/*

 * 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.

 *

 * 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.

 *

 */

/*

 *

 */

package com.foo;

import java.text.*;

import java.text.spi.*;

import java.util.*;

import com.foobar.Utils;

public class DecimalFormatSymbolsProviderImpl extends DecimalFormatSymbolsProvider {

    static Locale[] avail = {

        new Locale("ja", "JP", "osaka"),

        new Locale("ja", "JP", "kyoto"),

        Locale.JAPAN,

        new Locale("yy", "ZZ", "UUU")

    };

    static List<Locale> availList = Arrays.asList(avail);

    static String[] dialect = {

        "\u3084\u3002",

        "\u3069\u3059\u3002",

        "\u3067\u3059\u3002",

        "-yy-ZZ-UUU"

    };

    static HashMap<Locale, FooDecimalFormatSymbols> symbols = new HashMap<Locale, FooDecimalFormatSymbols>(4);

    public Locale[] getAvailableLocales() {

        return avail;

    }

    public DecimalFormatSymbols getInstance(Locale locale) {

        if (!Utils.supportsLocale(availList, locale)) {

            throw new IllegalArgumentException("locale is not supported: "+locale);

        }

        FooDecimalFormatSymbols fdfs = symbols.get(locale);

        if (fdfs == null) {

            for (int index = 0; index < avail.length; index ++) {

                if (Utils.supportsLocale(avail[index], locale)) {

                    fdfs = new FooDecimalFormatSymbols(index);

                    symbols.put(locale, fdfs);

                    break;

                }

            }

        }

        return fdfs;

    }

    class FooDecimalFormatSymbols extends DecimalFormatSymbols {

        String dialect = "";

        String infinity = null;

        String nan = null;

        public FooDecimalFormatSymbols(int index) {

            super(DecimalFormatSymbolsProviderImpl.this.avail[index]);

            dialect = DecimalFormatSymbolsProviderImpl.this.dialect[index];

        }

        // overrides methods only returns Strings

        public String getInfinity() {

            if (infinity == null) {

                infinity = super.getInfinity() + dialect;

            }

            return infinity;

        }

        public void setInfinity(String infinity) {

            this.infinity = infinity;

        }

        public String getNaN() {

            if (nan == null) {

                nan = super.getNaN() + dialect;

            }

            return nan;

        }

        public void setNaN(String nan) {

            this.nan = nan;

        }

    }

}