com.xpert.core.conversion

Class NumberUtils

java.lang.Object

com.xpert.core.conversion.NumberUtils

public class NumberUtils
extends Object

Utility class to manipulate Number.

Author:

Ayslan

Constructor Summary

Constructors

Constructor and Description
NumberUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static BigDecimal	avg(Collection objects, String field) Returns a BigDecimal instance of average of fields in collection.
static BigDecimal	convertToBigDecimal(Object value) Try to convert a object to BigDecimal Example: Double = new BigDecimal((Double) value) Float = new BigDecimal((Float) value)
static String	convertToMoney(BigDecimal valor)
static String	convertToMoney(Double valor)
static String	convertToNumber(BigDecimal valor)
static String	convertToNumber(Double valor)
static String	convertToNumber(String valor)
static NumberFormat	getNumberFormat()
static NumberFormat	getNumberFormat(int maximumFractionDigits, int minimumFractionDigits)
static BigDecimal	max(Collection objects, String field) Returns a BigDecimal instance of max value of fields in collection.
static BigDecimal	min(Collection objects, String field) Returns a BigDecimal instance of min value of fields in collection.
static BigDecimal	sum(Collection objects, String field) Returns a BigDecimal instance o of sum fields in collection.
static Integer	sumInteger(Collection objects, String field) Returns a Integer instance o of sum fields in collection.
static Long	sumLong(Collection objects, String field) Returns a Integer instance o of sum fields in collection.

Methods inherited from class java.lang.Object

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

Constructor Detail

NumberUtils

public NumberUtils()

Method Detail

convertToMoney

public static String convertToMoney(BigDecimal valor)

convertToNumber

public static String convertToNumber(BigDecimal valor)

convertToMoney

public static String convertToMoney(Double valor)

convertToNumber

public static String convertToNumber(Double valor)

convertToNumber

public static String convertToNumber(String valor)

getNumberFormat

public static NumberFormat getNumberFormat()

getNumberFormat

public static NumberFormat getNumberFormat(int maximumFractionDigits,
                           int minimumFractionDigits)

sum

public static BigDecimal sum(Collection objects,
             String field)
                      throws NoSuchMethodException,
                             IllegalAccessException,
                             InvocationTargetException

Returns a BigDecimal instance o of sum fields in collection. If collection is null or empty return ZERO. If sum is null, return ZERO.

Parameters:

objects -

field -

Returns:

Throws:

NoSuchMethodException

IllegalAccessException

InvocationTargetException

avg

public static BigDecimal avg(Collection objects,
             String field)
                      throws NoSuchMethodException,
                             IllegalAccessException,
                             InvocationTargetException

Returns a BigDecimal instance of average of fields in collection. If collection is null or empty return ZERO. If average is null, return ZERO.

Parameters:

objects -

field -

Returns:

Throws:

NoSuchMethodException

IllegalAccessException

InvocationTargetException

max

public static BigDecimal max(Collection objects,
             String field)
                      throws NoSuchMethodException,
                             IllegalAccessException,
                             InvocationTargetException

Returns a BigDecimal instance of max value of fields in collection. If collection is null or empty return null.

Parameters:

objects -

field -

Returns:

Throws:

NoSuchMethodException

IllegalAccessException

InvocationTargetException

min

public static BigDecimal min(Collection objects,
             String field)
                      throws NoSuchMethodException,
                             IllegalAccessException,
                             InvocationTargetException

Returns a BigDecimal instance of min value of fields in collection. If collection is null or empty return null.

Parameters:

objects -

field -

Returns:

Throws:

NoSuchMethodException

IllegalAccessException

InvocationTargetException

convertToBigDecimal

public static BigDecimal convertToBigDecimal(Object value)

Try to convert a object to BigDecimal Example: Double = new BigDecimal((Double) value) Float = new BigDecimal((Float) value)

Parameters:

value -

Returns:

sumInteger

public static Integer sumInteger(Collection objects,
                 String field)
                          throws NoSuchMethodException,
                                 IllegalAccessException,
                                 InvocationTargetException

Returns a Integer instance o of sum fields in collection. If collection is null or empty return ZERO. If sum is null, return ZERO.

Parameters:

objects -

field -

Returns:

Throws:

NoSuchMethodException

IllegalAccessException

InvocationTargetException

sumLong

public static Long sumLong(Collection objects,
           String field)
                    throws NoSuchMethodException,
                           IllegalAccessException,
                           InvocationTargetException

Returns a Integer instance o of sum fields in collection. If collection is null or empty return ZERO. If sum is null, return ZERO.

Parameters:

objects -

field -

Returns:

Throws:

NoSuchMethodException

IllegalAccessException

InvocationTargetException