November 11, 2018

313 words 2 mins read

JonathanLink/PDFLayoutTextStripper

JonathanLink/PDFLayoutTextStripper

Converts a pdf file into a text file while keeping the layout of the original pdf. Useful to extract the content from a table in a pdf file for instance. This is a subclass of PDFTextStripper class (from the Apache PDFBox library).

repo name JonathanLink/PDFLayoutTextStripper
repo link https://github.com/JonathanLink/PDFLayoutTextStripper
homepage https://jonathanlink.ch/PDFLayoutTextStripper.html
language Java
size (curr.) 22127 kB
stars (curr.) 1287
created 2015-10-11
license Apache License 2.0

PDFLayoutTextStripper

Converts a PDF file into a text file while keeping the layout of the original PDF. Useful to extract the content from a table or a form in a PDF file. PDFLayoutTextStripper is a subclass of PDFTextStripper class (from the Apache PDFBox library).

Use cases

Data extraction from a table in a PDF file example

Data extraction from a form in a PDF file example

How to install

Maven

<dependency>
  <groupId>io.github.jonathanlink</groupId>
  <artifactId>PDFLayoutTextStripper</artifactId>
  <version>2.2.3</version>
</dependency>

Manual

  1. Install apache pdfbox manually (to get the v2.0.6 click here ) and its two dependencies commons-logging.jar and fontbox

warning: only pdfbox versions from version 2.0.0 upwards are compatible with this version of PDFLayoutTextStripper.java

How to use on Linux/Mac

cd PDFLayoutTextStripper
javac -cp .:/pathto/pdfbox-2.0.6.jar:/pathto/commons-logging-1.2.jar:/pathto/PDFLayoutTextStripper/fontbox-2.0.6.jar *.java
java -cp .:/pathto/pdfbox-2.0.6.jar:/pathto/commons-logging-1.2.jar:/pathto/PDFLayoutTextStripper/fontbox-2.0.6.jar test

How to use on Windows

The same as for Linux (see above) but replace : with ;

Sample code

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.apache.pdfbox.io.RandomAccessFile;
import org.apache.pdfbox.pdfparser.PDFParser;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.text.PDFTextStripper;

public class test {
	public static void main(String[] args) {
		String string = null;
        try {
            PDFParser pdfParser = new PDFParser(new RandomAccessFile(new File("./samples/bus.pdf"), "r"));
            pdfParser.parse();
            PDDocument pdDocument = new PDDocument(pdfParser.getDocument());
            PDFTextStripper pdfTextStripper = new PDFLayoutTextStripper();
            string = pdfTextStripper.getText(pdDocument);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        };
        System.out.println(string);
	}
}

Contributors

Thanks to

  • Dmytro Zelinskyy for reporting an issue with its correction (v2.2.3)
  • Ho Ting Cheng for reporting an issue (v2.1)
  • James Sullivan for having updated the code to make it work with the latest version of PDFBox (v2.0)
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