package de.guhsoft.tomcat;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/send_back")
public class SendBackServlet extends HttpServlet {

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		System.err.print("> "); //$NON-NLS-1$
		System.err.print(ZonedDateTime.now(ZoneOffset.UTC).format(DateTimeFormatter.ISO_INSTANT)); // $NON-NLS-1$
		System.err.print(" request "); //$NON-NLS-1$
		byte[] bytes;
		try (InputStream input = new BufferedInputStream(req.getInputStream())) {
			bytes = input.readAllBytes();
		}
		System.err.print(bytes.length + " bytes "); //$NON-NLS-1$
		try (OutputStream output = new BufferedOutputStream(resp.getOutputStream())) {
			output.write(bytes);
		}
		System.err.print(ZonedDateTime.now(ZoneOffset.UTC).format(DateTimeFormatter.ISO_INSTANT)); // $NON-NLS-1$
		System.err.println(" <"); //$NON-NLS-1$
	}

}