How to extract text from .doc document using apache poi?

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java - How to extract text from .doc document using apache poi? - Stack Overflow
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I used some code snippets below for extracting text from .doc file

HWPFDocument document = new HWPFDocument(new FileInputStream(inputFile));
Range range = document.getRange();
        int len = range.numParagraphs();
        StringBuilder builder = new StringBuilder();

        for (int i = 0; i < len; i++) {
            builder.append(range.getParagraph(i).text());
        }

and

HWPFDocument document = new HWPFDocument(new FileInputStream(inputFile));
WordExtractor wordExtractor = new WordExtractor(document);
        String[] paragraphs = wordExtractor.getParagraphText();
        StringBuilder builder = new StringBuilder();
        for (String p : paragraphs) {
            builder.append(p);
        }

However, both of them always output some strange characters. ex:

PAGEREF_Toc351848910\h10HYPERLINK\l _Toc351848911

CITATIONPla\l1033[HYPERLINK\l"Pla"13]. So, I want to know where are they from and how to remove them when extracting text from .doc file

Thanks in advance

Improve this question
3
  • 1
    The strange text you show are a table of contents entry a TOC reference and a citation. Sorry, I don't know how to remove them.
    – grahamj42
    Mar 23 2013 at 20:45
  • 1
    Have you tried using WordExtractor#stripFields(String) to remove them?
    – Gagravarr
    Mar 24 2013 at 21:09
  • It works. Thanks alot
    – thoitbk
    Mar 28 2013 at 17:55
0

I hope this may give you some insight.

    private static void ConvertDoctoPdf(String src, String outputPdf) throws Exception {

        try {
            Document pdfdoc = new Document();

            HWPFDocument doc = new HWPFDocument(new FileInputStream(src));

            //create wordextractor object to wrap the extracted word from HWPFDocument object.
            WordExtractor we = new WordExtractor(doc);

            OutputStream outputFile = new FileOutputStream(new File(desc));

            //create a pdf writer object to write text to mypdf.pdf file
            PdfWriter.getInstance(pdfdoc, outputFile);

            pdfdoc.open();

            Paragraph para = new Paragraph();

            //Collecting all paragraphs
            String[] paragraphs = we.getParagraphText();

            for (int i = 0; i < paragraphs.length; i++) {
                //add the paragraph to the document
                para.add(paragraphs[i]);
                //para.add(new Chunk(Chunk.NEWLINE));
                }
            //print all paragraph together
            System.out.println(para);    
            //Add all paragraph together to pdfdoc document.
            pdfdoc.add(para);

            pdfdoc.close();
            we.close();
            }  catch (Exception e) {
            e.printStackTrace();

        }
    }
Improve this answer
2
  • This appears to be creating a PDF document - how is that in any way solving the Original Problem?
    – Gagravarr
    Feb 16 2017 at 11:56
  • System.out.println(para); It prints extracted paragraph.
    – Om Prakash
    Feb 17 2017 at 4:30

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javams-wordapache-poidoc

1 Answers

0
votes

I hope this may give you some insight.

    private static void ConvertDoctoPdf(String src, String outputPdf) throws Exception {

        try {
            Document pdfdoc = new Document();

            HWPFDocument doc = new HWPFDocument(new FileInputStream(src));

            //create wordextractor object to wrap the extracted word from HWPFDocument object.
            WordExtractor we = new WordExtractor(doc);

            OutputStream outputFile = new FileOutputStream(new File(desc));

            //create a pdf writer object to write text to mypdf.pdf file
            PdfWriter.getInstance(pdfdoc, outputFile);

            pdfdoc.open();

            Paragraph para = new Paragraph();

            //Collecting all paragraphs
            String[] paragraphs = we.getParagraphText();

            for (int i = 0; i < paragraphs.length; i++) {
                //add the paragraph to the document
                para.add(paragraphs[i]);
                //para.add(new Chunk(Chunk.NEWLINE));
                }
            //print all paragraph together
            System.out.println(para);    
            //Add all paragraph together to pdfdoc document.
            pdfdoc.add(para);

            pdfdoc.close();
            we.close();
            }  catch (Exception e) {
            e.printStackTrace();

        }
    }