| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * ==================================================================== |
| */ |
| |
| package org.apache.poi.ss.util; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNotEquals; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.text.DateFormat; |
| import java.text.SimpleDateFormat; |
| import java.util.Arrays; |
| import java.util.Date; |
| import java.util.Locale; |
| import java.util.Set; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import org.apache.poi.hssf.usermodel.HSSFWorkbook; |
| import org.apache.poi.ss.usermodel.Cell; |
| import org.apache.poi.ss.usermodel.CellStyle; |
| import org.apache.poi.ss.usermodel.DataFormat; |
| import org.apache.poi.ss.usermodel.Row; |
| import org.apache.poi.ss.usermodel.Sheet; |
| import org.apache.poi.ss.usermodel.Workbook; |
| import org.apache.poi.util.LocaleID; |
| import org.apache.poi.util.TempFile; |
| import org.junit.jupiter.api.Test; |
| |
| final class TestDateFormatConverter { |
| private void outputLocaleDataFormats( Date date, boolean dates, boolean times, int style, String styleName ) throws Exception { |
| try (Workbook workbook = new HSSFWorkbook()) { |
| String sheetName; |
| if (dates) { |
| if (times) { |
| sheetName = "DateTimes"; |
| } else { |
| sheetName = "Dates"; |
| } |
| } else { |
| sheetName = "Times"; |
| } |
| Sheet sheet = workbook.createSheet(sheetName); |
| Row header = sheet.createRow(0); |
| header.createCell(0).setCellValue("locale"); |
| header.createCell(1).setCellValue("DisplayName"); |
| header.createCell(2).setCellValue("Excel " + styleName); |
| header.createCell(3).setCellValue("java.text.DateFormat"); |
| header.createCell(4).setCellValue("Equals"); |
| header.createCell(5).setCellValue("Java pattern"); |
| header.createCell(6).setCellValue("Excel pattern"); |
| |
| int rowNum = 1; |
| for (Locale locale : DateFormat.getAvailableLocales()) { |
| try { |
| Row row = sheet.createRow(rowNum++); |
| |
| row.createCell(0).setCellValue(locale.toString()); |
| row.createCell(1).setCellValue(locale.getDisplayName(Locale.ROOT)); |
| |
| DateFormat dateFormat; |
| if (dates) { |
| if (times) { |
| dateFormat = DateFormat.getDateTimeInstance(style, style, locale); |
| } else { |
| dateFormat = DateFormat.getDateInstance(style, locale); |
| } |
| } else { |
| dateFormat = DateFormat.getTimeInstance(style, locale); |
| } |
| |
| Cell cell = row.createCell(2); |
| |
| cell.setCellValue(date); |
| CellStyle cellStyle = row.getSheet().getWorkbook().createCellStyle(); |
| |
| String javaDateFormatPattern = ((SimpleDateFormat) dateFormat).toPattern(); |
| String excelFormatPattern = DateFormatConverter.convert(locale, javaDateFormatPattern); |
| |
| DataFormat poiFormat = row.getSheet().getWorkbook().createDataFormat(); |
| cellStyle.setDataFormat(poiFormat.getFormat(excelFormatPattern)); |
| row.createCell(3).setCellValue(dateFormat.format(date)); |
| |
| cell.setCellStyle(cellStyle); |
| |
| // the formula returns TRUE is the formatted date in column C equals to the string in column D |
| row.createCell(4).setCellFormula("TEXT(C" + rowNum + ",G" + rowNum + ")=D" + rowNum); |
| row.createCell(5).setCellValue(javaDateFormatPattern); |
| row.createCell(6).setCellValue(excelFormatPattern); |
| } catch (Exception e) { |
| throw new RuntimeException( |
| "Failed for locale: " + locale + " and style " + style + "\n" + |
| "Having locales: " + Arrays.toString(DateFormat.getAvailableLocales()), e); |
| } |
| } |
| |
| File outputFile = TempFile.createTempFile("Locale" + sheetName + styleName, ".xlsx"); |
| try (FileOutputStream outputStream = new FileOutputStream(outputFile)) { |
| workbook.write(outputStream); |
| } |
| |
| //System.out.println("Open " + outputFile.getAbsolutePath() + " in Excel"); |
| } |
| } |
| |
| @Test |
| void testJavaDateFormatsInExcel() throws Exception { |
| Date date = new Date(); |
| |
| outputLocaleDataFormats(date, true, false, DateFormat.DEFAULT, "Default" ); |
| outputLocaleDataFormats(date, true, false, DateFormat.SHORT, "Short" ); |
| outputLocaleDataFormats(date, true, false, DateFormat.MEDIUM, "Medium" ); |
| outputLocaleDataFormats(date, true, false, DateFormat.LONG, "Long" ); |
| outputLocaleDataFormats(date, true, false, DateFormat.FULL, "Full" ); |
| |
| outputLocaleDataFormats(date, true, true, DateFormat.DEFAULT, "Default" ); |
| outputLocaleDataFormats(date, true, true, DateFormat.SHORT, "Short" ); |
| outputLocaleDataFormats(date, true, true, DateFormat.MEDIUM, "Medium" ); |
| outputLocaleDataFormats(date, true, true, DateFormat.LONG, "Long" ); |
| outputLocaleDataFormats(date, true, true, DateFormat.FULL, "Full" ); |
| |
| outputLocaleDataFormats(date, false, true, DateFormat.DEFAULT, "Default" ); |
| outputLocaleDataFormats(date, false, true, DateFormat.SHORT, "Short" ); |
| outputLocaleDataFormats(date, false, true, DateFormat.MEDIUM, "Medium" ); |
| outputLocaleDataFormats(date, false, true, DateFormat.LONG, "Long" ); |
| outputLocaleDataFormats(date, false, true, DateFormat.FULL, "Full" ); |
| } |
| |
| @Test |
| void testJDK8EmptyLocale() { |
| // JDK 8 seems to add an empty locale-string to the list returned via DateFormat.getAvailableLocales() |
| // therefore we now cater for this special locale as well |
| DateFormatConverter.getPrefixForLocale(new Locale("")); |
| } |
| |
| @Test |
| void testJDK11MyLocale() { |
| DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT, Locale.forLanguageTag("my")); |
| } |
| |
| @Test |
| void testAllKnownLocales() { |
| Pattern p = Pattern.compile("\\[\\$-(\\p{XDigit}+)]"); |
| |
| Set<String> excludeList = Stream.of( |
| "sd-Deva", "tzm-Arab", "fuv", "plt", "yue", "tdd-Tale", "tdd", |
| "khb-Talu", "khb", "qps", "ja-Ploc", "dz", "tmz", "ar-Ploc" |
| ).collect(Collectors.toSet()); |
| |
| for (LocaleID lid : LocaleID.values()) { |
| final String langTag = lid.getLanguageTag(); |
| |
| if (langTag.isEmpty() || lid.getWindowsId().startsWith("invalid")) { |
| continue; |
| } |
| |
| // test all from variant to parent locales |
| String cmpTag = (langTag.indexOf('_') > 0) ? langTag.replace('_','-') : langTag; |
| for (int idx = langTag.length(); idx > 0; idx = cmpTag.lastIndexOf('-', idx-1)) { |
| final String partTag = langTag.substring(0, idx); |
| |
| Locale loc = Locale.forLanguageTag(partTag); |
| assertNotNull(loc, "Invalid language tag: "+partTag); |
| |
| if (excludeList.contains(partTag)) { |
| continue; |
| } |
| |
| String prefix = DateFormatConverter.getPrefixForLocale(loc); |
| assertNotNull(prefix, "Prefix not found - language tag: "+partTag); |
| assertNotEquals("", prefix, "Prefix not found - language tag: "+partTag); |
| Matcher m = p.matcher(prefix); |
| assertTrue(m.matches(), "Invalid prefix: "+prefix); |
| |
| LocaleID partLid = LocaleID.lookupByLanguageTag(partTag); |
| assertNotNull(partLid, "LocaleID not found for part: "+partTag); |
| assertEquals(partLid.getLcid(), Integer.parseInt(m.group(1), 16)); |
| } |
| } |
| } |
| } |