1 /*
2 * Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
27 * (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved
28 * (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved
29 *
30 * The original version of this source code and documentation is copyrighted
31 * and owned by Taligent, Inc., a wholly-owned subsidiary of IBM. These
32 * materials are provided under terms of a License Agreement between Taligent
33 * and Sun. This technology is protected by multiple US and International
34 * patents. This notice and attribution to Taligent may not be removed.
35 * Taligent is a registered trademark of Taligent, Inc.
36 *
37 */
38
39 package java.text;
40
41 import java.io.IOException;
42 import java.io.ObjectInputStream;
43 import java.io.Serializable;
44 import java.text.spi.DecimalFormatSymbolsProvider;
45 import java.util.Currency;
46 import java.util.Locale;
47 import java.util.ResourceBundle;
48 import java.util.concurrent.ConcurrentHashMap;
49
50 import sun.util.LocaleServiceProviderPool;
51 import sun.util.resources.LocaleData;
52
53 /**
54 * This class represents the set of symbols (such as the decimal separator,
55 * the grouping separator, and so on) needed by <code>DecimalFormat</code>
56 * to format numbers. <code>DecimalFormat</code> creates for itself an instance of
57 * <code>DecimalFormatSymbols</code> from its locale data. If you need to change any
58 * of these symbols, you can get the <code>DecimalFormatSymbols</code> object from
59 * your <code>DecimalFormat</code> and modify it.
60 *
61 * @see java.util.Locale
62 * @see DecimalFormat
63 * @author Mark Davis
64 * @author Alan Liu
65 */
66
67 public class DecimalFormatSymbols implements Cloneable, Serializable {
68
69 /**
70 * Create a DecimalFormatSymbols object for the default locale.
71 * This constructor can only construct instances for the locales
72 * supported by the Java runtime environment, not for those
73 * supported by installed
74 * {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider}
75 * implementations. For full locale coverage, use the
76 * {@link #getInstance(Locale) getInstance} method.
77 */
78 public DecimalFormatSymbols() {
79 initialize( Locale.getDefault(Locale.Category.FORMAT) );
80 }
81
82 /**
83 * Create a DecimalFormatSymbols object for the given locale.
84 * This constructor can only construct instances for the locales
85 * supported by the Java runtime environment, not for those
86 * supported by installed
87 * {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider}
88 * implementations. For full locale coverage, use the
89 * {@link #getInstance(Locale) getInstance} method.
90 *
91 * @exception NullPointerException if <code>locale</code> is null
92 */
93 public DecimalFormatSymbols( Locale locale ) {
94 initialize( locale );
95 }
96
97 /**
98 * Returns an array of all locales for which the
99 * <code>getInstance</code> methods of this class can return
100 * localized instances.
101 * The returned array represents the union of locales supported by the Java
102 * runtime and by installed
103 * {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider}
104 * implementations. It must contain at least a <code>Locale</code>
105 * instance equal to {@link java.util.Locale#US Locale.US}.
106 *
107 * @return An array of locales for which localized
108 * <code>DecimalFormatSymbols</code> instances are available.
109 * @since 1.6
118 * Gets the <code>DecimalFormatSymbols</code> instance for the default
119 * locale. This method provides access to <code>DecimalFormatSymbols</code>
120 * instances for locales supported by the Java runtime itself as well
121 * as for those supported by installed
122 * {@link java.text.spi.DecimalFormatSymbolsProvider
123 * DecimalFormatSymbolsProvider} implementations.
124 * @return a <code>DecimalFormatSymbols</code> instance.
125 * @since 1.6
126 */
127 public static final DecimalFormatSymbols getInstance() {
128 return getInstance(Locale.getDefault(Locale.Category.FORMAT));
129 }
130
131 /**
132 * Gets the <code>DecimalFormatSymbols</code> instance for the specified
133 * locale. This method provides access to <code>DecimalFormatSymbols</code>
134 * instances for locales supported by the Java runtime itself as well
135 * as for those supported by installed
136 * {@link java.text.spi.DecimalFormatSymbolsProvider
137 * DecimalFormatSymbolsProvider} implementations.
138 * @param locale the desired locale.
139 * @return a <code>DecimalFormatSymbols</code> instance.
140 * @exception NullPointerException if <code>locale</code> is null
141 * @since 1.6
142 */
143 public static final DecimalFormatSymbols getInstance(Locale locale) {
144
145 // Check whether a provider can provide an implementation that's closer
146 // to the requested locale than what the Java runtime itself can provide.
147 LocaleServiceProviderPool pool =
148 LocaleServiceProviderPool.getPool(DecimalFormatSymbolsProvider.class);
149 if (pool.hasProviders()) {
150 DecimalFormatSymbols providersInstance = pool.getLocalizedObject(
151 DecimalFormatSymbolsGetter.INSTANCE, locale);
152 if (providersInstance != null) {
153 return providersInstance;
154 }
155 }
156
157 return new DecimalFormatSymbols(locale);
158 }
159
160 /**
161 * Gets the character used for zero. Different for Arabic, etc.
162 */
163 public char getZeroDigit() {
164 return zeroDigit;
165 }
166
167 /**
168 * Sets the character used for zero. Different for Arabic, etc.
169 */
170 public void setZeroDigit(char zeroDigit) {
171 this.zeroDigit = zeroDigit;
172 }
173
174 /**
175 * Gets the character used for thousands separator. Different for French, etc.
176 */
177 public char getGroupingSeparator() {
178 return groupingSeparator;
179 }
457 * @exception NullPointerException if <code>exp</code> is null
458 * @see #getExponentSeparator()
459 * @since 1.6
460 */
461 public void setExponentSeparator(String exp)
462 {
463 if (exp == null) {
464 throw new NullPointerException();
465 }
466 exponentialSeparator = exp;
467 }
468
469
470 //------------------------------------------------------------
471 // END Package Private methods ... to be made public later
472 //------------------------------------------------------------
473
474 /**
475 * Standard override.
476 */
477 public Object clone() {
478 try {
479 return (DecimalFormatSymbols)super.clone();
480 // other fields are bit-copied
481 } catch (CloneNotSupportedException e) {
482 throw new InternalError(e);
483 }
484 }
485
486 /**
487 * Override equals.
488 */
489 public boolean equals(Object obj) {
490 if (obj == null) return false;
491 if (this == obj) return true;
492 if (getClass() != obj.getClass()) return false;
493 DecimalFormatSymbols other = (DecimalFormatSymbols) obj;
494 return (zeroDigit == other.zeroDigit &&
495 groupingSeparator == other.groupingSeparator &&
496 decimalSeparator == other.decimalSeparator &&
497 percent == other.percent &&
498 perMill == other.perMill &&
499 digit == other.digit &&
500 minusSign == other.minusSign &&
501 patternSeparator == other.patternSeparator &&
502 infinity.equals(other.infinity) &&
503 NaN.equals(other.NaN) &&
504 currencySymbol.equals(other.currencySymbol) &&
505 intlCurrencySymbol.equals(other.intlCurrencySymbol) &&
506 currency == other.currency &&
507 monetarySeparator == other.monetarySeparator &&
508 exponentialSeparator.equals(other.exponentialSeparator) &&
509 locale.equals(other.locale));
510 }
511
512 /**
513 * Override hashCode.
514 */
515 public int hashCode() {
516 int result = zeroDigit;
517 result = result * 37 + groupingSeparator;
518 result = result * 37 + decimalSeparator;
519 return result;
520 }
521
522 /**
523 * Initializes the symbols from the FormatData resource bundle.
524 */
525 private void initialize( Locale locale ) {
526 this.locale = locale;
527
528 // get resource bundle data - try the cache first
529 boolean needCacheUpdate = false;
530 Object[] data = cachedLocaleData.get(locale);
531 if (data == null) { /* cache miss */
532 // When numbering system is thai (Locale's extension contains u-nu-thai),
533 // we read the data from th_TH_TH.
534 Locale lookupLocale = locale;
535 String numberType = locale.getUnicodeLocaleType("nu");
536 if (numberType != null && numberType.equals("thai")) {
537 lookupLocale = new Locale("th", "TH", "TH");
538 }
539 data = new Object[3];
540 ResourceBundle rb = LocaleData.getNumberFormatData(lookupLocale);
541 data[0] = rb.getStringArray("NumberElements");
542 needCacheUpdate = true;
543 }
544
545 String[] numberElements = (String[]) data[0];
546
547 decimalSeparator = numberElements[0].charAt(0);
548 groupingSeparator = numberElements[1].charAt(0);
549 patternSeparator = numberElements[2].charAt(0);
550 percent = numberElements[3].charAt(0);
551 zeroDigit = numberElements[4].charAt(0); //different for Arabic,etc.
552 digit = numberElements[5].charAt(0);
553 minusSign = numberElements[6].charAt(0);
554 exponential = numberElements[7].charAt(0);
555 exponentialSeparator = numberElements[7]; //string representation new since 1.6
556 perMill = numberElements[8].charAt(0);
557 infinity = numberElements[9];
558 NaN = numberElements[10];
559
560 // Try to obtain the currency used in the locale's country.
561 // Check for empty country string separately because it's a valid
562 // country ID for Locale (and used for the C locale), but not a valid
563 // ISO 3166 country code, and exceptions are expensive.
564 if (!"".equals(locale.getCountry())) {
565 try {
566 currency = Currency.getInstance(locale);
567 } catch (IllegalArgumentException e) {
568 // use default values below for compatibility
569 }
570 }
571 if (currency != null) {
572 intlCurrencySymbol = currency.getCurrencyCode();
573 if (data[1] != null && data[1] == intlCurrencySymbol) {
574 currencySymbol = (String) data[2];
575 } else {
576 currencySymbol = currency.getSymbol(locale);
577 data[1] = intlCurrencySymbol;
578 data[2] = currencySymbol;
579 needCacheUpdate = true;
580 }
581 } else {
582 // default values
583 intlCurrencySymbol = "XXX";
584 try {
796 * <li><b>1</b>: Versions written by JDK 1.1.6 or later, which include
797 * two new fields: <code>monetarySeparator</code> and <code>exponential</code>.
798 * <li><b>2</b>: Versions written by J2SE 1.4 or later, which include a
799 * new <code>locale</code> field.
800 * <li><b>3</b>: Versions written by J2SE 1.6 or later, which include a
801 * new <code>exponentialSeparator</code> field.
802 * </ul>
803 * When streaming out a <code>DecimalFormatSymbols</code>, the most recent format
804 * (corresponding to the highest allowable <code>serialVersionOnStream</code>)
805 * is always written.
806 *
807 * @serial
808 * @since JDK 1.1.6
809 */
810 private int serialVersionOnStream = currentSerialVersion;
811
812 /**
813 * cache to hold the NumberElements and the Currency
814 * of a Locale.
815 */
816 private static final ConcurrentHashMap<Locale, Object[]> cachedLocaleData = new ConcurrentHashMap<Locale, Object[]>(3);
817
818 /**
819 * Obtains a DecimalFormatSymbols instance from a DecimalFormatSymbolsProvider
820 * implementation.
821 */
822 private static class DecimalFormatSymbolsGetter
823 implements LocaleServiceProviderPool.LocalizedObjectGetter<DecimalFormatSymbolsProvider,
824 DecimalFormatSymbols> {
825 private static final DecimalFormatSymbolsGetter INSTANCE =
826 new DecimalFormatSymbolsGetter();
827
828 public DecimalFormatSymbols getObject(
829 DecimalFormatSymbolsProvider decimalFormatSymbolsProvider,
830 Locale locale,
831 String key,
832 Object... params) {
833 assert params.length == 0;
834 return decimalFormatSymbolsProvider.getInstance(locale);
835 }
836 }
837 }
|
1 /*
2 * Copyright (c) 1996, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
27 * (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved
28 * (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved
29 *
30 * The original version of this source code and documentation is copyrighted
31 * and owned by Taligent, Inc., a wholly-owned subsidiary of IBM. These
32 * materials are provided under terms of a License Agreement between Taligent
33 * and Sun. This technology is protected by multiple US and International
34 * patents. This notice and attribution to Taligent may not be removed.
35 * Taligent is a registered trademark of Taligent, Inc.
36 *
37 */
38
39 package java.text;
40
41 import java.io.IOException;
42 import java.io.ObjectInputStream;
43 import java.io.Serializable;
44 import java.text.spi.DecimalFormatSymbolsProvider;
45 import java.util.Currency;
46 import java.util.Locale;
47 import java.util.MissingResourceException;
48 import java.util.ResourceBundle;
49 import java.util.concurrent.ConcurrentHashMap;
50 import java.util.concurrent.ConcurrentMap;
51 import sun.util.locale.provider.LocaleProviderAdapter;
52 import sun.util.locale.provider.LocaleServiceProviderPool;
53
54 /**
55 * This class represents the set of symbols (such as the decimal separator,
56 * the grouping separator, and so on) needed by <code>DecimalFormat</code>
57 * to format numbers. <code>DecimalFormat</code> creates for itself an instance of
58 * <code>DecimalFormatSymbols</code> from its locale data. If you need to change any
59 * of these symbols, you can get the <code>DecimalFormatSymbols</code> object from
60 * your <code>DecimalFormat</code> and modify it.
61 *
62 * @see java.util.Locale
63 * @see DecimalFormat
64 * @author Mark Davis
65 * @author Alan Liu
66 */
67
68 public class DecimalFormatSymbols implements Cloneable, Serializable {
69
70 /**
71 * Create a DecimalFormatSymbols object for the default locale.
72 * This constructor can only construct instances for the locales
73 * supported by the Java runtime environment, not for those
74 * supported by installed
75 * {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider}
76 * implementations. For full locale coverage, use the
77 * {@link #getInstance(Locale) getInstance} method.
78 */
79 public DecimalFormatSymbols() {
80 initialize( Locale.getDefault(Locale.Category.FORMAT) );
81 }
82
83 /**
84 * Create a DecimalFormatSymbols object for the given locale.
85 * This constructor can only construct instances for the locales
86 * supported by the Java runtime environment, not for those
87 * supported by installed
88 * {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider}
89 * implementations. For full locale coverage, use the
90 * {@link #getInstance(Locale) getInstance} method.
91 * If the specified locale contains the {@link java.util.Locale#UNICODE_LOCALE_EXTENSION}
92 * for the numbering system, the instance is initialized with the specified numbering
93 * system if the JRE implementation supports it. For example,
94 * <pre>
95 * NumberFormat.getNumberInstance(Locale.forLanguageTag("th-TH-u-nu-thai"))
96 * </pre>
97 * This may return a {@code NumberFormat} instance with the Thai numbering system,
98 * instead of the Latin numbering system.
99 *
100 * @exception NullPointerException if <code>locale</code> is null
101 */
102 public DecimalFormatSymbols( Locale locale ) {
103 initialize( locale );
104 }
105
106 /**
107 * Returns an array of all locales for which the
108 * <code>getInstance</code> methods of this class can return
109 * localized instances.
110 * The returned array represents the union of locales supported by the Java
111 * runtime and by installed
112 * {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider}
113 * implementations. It must contain at least a <code>Locale</code>
114 * instance equal to {@link java.util.Locale#US Locale.US}.
115 *
116 * @return An array of locales for which localized
117 * <code>DecimalFormatSymbols</code> instances are available.
118 * @since 1.6
127 * Gets the <code>DecimalFormatSymbols</code> instance for the default
128 * locale. This method provides access to <code>DecimalFormatSymbols</code>
129 * instances for locales supported by the Java runtime itself as well
130 * as for those supported by installed
131 * {@link java.text.spi.DecimalFormatSymbolsProvider
132 * DecimalFormatSymbolsProvider} implementations.
133 * @return a <code>DecimalFormatSymbols</code> instance.
134 * @since 1.6
135 */
136 public static final DecimalFormatSymbols getInstance() {
137 return getInstance(Locale.getDefault(Locale.Category.FORMAT));
138 }
139
140 /**
141 * Gets the <code>DecimalFormatSymbols</code> instance for the specified
142 * locale. This method provides access to <code>DecimalFormatSymbols</code>
143 * instances for locales supported by the Java runtime itself as well
144 * as for those supported by installed
145 * {@link java.text.spi.DecimalFormatSymbolsProvider
146 * DecimalFormatSymbolsProvider} implementations.
147 * If the specified locale contains the {@link java.util.Locale#UNICODE_LOCALE_EXTENSION}
148 * for the numbering system, the instance is initialized with the specified numbering
149 * system if the JRE implementation supports it. For example,
150 * <pre>
151 * NumberFormat.getNumberInstance(Locale.forLanguageTag("th-TH-u-nu-thai"))
152 * </pre>
153 * This may return a {@code NumberFormat} instance with the Thai numbering system,
154 * instead of the Latin numbering system.
155 * @param locale the desired locale.
156 * @return a <code>DecimalFormatSymbols</code> instance.
157 * @exception NullPointerException if <code>locale</code> is null
158 * @since 1.6
159 */
160 public static final DecimalFormatSymbols getInstance(Locale locale) {
161 LocaleProviderAdapter adapter;
162 adapter = LocaleProviderAdapter.getAdapter(DecimalFormatSymbolsProvider.class, locale);
163 DecimalFormatSymbolsProvider provider = adapter.getDecimalFormatSymbolsProvider();
164 DecimalFormatSymbols dfsyms = provider.getInstance(locale);
165 if (dfsyms == null) {
166 provider = LocaleProviderAdapter.forJRE().getDecimalFormatSymbolsProvider();
167 dfsyms = provider.getInstance(locale);
168 }
169 return dfsyms;
170 }
171
172 /**
173 * Gets the character used for zero. Different for Arabic, etc.
174 */
175 public char getZeroDigit() {
176 return zeroDigit;
177 }
178
179 /**
180 * Sets the character used for zero. Different for Arabic, etc.
181 */
182 public void setZeroDigit(char zeroDigit) {
183 this.zeroDigit = zeroDigit;
184 }
185
186 /**
187 * Gets the character used for thousands separator. Different for French, etc.
188 */
189 public char getGroupingSeparator() {
190 return groupingSeparator;
191 }
469 * @exception NullPointerException if <code>exp</code> is null
470 * @see #getExponentSeparator()
471 * @since 1.6
472 */
473 public void setExponentSeparator(String exp)
474 {
475 if (exp == null) {
476 throw new NullPointerException();
477 }
478 exponentialSeparator = exp;
479 }
480
481
482 //------------------------------------------------------------
483 // END Package Private methods ... to be made public later
484 //------------------------------------------------------------
485
486 /**
487 * Standard override.
488 */
489 @Override
490 public Object clone() {
491 try {
492 return (DecimalFormatSymbols)super.clone();
493 // other fields are bit-copied
494 } catch (CloneNotSupportedException e) {
495 throw new InternalError(e);
496 }
497 }
498
499 /**
500 * Override equals.
501 */
502 @Override
503 public boolean equals(Object obj) {
504 if (obj == null) return false;
505 if (this == obj) return true;
506 if (getClass() != obj.getClass()) return false;
507 DecimalFormatSymbols other = (DecimalFormatSymbols) obj;
508 return (zeroDigit == other.zeroDigit &&
509 groupingSeparator == other.groupingSeparator &&
510 decimalSeparator == other.decimalSeparator &&
511 percent == other.percent &&
512 perMill == other.perMill &&
513 digit == other.digit &&
514 minusSign == other.minusSign &&
515 patternSeparator == other.patternSeparator &&
516 infinity.equals(other.infinity) &&
517 NaN.equals(other.NaN) &&
518 currencySymbol.equals(other.currencySymbol) &&
519 intlCurrencySymbol.equals(other.intlCurrencySymbol) &&
520 currency == other.currency &&
521 monetarySeparator == other.monetarySeparator &&
522 exponentialSeparator.equals(other.exponentialSeparator) &&
523 locale.equals(other.locale));
524 }
525
526 /**
527 * Override hashCode.
528 */
529 @Override
530 public int hashCode() {
531 int result = zeroDigit;
532 result = result * 37 + groupingSeparator;
533 result = result * 37 + decimalSeparator;
534 return result;
535 }
536
537 /**
538 * Initializes the symbols from the FormatData resource bundle.
539 */
540 private void initialize( Locale locale ) {
541 this.locale = locale;
542
543 // get resource bundle data - try the cache first
544 boolean needCacheUpdate = false;
545 Object[] data = cachedLocaleData.get(locale);
546 if (data == null) { /* cache miss */
547 LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DecimalFormatSymbolsProvider.class, locale);
548 // Avoid potential recursions
549 switch (adapter.getAdapterType()) {
550 case HOST:
551 case SPI:
552 adapter = LocaleProviderAdapter.getResourceBundleBased();
553 break;
554 }
555 ResourceBundle rb = adapter.getLocaleData().getNumberFormatData(locale);
556 data = new Object[3];
557 String numberType = locale.getUnicodeLocaleType("nu");
558 StringBuilder numElemKey =
559 new StringBuilder(numberType != null ?
560 numberType : rb.getString("DefaultNumberingSystem"));
561 if (numElemKey.length() != 0) {
562 numElemKey.append(".");
563 }
564 numElemKey.append("NumberElements");
565 try {
566 data[0] = rb.getStringArray(numElemKey.toString());
567 } catch (MissingResourceException mre) {
568 // numberType must be bogus. Use the last resort numbering system.
569 data[0] = rb.getStringArray("NumberElements");
570 }
571 needCacheUpdate = true;
572 }
573
574 String[] numberElements = (String[]) data[0];
575
576 decimalSeparator = numberElements[0].charAt(0);
577 groupingSeparator = numberElements[1].charAt(0);
578 patternSeparator = numberElements[2].charAt(0);
579 percent = numberElements[3].charAt(0);
580 zeroDigit = numberElements[4].charAt(0); //different for Arabic,etc.
581 digit = numberElements[5].charAt(0);
582 minusSign = numberElements[6].charAt(0);
583 exponential = numberElements[7].charAt(0);
584 exponentialSeparator = numberElements[7]; //string representation new since 1.6
585 perMill = numberElements[8].charAt(0);
586 infinity = numberElements[9];
587 NaN = numberElements[10];
588
589 // Try to obtain the currency used in the locale's country.
590 // Check for empty country string separately because it's a valid
591 // country ID for Locale (and used for the C locale), but not a valid
592 // ISO 3166 country code, and exceptions are expensive.
593 if (locale.getCountry().length() > 0) {
594 try {
595 currency = Currency.getInstance(locale);
596 } catch (IllegalArgumentException e) {
597 // use default values below for compatibility
598 }
599 }
600 if (currency != null) {
601 intlCurrencySymbol = currency.getCurrencyCode();
602 if (data[1] != null && data[1] == intlCurrencySymbol) {
603 currencySymbol = (String) data[2];
604 } else {
605 currencySymbol = currency.getSymbol(locale);
606 data[1] = intlCurrencySymbol;
607 data[2] = currencySymbol;
608 needCacheUpdate = true;
609 }
610 } else {
611 // default values
612 intlCurrencySymbol = "XXX";
613 try {
825 * <li><b>1</b>: Versions written by JDK 1.1.6 or later, which include
826 * two new fields: <code>monetarySeparator</code> and <code>exponential</code>.
827 * <li><b>2</b>: Versions written by J2SE 1.4 or later, which include a
828 * new <code>locale</code> field.
829 * <li><b>3</b>: Versions written by J2SE 1.6 or later, which include a
830 * new <code>exponentialSeparator</code> field.
831 * </ul>
832 * When streaming out a <code>DecimalFormatSymbols</code>, the most recent format
833 * (corresponding to the highest allowable <code>serialVersionOnStream</code>)
834 * is always written.
835 *
836 * @serial
837 * @since JDK 1.1.6
838 */
839 private int serialVersionOnStream = currentSerialVersion;
840
841 /**
842 * cache to hold the NumberElements and the Currency
843 * of a Locale.
844 */
845 private static final ConcurrentMap<Locale, Object[]> cachedLocaleData
846 = new ConcurrentHashMap<>(3);
847 }
|