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Data::Currency
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README.md

Build Status

NAME

Data::Currency

VERSION

version 0.0501

SYNOPSIS

use Data::Currency;

my $price = Data::Currency->new(1.2, 'USD');
print $price;            # 1.20 USD
print $price->code;      # USD
print $price->format;    # FMT_SYMBOL
print $price->as_string; # 1.20 USD
print $price->as_string('FMT_SYMBOL'); # $1.20

print 'Your price in Canadian Dollars is: ';
print $price->convert('CAD')->value;

DESCRIPTION

The Data::Currency module provides basic currency formatting and conversion:

my $price = 1.23;
my $currency = Data::Currency->new($price);

print $currency->convert('CAD')->as_string;

Each Data::Currency object will stringify to the original value except in string context, where it stringifies to the format specified in format.

NAME

Data::Currency - Container class for currency conversion/formatting

VERSION

version 0.0501

CONSTRUCTOR

new

  • Arguments: $price [, $code, $format] || \%options

To create a new Data::Currency object, simply call new and pass in the price to be formatted:

my $currency = Data::Currency->new(10.23);

my $currency = Data::Currency->new({
    value  => 1.23,
    code   => 'CAD',
    format => 'FMT_SYMBOL',
    converter_class => 'MyConverterClass'
});

You can also pass in the default currency code and/or currency format to be used for each instance. If no code or format are supplied, future calls to as_string and convert will use the default format and code values.

You can set the defaults by calling the code/format values as class methods:

Data::Currency->code('USD');
Data::Currency->format('FMT_COMMON');

my $currency = Data::Currency->new(1.23);
print $currency->as_string; # $1.23

my $currency = Data::Currency->new(1.23, 'CAD', 'FMT_STANDARD');
print $currency->as_string; # 1.23 CAD

The following defaults are set when Data::Currency is loaded:

value:  0
code:   USD
format: FMT_COMMON

METHODS

code

  • Arguments: $code

Gets/sets the three letter currency code for the current currency object. code dies loudly if code isn't a valid currency code.

convert

  • Arguments: $code

Returns a new Data::Currency object containing the converted value.

If no code is specified, the current value of code will be used. If the currency you are converting to is the same as the current objects currency code, convert will just return itself.

Remember, convert returns another currency object, so you can chain away:

my $price = Data::Currency->new(1.25, 'USD');
print $price->convert('CAD')->as_string;

convert dies if code isn't valid currency code or isn't defined.

converter_class

  • Arguments: $converter_class

Gets/sets the converter class to be used when converting currency numbers.

Data::Currency->converter_class('MyCurrencyConverter');

The converter class can be any class that supports the following method signature:

sub convert {
    my ($self, $price, $from, $to) = @_;

    return $converted_price;
};

This method dies if the specified class can not be loaded.

format

  • Arguments: $options

Gets/sets the format to be used when as_string is called. See Locale::Currency::Format for the available formatting options.

name

Returns the currency name for the current objects currency code. If no currency code is set the method will die.

stringify

Sames as as_string.

as_string

Returns the current objects value as a formatted currency string.

as_float

Returns the value formatted as float using decimal places specified by currency code

value

Returns the original price value given to new.

get_component_class

  • Arguments: $name

Gets the current class for the specified component name.

my $class = $self->get_component_class('converter_class');

There is no good reason to use this. Use the specific class accessors instead.

set_component_class

  • Arguments: $name, $value

Sets the current class for the specified component name.

$self->set_component_class('converter_class', 'MyCurrencyConverter');

This method will croak if the specified class can not be loaded. There is no good reason to use this. Use the specific class accessors instead.

SEE ALSO

Locale::Currency, Locale::Currency::Format, Finance::Currency::Convert::WebserviceX

AUTHOR

Christopher H. Laco , Mariano Wahlmann

COPYRIGHT AND LICENSE

This software is copyright (c) 2013 by Christopher H. Laco, Mariano Wahlmann.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

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