documentprocessing’s gists

documentprocessing / use-css-selectors-to-find-elements.java

Created May 27, 2025 15:25

Use CSS selectors to find elements with jsoup API

	File input = new File("input.html");
	Document doc = Jsoup.parse(input, "UTF-8", "https://some-website.com/");

	Elements links = doc.select("a[href]"); // a with href
	Elements pngs = doc.select("img[src$=.png]");
	// img with src ending .png

	Element masthead = doc.select("div.masthead").first();
	// div with class=masthead

documentprocessing / parse-html-using-jsoup.java

Created May 27, 2025 15:17

Parse HTML in Java using jsoup API

	String html = "<html><head><title>First parse</title></head>"
	+ "<body><p>Parsed HTML into a doc.</p></body></html>";
	Document doc = Jsoup.parse(html);

documentprocessing / adding-header-footer-to-pdf-pages.java

Created May 21, 2025 13:03

Adding Header and Footer to PDF in Java

	import org.apache.pdfbox.pdmodel.*;
	import org.apache.pdfbox.pdmodel.font.*;
	import org.apache.pdfbox.pdmodel.common.*;
	import org.apache.pdfbox.pdmodel.graphics.image.*;
	import java.io.File;

	public class PDFHeaderFooter {
	public static void main(String[] args) throws IOException {
	// 1. Load existing PDF or create new
	PDDocument document = PDDocument.load(new File("input.pdf"));

documentprocessing / text-extraction-java-pdfbox.java

Created May 21, 2025 12:59

Text Extraction from PDF using PDFBox in Java

	import org.apache.pdfbox.pdmodel.PDDocument;
	import org.apache.pdfbox.text.PDFTextStripper;
	import java.io.File;
	import java.io.IOException;

	public class PDFTextExtractor {
	public static void main(String[] args) {
	// Path to your PDF file
	String filePath = "sample.pdf";

documentprocessing / create-pdf-with-apache-pdfbox.java

Created May 21, 2025 12:56

Create New PDF File from Scratch using Apache PDFBox

	import org.apache.pdfbox.pdmodel.PDDocument;
	import org.apache.pdfbox.pdmodel.PDPage;
	import org.apache.pdfbox.pdmodel.PDPageContentStream;
	import org.apache.pdfbox.pdmodel.font.PDType1Font;

	import java.io.IOException;

	public class CreatePDFExample {
	public static void main(String[] args) {
	// 1. Create a new empty document

documentprocessing / pdf-font-and-metadata-extraction-dotnet.cs

Created May 13, 2025 03:00

PDF Metadata Extraction in .NET

	using UglyToad.PdfPig;

	class PdfInspector
	{
	public void Inspect(string filePath)
	{
	using var document = PdfDocument.Open(filePath);

	// Document metadata
	Console.WriteLine($"Title: {document.Information.Title}");

documentprocessing / text-positional-analysis-dotnet.cs

Created May 13, 2025 02:59

Text Positional Analysis in .NET

	using UglyToad.PdfPig;
	using UglyToad.PdfPig.Content;

	class TableExtractor
	{
	public void AnalyzeDocument(string filePath)
	{
	using var document = PdfDocument.Open(filePath);

	foreach (var page in document.GetPages())

documentprocessing / text-extraction-pdfpig-dotnet.cs

Created May 13, 2025 02:56

Basic Text Extraction in .NET

	using UglyToad.PdfPig;
	using System;

	class Program
	{
	static void Main()
	{
	using var document = PdfDocument.Open("document.pdf");

	foreach (var page in document.GetPages())

documentprocessing / jstree-checkboxes-dnd.js

Created May 6, 2025 00:37

Checkboxes and Drag and Drop using Javascript

documentprocessing / jstree-from-json.js

Created May 6, 2025 00:35

Loading Data with JSON

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