Java Spring Thymeleaf отправить файл пользователю

package com.example.demo.MainController;
 
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import javax.servlet.http.HttpServletRequest;
 
@Controller
public class ConsumptionController {
    @Value("consumption")
    private String consumption;
    @GetMapping("/consumption")
    public String consumptionPage (HttpServletRequest request) {
        String name = request.getParameter("name");
        System.out.println("Yor name is: "+ name);
 
    if (name!=null){
        // link to java class
        WritePrint write = new WritePrint();
        write.PW();
 
    }
        return "consumption";
    }
 
}

package com.example.demo.MainController;
 
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
 
public class WritePrint {
 
    public void PW () {
        PrintWriter writer;
 
        {
            try {
 
                writer = new PrintWriter("the-file-name.txt", "UTF-8");
                writer.println("Привет");
                writer.println("Themeleaf");
                writer.close();
 
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
            System.out.println("File is OK ...");
        }
    }
}