Source Code Cross Referenced for CurrencyNameProvider.java in  » 6.0-JDK-Core » Collections-Jar-Zip-Logging-regex » java » util » spi » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Core » Collections Jar Zip Logging regex » java.util.spi 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001        /*
002         * Copyright 2005 Sun Microsystems, Inc.  All Rights Reserved.
003         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004         *
005         * This code is free software; you can redistribute it and/or modify it
006         * under the terms of the GNU General Public License version 2 only, as
007         * published by the Free Software Foundation.  Sun designates this
008         * particular file as subject to the "Classpath" exception as provided
009         * by Sun in the LICENSE file that accompanied this code.
010         *
011         * This code is distributed in the hope that it will be useful, but WITHOUT
012         * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013         * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
014         * version 2 for more details (a copy is included in the LICENSE file that
015         * accompanied this code).
016         *
017         * You should have received a copy of the GNU General Public License version
018         * 2 along with this work; if not, write to the Free Software Foundation,
019         * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020         *
021         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022         * CA 95054 USA or visit www.sun.com if you need additional information or
023         * have any questions.
024         */
025
026        package java.util.spi;
027
028        import java.util.Currency;
029        import java.util.Locale;
030
031        /**
032         * An abstract class for service providers that
033         * provide localized currency symbols and display names for the 
034         * {@link java.util.Currency Currency} class.
035         * Note that currency symbols are considered names when determining 
036         * behaviors described in the 
037         * {@link java.util.spi.LocaleServiceProvider LocaleServiceProvider} 
038         * specification.
039         *
040         * @since        1.6
041         * @version      @(#)CurrencyNameProvider.java	1.9 07/05/31
042         */
043        public abstract class CurrencyNameProvider extends
044                LocaleServiceProvider {
045
046            /**
047             * Sole constructor.  (For invocation by subclass constructors, typically
048             * implicit.)
049             */
050            protected CurrencyNameProvider() {
051            }
052
053            /**
054             * Gets the symbol of the given currency code for the specified locale.
055             * For example, for "USD" (US Dollar), the symbol is "$" if the specified
056             * locale is the US, while for other locales it may be "US$". If no
057             * symbol can be determined, null should be returned.
058             *
059             * @param currencyCode the ISO 4217 currency code, which
060             *     consists of three upper-case letters between 'A' (U+0041) and 
061             *     'Z' (U+005A)
062             * @param locale the desired locale
063             * @return the symbol of the given currency code for the specified locale, or null if
064             *     the symbol is not available for the locale
065             * @exception NullPointerException if <code>currencyCode</code> or 
066             *     <code>locale</code> is null
067             * @exception IllegalArgumentException if <code>currencyCode</code> is not in 
068             *     the form of three upper-case letters, or <code>locale</code> isn't
069             *     one of the locales returned from 
070             *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales() 
071             *     getAvailableLocales()}.
072             * @see java.util.Currency#getSymbol(java.util.Locale)
073             */
074            public abstract String getSymbol(String currencyCode, Locale locale);
075
076            /**
077             * Returns a name for the currency that is appropriate for display to the
078             * user.  The default implementation returns null.
079             *
080             * @param currencyCode the ISO 4217 currency code, which
081             *     consists of three upper-case letters between 'A' (U+0041) and 
082             *     'Z' (U+005A)
083             * @param locale the desired locale
084             * @return the name for the currency that is appropriate for display to the
085             *     user, or null if the name is not available for the locale
086             * @exception IllegalArgumentException if <code>currencyCode</code> is not in 
087             *     the form of three upper-case letters, or <code>locale</code> isn't
088             *     one of the locales returned from 
089             *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales() 
090             *     getAvailableLocales()}.
091             * @exception NullPointerException if <code>currencyCode</code> or
092             *     <code>locale</code> is <code>null</code>
093             * @since 1.7
094             */
095            public String getDisplayName(String currencyCode, Locale locale) {
096                if (currencyCode == null || locale == null) {
097                    throw new NullPointerException();
098                }
099
100                return null;
101            }
102        }
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