Text Extraction

Added by Patrick Corless, last edited by Patrick Corless on Mar 13, 2017  (view change)
Table of Contents

Text Extraction

The text extraction example will extract all text data from a PDF document. The document.getPageText() will initialized the page content and parse text content only ignoring images and other none vital data structures. 

// create a file to write the extracted text to
File file = new File("extracted_text.txt");
FileWriter fileWriter = new FileWriter(file);

// Get text from the first page of the document, assuming that there
// is text to extract.
for (int pageNumber = 0, max = document.getNumberOfPages();
     pageNumber < max; pageNumber++) {
    PageText pageText = document.getPageText(pageNumber);
    System.out.println("Extracting page text: " + pageNumber);
    if (pageText != null && pageText.getPageLines() != null) {
        ArrayList<LineText> pageLines = pageText.getPageLines();
        for (LineText lineText : pageLines) {
            fileWriter.write(lineText.toString());
            fileWriter.write('\n');
        }
    }
}

// close the writer
fileWriter.close();

The source-code for this example is located at:

A primer on using Maven or Gradle build commands can be found here (Maven) and here (Gradle)
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