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Examples update
git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352297 13f79535-47bb-0310-9956-ffa450edef68
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Glen Stampoultzis
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2002 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache POI" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache POI", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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package org.apache.poi.hssf.usermodel.examples;
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import org.apache.poi.hssf.usermodel.*;
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import java.io.FileOutputStream;
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import java.io.IOException;
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/**
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* Demonstrates many features of the user API at once. Used in the HOW-TO guide.
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*
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* @author Glen Stampoultzis (glens at apache.org)
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* @author Andrew Oliver (acoliver at apache.org)
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*/
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public class BigExample
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{
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public static void main(String[] args)
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throws IOException
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{
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short rownum;
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// create a new file
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FileOutputStream out = new FileOutputStream("workbook.xls");
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// create a new workbook
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HSSFWorkbook wb = new HSSFWorkbook();
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// create a new sheet
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HSSFSheet s = wb.createSheet();
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// declare a row object reference
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HSSFRow r = null;
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// declare a cell object reference
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HSSFCell c = null;
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// create 3 cell styles
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HSSFCellStyle cs = wb.createCellStyle();
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HSSFCellStyle cs2 = wb.createCellStyle();
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HSSFCellStyle cs3 = wb.createCellStyle();
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// create 2 fonts objects
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HSSFFont f = wb.createFont();
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HSSFFont f2 = wb.createFont();
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//set font 1 to 12 point type
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f.setFontHeightInPoints((short) 12);
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//make it red
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f.setColor((short) HSSFCellStyle.RED);
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// make it bold
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//arial is the default font
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f.setBoldweight(f.BOLDWEIGHT_BOLD);
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//set font 2 to 10 point type
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f2.setFontHeightInPoints((short) 10);
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//make it the color at palette index 0xf (white)
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f2.setColor((short) HSSFCellStyle.WHITE);
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//make it bold
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f2.setBoldweight(f2.BOLDWEIGHT_BOLD);
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//set cell stlye
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cs.setFont(f);
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//set the cell format see HSSFDataFromat for a full list
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cs.setDataFormat(HSSFDataFormat.getFormat("($#,##0_);[Red]($#,##0)"));
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//set a thin border
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cs2.setBorderBottom(cs2.BORDER_THIN);
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//fill w fg fill color
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cs2.setFillPattern((short) HSSFCellStyle.SOLID_FOREGROUND);
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// set foreground fill to red
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cs2.setFillForegroundColor((short) HSSFCellStyle.RED);
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// set the font
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cs2.setFont(f2);
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// set the sheet name to HSSF Test
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wb.setSheetName(0, "HSSF Test");
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// create a sheet with 300 rows (0-299)
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for (rownum = (short) 0; rownum < 300; rownum++)
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{
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// create a row
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r = s.createRow(rownum);
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// on every other row
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if ((rownum % 2) == 0)
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{
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// make the row height bigger (in twips - 1/20 of a point)
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r.setHeight((short) 0x249);
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}
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//r.setRowNum(( short ) rownum);
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// create 50 cells (0-49) (the += 2 becomes apparent later
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for (short cellnum = (short) 0; cellnum < 50; cellnum += 2)
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{
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// create a numeric cell
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c = r.createCell(cellnum);
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// do some goofy math to demonstrate decimals
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c.setCellValue(rownum * 10000 + cellnum
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+ (((double) rownum / 1000)
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+ ((double) cellnum / 10000)));
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// on every other row
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if ((rownum % 2) == 0)
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{
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// set this cell to the first cell style we defined
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c.setCellStyle(cs);
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}
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// create a string cell (see why += 2 in the
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c = r.createCell((short) (cellnum + 1));
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// set the cell's string value to "TEST"
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c.setCellValue("TEST");
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// make this column a bit wider
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s.setColumnWidth((short) (cellnum + 1), (short) ((50 * 8) / ((double) 1 / 20)));
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// on every other row
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if ((rownum % 2) == 0)
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{
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// set this to the white on red cell style
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// we defined above
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c.setCellStyle(cs2);
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}
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}
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}
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//draw a thick black border on the row at the bottom using BLANKS
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// advance 2 rows
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rownum++;
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rownum++;
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r = s.createRow(rownum);
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// define the third style to be the default
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// except with a thick black border at the bottom
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cs3.setBorderBottom(cs3.BORDER_THICK);
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//create 50 cells
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for (short cellnum = (short) 0; cellnum < 50; cellnum++)
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{
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//create a blank type cell (no value)
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c = r.createCell(cellnum);
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// set it to the thick black border style
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c.setCellStyle(cs3);
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}
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//end draw thick black border
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// demonstrate adding/naming and deleting a sheet
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// create a sheet, set its title then delete it
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s = wb.createSheet();
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wb.setSheetName(1, "DeletedSheet");
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wb.removeSheetAt(1);
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//end deleted sheet
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// write the workbook to the output stream
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// close our file (don't blow out our file handles
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wb.write(out);
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out.close();
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}
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}
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package org.apache.poi.hssf.usermodel.examples;
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import org.apache.poi.hssf.eventmodel.HSSFEventFactory;
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import org.apache.poi.hssf.eventmodel.HSSFListener;
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import org.apache.poi.hssf.eventmodel.HSSFRequest;
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import org.apache.poi.hssf.record.*;
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import org.apache.poi.poifs.filesystem.POIFSFileSystem;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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/**
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* This example shows how to use the event API for reading a file.
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*/
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public class EventExample
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implements HSSFListener
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{
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private SSTRecord sstrec;
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/**
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* This method listens for incoming records and handles them as required.
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* @param record The record that was found while reading.
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*/
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public void processRecord(Record record)
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{
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switch (record.getSid())
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{
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// the BOFRecord can represent either the beginning of a sheet or the workbook
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case BOFRecord.sid:
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BOFRecord bof = (BOFRecord) record;
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if (bof.getType() == bof.TYPE_WORKBOOK)
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{
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System.out.println("Encountered workbook");
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// assigned to the class level member
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} else if (bof.getType() == bof.TYPE_WORKSHEET)
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{
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System.out.println("Encountered sheet reference");
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}
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break;
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case BoundSheetRecord.sid:
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BoundSheetRecord bsr = (BoundSheetRecord) record;
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System.out.println("New sheet named: " + bsr.getSheetname());
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break;
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case RowRecord.sid:
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RowRecord rowrec = (RowRecord) record;
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System.out.println("Row found, first column at "
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+ rowrec.getFirstCol() + " last column at " + rowrec.getLastCol());
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break;
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case NumberRecord.sid:
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NumberRecord numrec = (NumberRecord) record;
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System.out.println("Cell found with value " + numrec.getValue()
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+ " at row " + numrec.getRow() + " and column " + numrec.getColumn());
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break;
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// SSTRecords store a array of unique strings used in Excel.
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case SSTRecord.sid:
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sstrec = (SSTRecord) record;
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for (int k = 0; k < sstrec.getNumUniqueStrings(); k++)
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{
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System.out.println("String table value " + k + " = " + sstrec.getString(k));
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}
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break;
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case LabelSSTRecord.sid:
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LabelSSTRecord lrec = (LabelSSTRecord) record;
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System.out.println("String cell found with value "
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+ sstrec.getString(lrec.getSSTIndex()));
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break;
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}
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}
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/**
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* Read an excel file and spit out what we find.
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*
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* @param args Expect one argument that is the file to read.
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* @throws IOException When there is an error processing the file.
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*/
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public static void main(String[] args) throws IOException
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{
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// create a new file input stream with the input file specified
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// at the command line
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FileInputStream fin = new FileInputStream(args[0]);
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// create a new org.apache.poi.poifs.filesystem.Filesystem
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POIFSFileSystem poifs = new POIFSFileSystem(fin);
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// get the Workbook (excel part) stream in a InputStream
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InputStream din = poifs.createDocumentInputStream("Workbook");
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// construct out HSSFRequest object
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HSSFRequest req = new HSSFRequest();
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// lazy listen for ALL records with the listener shown above
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req.addListenerForAllRecords(new EventExample());
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// create our event factory
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HSSFEventFactory factory = new HSSFEventFactory();
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// process our events based on the document input stream
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factory.processEvents(req, din);
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// once all the events are processed close our file input stream
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fin.close();
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// and our document input stream (don't want to leak these!)
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din.close();
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System.out.println("done.");
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}
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}
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