131 lines
5.5 KiB
Java
131 lines
5.5 KiB
Java
/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ====================================================================
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*/
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package org.apache.poi.ss.util;
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import junit.framework.TestCase;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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import org.apache.poi.ss.usermodel.*;
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import org.apache.poi.util.TempFile;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Locale;
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public final class TestDateFormatConverter extends TestCase {
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private void outputLocaleDataFormats( Date date, boolean dates, boolean times, int style, String styleName ) throws Exception {
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Workbook workbook = new HSSFWorkbook();
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String sheetName;
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if( dates ) {
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if( times ) {
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sheetName = "DateTimes";
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} else {
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sheetName = "Dates";
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}
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} else {
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sheetName = "Times";
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}
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Sheet sheet = workbook.createSheet(sheetName);
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Row header = sheet.createRow(0);
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header.createCell(0).setCellValue("locale");
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header.createCell(1).setCellValue("DisplayName");
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header.createCell(2).setCellValue("Excel " + styleName);
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header.createCell(3).setCellValue("java.text.DateFormat");
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header.createCell(4).setCellValue("Equals");
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header.createCell(5).setCellValue("Java pattern");
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header.createCell(6).setCellValue("Excel pattern");
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int rowNum = 1;
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for( Locale locale : DateFormat.getAvailableLocales() ) {
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Row row = sheet.createRow(rowNum++);
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row.createCell(0).setCellValue(locale.toString());
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row.createCell(1).setCellValue(locale.getDisplayName());
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DateFormat dateFormat;
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if( dates ) {
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if( times ) {
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dateFormat = DateFormat.getDateTimeInstance(style, style, locale);
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} else {
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dateFormat = DateFormat.getDateInstance(style, locale);
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}
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} else {
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dateFormat = DateFormat.getTimeInstance(style, locale);
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}
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Cell cell = row.createCell(2);
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cell.setCellValue(date);
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CellStyle cellStyle = row.getSheet().getWorkbook().createCellStyle();
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String javaDateFormatPattern = ((SimpleDateFormat)dateFormat).toPattern();
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String excelFormatPattern = DateFormatConverter.convert(locale, javaDateFormatPattern);
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DataFormat poiFormat = row.getSheet().getWorkbook().createDataFormat();
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cellStyle.setDataFormat(poiFormat.getFormat(excelFormatPattern));
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row.createCell(3).setCellValue(dateFormat.format(date));
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cell.setCellStyle(cellStyle);
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// the formula returns TRUE is the formatted date in column C equals to the string in column D
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row.createCell(4).setCellFormula("TEXT(C"+rowNum+",G"+rowNum+")=D" + rowNum);
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row.createCell(5).setCellValue(javaDateFormatPattern);
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row.createCell(6).setCellValue(excelFormatPattern);
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}
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File outputFile = TempFile.createTempFile("Locale" + sheetName + styleName, ".xlsx");
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FileOutputStream outputStream = new FileOutputStream(outputFile);
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try {
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workbook.write(outputStream);
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} finally {
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outputStream.close();
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}
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System.out.println("Open " + outputFile.getAbsolutePath()+" in Excel");
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}
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public void testJavaDateFormatsInExcel() throws Exception {
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Date date = new Date();
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outputLocaleDataFormats(date, true, false, DateFormat.DEFAULT, "Default" );
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outputLocaleDataFormats(date, true, false, DateFormat.SHORT, "Short" );
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outputLocaleDataFormats(date, true, false, DateFormat.MEDIUM, "Medium" );
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outputLocaleDataFormats(date, true, false, DateFormat.LONG, "Long" );
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outputLocaleDataFormats(date, true, false, DateFormat.FULL, "Full" );
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outputLocaleDataFormats(date, true, true, DateFormat.DEFAULT, "Default" );
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outputLocaleDataFormats(date, true, true, DateFormat.SHORT, "Short" );
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outputLocaleDataFormats(date, true, true, DateFormat.MEDIUM, "Medium" );
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outputLocaleDataFormats(date, true, true, DateFormat.LONG, "Long" );
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outputLocaleDataFormats(date, true, true, DateFormat.FULL, "Full" );
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outputLocaleDataFormats(date, false, true, DateFormat.DEFAULT, "Default" );
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outputLocaleDataFormats(date, false, true, DateFormat.SHORT, "Short" );
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outputLocaleDataFormats(date, false, true, DateFormat.MEDIUM, "Medium" );
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outputLocaleDataFormats(date, false, true, DateFormat.LONG, "Long" );
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outputLocaleDataFormats(date, false, true, DateFormat.FULL, "Full" );
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}
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}
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