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+/* Currency.java -- Representation of a currency
+ Copyright (C) 2003 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+package java.util;
+
+import java.io.Serializable;
+import java.util.ResourceBundle;
+import java.util.Locale;
+import java.text.NumberFormat;
+
+public final class Currency implements Serializable
+{
+ static final long serialVersionUID = -158308464356906721L;
+
+ private Locale locale;
+ private ResourceBundle res;
+
+ // For deserialization
+ private Currency ()
+ {
+ }
+
+ private Currency (Locale loc)
+ {
+ this.locale = loc;
+ this.res = ResourceBundle.getBundle ("gnu.java.locale.LocaleInformation", locale);
+ }
+
+ /**
+ * Returns the ISO4217 currency code of this currency.
+ *
+ * @return a <code>String</code> containing currency code.
+ */
+ public String getCurrencyCode ()
+ {
+ try
+ {
+ return res.getString ("intlCurrencySymbol");
+ }
+ catch (Exception _)
+ {
+ return null;
+ }
+ }
+
+ /**
+ * @return number of digits after decimal separator for this currency.
+ */
+ public int getDefaultFractionDigits ()
+ {
+ NumberFormat currency = NumberFormat.getCurrencyInstance (locale);
+
+ return currency.getMaximumFractionDigits();
+ }
+
+ /**
+ * Builds a new currency instance for this locale.
+ *
+ * @param locale a <code>Locale</code> instance.
+ *
+ * @return a new <code>Currency</code> instance.
+ */
+ public static Currency getInstance (Locale locale)
+ {
+ return new Currency (locale);
+ }
+
+ /**
+ * Builds the currency corresponding to the specified currency code.
+ *
+ * @param currencyCode a string representing a currency code.
+ *
+ * @return a new <code>Currency</code> instance.
+ */
+ public static Currency getInstance (String currencyCode)
+ {
+ Locale[] all_locales = Locale.getAvailableLocales ();
+
+ for (int i=0;i<all_locales.length;i++)
+ {
+ Currency test_currency = getInstance (all_locales[i]);
+
+ if (test_currency.getCurrencyCode() != null &&
+ test_currency.getCurrencyCode().equals(currencyCode))
+ return test_currency;
+ }
+
+ return null;
+ }
+
+ /**
+ * This method returns the currency symbol.
+ *
+ * @return the currency symbol.
+ */
+ public String getSymbol()
+ {
+ try
+ {
+ return res.getString ("currencySymbol");
+ }
+ catch (Exception _)
+ {
+ return null;
+ }
+ }
+
+ /**
+ * This methods returns the currency symbol expressed in the specified locale.
+ *
+ * @param locale the locale to express the symbol in.
+ * @return the currency symbol.
+ */
+ public String getSymbol(Locale locale)
+ {
+ // TODO. The behaviour is unclear if locale != this.locale.
+ // First we need to implement fully LocaleInformation*.java
+ try
+ {
+ ResourceBundle res = ResourceBundle.getBundle ("gnu.java.locale.LocaleInformation", locale);
+
+ if (res.equals(this.res))
+ return res.getString ("currencySymbol");
+ else
+ return res.getString ("intlCurrencySymbol");
+ }
+ catch (Exception e1)
+ {
+ try
+ {
+ return res.getString ("intlCurrencySymbol");
+ }
+ catch (Exception e2)
+ {
+ return null;
+ }
+ }
+ }
+
+ /**
+ * Returns the international ISO4217 currency code of this currency.
+ *
+ * @return a <code>String</code> containing the ISO4217 currency code.
+ */
+ public String toString()
+ {
+ try
+ {
+ return res.getString ("intlCurrencySymbol");
+ }
+ catch (Exception _)
+ {
+ return "(unknown currency)";
+ }
+ }
+}