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
52 import sun.util.locale.provider.LocaleProviderAdapter;
53 import sun.util.locale.provider.LocaleServiceProviderPool;
54
55 /**
56 * This class represents the set of symbols (such as the decimal separator,
57 * the grouping separator, and so on) needed by <code>DecimalFormat</code>
58 * to format numbers. <code>DecimalFormat</code> creates for itself an instance of
59 * <code>DecimalFormatSymbols</code> from its locale data. If you need to change any
60 * of these symbols, you can get the <code>DecimalFormatSymbols</code> object from
61 * your <code>DecimalFormat</code> and modify it.
62 *
63 * @see java.util.Locale
64 * @see DecimalFormat
65 * @author Mark Davis
66 * @author Alan Liu
67 */
68
69 public class DecimalFormatSymbols implements Cloneable, Serializable {
70
71 /**
72 * Create a DecimalFormatSymbols object for the default locale.
73 * This constructor can only construct instances for the locales
74 * supported by the Java runtime environment, not for those
75 * supported by installed
76 * {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider}
77 * implementations. For full locale coverage, use the
78 * {@link #getInstance(Locale) getInstance} method.
79 */
80 public DecimalFormatSymbols() {
81 initialize( Locale.getDefault(Locale.Category.FORMAT) );
82 }
83
84 /**
85 * Create a DecimalFormatSymbols object for the given locale.
86 * This constructor can only construct instances for the locales
87 * supported by the Java runtime environment, not for those
88 * supported by installed
89 * {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider}
90 * implementations. For full locale coverage, use the
91 * {@link #getInstance(Locale) getInstance} method.
92 * If the specified locale contains the {@link java.util.Locale#UNICODE_LOCALE_EXTENSION}
93 * for the numbering system, the instance is initialized with the specified numbering
94 * system if the JRE implementation supports it. For example,
95 * <pre>
96 * NumberFormat.getNumberInstance(Locale.forLanguageTag("th-TH-u-nu-thai"))
97 * </pre>
98 * This may return a {@code NumberFormat} instance with the Thai numbering system,
99 * instead of the Latin numbering system.
100 *
101 * @exception NullPointerException if <code>locale</code> is null
102 */
103 public DecimalFormatSymbols( Locale locale ) {
104 initialize( locale );
105 }
106
107 /**
108 * Returns an array of all locales for which the
109 * <code>getInstance</code> methods of this class can return
110 * localized instances.
111 * The returned array represents the union of locales supported by the Java
112 * runtime and by installed
113 * {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider}
114 * implementations. It must contain at least a <code>Locale</code>
115 * instance equal to {@link java.util.Locale#US Locale.US}.
116 *
117 * @return An array of locales for which localized
118 * <code>DecimalFormatSymbols</code> instances are available.
119 * @since 1.6
128 * Gets the <code>DecimalFormatSymbols</code> instance for the default
129 * locale. This method provides access to <code>DecimalFormatSymbols</code>
130 * instances for locales supported by the Java runtime itself as well
131 * as for those supported by installed
132 * {@link java.text.spi.DecimalFormatSymbolsProvider
133 * DecimalFormatSymbolsProvider} implementations.
134 * @return a <code>DecimalFormatSymbols</code> instance.
135 * @since 1.6
136 */
137 public static final DecimalFormatSymbols getInstance() {
138 return getInstance(Locale.getDefault(Locale.Category.FORMAT));
139 }
140
141 /**
142 * Gets the <code>DecimalFormatSymbols</code> instance for the specified
143 * locale. This method provides access to <code>DecimalFormatSymbols</code>
144 * instances for locales supported by the Java runtime itself as well
145 * as for those supported by installed
146 * {@link java.text.spi.DecimalFormatSymbolsProvider
147 * DecimalFormatSymbolsProvider} implementations.
148 * If the specified locale contains the {@link java.util.Locale#UNICODE_LOCALE_EXTENSION}
149 * for the numbering system, the instance is initialized with the specified numbering
150 * system if the JRE implementation supports it. For example,
151 * <pre>
152 * NumberFormat.getNumberInstance(Locale.forLanguageTag("th-TH-u-nu-thai"))
153 * </pre>
154 * This may return a {@code NumberFormat} instance with the Thai numbering system,
155 * instead of the Latin numbering system.
156 * @param locale the desired locale.
157 * @return a <code>DecimalFormatSymbols</code> instance.
158 * @exception NullPointerException if <code>locale</code> is null
159 * @since 1.6
160 */
161 public static final DecimalFormatSymbols getInstance(Locale locale) {
162 LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DecimalFormatSymbolsProvider.class, locale);
163 DecimalFormatSymbolsProvider provider = adapter.getLocaleServiceProvider(DecimalFormatSymbolsProvider.class);
164 return provider.getInstance(locale);
165 }
166
167 /**
168 * Gets the character used for zero. Different for Arabic, etc.
169 */
170 public char getZeroDigit() {
171 return zeroDigit;
172 }
173
174 /**
175 * Sets the character used for zero. Different for Arabic, etc.
176 */
177 public void setZeroDigit(char zeroDigit) {
178 this.zeroDigit = zeroDigit;
179 }
180
181 /**
182 * Gets the character used for thousands separator. Different for French, etc.
183 */
184 public char getGroupingSeparator() {
185 return groupingSeparator;
186 }
464 * @exception NullPointerException if <code>exp</code> is null
465 * @see #getExponentSeparator()
466 * @since 1.6
467 */
468 public void setExponentSeparator(String exp)
469 {
470 if (exp == null) {
471 throw new NullPointerException();
472 }
473 exponentialSeparator = exp;
474 }
475
476
477 //------------------------------------------------------------
478 // END Package Private methods ... to be made public later
479 //------------------------------------------------------------
480
481 /**
482 * Standard override.
483 */
484 @Override
485 public Object clone() {
486 try {
487 return (DecimalFormatSymbols)super.clone();
488 // other fields are bit-copied
489 } catch (CloneNotSupportedException e) {
490 throw new InternalError(e);
491 }
492 }
493
494 /**
495 * Override equals.
496 */
497 @Override
498 public boolean equals(Object obj) {
499 if (obj == null) return false;
500 if (this == obj) return true;
501 if (getClass() != obj.getClass()) return false;
502 DecimalFormatSymbols other = (DecimalFormatSymbols) obj;
503 return (zeroDigit == other.zeroDigit &&
504 groupingSeparator == other.groupingSeparator &&
505 decimalSeparator == other.decimalSeparator &&
506 percent == other.percent &&
507 perMill == other.perMill &&
508 digit == other.digit &&
509 minusSign == other.minusSign &&
510 patternSeparator == other.patternSeparator &&
511 infinity.equals(other.infinity) &&
512 NaN.equals(other.NaN) &&
513 currencySymbol.equals(other.currencySymbol) &&
514 intlCurrencySymbol.equals(other.intlCurrencySymbol) &&
515 currency == other.currency &&
516 monetarySeparator == other.monetarySeparator &&
517 exponentialSeparator.equals(other.exponentialSeparator) &&
518 locale.equals(other.locale));
519 }
520
521 /**
522 * Override hashCode.
523 */
524 @Override
525 public int hashCode() {
526 int result = zeroDigit;
527 result = result * 37 + groupingSeparator;
528 result = result * 37 + decimalSeparator;
529 return result;
530 }
531
532 /**
533 * Initializes the symbols from the FormatData resource bundle.
534 */
535 private void initialize( Locale locale ) {
536 this.locale = locale;
537
538 // get resource bundle data - try the cache first
539 boolean needCacheUpdate = false;
540 Object[] data = cachedLocaleData.get(locale);
541 if (data == null) { /* cache miss */
542 LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DecimalFormatSymbolsProvider.class, locale);
543 // Avoid potential recursions
544 switch (adapter.getAdapterType()) {
545 case HOST:
546 case SPI:
547 adapter = LocaleProviderAdapter.getResourceBundleBased();
548 break;
549 }
550 ResourceBundle rb = adapter.getLocaleData().getNumberFormatData(locale);
551 data = new Object[3];
552 String numberType = locale.getUnicodeLocaleType("nu");
553 StringBuilder numElemKey =
554 new StringBuilder(numberType != null ?
555 numberType : rb.getString("DefaultNumberingSystem"));
556 if (numElemKey.length() != 0) {
557 numElemKey.append(".");
558 }
559 numElemKey.append("NumberElements");
560 try {
561 data[0] = rb.getStringArray(numElemKey.toString());
562 } catch (MissingResourceException mre) {
563 // numberType must be bogus. Use the last resort numbering system.
564 data[0] = rb.getStringArray("NumberElements");
565 }
566 needCacheUpdate = true;
567 }
568
569 String[] numberElements = (String[]) data[0];
570
571 decimalSeparator = numberElements[0].charAt(0);
572 groupingSeparator = numberElements[1].charAt(0);
573 patternSeparator = numberElements[2].charAt(0);
574 percent = numberElements[3].charAt(0);
575 zeroDigit = numberElements[4].charAt(0); //different for Arabic,etc.
576 digit = numberElements[5].charAt(0);
577 minusSign = numberElements[6].charAt(0);
578 exponential = numberElements[7].charAt(0);
579 exponentialSeparator = numberElements[7]; //string representation new since 1.6
580 perMill = numberElements[8].charAt(0);
581 infinity = numberElements[9];
582 NaN = numberElements[10];
583
584 // Try to obtain the currency used in the locale's country.
585 // Check for empty country string separately because it's a valid
586 // country ID for Locale (and used for the C locale), but not a valid
587 // ISO 3166 country code, and exceptions are expensive.
588 if (locale.getCountry().length() > 0) {
589 try {
590 currency = Currency.getInstance(locale);
591 } catch (IllegalArgumentException e) {
592 // use default values below for compatibility
593 }
594 }
595 if (currency != null) {
596 intlCurrencySymbol = currency.getCurrencyCode();
597 if (data[1] != null && data[1] == intlCurrencySymbol) {
598 currencySymbol = (String) data[2];
599 } else {
600 currencySymbol = currency.getSymbol(locale);
601 data[1] = intlCurrencySymbol;
602 data[2] = currencySymbol;
603 needCacheUpdate = true;
604 }
605 } else {
606 // default values
607 intlCurrencySymbol = "XXX";
608 try {
820 * <li><b>1</b>: Versions written by JDK 1.1.6 or later, which include
821 * two new fields: <code>monetarySeparator</code> and <code>exponential</code>.
822 * <li><b>2</b>: Versions written by J2SE 1.4 or later, which include a
823 * new <code>locale</code> field.
824 * <li><b>3</b>: Versions written by J2SE 1.6 or later, which include a
825 * new <code>exponentialSeparator</code> field.
826 * </ul>
827 * When streaming out a <code>DecimalFormatSymbols</code>, the most recent format
828 * (corresponding to the highest allowable <code>serialVersionOnStream</code>)
829 * is always written.
830 *
831 * @serial
832 * @since JDK 1.1.6
833 */
834 private int serialVersionOnStream = currentSerialVersion;
835
836 /**
837 * cache to hold the NumberElements and the Currency
838 * of a Locale.
839 */
840 private static final ConcurrentMap<Locale, Object[]> cachedLocaleData = new ConcurrentHashMap<>(3);
841 }
|