양식 데이터를 저장하는 서블릿

다음 단계는 양식 데이터를 삽입하거나 업데이트하는 서블릿을 만드는 것입니다. 서블릿은 OSGi 서비스의 적절한 메서드를 호출하여 데이터베이스를 삽입하거나 업데이트합니다. 저장된 적응형 양식 데이터는 GUID와 연결됩니다. 그런 다음 양식 데이터를 업데이트하는 데 동일한 GUID를 사용합니다. 이 서블릿은 "SaveAndContinueLater" 단추를 클릭하면 호출됩니다.

package com.aemforms.saveandcontinue.core.servlets;

import java.io.IOException;
import javax.servlet.Servlet;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.servlets.SlingAllMethodsServlet;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.aemforms.saveandcontinue.core.FetchStoredFormData;
import com.google.gson.JsonObject;

@Component(service = {
  Servlet.class
},
property = {
  "sling.servlet.methods=post",
  "sling.servlet.paths=/bin/storeafdata"
})
public class StoreDataInDB extends SlingAllMethodsServlet {
  private static final Logger log = LoggerFactory.getLogger(StoreDataInDB.class);
  private static final long serialVersionUID = 1L;
  @Reference
  FetchStoredFormData fetchStoredFormData;
  protected void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response) {
    log.debug("Inside my save af data servlet");
    if (request.getParameter("operation").equalsIgnoreCase("update")) {
      log.debug("The operation is update");
      log.debug("The data I got was " + request.getParameter("formdata"));
      String guid = fetchStoredFormData.updateData(request.getParameter("guid"), request.getParameter("formdata"));
      log.debug("The guid I got was  " + guid);
      JsonObject jsonResponse = new JsonObject();
      try {
        jsonResponse.addProperty("guid", guid);
        response.setContentType("application/json");
        response.setCharacterEncoding("UTF-8");
        response.getWriter().write(jsonResponse.toString());

      } catch(IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
    }

    if (request.getParameter("operation").equalsIgnoreCase("insert")) {
      log.debug("The data I got was " + request.getParameter("formdata"));
      String guid = fetchStoredFormData.storeFormData(request.getParameter("formdata"));
      log.debug("The guid on inserting data  " + guid);
      JsonObject jsonResponse = new JsonObject();
      try {
        jsonResponse.addProperty("guid", guid);
        response.setContentType("application/json");
        response.setCharacterEncoding("UTF-8");
        response.getWriter().write(jsonResponse.toString());

      } catch(IOException e) {
        // TODO Auto-generated catch block
        log.debug("error in writing response  " + e.getMessage());
      }
    }

  }

}
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