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Posted to user@poi.apache.org by Ketan B <ke...@yahoo.com> on 2009/08/17 20:56:31 UTC
Word file creation issue
I am new to this forum. I want to create Word document and also wants to add
some text.
I tried to create .doc file. File has created successfully but while reading
i'm getting exception
"java.io.IOException: Unable to read entire header; -1 bytes read; expected
512 bytes"
Plz suugest me How to solve this .If i get sample code i can learn from it.
Thanx
--
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Re: Word file creation issue
Posted by MSB <ma...@tiscali.co.uk>.
That will be a problem then because HWPF - the API you will need to use to
work with the binary (OLE2CDF) files is still in development. Recently, I
tried inserting Tables into Word documents and the result was a corrupted
file. There is a method in the API - insertBefore() that promises to allow
you to insert a table, but as I said, this results I am sorry to say in a
corrupted file.
If you want to check this out for yourself, try this code;
public void insertTable(String inputFilename, String outputFilename) {
File inputFile = null;
File outputFile = null;
FileInputStream fis = null;
FileOutputStream fos = null;
HWPFDocument document = null;
Range overallRange = null;
Paragraph para = null;
TableProperties tableProps = null;
Table table = null;
try {
inputFile = new File(inputFilename);
fis = new FileInputStream(inputFile);
document = new HWPFDocument(fis);
// Get the overall Range object and try to insert a Table. This
// produced a file Word refused to open - saying it was damaged.
overallRange = document.getOverallRange();
table = overallRange.insertBefore(new TableProperties(3), 3);
// Initially, I thought the problems arose as I was working with
// the overall Range object as above. So, I got the only
Paragraph
// that I could find encapsulated by that object and tried to
// insert the Table before it - thus
//para = overallRange.getParagraph(0);
//table = para.insertBefore(new TableProperties(3), 3);
// Still the file was corrupt.
fis.close();
fis = null;
outputFile = new File(outputFilename);
fos = new FileOutputStream(outputFile);
document.write(fos);
}
catch(Exception ex) {
System.out.println("Caught an: " + ex.getClass().getName());
System.out.println("Message: " + ex.getMessage());
System.out.println("Stacktrace follows........");
ex.printStackTrace(System.out);
}
finally {
if(fis != null) {
try {
fis.close();
fis = null;
}
catch(IOException ioEx) {
// I G N O R E
}
}
if(fos != null) {
try {
fos.close();
fos = null;
}
catch(IOException ioEx) {
// I G N O R E
}
}
}
}
You will notice that there two filenames passed to this method. The first is
the path to an name of an emprty Word document that I created using Word
itself as I do not think that HWPF can yet generate a brand new document
itself - the no-arg constructor for the HWPFDocument class is protected.
Yours
Mark B
Kett wrote:
>
>
>
> MSB wrote:
>>
>> Which version of the API are you intending to use? Are you trying to
>> create binary files (.doc) or OpenXML files (.docx)?
>>
>> Also, you do need to be aware that the API - certainly this is true of
>> HWPF, I am not so sure about XWPF - is immature and still in the early
>> stages of development. As a result, it cannot yet be used to create
>> anything other than simple documents.
>>
>> Yours
>>
>> Mark B
>>
>>
>> Kett wrote:
>>>
>>> I am new to this forum. I want to create Word document and also wants to
>>> add some text.
>>> I tried to create .doc file. File has created successfully but while
>>> reading i'm getting exception
>>> "java.io.IOException: Unable to read entire header; -1 bytes read;
>>> expected 512 bytes"
>>> Plz suugest me How to solve this .If i get sample code i can learn from
>>> it.
>>> Thanx
>>>
>>
>>
>
> I jzt want to create simple .doc file. With some lines and Table. I am
> using POI 3.1
>
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Re: Word file creation issue
Posted by Kett <ke...@yahoo.com>.
MSB wrote:
>
> Which version of the API are you intending to use? Are you trying to
> create binary files (.doc) or OpenXML files (.docx)?
>
> Also, you do need to be aware that the API - certainly this is true of
> HWPF, I am not so sure about XWPF - is immature and still in the early
> stages of development. As a result, it cannot yet be used to create
> anything other than simple documents.
>
> Yours
>
> Mark B
>
>
> Kett wrote:
>>
>> I am new to this forum. I want to create Word document and also wants to
>> add some text.
>> I tried to create .doc file. File has created successfully but while
>> reading i'm getting exception
>> "java.io.IOException: Unable to read entire header; -1 bytes read;
>> expected 512 bytes"
>> Plz suugest me How to solve this .If i get sample code i can learn from
>> it.
>> Thanx
>>
>
>
I jzt want to create simple .doc file. With some lines and Table. I am using
POI 3.1
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Re: Word file creation issue
Posted by MSB <ma...@tiscali.co.uk>.
Which version of the API are you intending to use? Are you trying to create
binary files (.doc) or OpenXML files (.docx)?
Also, you do need to be aware that the API - certainly this is true of HWPF,
I am not so sure about XWPF - is immature and still in the early stages of
development. As a result, it cannot yet be used to create anything other
than simple documents.
Yours
Mark B
Kett wrote:
>
> I am new to this forum. I want to create Word document and also wants to
> add some text.
> I tried to create .doc file. File has created successfully but while
> reading i'm getting exception
> "java.io.IOException: Unable to read entire header; -1 bytes read;
> expected 512 bytes"
> Plz suugest me How to solve this .If i get sample code i can learn from
> it.
> Thanx
>
--
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