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

Example 56 with BigDecimal

use of java.math.BigDecimal in project jstorm by alibaba.

the class Bytes method toBigDecimal.

/**
     * Converts a byte array to a BigDecimal value
     *
     * @param bytes
     * @param offset
     * @param length
     * @return the char value
     */
public static BigDecimal toBigDecimal(byte[] bytes, int offset, final int length) {
    if (bytes == null || length < SIZEOF_INT + 1 || (offset + length > bytes.length)) {
        return null;
    }
    int scale = toInt(bytes, offset);
    byte[] tcBytes = new byte[length - SIZEOF_INT];
    System.arraycopy(bytes, offset + SIZEOF_INT, tcBytes, 0, length - SIZEOF_INT);
    return new BigDecimal(new BigInteger(tcBytes), scale);
}

Example 57 with BigDecimal

use of java.math.BigDecimal in project otter by alibaba.

the class TestMysqlUnsignedInt method insertNumeric.

public static void insertNumeric() throws ClassNotFoundException, SQLException {
    Class.forName("com.mysql.jdbc.Driver");
    Properties from = new Properties();
    from.put("user", "root");
    from.put("password", "root");
    from.put("characterEncoding", "utf8");
    Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/erosa", from);
    PreparedStatement pst = conn.prepareStatement("insert into unsignednumeric(id,id1,id2,id3) values (?,?,?,?)");
    pst.setLong(1, Integer.MAX_VALUE * 2L);
    pst.setLong(2, Integer.MAX_VALUE);
    pst.setBigDecimal(3, new BigDecimal("18446744073709551614"));
    pst.setBigDecimal(4, new BigDecimal("9223372036854775807"));
    pst.executeUpdate();
    pst.close();
    conn.close();
}

Example 58 with BigDecimal

use of java.math.BigDecimal in project grails-core by grails.

the class ScaleConstraint method processValidate.

/**
     * {@inheritDoc}
     * @see org.grails.validation.AbstractConstraint#processValidate(
     *     java.lang.Object, java.lang.Object, org.springframework.validation.Errors)
     */
@Override
protected void processValidate(Object target, Object propertyValue, Errors errors) {
    BigDecimal bigDecimal;
    BeanWrapper bean = new BeanWrapperImpl(target);
    if (propertyValue instanceof Float) {
        bigDecimal = new BigDecimal(propertyValue.toString());
        bigDecimal = getScaledValue(bigDecimal);
        bean.setPropertyValue(getPropertyName(), bigDecimal.floatValue());
    } else if (propertyValue instanceof Double) {
        bigDecimal = new BigDecimal(propertyValue.toString());
        bigDecimal = getScaledValue(bigDecimal);
        bean.setPropertyValue(getPropertyName(), bigDecimal.doubleValue());
    } else if (propertyValue instanceof BigDecimal) {
        bigDecimal = (BigDecimal) propertyValue;
        bigDecimal = getScaledValue(bigDecimal);
        bean.setPropertyValue(getPropertyName(), bigDecimal);
    } else {
        throw new IllegalArgumentException("Unsupported type detected in constraint [" + getName() + "] of property [" + constraintPropertyName + "] of class [" + constraintOwningClass + "]");
    }
}

Example 59 with BigDecimal

use of java.math.BigDecimal in project gradle by gradle.

the class Amount method doFormat.

private String doFormat() {
    List<Units<Q>> allUnits = units.getUnitsForQuantity();
    BigDecimal base = normalised.abs();
    for (int i = allUnits.size() - 1; i >= 0; i--) {
        Units<Q> candidate = allUnits.get(i);
        if (base.compareTo(candidate.getFactor()) >= 0) {
            BigDecimal scaled = units.scaleTo(value, candidate);
            return formatValue(scaled) + " " + candidate.format(scaled);
        }
    }
    return formatValue(value) + " " + units.format(value);
}

Example 60 with BigDecimal

use of java.math.BigDecimal in project grails-core by grails.

the class NotEqualConstraintTests method testCreationWithWrongParameterType.

// testcase for GRAILS-1209
public void testCreationWithWrongParameterType() {
    // property is Float but parameter is BigDecimal
    try {
        getConstraint("testFloat", new BigDecimal("0.0"));
        fail("NotEqualConstraint must throw an exception for parameter with wrong type .");
    } catch (IllegalArgumentException iae) {
    // Great
    }
    // property is String but parameter is Integer
    try {
        getConstraint("testString", 4);
        fail("MinConstraint must throw an exception for parameter with wrong type .");
    } catch (IllegalArgumentException iae) {
    // Great
    }
}