You need to add additional archives - .jar files - to your classpath. This is
old code that I have not refactored yet so the list of archives below
relates to an earlier version of POI but you can use it as a guide for the
similar components from the latest version;
poi-3.5-beta7-20090612.jar
poi-ooxml-3.5-beta7-20090613.jar
openxml4j-1.0-beta.jar
xmlbeans-2.3.0.jar
ooxml-schemas-1.0.jar
dom4j-1.6.1.jar
The exact names of the files will have changed now that the developers are
working on 3.6, but they will still be very similar and if you do not
already have these archives, you will need to visit the torchbox address I
posted in an earlier response, search thruogh the list of archives there and
download those whose names are similar to the above. I have just had a quick
check and it seems these are the current versions;
poi-3.6-beta1-20091006.jar
poi-ooxml-3.6-beta1-20091006.jar
and the current versions of the other files listed should be in this zip
file
poi-dependencies-3.6-beta1-20091006.zip
that you can download and then unzip into a directory.
Once you have the archives, add them to your classpath and you should be
able to both compile and run the code.
Hope that helps. If you have any other problems, just post to the list. Just
as an aside, do not worry about the beta designation for the archives. Yegor
and the other developers ensure that the product is stable and 3.6 beta will
be 3.5 final with the latest fixes and patches added; do not worry that you
will be using some buggy patched nightmare because this would simply not be
allowed to happen.
Yours
Mark B
Henrik-23 wrote:
>
> I get this error:
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org/apache/xmlbeans/XmlOptions
> at
> org.apache.poi.POIXMLDocumentPart.<clinit>(POIXMLDocumentPart.java:43)
> at
> org.apache.poi.ss.usermodel.WorkbookFactory.create(WorkbookFactory.java:62)
> at lasxls.dataExtract.displayCellContents(dataExtract.java:56)
> at lasxls.Main.main(Main.java:20)
> Caused by: java.lang.ClassNotFoundException:
> org.apache.xmlbeans.XmlOptions
> at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
> ... 4 more
> Java Result: 1
> BUILD SUCCESSFUL (total time: 1 second)
>
>
> This is my main class.
> public class Main {
>
> /**
> * @param args the command line arguments
> */
> public static void main(String[] args) {
> // TODO code application logic here
> dataExtract ins = new dataExtract();
> ins.displayCellContents("E:/1_Trading/Java/LasXLS/Volvo.xls");
> }
>
> }
>
> MSB skrev:
>> Had the chance to play with some code this evening and I have imporved
>> the
>> snippet I posted earlier so that it now outputs the cells address in
>> familar
>> Excel notation - eg A1. Alsom I noticed when I ran it against a
>> problematic
>> test file that an exception could be thrown when the test was made to see
>> if
>> the cell was date formatted and so I have added a catch clause to solve
>> this
>> problem because I could not see what the problem was;
>>
>> public static void displayCellContents(String filename) {
>> File file = null;
>> FileInputStream fis = null;
>> Workbook workbook = null;
>> Sheet sheet = null;
>> Row row = null;
>> Cell cell = null;
>> int numSheets = 0;
>> Iterator<Row> rowIter = null;
>> Iterator<Cell> cellIter = null;
>> CellReference cellRef = null;
>> try {
>> // Open the workbook.
>> file = new File(filename);
>> fis = new FileInputStream(file);
>> workbook = WorkbookFactory.create(fis);
>>
>> // Get the number of sheets in the workbook and enter a for
>> loop
>> // to iterate through them one at a time.
>> numSheets = workbook.getNumberOfSheets();
>> for(int i = 0; i < numSheets; i++) {
>>
>> // Get the sheet and recover from that an iterator that
>> // allows us to step through all of the rows the sheet
>> contains.
>> sheet = workbook.getSheetAt(i);
>>
>> rowIter = sheet.rowIterator();
>> while(rowIter.hasNext()) {
>>
>> // Get a row and recover from it an Iterator that
>> allows
>> // us to access each of the cells on the row.
>> row = rowIter.next();
>> cellIter = row.cellIterator();
>> while(cellIter.hasNext()) {
>>
>> // Get a cell
>> cell = cellIter.next();
>>
>> // The CellReference object must be created for
>> each
>> cell and used
>> // to convert POI's indices into Excel's
>> co-ordinate
>> system.
>> cellRef = new CellReference(row.getRowNum(),
>> cell.getColumnIndex());
>> System.out.print("Cell " +
>> cellRef.formatAsString()
>> + " ");
>>
>> switch(cell.getCellType()) {
>> case Cell.CELL_TYPE_BLANK:
>> System.out.println("is blank.");
>> break;
>> case Cell.CELL_TYPE_BOOLEAN:
>> System.out.println("contains a boolean
>> value
>> of: " +
>> cell.getBooleanCellValue());
>> break;
>> case Cell.CELL_TYPE_ERROR:
>> System.out.println("contains an error
>> code
>> of: " +
>> cell.getErrorCellValue());
>> break;
>> case Cell.CELL_TYPE_FORMULA:
>> System.out.println("contains a formula: "
>> +
>> cell.getCellFormula());
>> break;
>> case Cell.CELL_TYPE_NUMERIC:
>> try {
>>
>> if(DateUtil.isCellDateFormatted(cell)) {
>> System.out.println("contains a
>> date:
>> " +
>> cell.getDateCellValue());
>> }
>> else {
>> System.out.println("contains a
>> number: " +
>> cell.getNumericCellValue());
>> }
>> }
>> catch(IndexOutOfBoundsException iobEx) {
>> System.out.println("an exception was
>> thrown " +
>> "checking the date
>> formatting. "
>> +
>> "The cell contains the
>> following
>> " +
>> "numeric value: " +
>> cell.getNumericCellValue());
>> }
>> break;
>> case Cell.CELL_TYPE_STRING:
>> System.out.println("contains a String: "
>> +
>> cell.getStringCellValue());
>> break;
>> }
>> }
>> }
>> }
>> }
>> catch(FileNotFoundException fnfEx) {
>> System.out.println("Caught: " + fnfEx.getClass().getName());
>> System.out.println("Message: " + fnfEx.getMessage());
>> System.out.println("Stacktrace follows..............");
>> fnfEx.printStackTrace(System.out);
>> }
>> catch(IOException ioEx) {
>> System.out.println("Caught: " + ioEx.getClass().getName());
>> System.out.println("Message: " + ioEx.getMessage());
>> System.out.println("Stacktrace follows..............");
>> ioEx.printStackTrace(System.out);
>> }
>> catch(InvalidFormatException invFEx) {
>> System.out.println("Caught: " + invFEx.getClass().getName());
>> System.out.println("Message: " + invFEx.getMessage());
>> System.out.println("Stacktrace follows..............");
>> invFEx.printStackTrace(System.out);
>> }
>> finally {
>> if(fis != null) {
>> try {
>> fis.close();
>> fis = null;
>> }
>> catch(IOException ioEx) {
>> // I G N O R E
>> }
>> }
>> }
>> }
>>
>> Whilst this example uses Iterator to get at the cells, you are not forced
>> to
>> do this, it is possible to get at a cell be specifying the index number
>> of
>> the row and column. This would allow you to write some code that steps
>> down
>> each column rather than along each row to retrieve a reference to a cell.
>> The changes to the code I have posted would be quite trivial and it might
>> be
>> worth you time seeing if you can modify what I have written to use
>> indices
>> rather than iterators. Simply write code that discovers how many rows
>> there
>> are on the sheet then enter a for loo to step through each row at a time.
>> Within that loop, find out how many cells there are in the row and then
>> write another for loop to get each cell in turn and output it's contents
>> to
>> standard output. That will help you to see how the API hangs together
>> IMO.
>>
>> As always, if you have any questions, just post to this list.
>>
>> Yours
>>
>> Mark B
>>
>>
>> Henrik-23 wrote:
>>
>>> I have been trying to make a very simpe Java program, the only advanced
>>> part is the part using HSSF to read an xls file and get all the data.
>>> What i want to do i ittretare thru ever colum on every row and just
>>> print that data out in the comand prompt. I have found lots of example
>>> of this on the homepage but no whole code that realy works. They all
>>> seems to need something more to get them to run. It would be very much
>>> appriciated if someone just could point me in the right direction to get
>>> this working.
>>>
>>> Best regards Henrik
>>>
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>>>
>>>
>>>
>>>
>>
>>
>
>
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