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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-DZ", ".,");
58 commonFormats.put("ar-LY", ".,");
59 commonFormats.put("ar-MA", ".,");
60 commonFormats.put("ar-TN", ".,");
61 commonFormats.put("id", ".,");
62 commonFormats.put("de-AT", "\u00a0");
63 commonFormats.put("de-CH", "\u2019");
64 commonFormats.put("en-ZA", "\u00a0,");
65 commonFormats.put("es-CR", "\u00a0,");
66 commonFormats.put("fr-LU", ".,");
67 commonFormats.put("hi-IN", ",.0");
68 commonFormats.put("it-CH", "\u2019");
69 commonFormats.put("pt-PT", "\u00a0,");
70 commonFormats.put("sq", "\u00a0,");
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72 commonFormats.put("ar-AE", ",.0");
73 commonFormats.put("fr", "\u202f,");
74 commonFormats.put("fr-CA", "\u00a0,");
75
76 commonFormats.put("ar", ",.0");
77 commonFormats.put("ar-BH", "\u066c\u066b\u0660");
78 commonFormats.put("ar-EG", "\u066c\u066b\u0660");
79 commonFormats.put("ar-IQ", "\u066c\u066b\u0660");
80 commonFormats.put("ar-JO", "\u066c\u066b\u0660");
81 commonFormats.put("ar-KW", "\u066c\u066b\u0660");
82 commonFormats.put("ar-LB", "\u066c\u066b\u0660");
83 commonFormats.put("ar-OM", "\u066c\u066b\u0660");
84 commonFormats.put("ar-QA", "\u066c\u066b\u0660");
85 commonFormats.put("ar-SA", "\u066c\u066b\u0660");
86 commonFormats.put("ar-SD", "\u066c\u066b\u0660");
87 commonFormats.put("ar-SY", "\u066c\u066b\u0660");
88 commonFormats.put("ar-YE", "\u066c\u066b\u0660");
89
90 FF_FORMATS_.putAll(commonFormats);
91 FF_ESR_FORMATS_.putAll(commonFormats);
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93 commonFormats.put("be", ",.");
94 commonFormats.put("mk", ",.");
95 commonFormats.put("is", ",.");
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97 CHROME_FORMATS_.putAll(commonFormats);
98 CHROME_FORMATS_.put("sq", ",.");
99
100 EDGE_FORMATS_.putAll(commonFormats);
101 }
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105
106 public NumberFormat() {
107 super();
108 }
109
110 private NumberFormat(final String[] locales, final BrowserVersion browserVersion) {
111 super();
112
113 final Map<String, String> formats;
114 if (browserVersion.isChrome()) {
115 formats = CHROME_FORMATS_;
116 }
117 else if (browserVersion.isEdge()) {
118 formats = EDGE_FORMATS_;
119 }
120 else if (browserVersion.isFirefoxESR()) {
121 formats = FF_ESR_FORMATS_;
122 }
123 else {
124 formats = FF_FORMATS_;
125 }
126
127 String locale = "";
128 String pattern = null;
129
130 for (final String l : locales) {
131 pattern = getPattern(formats, l);
132 if (pattern != null) {
133 locale = l;
134 }
135 }
136
137 if (pattern == null) {
138 pattern = formats.get("");
139 if (locales.length > 0) {
140 locale = locales[0];
141 }
142 }
143
144 formatter_ = new NumberFormatHelper(locale, browserVersion, pattern);
145 }
146
147 private static String getPattern(final Map<String, String> formats, final String locale) {
148 if ("no-NO-NY".equals(locale)) {
149 throw JavaScriptEngine.rangeError("Invalid language tag: " + locale);
150 }
151 String pattern = formats.get(locale);
152 if (pattern == null && locale.indexOf('-') != -1) {
153 pattern = formats.get(locale.substring(0, locale.indexOf('-')));
154 }
155 return pattern;
156 }
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167 @JsxConstructor
168 public static Scriptable jsConstructor(final Context cx, final Scriptable scope,
169 final Object[] args, final Function ctorObj, final boolean inNewExpr) {
170 final String[] locales;
171 if (args.length == 0) {
172 locales = new String[] {""};
173 }
174 else {
175 if (args[0] instanceof NativeArray) {
176 final NativeArray array = (NativeArray) args[0];
177 locales = new String[(int) array.getLength()];
178 for (int i = 0; i < locales.length; i++) {
179 locales[i] = JavaScriptEngine.toString(array.get(i));
180 }
181 }
182 else {
183 locales = new String[] {JavaScriptEngine.toString(args[0])};
184 }
185 }
186 final Window window = getWindow(ctorObj);
187 final NumberFormat format = new NumberFormat(locales, window.getBrowserVersion());
188 format.setParentScope(window);
189 format.setPrototype(((FunctionObject) ctorObj).getClassPrototype());
190 return format;
191 }
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198 @JsxFunction
199 public String format(final Object object) {
200 final double number = JavaScriptEngine.toNumber(object);
201 return formatter_.format(number);
202 }
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207
208 @JsxFunction
209 public Scriptable resolvedOptions() {
210 return Context.getCurrentContext().newObject(getParentScope());
211 }
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215
216 static final class NumberFormatHelper {
217 private final DecimalFormat formatter_;
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219 NumberFormatHelper(final String localeName, final BrowserVersion browserVersion, final String pattern) {
220 Locale locale = browserVersion.getBrowserLocale();
221 if (!StringUtils.isEmptyOrNull(localeName)) {
222 locale = Locale.forLanguageTag(localeName);
223 }
224
225 final DecimalFormatSymbols symbols = new DecimalFormatSymbols(locale);
226
227 if (pattern.length() > 0) {
228 final char groupingSeparator = pattern.charAt(0);
229 if (groupingSeparator != ' ') {
230 symbols.setGroupingSeparator(groupingSeparator);
231 }
232
233 if (pattern.length() > 1) {
234 final char decimalSeparator = pattern.charAt(1);
235 if (decimalSeparator != ' ') {
236 symbols.setDecimalSeparator(decimalSeparator);
237 }
238
239 if (pattern.length() > 2) {
240 final char zeroDigit = pattern.charAt(2);
241 if (zeroDigit != ' ') {
242 symbols.setZeroDigit(zeroDigit);
243 }
244 }
245 }
246 }
247
248 formatter_ = new DecimalFormat("#,##0.###", symbols);
249 }
250
251 String format(final double number) {
252 return formatter_.format(number);
253 }
254 }
255 }