org.apache.poi.examples.xssf.usermodel.CalendarDemo Maven / Gradle / Ivy
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package org.apache.poi.examples.xssf.usermodel;
import java.io.FileOutputStream;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Map;
import org.apache.poi.ss.usermodel.BorderStyle;
import org.apache.poi.ss.usermodel.FillPatternType;
import org.apache.poi.ss.usermodel.HorizontalAlignment;
import org.apache.poi.ss.usermodel.PrintOrientation;
import org.apache.poi.ss.usermodel.VerticalAlignment;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.util.LocaleUtil;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFColor;
import org.apache.poi.xssf.usermodel.XSSFFont;
import org.apache.poi.xssf.usermodel.XSSFPrintSetup;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
/**
* A monthly calendar created using Apache POI. Each month is on a separate sheet.
* This is a version of org.apache.poi.ss.examples.CalendarDemo that demonstrates
* some XSSF features not available when using common HSSF-XSSF interfaces.
*
*
* Usage:
* CalendarDemo <year>
*
*/
public class CalendarDemo {
private static final String[] days = {
"Sunday", "Monday", "Tuesday",
"Wednesday", "Thursday", "Friday", "Saturday"};
private static final String[] months = {
"January", "February", "March","April", "May", "June","July", "August",
"September","October", "November", "December"};
public static void main(String[] args) throws Exception {
Calendar calendar = LocaleUtil.getLocaleCalendar();
if(args.length > 0) calendar.set(Calendar.YEAR, Integer.parseInt(args[0]));
int year = calendar.get(Calendar.YEAR);
try (XSSFWorkbook wb = new XSSFWorkbook()) {
Map styles = createStyles(wb);
for (int month = 0; month < 12; month++) {
calendar.set(Calendar.MONTH, month);
calendar.set(Calendar.DAY_OF_MONTH, 1);
//create a sheet for each month
XSSFSheet sheet = wb.createSheet(months[month]);
//turn off gridlines
sheet.setDisplayGridlines(false);
sheet.setPrintGridlines(false);
XSSFPrintSetup printSetup = sheet.getPrintSetup();
printSetup.setOrientation(PrintOrientation.LANDSCAPE);
sheet.setFitToPage(true);
sheet.setHorizontallyCenter(true);
//the header row: centered text in 48pt font
XSSFRow headerRow = sheet.createRow(0);
headerRow.setHeightInPoints(80);
XSSFCell titleCell = headerRow.createCell(0);
titleCell.setCellValue(months[month] + " " + year);
titleCell.setCellStyle(styles.get("title"));
sheet.addMergedRegion(CellRangeAddress.valueOf("$A$1:$N$1"));
//header with month titles
XSSFRow monthRow = sheet.createRow(1);
for (int i = 0; i < days.length; i++) {
//for compatibility with HSSF we have to set column width in units of 1/256th of a character width
sheet.setColumnWidth(i * 2, 5 * 256); //the column is 5 characters wide
sheet.setColumnWidth(i * 2 + 1, 13 * 256); //the column is 13 characters wide
sheet.addMergedRegion(new CellRangeAddress(1, 1, i * 2, i * 2 + 1));
XSSFCell monthCell = monthRow.createCell(i * 2);
monthCell.setCellValue(days[i]);
monthCell.setCellStyle(styles.get("month"));
}
int cnt = 1, day = 1;
int rownum = 2;
for (int j = 0; j < 6; j++) {
XSSFRow row = sheet.createRow(rownum++);
row.setHeightInPoints(100);
for (int i = 0; i < days.length; i++) {
XSSFCell dayCell_1 = row.createCell(i * 2);
XSSFCell dayCell_2 = row.createCell(i * 2 + 1);
int day_of_week = calendar.get(Calendar.DAY_OF_WEEK);
if (cnt >= day_of_week && calendar.get(Calendar.MONTH) == month) {
dayCell_1.setCellValue(day);
calendar.set(Calendar.DAY_OF_MONTH, ++day);
if (i == 0 || i == days.length - 1) {
dayCell_1.setCellStyle(styles.get("weekend_left"));
dayCell_2.setCellStyle(styles.get("weekend_right"));
} else {
dayCell_1.setCellStyle(styles.get("workday_left"));
dayCell_2.setCellStyle(styles.get("workday_right"));
}
} else {
dayCell_1.setCellStyle(styles.get("grey_left"));
dayCell_2.setCellStyle(styles.get("grey_right"));
}
cnt++;
}
if (calendar.get(Calendar.MONTH) > month) break;
}
}
// Write the output to a file
try (FileOutputStream out = new FileOutputStream("calendar-" + year + ".xlsx")) {
wb.write(out);
}
}
}
/**
* cell styles used for formatting calendar sheets
*/
private static Map createStyles(XSSFWorkbook wb){
Map styles = new HashMap<>();
XSSFCellStyle style;
XSSFFont titleFont = wb.createFont();
titleFont.setFontHeightInPoints((short)48);
titleFont.setColor(new XSSFColor(new java.awt.Color(39, 51, 89), wb.getStylesSource().getIndexedColors()));
style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
style.setFont(titleFont);
styles.put("title", style);
XSSFFont monthFont = wb.createFont();
monthFont.setFontHeightInPoints((short)12);
monthFont.setColor(new XSSFColor(new java.awt.Color(255, 255, 255), wb.getStylesSource().getIndexedColors()));
monthFont.setBold(true);
style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
style.setFillForegroundColor(new XSSFColor(new java.awt.Color(39, 51, 89), wb.getStylesSource().getIndexedColors()));
style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
style.setFont(monthFont);
styles.put("month", style);
XSSFFont dayFont = wb.createFont();
dayFont.setFontHeightInPoints((short)14);
dayFont.setBold(true);
style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.LEFT);
style.setVerticalAlignment(VerticalAlignment.TOP);
style.setFillForegroundColor(new XSSFColor(new java.awt.Color(228, 232, 243), wb.getStylesSource().getIndexedColors()));
style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
style.setBorderLeft(BorderStyle.THIN);
style.setLeftBorderColor(new XSSFColor(new java.awt.Color(39, 51, 89), wb.getStylesSource().getIndexedColors()));
style.setBorderBottom(BorderStyle.THIN);
style.setBottomBorderColor(new XSSFColor(new java.awt.Color(39, 51, 89), wb.getStylesSource().getIndexedColors()));
style.setFont(dayFont);
styles.put("weekend_left", style);
style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.TOP);
style.setFillForegroundColor(new XSSFColor(new java.awt.Color(228, 232, 243), wb.getStylesSource().getIndexedColors()));
style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
style.setBorderRight(BorderStyle.THIN);
style.setRightBorderColor(new XSSFColor(new java.awt.Color(39, 51, 89), wb.getStylesSource().getIndexedColors()));
style.setBorderBottom(BorderStyle.THIN);
style.setBottomBorderColor(new XSSFColor(new java.awt.Color(39, 51, 89), wb.getStylesSource().getIndexedColors()));
styles.put("weekend_right", style);
style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.LEFT);
style.setVerticalAlignment(VerticalAlignment.TOP);
style.setBorderLeft(BorderStyle.THIN);
style.setFillForegroundColor(new XSSFColor(new java.awt.Color(255, 255, 255), wb.getStylesSource().getIndexedColors()));
style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
style.setLeftBorderColor(new XSSFColor(new java.awt.Color(39, 51, 89), wb.getStylesSource().getIndexedColors()));
style.setBorderBottom(BorderStyle.THIN);
style.setBottomBorderColor(new XSSFColor(new java.awt.Color(39, 51, 89), wb.getStylesSource().getIndexedColors()));
style.setFont(dayFont);
styles.put("workday_left", style);
style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.TOP);
style.setFillForegroundColor(new XSSFColor(new java.awt.Color(255, 255, 255), wb.getStylesSource().getIndexedColors()));
style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
style.setBorderRight(BorderStyle.THIN);
style.setRightBorderColor(new XSSFColor(new java.awt.Color(39, 51, 89), wb.getStylesSource().getIndexedColors()));
style.setBorderBottom(BorderStyle.THIN);
style.setBottomBorderColor(new XSSFColor(new java.awt.Color(39, 51, 89), wb.getStylesSource().getIndexedColors()));
styles.put("workday_right", style);
style = wb.createCellStyle();
style.setBorderLeft(BorderStyle.THIN);
style.setFillForegroundColor(new XSSFColor(new java.awt.Color(234, 234, 234), wb.getStylesSource().getIndexedColors()));
style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
style.setBorderBottom(BorderStyle.THIN);
style.setBottomBorderColor(new XSSFColor(new java.awt.Color(39, 51, 89), wb.getStylesSource().getIndexedColors()));
styles.put("grey_left", style);
style = wb.createCellStyle();
style.setFillForegroundColor(new XSSFColor(new java.awt.Color(234, 234, 234), wb.getStylesSource().getIndexedColors()));
style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
style.setBorderRight(BorderStyle.THIN);
style.setRightBorderColor(new XSSFColor(new java.awt.Color(39, 51, 89), wb.getStylesSource().getIndexedColors()));
style.setBorderBottom(BorderStyle.THIN);
style.setBottomBorderColor(new XSSFColor(new java.awt.Color(39, 51, 89), wb.getStylesSource().getIndexedColors()));
styles.put("grey_right", style);
return styles;
}
}