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Copy the old dev.HSSF example over to trunk, and put it in a more suitable place 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@829758 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2009-10-26 12:08:15 +00:00
parent 46441487c7
commit 6f73fa2971
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src/examples/src/org/apache/poi/hssf/usermodel/examples/HSSFReadWrite.java Normal file
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/* ====================================================================
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.hssf.examples.usermodel;
import java.io.FileInputStream;
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.HSSFRichTextString;
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.CellRangeAddress;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
/**
* File for HSSF testing/examples
*
* THIS IS NOT THE MAIN HSSF FILE!! This is a util for testing functionality.
* It does contain sample API usage that may be educational to regular API users.
*
* @see #main
* @author Andrew Oliver (acoliver at apache dot org)
*/
public class HSSFReadWrite
{
private String filename = null;
protected HSSFWorkbook hssfworkbook = null;
/**
* Constructor HSSFReadWrite - creates an HSSFStream from an InputStream. The HSSFStream
* reads in the records allowing modification.
*
*
* @param filename
*
* @exception IOException
*
*/
public HSSFReadWrite(String filename)
throws IOException
{
this.filename = filename;
POIFSFileSystem fs =
new POIFSFileSystem(new FileInputStream(filename));
hssfworkbook = new HSSFWorkbook(fs);
// records = RecordFactory.createRecords(stream);
}
/**
* Constructor HSSFReadWrite - given a filename this outputs a sample sheet with just
* a set of rows/cells.
*
*
* @param filename
* @param write
*
* @exception IOException
*
*/
public HSSFReadWrite(String filename, boolean write)
throws IOException
{
short rownum = 0;
FileOutputStream out = new FileOutputStream(filename);
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet s = wb.createSheet();
HSSFRow r = null;
HSSFCell c = null;
HSSFCellStyle cs = wb.createCellStyle();
HSSFCellStyle cs2 = wb.createCellStyle();
HSSFCellStyle cs3 = wb.createCellStyle();
HSSFFont f = wb.createFont();
HSSFFont f2 = wb.createFont();
f.setFontHeightInPoints(( short ) 12);
f.setColor(( short ) 0xA);
f.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
f2.setFontHeightInPoints(( short ) 10);
f2.setColor(( short ) 0xf);
f2.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
cs.setFont(f);
cs.setDataFormat(HSSFDataFormat.getBuiltinFormat("($#,##0_);[Red]($#,##0)"));
cs2.setBorderBottom(HSSFCellStyle.BORDER_THIN);
cs2.setFillPattern(( short ) 1); // fill w fg
cs2.setFillForegroundColor(( short ) 0xA);
cs2.setFont(f2);
wb.setSheetName(0, "HSSF Test");
for (rownum = ( short ) 0; rownum < 300; rownum++)
{
r = s.createRow(rownum);
if ((rownum % 2) == 0)
{
r.setHeight(( short ) 0x249);
}
// r.setRowNum(( short ) rownum);
for (short cellnum = ( short ) 0; cellnum < 50; cellnum += 2)
{
c = r.createCell(cellnum, HSSFCell.CELL_TYPE_NUMERIC);
c.setCellValue(rownum * 10000 + cellnum
+ ((( double ) rownum / 1000)
+ (( double ) cellnum / 10000)));
if ((rownum % 2) == 0)
{
c.setCellStyle(cs);
}
c = r.createCell(cellnum + 1,
HSSFCell.CELL_TYPE_STRING);
c.setCellValue(new HSSFRichTextString("TEST"));
s.setColumnWidth(cellnum + 1, (int)(50 * 8 / 0.05));
if ((rownum % 2) == 0)
{
c.setCellStyle(cs2);
}
} // 50 characters divided by 1/20th of a point
}
// draw a thick black border on the row at the bottom using BLANKS
rownum++;
rownum++;
r = s.createRow(rownum);
cs3.setBorderBottom(HSSFCellStyle.BORDER_THICK);
for (short cellnum = ( short ) 0; cellnum < 50; cellnum++)
{
c = r.createCell(cellnum, HSSFCell.CELL_TYPE_BLANK);
// c.setCellValue(0);
c.setCellStyle(cs3);
}
s.addMergedRegion(new CellRangeAddress(0, 3, 0, 3));
s.addMergedRegion(new CellRangeAddress(100, 110, 100, 110));
// end draw thick black border
// create a sheet, set its title then delete it
s = wb.createSheet();
wb.setSheetName(1, "DeletedSheet");
wb.removeSheetAt(1);
// end deleted sheet
wb.write(out);
out.close();
}
/**
* Constructor HSSF - takes in file - attempts to read it then reconstruct it
*
*
* @param infile
* @param outfile
* @param write
*
* @exception IOException
*
*/
public HSSF(String infile, String outfile, boolean write)
throws IOException
{
this.filename = infile;
POIFSFileSystem fs =
new POIFSFileSystem(new FileInputStream(filename));
hssfworkbook = new HSSFWorkbook(fs);
// HSSFWorkbook book = hssfstream.getWorkbook();
}
/**
* Method main
*
* Given 1 argument takes that as the filename, inputs it and dumps the
* cell values/types out to sys.out
*
* given 2 arguments where the second argument is the word "write" and the
* first is the filename - writes out a sample (test) spreadsheet (see
* public HSSF(String filename, boolean write)).
*
* given 2 arguments where the first is an input filename and the second
* an output filename (not write), attempts to fully read in the
* spreadsheet and fully write it out.
*
* given 3 arguments where the first is an input filename and the second an
* output filename (not write) and the third is "modify1", attempts to read in the
* spreadsheet, deletes rows 0-24, 74-99. Changes cell at row 39, col 3 to
* "MODIFIED CELL" then writes it out. Hence this is "modify test 1". If you
* take the output from the write test, you'll have a valid scenario.
*
* @param args
*
*/
public static void main(String [] args)
{
if (args.length < 2)
{
try
{
HSSF hssf = new HSSF(args[ 0 ]);
System.out.println("Data dump:\n");
HSSFWorkbook wb = hssf.hssfworkbook;
for (int k = 0; k < wb.getNumberOfSheets(); k++)
{
HSSFSheet sheet = wb.getSheetAt(k);
int rows = sheet.getPhysicalNumberOfRows();
System.out.println("Sheet " + k + " \""
+ wb.getSheetName(k) + "\" has "
+ rows + " row(s).");
for (int r = 0; r < rows; r++)
{
HSSFRow row = sheet.getRow(r);
int cells = (row != null) ? row.getPhysicalNumberOfCells() : 0;
if (row != null) {
System.out.println("\nROW " + row.getRowNum()
+ " has " + cells + " cell(s).");
}
for (int c = 0; c < cells; c++)
{
HSSFCell cell = row.getCell(c);
String value = null;
switch (cell.getCellType())
{
case HSSFCell.CELL_TYPE_FORMULA :
value = "FORMULA value="
+ cell.getCellFormula();
break;
case HSSFCell.CELL_TYPE_NUMERIC :
value = "NUMERIC value="
+ cell.getNumericCellValue();
break;
case HSSFCell.CELL_TYPE_STRING :
value = "STRING value="
+ cell.getStringCellValue();
break;
default :
}
System.out.println("CELL col="
+ cell.getCellNum()
+ " VALUE=" + value);
}
}
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
else if (args.length == 2)
{
if (args[ 1 ].toLowerCase().equals("write"))
{
System.out.println("Write mode");
try
{
long time = System.currentTimeMillis();
HSSF hssf = new HSSF(args[ 0 ], true);
System.out
.println("" + (System.currentTimeMillis() - time)
+ " ms generation time");
}
catch (Exception e)
{
e.printStackTrace();
}
}
else
{
System.out.println("readwrite test");
try
{
HSSF hssf = new HSSF(args[ 0 ]);
// HSSFStream hssfstream = hssf.hssfstream;
HSSFWorkbook wb = hssf.hssfworkbook;
FileOutputStream stream = new FileOutputStream(args[ 1 ]);
// HSSFCell cell = new HSSFCell();
// cell.setCellNum((short)3);
// cell.setCellType(HSSFCell.CELL_TYPE_NUMERIC);
// cell.setCellValue(-8009.999);
// hssfstream.modifyCell(cell,0,(short)6);
wb.write(stream);
stream.close();
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
else if ((args.length == 3)
&& args[ 2 ].toLowerCase().equals("modify1"))
{
try // delete row 0-24, row 74 - 99 && change cell 3 on row 39 to string "MODIFIED CELL!!"
{
HSSF hssf = new HSSF(args[ 0 ]);
// HSSFStream hssfstream = hssf.hssfstream;
HSSFWorkbook wb = hssf.hssfworkbook;
FileOutputStream stream = new FileOutputStream(args[ 1 ]);
HSSFSheet sheet = wb.getSheetAt(0);
for (int k = 0; k < 25; k++)
{
HSSFRow row = sheet.getRow(k);
sheet.removeRow(row);
}
for (int k = 74; k < 100; k++)
{
HSSFRow row = sheet.getRow(k);
sheet.removeRow(row);
}
HSSFRow row = sheet.getRow(39);
HSSFCell cell = row.getCell(3);
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
cell.setCellValue("MODIFIED CELL!!!!!");
// HSSFCell cell = new HSSFCell();
// cell.setCellNum((short)3);
// cell.setCellType(HSSFCell.CELL_TYPE_NUMERIC);
// cell.setCellValue(-8009.999);
// hssfstream.modifyCell(cell,0,(short)6);
wb.write(stream);
stream.close();
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
}