prajna.text

Class MixedNumberFormat

java.lang.Object

java.text.Format

java.text.NumberFormat

prajna.text.MixedNumberFormat

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class MixedNumberFormat
extends java.text.NumberFormat

Parser to transform semi-scientific numbers such as "1.4 billion" into an integer representation. It also ignores currency symbols (e.g., '$'), so it can parse monetary amounts.

Author:

Edward Swing

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.text.NumberFormat

java.text.NumberFormat.Field

Field Summary

Fields inherited from class java.text.NumberFormat

FRACTION_FIELD, INTEGER_FIELD

Constructor Summary

Constructors

Constructor and Description
MixedNumberFormat() Initialize the NumberParser

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.StringBuffer	format(double number, java.lang.StringBuffer toAppendTo, java.text.FieldPosition pos) Formats a floating point number into a string that matches the format for this formatter.
java.lang.StringBuffer	format(long number, java.lang.StringBuffer toAppendTo, java.text.FieldPosition pos) Formats an integer into a string that matches the format for this formatter.
java.lang.Number	parse(java.lang.String source, java.text.ParsePosition pos) Parse the text into an integer.

Methods inherited from class java.text.NumberFormat

clone, equals, format, format, format, getAvailableLocales, getCurrency, getCurrencyInstance, getCurrencyInstance, getInstance, getInstance, getIntegerInstance, getIntegerInstance, getMaximumFractionDigits, getMaximumIntegerDigits, getMinimumFractionDigits, getMinimumIntegerDigits, getNumberInstance, getNumberInstance, getPercentInstance, getPercentInstance, getRoundingMode, hashCode, isGroupingUsed, isParseIntegerOnly, parse, parseObject, setCurrency, setGroupingUsed, setMaximumFractionDigits, setMaximumIntegerDigits, setMinimumFractionDigits, setMinimumIntegerDigits, setParseIntegerOnly, setRoundingMode

Methods inherited from class java.text.Format

format, formatToCharacterIterator, parseObject

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MixedNumberFormat

public MixedNumberFormat()

Initialize the NumberParser

Method Detail

format

public java.lang.StringBuffer format(double number,
                            java.lang.StringBuffer toAppendTo,
                            java.text.FieldPosition pos)

Formats a floating point number into a string that matches the format for this formatter.

Specified by:

format in class java.text.NumberFormat

Parameters:

number - the double value

toAppendTo - the StringBuffer to append to

pos - the field position

Returns:

the formatted string

format

public java.lang.StringBuffer format(long number,
                            java.lang.StringBuffer toAppendTo,
                            java.text.FieldPosition pos)

Formats an integer into a string that matches the format for this formatter.

Specified by:

format in class java.text.NumberFormat

Parameters:

number - the integer value

toAppendTo - the StringBuffer to append to

pos - the field position

Returns:

the formatted string

parse

public java.lang.Number parse(java.lang.String source,
                     java.text.ParsePosition pos)

Parse the text into an integer.

Specified by:

parse in class java.text.NumberFormat

Parameters:

source - The text to translate

pos - the parse position

Returns:

the integer extracted from the text