DecimalFormatSymbolsProvider.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.
 *
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package java.text.spi;

import java.text.DecimalFormatSymbols;
import java.util.Locale;
import java.util.spi.LocaleServiceProvider;

/**
 * An abstract class for service providers that
 * provide instances of the
 * {@link java.text.DecimalFormatSymbols DecimalFormatSymbols} class.
 *
 * <p>The requested {@code Locale} may contain an <a
 * href="../../util/Locale.html#def_locale_extension"> extension</a> for
 * specifying the desired numbering system. For example, {@code "ar-u-nu-arab"}
 * (in the BCP 47 language tag form) specifies Arabic with the Arabic-Indic
 * digits and symbols, while {@code "ar-u-nu-latn"} specifies Arabic with the
 * Latin digits and symbols. Refer to the <em>Unicode Locale Data Markup
 * Language (LDML)</em> specification for numbering systems.
 *
 * @since        1.6
 * @see Locale#forLanguageTag(String)
 * @see Locale#getExtension(char)
 */
public abstract class DecimalFormatSymbolsProvider extends LocaleServiceProvider {

    /**
     * Sole constructor.  (For invocation by subclass constructors, typically
     * implicit.)
     */
    protected DecimalFormatSymbolsProvider() {
    }

    /**
     * Returns a new {@code DecimalFormatSymbols} instance for the
     * specified locale.
     *
     * @param locale the desired locale
     * @throws    NullPointerException if {@code locale} is null
     * @throws    IllegalArgumentException if {@code locale} isn't
     *     one of the locales returned from
     *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()
     *     getAvailableLocales()}.
     * @return a {@code DecimalFormatSymbols} instance.
     * @see java.text.DecimalFormatSymbols#getInstance(java.util.Locale)
     */
    public abstract DecimalFormatSymbols getInstance(Locale locale);
}