1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/*
* ====================================================================
* 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 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 junit.framework.TestCase;
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.TempFile;
public final class TestDateFormatConverter extends TestCase {
private void outputLocaleDataFormats( Date date, boolean dates, boolean times, int style, String styleName ) throws Exception {
Workbook workbook = new HSSFWorkbook();
try {
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 + ", having locales: " +
Arrays.toString(DateFormat.getAvailableLocales()), e);
}
}
File outputFile = TempFile.createTempFile("Locale" + sheetName + styleName, ".xlsx");
FileOutputStream outputStream = new FileOutputStream(outputFile);
try {
workbook.write(outputStream);
} finally {
outputStream.close();
}
System.out.println("Open " + outputFile.getAbsolutePath()+" in Excel");
} finally {
workbook.close();
}
}
public 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" );
}
public 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(""));
}
}
|