com.konakart.util
Class TaxUtils

java.lang.Object
  com.konakart.util.TaxUtils

public class TaxUtils
extends java.lang.Object

Utility methods for calculating tax

Field Summary

protected static org.apache.commons.logging.Log	log the log
static int	TAX_ON_TOTAL Quantity rule
static int	TAX_PER_ITEM Quantity rule

Constructor Summary

TaxUtils()

Method Summary

static java.math.BigDecimal

getTaxAmount(java.math.BigDecimal taxRate, java.math.BigDecimal cost, int quantity, int scale, int rule) Calculates the tax for one or more items

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

log

protected static org.apache.commons.logging.Log log

the log

TAX_ON_TOTAL

public static final int TAX_ON_TOTAL

Quantity rule

See Also:

Constant Field Values

TAX_PER_ITEM

public static final int TAX_PER_ITEM

Quantity rule

See Also:

Constant Field Values

Constructor Detail

TaxUtils

public TaxUtils()

Method Detail

getTaxAmount

public static java.math.BigDecimal getTaxAmount(java.math.BigDecimal taxRate,
                                                java.math.BigDecimal cost,
                                                int quantity,
                                                int scale,
                                                int rule)

Calculates the tax for one or more items

Parameters:

taxRate - tax rate as a percentage

cost - cost of a single item

quantity - Number of items

scale - This is the scale used for the precision of the calculations. It is contained in the ADMIN_CURRENCY_DECIMAL_PLACES configuration variable.

rule - The rule to be used which should be either TAX_PER_ITEM or TAX_ON_TOTAL.

TaxUtils.TAX_PER_ITEM : The tax is calculated for a single item, to the number of decimal places defined by scale. Then this value is multiplied by the quantity.

TaxUtils.TAX_ON_TOTAL : The tax is calculated for the total amount (single item cost x quantity).

Returns:

Returns the tax amount