0N/A/*
3307N/A * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A/*
0N/A *
0N/A */
0N/A
0N/Apackage com.foo;
0N/A
0N/Aimport java.text.*;
0N/Aimport java.text.spi.*;
0N/Aimport java.util.*;
0N/A
0N/Aimport com.foobar.Utils;
0N/A
0N/Apublic class NumberFormatProviderImpl extends NumberFormatProvider {
0N/A
0N/A static Locale[] avail = {
0N/A Locale.JAPAN,
0N/A new Locale("ja", "JP", "osaka"),
0N/A new Locale("ja", "JP", "kyoto"),
0N/A new Locale("zz")};
0N/A
0N/A static String[] dialect = {
0N/A "\u3067\u3059\u3002",
0N/A "\u3084\u3002",
0N/A "\u3069\u3059\u3002",
0N/A "-zz"
0N/A };
0N/A
0N/A static String[] patterns = {
0N/A "#,##0.###{0};-#,##0.###{1}", // decimal pattern
3307N/A "#{0};(#){1}", // integer pattern
0N/A "\u00A4#,##0{0};-\u00A4#,##0{1}", // currency pattern
0N/A "#,##0%{0}" // percent pattern
0N/A };
0N/A // Constants used by factory methods to specify a style of format.
0N/A static final int NUMBERSTYLE = 0;
3307N/A static final int INTEGERSTYLE = 1;
3307N/A static final int CURRENCYSTYLE = 2;
3307N/A static final int PERCENTSTYLE = 3;
0N/A
0N/A public Locale[] getAvailableLocales() {
0N/A return avail;
0N/A }
0N/A
0N/A public NumberFormat getCurrencyInstance(Locale locale) {
0N/A for (int i = 0; i < avail.length; i ++) {
0N/A if (Utils.supportsLocale(avail[i], locale)) {
0N/A String pattern =
0N/A MessageFormat.format(patterns[CURRENCYSTYLE],
0N/A dialect[i],
0N/A dialect[i]);
3307N/A FooNumberFormat nf = new FooNumberFormat(pattern,
0N/A DecimalFormatSymbols.getInstance(locale));
3307N/A adjustForCurrencyDefaultFractionDigits(nf);
3307N/A return nf;
0N/A }
0N/A }
0N/A throw new IllegalArgumentException("locale is not supported: "+locale);
0N/A }
0N/A
0N/A public NumberFormat getIntegerInstance(Locale locale) {
0N/A for (int i = 0; i < avail.length; i ++) {
0N/A if (Utils.supportsLocale(avail[i], locale)) {
0N/A String pattern =
3307N/A MessageFormat.format(patterns[INTEGERSTYLE],
0N/A dialect[i],
0N/A dialect[i]);
3307N/A FooNumberFormat nf = new FooNumberFormat(pattern,
0N/A DecimalFormatSymbols.getInstance(locale));
3307N/A nf.setMaximumFractionDigits(0);
3307N/A nf.setDecimalSeparatorAlwaysShown(false);
3307N/A nf.setParseIntegerOnly(true);
3307N/A return nf;
0N/A }
0N/A }
0N/A throw new IllegalArgumentException("locale is not supported: "+locale);
0N/A }
0N/A
0N/A public NumberFormat getNumberInstance(Locale locale) {
0N/A for (int i = 0; i < avail.length; i ++) {
0N/A if (Utils.supportsLocale(avail[i], locale)) {
0N/A String pattern =
0N/A MessageFormat.format(patterns[NUMBERSTYLE],
0N/A dialect[i],
0N/A dialect[i]);
3307N/A return new FooNumberFormat(pattern,
0N/A DecimalFormatSymbols.getInstance(locale));
0N/A }
0N/A }
0N/A throw new IllegalArgumentException("locale is not supported: "+locale);
0N/A }
0N/A
0N/A public NumberFormat getPercentInstance(Locale locale) {
0N/A for (int i = 0; i < avail.length; i ++) {
0N/A if (Utils.supportsLocale(avail[i], locale)) {
0N/A String pattern =
0N/A MessageFormat.format(patterns[PERCENTSTYLE],
0N/A dialect[i]);
3307N/A return new FooNumberFormat(pattern,
0N/A DecimalFormatSymbols.getInstance(locale));
0N/A }
0N/A }
0N/A throw new IllegalArgumentException("locale is not supported: "+locale);
0N/A }
0N/A
0N/A /**
0N/A * Adjusts the minimum and maximum fraction digits to values that
0N/A * are reasonable for the currency's default fraction digits.
0N/A */
3307N/A void adjustForCurrencyDefaultFractionDigits(FooNumberFormat nf) {
3307N/A DecimalFormatSymbols dfs = nf.getDecimalFormatSymbols();
0N/A Currency currency = dfs.getCurrency();
0N/A if (currency == null) {
0N/A try {
0N/A currency = Currency.getInstance(dfs.getInternationalCurrencySymbol());
0N/A } catch (IllegalArgumentException e) {
0N/A }
0N/A }
0N/A if (currency != null) {
0N/A int digits = currency.getDefaultFractionDigits();
0N/A if (digits != -1) {
3307N/A int oldMinDigits = nf.getMinimumFractionDigits();
0N/A // Common patterns are "#.##", "#.00", "#".
0N/A // Try to adjust all of them in a reasonable way.
3307N/A if (oldMinDigits == nf.getMaximumFractionDigits()) {
3307N/A nf.setMinimumFractionDigits(digits);
3307N/A nf.setMaximumFractionDigits(digits);
0N/A } else {
3307N/A nf.setMinimumFractionDigits(Math.min(digits, oldMinDigits));
3307N/A nf.setMaximumFractionDigits(digits);
0N/A }
0N/A }
0N/A }
0N/A }
0N/A}