Storing Submitted Data in Database

package com.aemforms.json.core.servlets;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.sql.DataSource;

import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.servlets.SlingAllMethodsServlet;
import org.json.JSONException;
import org.json.JSONObject;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Component(service = Servlet.class, property = {

"sling.servlet.methods=get", "sling.servlet.methods=post",

"sling.servlet.paths=/bin/storeafsubmission"

})
public class HandleAdaptiveFormSubmission extends SlingAllMethodsServlet {
 private static final Logger log = LoggerFactory.getLogger(HandleAdaptiveFormSubmission.class);
 private static final long serialVersionUID = 1L;
 @Reference(target = "(&(objectclass=javax.sql.DataSource)(datasource.name=aemformswithjson))")
 private DataSource dataSource;

 protected void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException {
  JSONObject afSubmittedData;
  try {
   afSubmittedData = new JSONObject(request.getParameter("jcr:data"));
   // we will only store the data bound to schema
   JSONObject dataToStore = afSubmittedData.getJSONObject("afData").getJSONObject("afBoundData")
     .getJSONObject("data");
   String formName = afSubmittedData.getJSONObject("afData").getJSONObject("afSubmissionInfo")
     .getString("afPath");
   log.debug("The form name is " + formName);
   insertData(dataToStore, formName);

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

 }

 public void insertData(org.json.JSONObject jsonData, String formName) {
  log.debug("The json object I got to insert was " + jsonData.toString());
  String insertTableSQL = "INSERT INTO aemformswithjson.formsubmissions(formdata,formname) VALUES(?,?)";
  log.debug("The query is " + insertTableSQL);
  Connection c = getConnection();
  PreparedStatement pstmt = null;
  try {
   pstmt = null;
   pstmt = c.prepareStatement(insertTableSQL);
   pstmt.setString(1, jsonData.toString());
   pstmt.setString(2, formName);
   log.debug("Executing the insert statment  " + pstmt.executeUpdate());
   c.commit();
  } catch (SQLException e) {

   log.error("Getting errors", e);
  } finally {
   if (pstmt != null) {
    try {
     pstmt.close();
    } catch (SQLException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }
   }
   if (c != null) {
    try {
     c.close();
    } catch (SQLException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }
   }
  }
 }

 public Connection getConnection() {
  log.debug("Getting Connection ");
  Connection con = null;
  try {

   con = dataSource.getConnection();
   log.debug("got connection");
   return con;
  } catch (Exception e) {
   log.error("not able to get connection ", e);
  }
  return null;
 }

}