FLOOR, HALF_UP. It is " + roundingMode, e.getMessage());
    }
    // save it back
    configMgr.setProperty(AccountingRulesConstants.INITIAL_ROUNDING_MODE, configuredMode.toString());
}

Example 67 with RoundingMode

use of java.math.RoundingMode in project openhab1-addons by openhab.

the class BindingConfigParser method parse.

/**
     * Parses the bindingConfig of an item and returns a WeatherBindingConfig.
     */
public WeatherBindingConfig parse(Item item, String bindingConfig) throws BindingConfigParseException {
    bindingConfig = StringUtils.trimToEmpty(bindingConfig);
    bindingConfig = StringUtils.removeStart(bindingConfig, "{");
    bindingConfig = StringUtils.removeEnd(bindingConfig, "}");
    String[] entries = bindingConfig.split("[,]");
    WeatherBindingConfigHelper helper = new WeatherBindingConfigHelper();
    for (String entry : entries) {
        String[] entryParts = StringUtils.trimToEmpty(entry).split("[=]");
        if (entryParts.length != 2) {
            throw new BindingConfigParseException("A bindingConfig must have a key and a value");
        }
        String key = StringUtils.trim(entryParts[0]);
        String value = StringUtils.trim(entryParts[1]);
        value = StringUtils.removeStart(value, "\"");
        value = StringUtils.removeEnd(value, "\"");
        try {
            helper.getClass().getDeclaredField(key).set(helper, value);
        } catch (Exception e) {
            throw new BindingConfigParseException("Could not set value " + value + " for attribute " + key);
        }
    }
    if (!helper.isValid()) {
        throw new BindingConfigParseException("Invalid binding: " + bindingConfig);
    }
    helper.type = StringUtils.replace(helper.type, "athmosphere", "atmosphere");
    WeatherBindingConfig weatherConfig = null;
    if (helper.isForecast()) {
        Integer forecast = parseInteger(helper.forecast, bindingConfig);
        if (forecast < 0) {
            throw new BindingConfigParseException("Invalid binding, forecast must be >= 0: " + bindingConfig);
        }
        weatherConfig = new ForecastBindingConfig(helper.locationId, forecast, helper.type, helper.property);
    } else {
        weatherConfig = new WeatherBindingConfig(helper.locationId, helper.type, helper.property);
    }
    Weather validationInstance = new Weather(null);
    String property = weatherConfig.getWeatherProperty();
    if (!Weather.isVirtualProperty(property) && !PropertyUtils.hasProperty(validationInstance, property)) {
        throw new BindingConfigParseException("Invalid binding, unknown type or property: " + bindingConfig);
    }
    boolean isDecimalTypeItem = item.getAcceptedDataTypes().contains(DecimalType.class);
    if (isDecimalTypeItem || Weather.isVirtualProperty(property)) {
        RoundingMode roundingMode = RoundingMode.HALF_UP;
        if (helper.roundingMode != null) {
            try {
                roundingMode = RoundingMode.valueOf(StringUtils.upperCase(helper.roundingMode));
            } catch (IllegalArgumentException ex) {
                throw new BindingConfigParseException("Invalid binding, unknown roundingMode: " + bindingConfig);
            }
        }
        Integer scale = 2;
        if (helper.scale != null) {
            scale = parseInteger(helper.scale, bindingConfig);
            if (scale < 0) {
                throw new BindingConfigParseException("Invalid binding, scale must be >= 0: " + bindingConfig);
            }
        }
        weatherConfig.setScale(roundingMode, scale);
    }
    weatherConfig.setUnit(Unit.parse(helper.unit));
    if (StringUtils.isNotBlank(helper.unit) && weatherConfig.getUnit() == null) {
        throw new BindingConfigParseException("Invalid binding, unknown unit: " + bindingConfig);
    }
    try {
        if (!Weather.isVirtualProperty(property) && weatherConfig.hasUnit()) {
            String doubleTypeName = Double.class.getName();
            String propertyTypeName = PropertyUtils.getPropertyTypeName(validationInstance, property);
            if (!StringUtils.equals(doubleTypeName, propertyTypeName)) {
                throw new BindingConfigParseException("Invalid binding, unit specified but property is not a double type: " + bindingConfig);
            }
        }
    } catch (IllegalAccessException ex) {
        logger.error(ex.getMessage(), ex);
        throw new BindingConfigParseException(ex.getMessage());
    }
    return weatherConfig;
}

Example 68 with RoundingMode

use of java.math.RoundingMode in project voltdb by VoltDB.

the class TestDecimalRoundingSuite method testEEDecimalScale.

public void testEEDecimalScale() throws Exception {
    Boolean roundIsEnabled = Boolean.valueOf(m_defaultRoundingEnablement);
    RoundingMode roundMode = RoundingMode.valueOf(m_defaultRoundingMode);
    assert (m_config instanceof LocalCluster);
    LocalCluster localCluster = (LocalCluster) m_config;
    Map<String, String> props = localCluster.getAdditionalProcessEnv();
    if (props != null) {
        roundIsEnabled = Boolean.valueOf(props.containsKey(m_roundingEnabledProperty) ? props.get(m_roundingEnabledProperty) : "true");
        roundMode = RoundingMode.valueOf(props.containsKey(m_roundingModeProperty) ? props.get(m_roundingModeProperty) : "HALF_UP");
    }
    doTestEEDecimalScale(roundIsEnabled, roundMode);
}

Example 69 with RoundingMode

use of java.math.RoundingMode in project voltdb by VoltDB.

the class TestDecimalRoundingSuite method testDecimalScaleInsertion.

public void testDecimalScaleInsertion() throws Exception {
    Boolean roundIsEnabled = Boolean.valueOf(m_defaultRoundingEnablement);
    RoundingMode roundMode = RoundingMode.valueOf(m_defaultRoundingMode);
    assert (m_config instanceof LocalCluster);
    LocalCluster localCluster = (LocalCluster) m_config;
    Map<String, String> props = localCluster.getAdditionalProcessEnv();
    if (props != null) {
        roundIsEnabled = Boolean.valueOf(props.containsKey(m_roundingEnabledProperty) ? props.get(m_roundingEnabledProperty) : "true");
        roundMode = RoundingMode.valueOf(props.containsKey(m_roundingModeProperty) ? props.get(m_roundingModeProperty) : "HALF_UP");
        System.out.printf("Rounding is %senabled, mode is %s\n", roundIsEnabled ? "" : "not ", roundMode.toString());
    } else {
        System.out.printf("Default rounding (%s), Default Rounding mode (%s).\n", roundIsEnabled.toString(), roundMode.toString());
    }
    doTestDecimalScaleInsertion(roundIsEnabled, roundMode);
}

Example 70 with RoundingMode

use of java.math.RoundingMode in project Tundra by Permafrost.

the class measure method convert.

// ---( server methods )---
public static final void convert(IData pipeline) throws ServiceException {
    // --- <<IS-START(convert)>> ---
    // @subtype unknown
    // @sigtype java 3.5
    // [i] field:0:optional $value
    // [i] field:0:required $unit.input {"t","kg","g","lb","oz","km","m","cm","mm","mi","yd","ft","in"}
    // [i] field:0:required $unit.output {"t","kg","g","lb","oz","km","m","cm","mm","mi","yd","ft","in"}
    // [i] field:0:optional $precision
    // [i] field:0:optional $rounding {"HALF_UP","CEILING","DOWN","FLOOR","HALF_DOWN","HALF_EVEN","UNNECESSARY","UP"}
    // [o] field:0:optional $result
    IDataCursor cursor = pipeline.getCursor();
    try {
        BigDecimal value = IDataHelper.get(cursor, "$value", BigDecimal.class);
        String inputUnit = IDataHelper.get(cursor, "$unit.input", String.class);
        String outputUnit = IDataHelper.get(cursor, "$unit.output", String.class);
        int precision = IDataHelper.getOrDefault(cursor, "$precision", Integer.class, -1);
        RoundingMode rounding = IDataHelper.get(cursor, "$rounding", RoundingMode.class);
        if (value != null) {
            IDataHelper.put(cursor, "$result", BigDecimalHelper.round(MeasureHelper.convert(value, UnitHelper.parse(inputUnit), UnitHelper.parse(outputUnit), MathContext.DECIMAL128), precision, rounding), String.class);
        }
    } finally {
        cursor.destroy();
    }
// --- <<IS-END>> ---
}