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15 package org.htmlunit.javascript.host.intl;
16
17 import java.text.DecimalFormat;
18 import java.text.DecimalFormatSymbols;
19 import java.util.HashMap;
20 import java.util.Locale;
21 import java.util.Map;
22 import java.util.concurrent.ConcurrentHashMap;
23
24 import org.htmlunit.BrowserVersion;
25 import org.htmlunit.corejs.javascript.Context;
26 import org.htmlunit.corejs.javascript.Function;
27 import org.htmlunit.corejs.javascript.FunctionObject;
28 import org.htmlunit.corejs.javascript.NativeArray;
29 import org.htmlunit.corejs.javascript.Scriptable;
30 import org.htmlunit.javascript.HtmlUnitScriptable;
31 import org.htmlunit.javascript.JavaScriptEngine;
32 import org.htmlunit.javascript.configuration.JsxClass;
33 import org.htmlunit.javascript.configuration.JsxConstructor;
34 import org.htmlunit.javascript.configuration.JsxFunction;
35 import org.htmlunit.javascript.host.Window;
36 import org.htmlunit.util.StringUtils;
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43
44 @JsxClass
45 public class NumberFormat extends HtmlUnitScriptable {
46
47 private static final ConcurrentHashMap<String, String> CHROME_FORMATS_ = new ConcurrentHashMap<>();
48 private static final ConcurrentHashMap<String, String> EDGE_FORMATS_ = new ConcurrentHashMap<>();
49 private static final ConcurrentHashMap<String, String> FF_FORMATS_ = new ConcurrentHashMap<>();
50 private static final ConcurrentHashMap<String, String> FF_ESR_FORMATS_ = new ConcurrentHashMap<>();
51
52 private transient NumberFormatHelper formatter_;
53
54 static {
55 final Map<String, String> commonFormats = new HashMap<>();
56 commonFormats.put("", "");
57 commonFormats.put("ar", "\u066c\u066b\u0660");
58 commonFormats.put("ar-DZ", ".,");
59 commonFormats.put("ar-LY", ".,");
60 commonFormats.put("ar-MA", ".,");
61 commonFormats.put("ar-TN", ".,");
62 commonFormats.put("id", ".,");
63 commonFormats.put("de-AT", "\u00a0");
64 commonFormats.put("de-CH", "\u2019");
65 commonFormats.put("en-ZA", "\u00a0,");
66 commonFormats.put("es-CR", "\u00a0,");
67 commonFormats.put("fr-LU", ".,");
68 commonFormats.put("hi-IN", ",.0");
69 commonFormats.put("it-CH", "\u2019");
70 commonFormats.put("pt-PT", "\u00a0,");
71 commonFormats.put("sq", "\u00a0,");
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73 commonFormats.put("ar-AE", ",.0");
74 commonFormats.put("fr", "\u202f,");
75 commonFormats.put("fr-CA", "\u00a0,");
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77 commonFormats.put("ar", ",.0");
78 commonFormats.put("ar-BH", "\u066c\u066b\u0660");
79 commonFormats.put("ar-EG", "\u066c\u066b\u0660");
80 commonFormats.put("ar-IQ", "\u066c\u066b\u0660");
81 commonFormats.put("ar-JO", "\u066c\u066b\u0660");
82 commonFormats.put("ar-KW", "\u066c\u066b\u0660");
83 commonFormats.put("ar-LB", "\u066c\u066b\u0660");
84 commonFormats.put("ar-OM", "\u066c\u066b\u0660");
85 commonFormats.put("ar-QA", "\u066c\u066b\u0660");
86 commonFormats.put("ar-SA", "\u066c\u066b\u0660");
87 commonFormats.put("ar-SD", "\u066c\u066b\u0660");
88 commonFormats.put("ar-SY", "\u066c\u066b\u0660");
89 commonFormats.put("ar-YE", "\u066c\u066b\u0660");
90
91 FF_FORMATS_.putAll(commonFormats);
92 FF_ESR_FORMATS_.putAll(commonFormats);
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94 commonFormats.put("be", ",.");
95 commonFormats.put("en-ZA", ",.");
96 commonFormats.put("mk", ",.");
97 commonFormats.put("is", ",.");
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99 CHROME_FORMATS_.putAll(commonFormats);
100 CHROME_FORMATS_.put("sq", ",.");
101
102 EDGE_FORMATS_.putAll(commonFormats);
103 }
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108 public NumberFormat() {
109 super();
110 }
111
112 private NumberFormat(final String[] locales, final BrowserVersion browserVersion) {
113 super();
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115 final Map<String, String> formats;
116 if (browserVersion.isChrome()) {
117 formats = CHROME_FORMATS_;
118 }
119 else if (browserVersion.isEdge()) {
120 formats = EDGE_FORMATS_;
121 }
122 else if (browserVersion.isFirefoxESR()) {
123 formats = FF_ESR_FORMATS_;
124 }
125 else {
126 formats = FF_FORMATS_;
127 }
128
129 String locale = "";
130 String pattern = null;
131
132 for (final String l : locales) {
133 pattern = getPattern(formats, l);
134 if (pattern != null) {
135 locale = l;
136 }
137 }
138
139 if (pattern == null) {
140 pattern = formats.get("");
141 if (locales.length > 0) {
142 locale = locales[0];
143 }
144 }
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146 formatter_ = new NumberFormatHelper(locale, browserVersion, pattern);
147 }
148
149 private static String getPattern(final Map<String, String> formats, final String locale) {
150 if ("no-NO-NY".equals(locale)) {
151 throw JavaScriptEngine.rangeError("Invalid language tag: " + locale);
152 }
153 String pattern = formats.get(locale);
154 if (pattern == null && locale.indexOf('-') != -1) {
155 pattern = formats.get(locale.substring(0, locale.indexOf('-')));
156 }
157 return pattern;
158 }
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169 @JsxConstructor
170 public static Scriptable jsConstructor(final Context cx, final Scriptable scope,
171 final Object[] args, final Function ctorObj, final boolean inNewExpr) {
172 final String[] locales;
173 if (args.length == 0) {
174 locales = new String[] {""};
175 }
176 else {
177 if (args[0] instanceof NativeArray) {
178 final NativeArray array = (NativeArray) args[0];
179 locales = new String[(int) array.getLength()];
180 for (int i = 0; i < locales.length; i++) {
181 locales[i] = JavaScriptEngine.toString(array.get(i));
182 }
183 }
184 else {
185 locales = new String[] {JavaScriptEngine.toString(args[0])};
186 }
187 }
188 final Window window = getWindow(ctorObj);
189 final NumberFormat format = new NumberFormat(locales, window.getBrowserVersion());
190 format.setParentScope(window);
191 format.setPrototype(((FunctionObject) ctorObj).getClassPrototype());
192 return format;
193 }
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200 @JsxFunction
201 public String format(final Object object) {
202 final double number = JavaScriptEngine.toNumber(object);
203 return formatter_.format(number);
204 }
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209
210 @JsxFunction
211 public Scriptable resolvedOptions() {
212 return Context.getCurrentContext().newObject(getParentScope());
213 }
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217
218 static final class NumberFormatHelper {
219 private final DecimalFormat formatter_;
220
221 NumberFormatHelper(final String localeName, final BrowserVersion browserVersion, final String pattern) {
222 Locale locale = browserVersion.getBrowserLocale();
223 if (!StringUtils.isEmptyOrNull(localeName)) {
224 locale = Locale.forLanguageTag(localeName);
225 }
226
227 final DecimalFormatSymbols symbols = new DecimalFormatSymbols(locale);
228
229 if (pattern.length() > 0) {
230 final char groupingSeparator = pattern.charAt(0);
231 if (groupingSeparator != ' ') {
232 symbols.setGroupingSeparator(groupingSeparator);
233 }
234
235 if (pattern.length() > 1) {
236 final char decimalSeparator = pattern.charAt(1);
237 if (decimalSeparator != ' ') {
238 symbols.setDecimalSeparator(decimalSeparator);
239 }
240
241 if (pattern.length() > 2) {
242 final char zeroDigit = pattern.charAt(2);
243 if (zeroDigit != ' ') {
244 symbols.setZeroDigit(zeroDigit);
245 }
246 }
247 }
248 }
249
250 formatter_ = new DecimalFormat("#,##0.###", symbols);
251 }
252
253 String format(final double number) {
254 return formatter_.format(number);
255 }
256 }
257 }