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1 files changed, 100 insertions, 0 deletions

diff --git a/libjava/classpath/java/util/spi/CurrencyNameProvider.java b/libjava/classpath/java/util/spi/CurrencyNameProvider.java
new file mode 100644
index 000000000..14fae4d87
--- /dev/null
+++ b/libjava/classpath/java/util/spi/CurrencyNameProvider.java
@@ -0,0 +1,100 @@
+/* CurrencyNameProvider.java -- Providers of localized currency symbols
+   Copyright (C) 2007 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., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 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.spi;
+
+import java.util.Locale;
+
+/**
+ * A {@link CurrencyNameProvider} provides localized
+ * versions of the symbols that represent a particular
+ * currency.  Note that currency symbols are regarded
+ * as names, and thus a <code>null</code> value may
+ * be returned, which should be treated as a lack of
+ * support for the specified {@link Locale}.
+ *
+ * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
+ * @since 1.6
+ */
+public abstract class CurrencyNameProvider
+  extends LocaleServiceProvider
+{
+
+  /**
+   * Constructs a new {@link CurrencyNameProvider}.
+   * Provided for implicit invocation by subclasses.
+   */
+  protected CurrencyNameProvider()
+  {
+  }
+
+  /**
+   * <p>
+   * This method returns the symbol which precedes or follows a
+   * value in this particular currency.  The returned value is
+   * the symbol used to denote the currency in the specified locale.
+   * </p>
+   * <p>
+   * For example, a supplied locale may specify a different symbol
+   * for the currency, due to conflicts with its own currency.
+   * This would be the case with the American currency, the dollar.
+   * Locales that also use a dollar-based currency (e.g. Canada, Australia)
+   * need to differentiate the American dollar using 'US$' rather than '$'.
+   * So, supplying one of these locales to <code>getSymbol()</code> would
+   * return this value, rather than the standard '$'.
+   * </p>
+   * <p>
+   * In cases where there is no such symbol for a particular currency,
+   * <code>null</code> should be returned.
+   * </p>
+   *
+   * @param currencyCode the ISO 4217 currency code, consisting
+   *                     of three uppercase letters from 'A' to 'Z'
+   * @param locale the locale to express the symbol in.
+   * @return the currency symbol, or <code>null</code> if one is
+   *         unavailable.
+   * @throws NullPointerException if the locale is null.
+   * @throws IllegalArgumentException if the currency code is
+   *                                  not in the correct format
+   *                                  or the locale is not one
+   *                                  returned by
+   *                                  {@link getAvailableLocales()}
+   * @see java.util.Currency#getSymbol(java.util.Locale)
+   */
+  public abstract String getSymbol(String currencyCode, Locale locale);
+
+}