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com.pjsofts.eurobudget.data
Class CurrencyChoice  

java.lang.Object
  com.pjsofts.eurobudget.data.CurrencyChoice

All Implemented Interfaces:

java.lang.Comparable

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public class CurrencyChoice

extends java.lang.Object

implements java.lang.Comparable

Helper class about Currency Add sort order.

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Field Summary
java.util.Currency	ccy
private static java.util.HashMap	map           map of instances (key:Currency value:MyCurrency)

 

Constructor Summary
private	CurrencyChoice(java.util.Currency ccy)

 

Method Summary
int	compareTo(java.lang.Object o)           Compares this object with another, and returns a numerical result based on the comparison.
static CurrencyChoice[]	getAvailableCurrencies()           all available ccy (sorted)
static CurrencyChoice	getInstance(java.util.Currency ccy)
java.lang.String	toString()           Convert this Object to a human-readable String.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

map

private static java.util.HashMap map

map of instances (key:Currency value:MyCurrency)

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ccy

public java.util.Currency ccy

Constructor Detail

CurrencyChoice

private CurrencyChoice(java.util.Currency ccy)

Method Detail

compareTo

public int compareTo(java.lang.Object o)

Description copied from interface: java.lang.Comparable

Compares this object with another, and returns a numerical result based on the comparison. If the result is negative, this object sorts less than the other; if 0, the two are equal, and if positive, this object sorts greater than the other. To translate this into boolean, simply perform o1.compareTo(o2) <op> 0, where op is one of <, <=, =, !=, >, or >=.

You must make sure that the comparison is mutual, ie. sgn(x.compareTo(y)) == -sgn(y.compareTo(x)) (where sgn() is defined as -1, 0, or 1 based on the sign). This includes throwing an exception in either direction if the two are not comparable; hence, compareTo(null) should always throw an Exception.

You should also ensure transitivity, in two forms: x.compareTo(y) > 0 && y.compareTo(z) > 0 implies x.compareTo(z) > 0; and x.compareTo(y) == 0 implies x.compareTo(z) == y.compareTo(z).

Specified by:

compareTo in interface java.lang.Comparable

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toString

public java.lang.String toString()

Description copied from class: java.lang.Object

Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).

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getInstance

public static CurrencyChoice getInstance(java.util.Currency ccy)

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getAvailableCurrencies

public static CurrencyChoice[] getAvailableCurrencies()

all available ccy (sorted)

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