A Spring Boot application for scraping and converting HTML data into an Excel spreadsheet.

📚 GitHub Repository

This project demonstrates a complete pipeline of working with web data using Java and Spring Boot. It fetches raw HTML from a given URL, extracts relevant information, maps it to structured Java objects (POJOs), and writes the results into an .xls Excel file.

⚙️ Tech Stack

  • Spring Boot – main application framework
  • Jsoup – HTML parsing
  • Apache POI – Excel file generation
  • Spring Configuration – flexible setup via application.properties

🚀 Features

  1. Fetch HTML content Makes a GET request to the target URL and retrieves the HTML response.

  2. Parse HTML with Jsoup Uses Jsoup to create a Document object and navigate the DOM.

  3. Map to POJO objects Extracted data is converted into Java classes for easy manipulation.

  4. Export to Excel (XLS) Generates a formatted .xls spreadsheet using Apache POI.

  5. Configurable via properties file Keywords and target URL can be defined in application.properties.

🛠️ How to Run

  1. Clone the repository:
git clone https://github.com/maltsev-dev/html_scraper_template
cd html_scraper_template
  1. Configure the app in src/main/resources/application.properties:
target.url=https://example.com
scraper.keywords=Item,Price,Details
  1. Run the application:
./mvnw spring-boot:run
  1. The output Excel file (output.xls) will be generated in the project root.

✅ Benefits

  • Fully based on the Java ecosystem
  • Requires no browser automation or WebDriver
  • Easily customizable for different scraping needs
  • Simple to set up and extend

📄 License

This project is licensed under the MIT License.