gistfile1.txt

package com.capgemini.Form.controller;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.ArrayList;

import javax.naming.NamingException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.capgemini.Form.DTO.Person;
import com.capgemini.Form.exception.PersonException;
import com.capgemini.Form.services.IRegistrationService;
import com.capgemini.Form.services.IRegistrationServiceImpl;

/**
 * Servlet implementation class RegistrationController1
 */
@WebServlet("*.mvc")
public class RegistrationController extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    public RegistrationController() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		IRegistrationService service =new IRegistrationServiceImpl();
		
		String action = request.getServletPath();
		Person person = new Person();
		PrintWriter out=response.getWriter();
		switch (action) {
		case "/addPersonForm.mvc":
				System.out.println("Add person");
				RequestDispatcher dispatcher = request.getRequestDispatcher("addPersonForm.jsp");
				dispatcher.forward(request, response);
			break;
			
		case "/addPerson.mvc":
			
				String fName = request.getParameter("txtfName");
				String lName = request.getParameter("txtlName");
				String password = request.getParameter("txtpassword");
				String gender = request.getParameter("txtgender");
				String skill = request.getParameter("txtskill");
				String city = request.getParameter("txtcity");
				
				
				person.setfName(fName);
				person.setlName(lName);
				person.setPassword(password);
				person.setGender(gender);
				person.setSkill(skill);
				person.setCity(city);
				
				
			try 
			{
				service.addPerson(person);
				response.sendRedirect("index.html");  
			} 
			catch (PersonException | SQLException | NamingException e)
			{
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			
		case "/showall.mvc":
				
			ArrayList<Person> myPerson=null;
			try 
			{
				myPerson = service.showall();
			} 
			catch (PersonException | SQLException | NamingException e) 
			{
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			
				
				for(Person person1: myPerson)
				{
				System.out.println(" Person Data is:"+person1.getfName());
				System.out.println(" Person Data is:"+person1.getlName());
				System.out.println(" Person Data is:"+person1.getPassword());
				System.out.println(" Person Data is:"+person1.getGender());
				System.out.println(" Person Data is:"+person1.getSkill());
				System.out.println(" Person Data is:"+person1.getCity());
				
				
				
				out.println(" Id is "+person1.getfName());out.println("<br/>");
				out.println("first Name is "+person1.getlName());out.println("<br/>");
				out.println(" last name "+person1.getPassword());out.println("<br/>");
				out.println(" gender"+person1.getGender());out.println("<br/>");
				out.println("skill set "+person1.getSkill());out.println("<br/>");
				out.println(" city"+person1.getCity());out.println("<br/>");
				
				out.println("<br/>");
				}
			break;

		default :
			break;
		}
		
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		doGet(request,response);
	}

}
==================================================================================



package com.capgemini.Form.DAO;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;

import javax.naming.NamingException;

import com.capgemini.Form.DTO.Person;
import com.capgemini.Form.DbUtil.DbUtil;

public class RegistrationDaoImpl implements RegistrationDao
{
	static Connection conn = null;
	static PreparedStatement pstm = null;
	
	@Override
	public void addPerson(Person person) throws SQLException, NamingException
	{
		 conn = DbUtil.getConnection();
		 pstm = conn.prepareStatement("insert into registeredusers values(?,?,?,?,?,?)");
		
		 pstm.setString(1, person.getfName());
		 pstm.setString(2, person.getlName());
		 pstm.setString(3, person.getPassword());
		 pstm.setString(4, person.getGender());
		 pstm.setString(5, person.getSkill());
		 pstm.setString(6, person.getCity());
		 
		 pstm.executeUpdate();
		 
		
	}

	@Override
	public ArrayList<Person> showall() throws SQLException, NamingException  
	{
		ArrayList<Person> userList = new ArrayList<>();
		conn = DbUtil.getConnection();
		String query = "select * from registeredusers";
		
		try {
			pstm= conn.prepareStatement(query);
			ResultSet res=pstm.executeQuery();
			
			while(res.next())
			{
				Person person = new Person();
				person.setfName(res.getString(1));
				person.setlName(res.getString(2));
				person.setPassword(res.getString(3));
				person.setGender(res.getString(4));
				person.setSkill(res.getString(5));
				person.setCity(res.getString(6));
				
				userList.add(person);
			}
			}
		catch (SQLException e) 
		{
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		return userList;
	}
}
=============================================================================
package com.capgemini.web.servlets;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class SuccessPage
 */
@WebServlet("/SuccessPage")
public class SuccessPage extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public SuccessPage() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
	{
		processRequest(request,response);
	}

	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		processRequest(request,response);
	}
	
	protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
	{
				
		//MyServletContextListener
				ServletContext context=getServletContext();
				String company =context.getInitParameter("company");
		
		//MIME Types
		response.setContentType("text/html");
		
			PrintWriter out=response.getWriter();
			
			out.println("<html>");
			out.println("<body>");
			if(company!=null && company.isEmpty()==false)
			{
				out.println("<h1>"+company+"</h1>");
			}
			
			String name=(String)getServletContext().getAttribute("username");
			out.println("<p>Hello "+name+" Form  Submitted successfully</p>");
			out.println("</body>");
			out.println("</html>");
	}
	


}
=======================================================================================
package com.capgemini.Form.DAO;

import java.sql.SQLException;
import java.util.ArrayList;

import javax.naming.NamingException;

import com.capgemini.Form.DTO.Person;

public interface RegistrationDao 
{
	public void addPerson(Person person) throws SQLException, NamingException;
	public ArrayList<Person> showall() throws SQLException, NamingException;
}
==========================================================================================
package com.capgemini.web.servlets;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.annotation.WebListener;

@WebListener
public class MyServletContextListener implements ServletContextListener
{
	//It will execute at website load
	@Override
	public void contextInitialized(ServletContextEvent arg0) 
	{
		arg0.getServletContext().setInitParameter("company", "capgemini");
		
	}

	//It will execute on website unload
	@Override
	public void contextDestroyed(ServletContextEvent arg0) 
	{
		// TODO Auto-generated method stub
		
	}

	
}
==============================================================================================
package com.capgemini.Form.DbUtil;

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

import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.sql.DataSource;

public class DbUtil 
{
	public static Connection getConnection() throws NamingException, SQLException
	{
		InitialContext context= new InitialContext();
		DataSource datasource=(DataSource) context.lookup("java:/myDS");
		return datasource.getConnection();
	}
}
==============================================================================================
package com.capgemini.web.servlets;

import java.io.IOException;
import java.util.ArrayList;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class ProcessRegisterForm
 */
@WebServlet("/ProcessRegisterForm")
public class ProcessRegisterForm extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public ProcessRegisterForm() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		processRequest(request,response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		processRequest(request,response);
	}
	protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
	{
		String name=request.getParameter("name");
		String mobileno=request.getParameter("mobileno");
		String email=request.getParameter("email");
		String country=request.getParameter("country");
		
		getServletContext().setAttribute("username", name);
		
		ArrayList<String> fieldErrorMessage=new ArrayList<>();
		
		//form Validation
		if(name==null || name.isEmpty())
		{
			fieldErrorMessage.add("Name cannot be empty");
		}
		if(mobileno==null || mobileno.isEmpty())
		{
			fieldErrorMessage.add("Mobile number cannot be empty");
		}
		if(email==null || email.isEmpty())
		{
			fieldErrorMessage.add("Email cannot be empty");
		}
		if(country==null || country.isEmpty())
		{
			fieldErrorMessage.add("Country cannot be empty");
		}
		
		//Request Dispatcher	
		RequestDispatcher rd=null;
		if(fieldErrorMessage.isEmpty())
		{
			//action when validation is success
			rd=request.getRequestDispatcher("SuccessPage");
		}
		else
		{
			//action when validation is failure
			request.setAttribute("errMsg", fieldErrorMessage);
			rd=request.getRequestDispatcher("RegisterForm");
		}
		rd.forward(request, response);
		
	}

}
=====================================================================================
package com.capgemini.web.servlets;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

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

/**
 * Servlet implementation class ErrorPage
 */
@WebServlet("/ErrorPage")
public class ErrorPage extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public ErrorPage() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
	{
		processRequest(request,response);
	}

	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		processRequest(request,response);
	}
	
	protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
	{
		//Catching ArrayList
		Object obj=request.getAttribute("errMsg");
		ArrayList<String> errMsg=null;
		
		//MIME Types
		response.setContentType("text/html");
		
			PrintWriter out=response.getWriter();
			
			out.println("<html>");
			out.println("<body>");
			out.println("<p>Form not submitted.Validation Failure</p>");
			out.println("</body>");
			out.println("</html>");
	
			if(obj !=null && obj instanceof ArrayList)
			{
				errMsg=(ArrayList<String>) obj;	
				out.println("<ul>");
				
				for(int index=0;index<errMsg.size();index++)
				{
					out.println("<li>"+errMsg.get(index)+"</li>");
				}
				out.println("</ul>");
			}
     }
}

=======================================================================================
package com.capgemini.Form.exception;


	public class PersonException extends Exception 
	{

		public PersonException() {
			super();
			
		}

		public PersonException(String string) {
			// TODO Auto-generated constructor stub
		}
		

	}


==============================================================================================

package com.capgemini.web.servlets;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebInitParam;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class RegisterForm
 */
@WebServlet(
			name="/RegisterForm" , 
			urlPatterns={"RegisterForm"},
			initParams={
					@WebInitParam(name="countries",value="India,USA,Australia")
			})
public class RegisterForm extends HttpServlet {

	private static final long serialVersionUID = 1L;

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
	{
		processRequest(request,response);
	}

	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
	{
		processRequest(request,response);
	}
	
	protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
	{
		//ServletConfig
		ServletConfig config=getServletConfig();
		String countries=config.getInitParameter("countries");
		
		//MyServletContextListener
		ServletContext context=getServletContext();
		String company =context.getInitParameter("company");
		
		//Catching ArrayList
				Object obj=request.getAttribute("errMsg");
				ArrayList<String> errMsg=null;
		
		//MIME Types
				response.setContentType("text/html");
				
					PrintWriter out=response.getWriter();
					
					//Login Page
					out.println("<html>");
					out.println("<body>");
					if(company!=null && company.isEmpty()==false)
					{
						out.println("<h1>"+company+"</h1>");
					}
					
					if(obj !=null && obj instanceof ArrayList)
					{
						errMsg=(ArrayList<String>) obj;	
						out.println("<ul>");
						
						for(int index=0;index<errMsg.size();index++)
						{
							out.println("<li>"+errMsg.get(index)+"</li>");
						}
						out.println("</ul>");
					}
					
					out.println("<form action='ProcessRegisterForm' method='post'>");
					out.println("<table>");
					out.println("<tr>");
					out.println("<td>Name:</td>");
					out.println("<td><input type='text' name='name' /></td>");
					out.println("</tr>");
					out.println("<tr>");
					out.println("<td>Mobile No:</td>");
					out.println("<td><input type='text' name='mobileno' /></td>");
					out.println("</tr>");
					out.println("<tr>");
					out.println("<td>Email</td>");
					out.println("<td><input type='text' name='email' /></td>");
					out.println("</tr>");
					out.println("<tr>");
					out.println("<td>Country</td>");
					out.println("<td>");
					out.println("<select name='country'>");
					
					if(countries!=null && countries.isEmpty()== false)
					{
						String[] countryNames=countries.split(",");
						
						for(int index=0;index < countryNames.length;index++)
						{
							out.println("<option value='"+countryNames[index]+"'>"+countryNames[index]+"</option>");
						}
					}
					
					out.println("</select>");
					out.println("</td>");
					out.println("</tr>");
					out.println("<tr>");
					out.println("<td><input type='submit' value='Register'/></td>");
					out.println("<td><input type='reset' value='Clear'/></td>");
					out.println("</tr>	");
					out.println("</table>");
				out.println("</form>");
					
					
					out.println("</body>");
					out.println("</html>");
	}

}
==============================================================================================
package com.capgemini.Form.services;

import java.sql.SQLException;
import java.util.ArrayList;

import javax.naming.NamingException;

import com.capgemini.Form.DTO.Person;
import com.capgemini.Form.exception.PersonException;

public interface IRegistrationService 
{
	public void addPerson(Person person) throws PersonException, SQLException, NamingException; 
	public ArrayList<Person> showall() throws PersonException, SQLException, NamingException; 
}
============================================================================================
package com.capgemini.web.servlets;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebInitParam;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class RegisterForm
 */
@WebServlet(
			name="/RegisterForm" , 
			urlPatterns={"RegisterForm"},
			initParams={
					@WebInitParam(name="countries",value="India,USA,Australia")
			})
public class RegisterForm extends HttpServlet {

	private static final long serialVersionUID = 1L;

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
	{
		processRequest(request,response);
	}

	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
	{
		processRequest(request,response);
	}
	
	protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
	{
		//ServletConfig
		ServletConfig config=getServletConfig();
		String countries=config.getInitParameter("countries");
		
		//MyServletContextListener
		ServletContext context=getServletContext();
		String company =context.getInitParameter("company");
		
		//Catching ArrayList
				Object obj=request.getAttribute("errMsg");
				ArrayList<String> errMsg=null;
		
		//MIME Types
				response.setContentType("text/html");
				
					PrintWriter out=response.getWriter();
					
					//Login Page
					out.println("<html>");
					out.println("<body>");
					if(company!=null && company.isEmpty()==false)
					{
						out.println("<h1>"+company+"</h1>");
					}
					
					if(obj !=null && obj instanceof ArrayList)
					{
						errMsg=(ArrayList<String>) obj;	
						out.println("<ul>");
						
						for(int index=0;index<errMsg.size();index++)
						{
							out.println("<li>"+errMsg.get(index)+"</li>");
						}
						out.println("</ul>");
					}
					
					out.println("<form action='ProcessRegisterForm' method='post'>");
					out.println("<table>");
					out.println("<tr>");
					out.println("<td>Name:</td>");
					out.println("<td><input type='text' name='name' /></td>");
					out.println("</tr>");
					out.println("<tr>");
					out.println("<td>Mobile No:</td>");
					out.println("<td><input type='text' name='mobileno' /></td>");
					out.println("</tr>");
					out.println("<tr>");
					out.println("<td>Email</td>");
					out.println("<td><input type='text' name='email' /></td>");
					out.println("</tr>");
					out.println("<tr>");
					out.println("<td>Country</td>");
					out.println("<td>");
					out.println("<select name='country'>");
					
					if(countries!=null && countries.isEmpty()== false)
					{
						String[] countryNames=countries.split(",");
						
						for(int index=0;index < countryNames.length;index++)
						{
							out.println("<option value='"+countryNames[index]+"'>"+countryNames[index]+"</option>");
						}
					}
					
					out.println("</select>");
					out.println("</td>");
					out.println("</tr>");
					out.println("<tr>");
					out.println("<td><input type='submit' value='Register'/></td>");
					out.println("<td><input type='reset' value='Clear'/></td>");
					out.println("</tr>	");
					out.println("</table>");
				out.println("</form>");
					
					
					out.println("</body>");
					out.println("</html>");
	}

}
==============================================================================================
package com.capgemini.Form.services;

import java.sql.SQLException;
import java.util.ArrayList;

import javax.naming.NamingException;

import com.capgemini.Form.DTO.Person;
import com.capgemini.Form.exception.PersonException;

public interface IRegistrationService 
{
	public void addPerson(Person person) throws PersonException, SQLException, NamingException; 
	public ArrayList<Person> showall() throws PersonException, SQLException, NamingException; 
}
===============================================================================================

package com.capgemini.Form.services;

import java.sql.SQLException;
import java.util.ArrayList;

import javax.naming.NamingException;

import com.capgemini.Form.DTO.Person;
import com.capgemini.Form.exception.PersonException;

public interface IRegistrationService 
{
	public void addPerson(Person person) throws PersonException, SQLException, NamingException; 
	public ArrayList<Person> showall() throws PersonException, SQLException, NamingException; 
}
==============================================================================================
package com.capgemini.Form.services;

import java.sql.SQLException;
import java.util.ArrayList;

import javax.naming.NamingException;

import com.capgemini.Form.DAO.RegistrationDao;
import com.capgemini.Form.DAO.RegistrationDaoImpl;
import com.capgemini.Form.DTO.Person;
import com.capgemini.Form.exception.PersonException;


public class IRegistrationServiceImpl implements IRegistrationService
{
	RegistrationDao dao = new RegistrationDaoImpl();
	
	@Override
	public void addPerson(Person person) throws PersonException, SQLException, NamingException
	{
		dao.addPerson(person);
	}
	
	public ArrayList<Person> showall() throws PersonException, SQLException, NamingException 
	{
		return dao.showall();
	}
}
===============================================================================================

package com.capgemini.Form.DTO;

public class Person 
{
	private String fName;
	private String lName;
	private  String password;
	private String gender;
	private String skill;
	private String city;
	
	
	public Person() 
	{
		super();
		// TODO Auto-generated constructor stub
	}


	public Person(String fName, String lName, String password, String gender,
			String skill, String city) {
		super();
		this.fName = fName;
		this.lName = lName;
		this.password = password;
		this.gender = gender;
		this.skill = skill;
		this.city = city;
	}


	public String getfName() {
		return fName;
	}


	public void setfName(String fName) {
		this.fName = fName;
	}


	public String getlName() {
		return lName;
	}


	public void setlName(String lName) {
		this.lName = lName;
	}


	public String getPassword() {
		return password;
	}


	public void setPassword(String password) {
		this.password = password;
	}


	public String getGender() {
		return gender;
	}


	public void setGender(String gender) {
		this.gender = gender;
	}


	public String getSkill() {
		return skill;
	}


	public void setSkill(String skill) {
		this.skill = skill;
	}


	public String getCity() {
		return city;
	}


	public void setCity(String city) {
		this.city = city;
	}


	@Override
	public String toString() {
		return "Person [fName=" + fName + ", lName=" + lName + ", password="
				+ password + ", gender=" + gender + ", skill=" + skill
				+ ", city=" + city + "]";
	}
	
}
==========================================================================