poi/src/examples/src/org/apache/poi/hssf/usermodel/examples/BigExample.java

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   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
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       http://www.apache.org/licenses/LICENSE-2.0

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   distributed under the License is distributed on an "AS IS" BASIS,
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   See the License for the specific language governing permissions and
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package org.apache.poi.hssf.usermodel.examples;

import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFDataFormat;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.util.HSSFColor.HSSFColorPredefined;
import org.apache.poi.ss.usermodel.BorderStyle;
import org.apache.poi.ss.usermodel.FillPatternType;

/**
 * Demonstrates many features of the user API at once.  Used in the HOW-TO guide.
 */
public class BigExample {
    public static void main(String[] args) throws IOException {
        int rownum;

        // create a new file
        FileOutputStream out = new FileOutputStream("workbook.xls");
        // create a new workbook
        HSSFWorkbook wb = new HSSFWorkbook();
        // create a new sheet
        HSSFSheet s = wb.createSheet();
        // declare a row object reference
        HSSFRow r = null;
        // declare a cell object reference
        HSSFCell c = null;
        // create 3 cell styles
        HSSFCellStyle cs = wb.createCellStyle();
        HSSFCellStyle cs2 = wb.createCellStyle();
        HSSFCellStyle cs3 = wb.createCellStyle();
        // create 2 fonts objects
        HSSFFont f = wb.createFont();
        HSSFFont f2 = wb.createFont();

        //set font 1 to 12 point type
        f.setFontHeightInPoints((short) 12);
        //make it red
        f.setColor(HSSFColorPredefined.RED.getIndex());
        // make it bold
        //arial is the default font
        f.setBold(true);

        //set font 2 to 10 point type
        f2.setFontHeightInPoints((short) 10);
        //make it the color at palette index 0xf (white)
        f2.setColor(HSSFColorPredefined.WHITE.getIndex());
        //make it bold
        f2.setBold(true);

        //set cell stlye
        cs.setFont(f);
        //set the cell format see HSSFDataFromat for a full list
        cs.setDataFormat(HSSFDataFormat.getBuiltinFormat("($#,##0_);[Red]($#,##0)"));

        //set a thin border
        cs2.setBorderBottom(BorderStyle.THIN);
        //fill w fg fill color
        cs2.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        // set foreground fill to red
        cs2.setFillForegroundColor(HSSFColorPredefined.RED.getIndex());

        // set the font
        cs2.setFont(f2);

        // set the sheet name to HSSF Test
        wb.setSheetName(0, "HSSF Test");
        // create a sheet with 300 rows (0-299)
        for (rownum = 0; rownum < 300; rownum++)
        {
            // create a row
            r = s.createRow(rownum);
            // on every other row
            if ((rownum % 2) == 0)
            {
                // make the row height bigger  (in twips - 1/20 of a point)
                r.setHeight((short) 0x249);
            }

            //r.setRowNum(( short ) rownum);
            // create 50 cells (0-49) (the += 2 becomes apparent later
            for (int cellnum = 0; cellnum < 50; cellnum += 2)
            {
                // create a numeric cell
                c = r.createCell(cellnum);
                // do some goofy math to demonstrate decimals
                c.setCellValue(rownum * 10000 + cellnum
                        + (((double) rownum / 1000)
                        + ((double) cellnum / 10000)));

                // on every other row
                if ((rownum % 2) == 0)
                {
                    // set this cell to the first cell style we defined
                    c.setCellStyle(cs);
                }

                // create a string cell (see why += 2 in the
                c = r.createCell(cellnum + 1);

                // set the cell's string value to "TEST"
                c.setCellValue("TEST");
                // make this column a bit wider
                s.setColumnWidth(cellnum + 1, (int)((50 * 8) / ((double) 1 / 20)));

                // on every other row
                if ((rownum % 2) == 0)
                {
                    // set this to the white on red cell style
                    // we defined above
                    c.setCellStyle(cs2);
                }

            }
        }

        //draw a thick black border on the row at the bottom using BLANKS
        // advance 2 rows
        rownum++;
        rownum++;

        r = s.createRow(rownum);

        // define the third style to be the default
        // except with a thick black border at the bottom
        cs3.setBorderBottom(BorderStyle.THICK);

        //create 50 cells
        for (int cellnum =0; cellnum < 50; cellnum++) {
            //create a blank type cell (no value)
            c = r.createCell(cellnum);
            // set it to the thick black border style
            c.setCellStyle(cs3);
        }

        //end draw thick black border


        // demonstrate adding/naming and deleting a sheet
        // create a sheet, set its title then delete it
        wb.createSheet();
        wb.setSheetName(1, "DeletedSheet");
        wb.removeSheetAt(1);
        //end deleted sheet

        // write the workbook to the output stream
        // close our file (don't blow out our file handles
        wb.write(out);
        out.close();
        wb.close();
    }
}