package dk.thoerup.pictureposterservice;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.logging.Logger;

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

/**
 * Servlet implementation class PictureServlet
 */
public class PictureServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

	Logger logger = Logger.getLogger(PictureServlet.class.getName());

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String fileName = "";

		String pic = request.getParameter("pic");
		response.setContentType("image/jpeg");
		fileName = "/home/app/data/PicturePoster/" + pic + ".jpeg";
		
		File file = new File(fileName);
		if (file.exists()) {
			response.setContentLength( (int)file.length() );
			FileInputStream in = new FileInputStream( fileName );
			OutputStream out = response.getOutputStream();
	
			
			int len;
			byte buf[] = new byte[8192];
			while ( (len = in.read(buf)) != -1) {
				out.write(buf, 0, len);
			}
			in.close();
			out.close();
		} else {
			logger.info("PictureServlet, file not found: " + fileName);
			response.sendError(404);
		}
		
	}

}