--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/share/classes/java/util/spi/CurrencyNameProvider.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.util.spi;
+
+import java.util.Arrays;
+import java.util.Currency;
+import java.util.List;
+import java.util.Locale;
+import java.util.ResourceBundle.Control;
+
+/**
+ * An abstract class for service providers that
+ * provide localized currency symbols and display names for the
+ * {@link java.util.Currency Currency} class.
+ * Note that currency symbols are considered names when determining
+ * behaviors described in the
+ * {@link java.util.spi.LocaleServiceProvider LocaleServiceProvider}
+ * specification.
+ *
+ * @since        1.6
+ */
+public abstract class CurrencyNameProvider extends LocaleServiceProvider {
+
+    /**
+     * Sole constructor.  (For invocation by subclass constructors, typically
+     * implicit.)
+     */
+    protected CurrencyNameProvider() {
+    }
+
+    /**
+     * Gets the symbol of the given currency code for the specified locale.
+     * For example, for "USD" (US Dollar), the symbol is "$" if the specified
+     * locale is the US, while for other locales it may be "US$". If no
+     * symbol can be determined, null should be returned.
+     *
+     * @param currencyCode the ISO 4217 currency code, which
+     *     consists of three upper-case letters between 'A' (U+0041) and
+     *     'Z' (U+005A)
+     * @param locale the desired locale
+     * @return the symbol of the given currency code for the specified locale, or null if
+     *     the symbol is not available for the locale
+     * @exception NullPointerException if <code>currencyCode</code> or
+     *     <code>locale</code> is null
+     * @exception IllegalArgumentException if <code>currencyCode</code> is not in
+     *     the form of three upper-case letters, or <code>locale</code> isn't
+     *     one of the locales returned from
+     *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()
+     *     getAvailableLocales()}.
+     * @see java.util.Currency#getSymbol(java.util.Locale)
+     */
+    public abstract String getSymbol(String currencyCode, Locale locale);
+
+    /**
+     * Returns a name for the currency that is appropriate for display to the
+     * user.  The default implementation returns null.
+     *
+     * @param currencyCode the ISO 4217 currency code, which
+     *     consists of three upper-case letters between 'A' (U+0041) and
+     *     'Z' (U+005A)
+     * @param locale the desired locale
+     * @return the name for the currency that is appropriate for display to the
+     *     user, or null if the name is not available for the locale
+     * @exception IllegalArgumentException if <code>currencyCode</code> is not in
+     *     the form of three upper-case letters, or <code>locale</code> isn't
+     *     one of the locales returned from
+     *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()
+     *     getAvailableLocales()}.
+     * @exception NullPointerException if <code>currencyCode</code> or
+     *     <code>locale</code> is <code>null</code>
+     * @since 1.7
+     */
+    public String getDisplayName(String currencyCode, Locale locale) {
+        if (currencyCode == null || locale == null) {
+            throw new NullPointerException();
+        }
+
+        // Check whether the currencyCode is valid
+        char[] charray = currencyCode.toCharArray();
+        if (charray.length != 3) {
+            throw new IllegalArgumentException("The currencyCode is not in the form of three upper-case letters.");
+        }
+        for (char c : charray) {
+            if (c < 'A' || c > 'Z') {
+                throw new IllegalArgumentException("The currencyCode is not in the form of three upper-case letters.");
+            }
+        }
+
+        // Check whether the locale is valid
+        Control c = Control.getNoFallbackControl(Control.FORMAT_DEFAULT);
+        for (Locale l : getAvailableLocales()) {
+            if (c.getCandidateLocales("", l).contains(locale)) {
+                return null;
+            }
+        }
+
+        throw new IllegalArgumentException("The locale is not available");
+    }
+}