franta-hg@177: package cz.frantovo.nekurak.servlet;
franta-hg@177: 
franta-hg@179: import cz.frantovo.nekurak.dto.Podnik;
franta-hg@179: import cz.frantovo.nekurak.ejb.PodnikRemote;
franta-hg@177: import java.io.IOException;
franta-hg@179: import java.io.UnsupportedEncodingException;
franta-hg@179: import java.net.URLEncoder;
franta-hg@179: import javax.ejb.EJB;
franta-hg@177: import javax.servlet.ServletException;
franta-hg@177: import javax.servlet.http.HttpServletRequest;
franta-hg@177: import javax.servlet.http.HttpServletResponse;
franta-hg@177: 
franta-hg@177: /**
franta-hg@177:  *
franta-hg@177:  * @author fiki
franta-hg@177:  */
franta-hg@179: public class PodnikServlet extends SuperServlet {
franta-hg@179: 
franta-hg@179: 	@EJB
franta-hg@179: 	PodnikRemote ejb;
franta-hg@177: 
franta-hg@177: 	@Override
franta-hg@177: 	protected void doGet(HttpServletRequest požadavek, HttpServletResponse odpověď) throws ServletException, IOException {
franta-hg@177: 		super.doGet(požadavek, odpověď);
franta-hg@177: 
franta-hg@177: 		String[] parametryCesty = (požadavek.getPathInfo().split("/"));
franta-hg@177: 		int id = Integer.parseInt(parametryCesty[1]);
franta-hg@179: 
franta-hg@179: 		Podnik p = ejb.getPodnik(id);
franta-hg@179: 
franta-hg@179: 		if (p == null) {
franta-hg@179: 			odpověď.sendError(HttpServletResponse.SC_NOT_FOUND);
franta-hg@179: 		} else {
franta-hg@179: 			požadavek.setAttribute("podnik", p);
franta-hg@179: 			požadavek.setAttribute("mapa", getMapa(p));
franta-hg@179: 			zpracujJSP("detail.jsp", požadavek, odpověď);
franta-hg@179: 		}
franta-hg@179: 	}
franta-hg@179: 
franta-hg@179: 	/**
franta-hg@179: 	 * @return URL mapy – obrázku nebo null při chybě nebo absenci souřadnic
franta-hg@179: 	 */
franta-hg@179: 	private String getMapa(Podnik p) {
franta-hg@179: 		if (p == null || p.getSirka() == null || p.getDelka() == null) {
franta-hg@179: 			return null;
franta-hg@179: 		} else {
franta-hg@179: 			try {
franta-hg@179: 				String souradnice = URLEncoder.encode(p.getSirka() + ", " + p.getDelka(), "UTF-8");
franta-hg@191: 				return "https://maps.google.com/maps/api/staticmap?size=640x400&sensor=false&markers=size:big|color:green|" + souradnice;
franta-hg@179: 			} catch (UnsupportedEncodingException e) {
franta-hg@179: 				return null;
franta-hg@179: 			}
franta-hg@179: 		}
franta-hg@177: 	}
franta-hg@177: }