From b35ea3c6e6596a34dfcfe59e10f7a32dbb8a842c Mon Sep 17 00:00:00 2001 From: Glen Stampoultzis Date: Sat, 30 Mar 2002 06:11:31 +0000 Subject: [PATCH] Examples update git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352297 13f79535-47bb-0310-9956-ffa450edef68 --- .../hssf/usermodel/examples/BigExample.java | 209 ++++++++++++++++++ .../hssf/usermodel/examples/EventExample.java | 100 +++++++++ 2 files changed, 309 insertions(+) create mode 100644 src/examples/src/org/apache/poi/hssf/usermodel/examples/BigExample.java create mode 100644 src/examples/src/org/apache/poi/hssf/usermodel/examples/EventExample.java diff --git a/src/examples/src/org/apache/poi/hssf/usermodel/examples/BigExample.java b/src/examples/src/org/apache/poi/hssf/usermodel/examples/BigExample.java new file mode 100644 index 000000000..1b528a401 --- /dev/null +++ b/src/examples/src/org/apache/poi/hssf/usermodel/examples/BigExample.java @@ -0,0 +1,209 @@ +/* ==================================================================== + * The Apache Software License, Version 1.1 + * + * Copyright (c) 2002 The Apache Software Foundation. All rights + * reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. The end-user documentation included with the redistribution, + * if any, must include the following acknowledgment: + * "This product includes software developed by the + * Apache Software Foundation (http://www.apache.org/)." + * Alternately, this acknowledgment may appear in the software itself, + * if and wherever such third-party acknowledgments normally appear. + * + * 4. The names "Apache" and "Apache Software Foundation" and + * "Apache POI" must not be used to endorse or promote products + * derived from this software without prior written permission. For + * written permission, please contact apache@apache.org. + * + * 5. Products derived from this software may not be called "Apache", + * "Apache POI", nor may "Apache" appear in their name, without + * prior written permission of the Apache Software Foundation. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * . + */ + +package org.apache.poi.hssf.usermodel.examples; + +import org.apache.poi.hssf.usermodel.*; + +import java.io.FileOutputStream; +import java.io.IOException; + +/** + * Demonstrates many features of the user API at once. Used in the HOW-TO guide. + * + * @author Glen Stampoultzis (glens at apache.org) + * @author Andrew Oliver (acoliver at apache.org) + */ +public class BigExample +{ + public static void main(String[] args) + throws IOException + { + short 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((short) HSSFCellStyle.RED); + // make it bold + //arial is the default font + f.setBoldweight(f.BOLDWEIGHT_BOLD); + + //set font 2 to 10 point type + f2.setFontHeightInPoints((short) 10); + //make it the color at palette index 0xf (white) + f2.setColor((short) HSSFCellStyle.WHITE); + //make it bold + f2.setBoldweight(f2.BOLDWEIGHT_BOLD); + + //set cell stlye + cs.setFont(f); + //set the cell format see HSSFDataFromat for a full list + cs.setDataFormat(HSSFDataFormat.getFormat("($#,##0_);[Red]($#,##0)")); + + //set a thin border + cs2.setBorderBottom(cs2.BORDER_THIN); + //fill w fg fill color + cs2.setFillPattern((short) HSSFCellStyle.SOLID_FOREGROUND); + // set foreground fill to red + cs2.setFillForegroundColor((short) HSSFCellStyle.RED); + + // 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 = (short) 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 (short cellnum = (short) 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((short) (cellnum + 1)); + + // set the cell's string value to "TEST" + c.setCellValue("TEST"); + // make this column a bit wider + s.setColumnWidth((short) (cellnum + 1), (short) ((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(cs3.BORDER_THICK); + + //create 50 cells + for (short cellnum = (short) 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 + s = 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(); + } +} diff --git a/src/examples/src/org/apache/poi/hssf/usermodel/examples/EventExample.java b/src/examples/src/org/apache/poi/hssf/usermodel/examples/EventExample.java new file mode 100644 index 000000000..b85a5883d --- /dev/null +++ b/src/examples/src/org/apache/poi/hssf/usermodel/examples/EventExample.java @@ -0,0 +1,100 @@ +package org.apache.poi.hssf.usermodel.examples; + +import org.apache.poi.hssf.eventmodel.HSSFEventFactory; +import org.apache.poi.hssf.eventmodel.HSSFListener; +import org.apache.poi.hssf.eventmodel.HSSFRequest; +import org.apache.poi.hssf.record.*; +import org.apache.poi.poifs.filesystem.POIFSFileSystem; + +import java.io.FileInputStream; +import java.io.IOException; +import java.io.InputStream; + +/** + * This example shows how to use the event API for reading a file. + */ +public class EventExample + implements HSSFListener +{ + private SSTRecord sstrec; + + /** + * This method listens for incoming records and handles them as required. + * @param record The record that was found while reading. + */ + public void processRecord(Record record) + { + switch (record.getSid()) + { + // the BOFRecord can represent either the beginning of a sheet or the workbook + case BOFRecord.sid: + BOFRecord bof = (BOFRecord) record; + if (bof.getType() == bof.TYPE_WORKBOOK) + { + System.out.println("Encountered workbook"); + // assigned to the class level member + } else if (bof.getType() == bof.TYPE_WORKSHEET) + { + System.out.println("Encountered sheet reference"); + } + break; + case BoundSheetRecord.sid: + BoundSheetRecord bsr = (BoundSheetRecord) record; + System.out.println("New sheet named: " + bsr.getSheetname()); + break; + case RowRecord.sid: + RowRecord rowrec = (RowRecord) record; + System.out.println("Row found, first column at " + + rowrec.getFirstCol() + " last column at " + rowrec.getLastCol()); + break; + case NumberRecord.sid: + NumberRecord numrec = (NumberRecord) record; + System.out.println("Cell found with value " + numrec.getValue() + + " at row " + numrec.getRow() + " and column " + numrec.getColumn()); + break; + // SSTRecords store a array of unique strings used in Excel. + case SSTRecord.sid: + sstrec = (SSTRecord) record; + for (int k = 0; k < sstrec.getNumUniqueStrings(); k++) + { + System.out.println("String table value " + k + " = " + sstrec.getString(k)); + } + break; + case LabelSSTRecord.sid: + LabelSSTRecord lrec = (LabelSSTRecord) record; + System.out.println("String cell found with value " + + sstrec.getString(lrec.getSSTIndex())); + break; + } + } + + /** + * Read an excel file and spit out what we find. + * + * @param args Expect one argument that is the file to read. + * @throws IOException When there is an error processing the file. + */ + public static void main(String[] args) throws IOException + { + // create a new file input stream with the input file specified + // at the command line + FileInputStream fin = new FileInputStream(args[0]); + // create a new org.apache.poi.poifs.filesystem.Filesystem + POIFSFileSystem poifs = new POIFSFileSystem(fin); + // get the Workbook (excel part) stream in a InputStream + InputStream din = poifs.createDocumentInputStream("Workbook"); + // construct out HSSFRequest object + HSSFRequest req = new HSSFRequest(); + // lazy listen for ALL records with the listener shown above + req.addListenerForAllRecords(new EventExample()); + // create our event factory + HSSFEventFactory factory = new HSSFEventFactory(); + // process our events based on the document input stream + factory.processEvents(req, din); + // once all the events are processed close our file input stream + fin.close(); + // and our document input stream (don't want to leak these!) + din.close(); + System.out.println("done."); + } +}