package org.opentosca.csarrepo.servlet;
import java.io.IOException;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.opentosca.csarrepo.exception.AuthenticationException;
import org.opentosca.csarrepo.model.User;
import org.opentosca.csarrepo.service.ListOpenToscaServerService;
import org.opentosca.csarrepo.util.StringUtils;
import freemarker.template.Template;
@SuppressWarnings("serial")
@WebServlet(ListOpenToscaServerServlet.PATH)
public class ListOpenToscaServerServlet extends AbstractServlet {
private static final Logger LOGGER = LogManager.getLogger(ListOpenToscaServerServlet.class);
private static final String TEMPLATE_NAME = "listOpenToscaServerServlet.ftl";
public static final String PATH = "/opentoscaserverlist";
public ListOpenToscaServerServlet() {
super();
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
try {
User user = checkUserAuthentication(request, response);
// setup output and template
Map<String, Object> root = getRoot(request);
Template template = getTemplate(this.getServletContext(), TEMPLATE_NAME);
// init title
root.put("title", "OpenTOSCA Servers");
// invoke service
ListOpenToscaServerService service = new ListOpenToscaServerService(user.getId());
if (service.hasErrors()) {
throw new ServletException("errors occured generating openTOSCA list"
+ StringUtils.join(service.getErrors()));
}
// pass result to template
root.put("opentoscaservers", service.getResult());
// output
template.process(root, response.getWriter());
} catch (AuthenticationException e) {
return;
} catch (Exception e) {
AbstractServlet.addError(request, e.getMessage());
this.redirect(request, response, DashboardServlet.PATH);
LOGGER.error(e);
}
}
}