![]() ![]() HSLF (Horrible Slide Layout Format) – a pure Java implementation for Microsoft PowerPoint files.HPSF (Horrible Property Set Format) – For reading “Document Summary” information from Microsoft Office files.HDGF (Horrible DiaGram Format) – One of the first pure Java implementation for Microsoft Visio binary files.HSMF (Horrible Stupid Mail Format) – pure Java implementation for Microsoft Outlook MSG files.HWPF (Horrible Word Processor Format) – to read and write Microsoft Word 97 (DOC) format files.HSSF (Horrible SpreadSheet Format) – Use to read and write Microsoft Excel (XLS) format files.XSSF (XML SpreadSheet Format) – Used to reading and writing Open Office XML (XLSX) format files.One interesting thing with POI is that (I don't know whether it's intentional, accidentally or real) it has got some really funny names for its workbook implementations like Apache POI also provides different implementation classes to handle both XLS and XLSX file format. It uses terms like workbook, worksheet, cell, row to keep itself aligned with Microsoft Excel and that's why it is very easy to use. MS Office 20).įortunately Apache POI supports both format, and you can easily create, read, write and update Excel files using this library. XLSX (created by Microsoft Office 2007 onwards e.g. XLS (produced by Microsoft Officer version prior to 2007 e.g. In this article, we will learn how to read and write excel files in Java.Īs I said, Excel files has two popular format. You can find lot of examples of how to do with Excel using Apache POI online, which means you will never feel alone and has instant Google support if you stuck there. It is widely used, has strong community support and it is feature rich. ![]() Fortunately there are couple of open source library exists to read and write Microsoft Office XLS and XLSX file format, Apache POI is the best one. Since JDK doesn't provide direct API to read and write Microsoft Excel and Word document, you have to rely on third party library to do your job. If you are using JSP Servlet, display tag library automatically provides Excel, Word and PDF support. What this mean to a Java application developer? Because of huge popularity of MS office products you often need to support Microsoft office format such as word, Excel, PowerPoint and additionally Adobe PDF. Other alternatives like OpenOffice and LiberOffice have failed to take off to challenge MS Office. * Here is my Error */ : Īt .(XSSFFactory.java:62)Īt .read(POIXMLDocumentPart.java:403)Īt .load(POIXMLDocument.java:155)Īt .usermodel.XSSFWorkbook.(XSSFWorkbook.java:186)Īt .(WorkbookFactory.java:91)Īt .main(SampleExcelReading.java:27)Ĭaused by: Īt 0(Native Method)Īt (Unknown Source)Īt (Unknown Source)Īt .newInstance(Unknown Source)Īt .(XSSFFactory.java:60)Ĭaused by: java.io.CharConversionException: Characters larger than 4 bytes are not supported: byte 0x96 implies a length of more than 4 bytesĪt .(UTF8XMLDecoder.java:162)Īt .$FastStreamDecoder.read(XMLStreamReader.java:762)Īt .(XMLStreamReader.java:162)Īt ._refill(PiccoloLexer.java:3474)Īt .(PiccoloLexer.java:3958)Īt .(Piccolo.java:1290)Īt .(Piccolo.java:1400)Īt .(Piccolo.java:714)Īt .store.Locale$SaxLoader.load(Locale.java:3439)Īt .(Locale.java:1270)Īt .(Locale.java:1257)Īt .(SchemaTypeLoaderBase.java:345)Īt .$Factory.parse(Unknown Source)Īt .(StylesTable.java:121)Īt .model.StylesTable.(StylesTable.No matter how Microsoft is doing in comparison with Google, Microsoft Office is still the most used application in software world. PortfolioHoldingMap.put(currentSchemeNameCode,cell.getColumnIndex() + "||" + im().replaceAll(" +", " ") + "||" + holding_date) If(rowNo > 0 & cell.getColumnIndex() != 0) If(rowNo = 0 & cell.getColumnIndex() != 0) Value = value.substring(0, firstAsAtIndex) Holding_date = nav_date_splitted + "-" + nav_date_splitted + "-" + nav_date_splitted String nav_date_splitted = holding_date.split("+") Holding_date = value.substring(firstAsAtIndex + 7, value.length()) Int firstAsAtIndex = value.indexOf(" as at ") Value = value.substring(firstHypenIndex + 2, value.length()) Int firstHypenIndex = value.indexOf("-") If(cell.getColumnIndex() = 0 & rowNo > 0 & !value.equalsIgnoreCase("")) ![]() Value = String.valueOf(cell.getNumericCellValue()) Value = sdf.format(cell.getDateCellValue()) SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy") Iterator cellIterator = row.cellIterator() Int numberOfSheets = workbook.getNumberOfSheets() usermodel.Workbook workbook = WorkbookFactory.create(f) Multimap portfolioHoldingMap = ArrayListMultimap.create() Some one please help me to solve these problem.My java code is in bellow: I wrote some of the code using java but not able to read that file and showing some error.I am new in these type of coding. I want to read this file through a java code. I have a Excel file in the location called E:/portfolio.xls. ![]()
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