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- <%@ page language="java" contentType="text/html; charset=ISO-8859-1"
- pageEncoding="ISO-8859-1"%>
- <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
- <html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
- <title>Insert title here</title>
- <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
- </head>
- <body>
- <h3>Add / Edit Employee!!!</h3>
- <form method="post" action="/SpringMVCTutorial/employee.html" commandName="employee">
- <div class="table-responsive">
- <table class="table table-bordered" style="width: 300px">
- <input type="text" name="id" />
- <input type="text" name="name" />
- <input type="text" name="age" />
- <input type="text" name="dept" />
- <input class="btn btn-primary btn-sm" type="submit" value="Submit" />
- </tr>
- </table>
- </div>
- </form>
- <br>
- <br>
- <h3>List of Employees</h3>
- <table class="table table-bordered" style="width: 300px">
- <tr>
- <th>Id</th>
- <th>Name</th>
- <th>Age</th>
- <th>Department</th>
- <th>Edit/Delete</th>
- </tr>
- <c:forEach items="$ {employeeList}" var="employee">
- <tr>
- <td width="60" align="center">${employee.id}</td>
- <td width="60" align="center">${employee.name}</td>
- <td width="60" align="center">${employee.age}</td>
- <td width="60" align="center">${employee.dept}</td>
- <td width="60" align="center"><a href="edit/${employee.id}">Edit</a>/<a href="delete/${employee.id}">Delete</a></td>
- </tr>
- </c:forEach>
- </table>
- </body>
- </html>
- package com.javainterviewpoint;
- import java.io.Serializable;
- public class Employee implements Serializable
- {
- private static final long serialVersionUID = -1280037900360314186L;
- private Integer id;
- private String name;
- private Integer age;
- private String dept;
- public Employee()
- {
- super();
- }
- public Employee(Integer id, String name, Integer age, String dept)
- {
- super();
- this.id = id;
- this.name = name;
- this.age = age;
- this.dept = dept;
- }
- public Integer getId()
- {
- return id;
- }
- public void setId(Integer id)
- {
- this.id = id;
- }
- public String getName()
- {
- return name;
- }
- public void setName(String name)
- {
- this.name = name;
- }
- public Integer getAge()
- {
- return age;
- }
- public void setAge(Integer age)
- {
- this.age = age;
- }
- public String getDept()
- {
- return dept;
- }
- public void setDept(String dept)
- {
- this.dept = dept;
- }
- @Override
- public int hashCode()
- {
- final int prime = 31;
- int result = 1;
- result = prime * result + ((age == null) ? 0 : age.hashCode());
- result = prime * result + ((dept == null) ? 0 : dept.hashCode());
- result = prime * result + ((id == null) ? 0 : id.hashCode());
- result = prime * result + ((name == null) ? 0 : name.hashCode());
- return result;
- }
- @Override
- public boolean equals(Object obj)
- {
- if (this == obj)
- return true;
- if (obj == null)
- return false;
- if (getClass() != obj.getClass())
- return false;
- Employee other = (Employee) obj;
- if (age == null)
- {
- if (other.age != null)
- return false;
- } else if (!age.equals(other.age))
- return false;
- if (dept == null)
- {
- if (other.dept != null)
- return false;
- } else if (!dept.equals(other.dept))
- return false;
- if (id == null)
- {
- if (other.id != null)
- return false;
- } else if (!id.equals(other.id))
- return false;
- if (name == null)
- {
- if (other.name != null)
- return false;
- } else if (!name.equals(other.name))
- return false;
- return true;
- }
- @Override
- public String toString()
- {
- return "Employee [id=" + id + ", name=" + name + ", age=" + age + ", dept=" + dept + "]";
- }
- }
- package com.javainterviewpoint;
- import java.util.List;
- import org.springframework.beans.factory.annotation.Autowired;
- import org.springframework.dao.EmptyResultDataAccessException;
- import org.springframework.stereotype.Controller;
- import org.springframework.web.bind.annotation.ModelAttribute;
- import org.springframework.web.bind.annotation.PathVariable;
- import org.springframework.web.bind.annotation.RequestMapping;
- import org.springframework.web.bind.annotation.RequestMethod;
- import org.springframework.web.servlet.ModelAndView;
- @Controller
- public class EmployeeController
- {
- @Autowired
- private EmployeeDAO employeeDAO;
- @RequestMapping(value = "/employee",method=RequestMethod.POST)
- public ModelAndView saveEmployee(@ModelAttribute("employee") Employee employee)
- {
- try
- {
- if(employeeDAO.getEmployeeById(employee.getId()) != null);
- employeeDAO.updateEmployee(employee);
- }
- catch(EmptyResultDataAccessException e)
- {
- System.out.println("inside catch");
- employeeDAO.saveEmployee(employee);
- }
- return new ModelAndView("redirect:/employees");
- }
- @RequestMapping(value = "/edit/{id}")
- public ModelAndView editEmployee(@ModelAttribute("employee") Employee employee,@PathVariable("id") int id)
- {
- ModelAndView model = new ModelAndView("employees");
- employee = employeeDAO.getEmployeeById(id);
- List<Employee> employeeList = employeeDAO.getAllEmployees();
- model.addObject("employee",employee);
- model.addObject("employeeList",employeeList);
- return model;
- }
- @RequestMapping(value = "/delete/{id}")
- public ModelAndView deleteEmployee(@ModelAttribute("employee") Employee employee,@PathVariable("id") int id)
- {
- employeeDAO.deleteEmployee(id);
- return new ModelAndView("redirect:/employees");
- }
- @RequestMapping(value = "/employees")
- public ModelAndView listEmployees(@ModelAttribute("employee") Employee employee)
- {
- ModelAndView model = new ModelAndView("employees");
- List<Employee> employeeList = employeeDAO.getAllEmployees();
- System.out.println(employeeList);
- model.addObject("employeeList", employeeList);
- return model;
- }
- }
- package com.javainterviewpoint;
- import java.util.List;
- public interface EmployeeDAO
- {
- public void saveEmployee(Employee employee);
- public Employee getEmployeeById(int id);
- public void updateEmployee(Employee employee);
- public void deleteEmployee(int id);
- public List<Employee> getAllEmployees();
- }
- package com.javainterviewpoint;
- import java.sql.ResultSet;
- import java.sql.SQLException;
- import java.util.ArrayList;
- import java.util.List;
- import org.springframework.dao.DataAccessException;
- import org.springframework.jdbc.core.JdbcTemplate;
- import org.springframework.jdbc.core.ResultSetExtractor;
- import org.springframework.jdbc.core.RowMapper;
- import org.springframework.stereotype.Repository;
- @Repository
- public class EmployeeDAOImpl implements EmployeeDAO
- {
- private JdbcTemplate jdbcTemplate;
- // JdbcTemplate setter
- public void setJdbcTemplate(JdbcTemplate jdbcTemplate)
- {
- this.jdbcTemplate = jdbcTemplate;
- }
- // Saving a new Employee
- public void saveEmployee(Employee employee)
- {
- String sql = "insert into employee1 values(?,?,?,?)";
- System.out.println("dao called");
- jdbcTemplate.update(sql, new Object[]
- { employee.getId(), employee.getAge(), employee.getDept(), employee.getName() });
- }
- // Getting a particular Employee
- public Employee getEmployeeById(int id)
- {
- String sql = "select * from employee1 where id=?";
- Employee employee = (Employee) jdbcTemplate.queryForObject(sql, new Object[]
- { id }, new RowMapper<Employee>()
- {
- @Override
- public Employee mapRow(ResultSet rs, int rowNum) throws SQLException
- {
- Employee employee = new Employee();
- employee.setId(rs.getInt(1));
- employee.setAge(rs.getInt(2));
- employee.setDept(rs.getString(3));
- employee.setName(rs.getString(4));
- return employee;
- }
- });
- return employee;
- }
- // Getting all the Employees
- public List<Employee> getAllEmployees()
- {
- String sql = "select * from employee1";
- List<Employee> employeeList = jdbcTemplate.query(sql, new ResultSetExtractor<List<Employee>>()
- {
- @Override
- public List<Employee> extractData(ResultSet rs) throws SQLException, DataAccessException
- {
- List<Employee> list = new ArrayList<Employee>();
- while (rs.next())
- {
- Employee employee = new Employee();
- employee.setId(rs.getInt(1));
- employee.setAge(rs.getInt(2));
- employee.setDept(rs.getString(3));
- employee.setName(rs.getString(4));
- list.add(employee);
- }
- return list;
- }
- });
- return employeeList;
- }
- // Updating a particular Employee
- public void updateEmployee(Employee employee)
- {
- String sql = "update employee1 set age =?, dept=?,name=? where id=?";
- jdbcTemplate.update(sql, new Object[]
- { employee.getAge(), employee.getDept(), employee.getName(), employee.getId() });
- }
- // Deletion of a particular Employee
- public void deleteEmployee(int id)
- {
- String sql = "delete employee1 where id=?";
- jdbcTemplate.update(sql, new Object[]
- { id });
- }
- }
- <?xml version="1.0" encoding="UTF-8"?>
- <beans xmlns="http://www.springframework.org/schema/beans"
- xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xmlns:p="http://www.springframework.org/schema/p"
- xmlns:context="http://www.springframework.org/schema/context"
- xsi:schemaLocation="http://www.springframework.org/schema/beans
- http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
- http://www.springframework.org/schema/context
- http://www.springframework.org/schema/context/spring-context-3.0.xsd">
- <context:component-scan base-package="com.javainterviewpoint" />
- <bean id="employeeDAOImpl" class="com.javainterviewpoint.EmployeeDAOImpl">
- <property name="jdbcTemplate" ref="jdbcTemplate" />
- </bean>
- <!-- Database Configurations -->
- <bean id="dataSource"
- class="org.springframework.jdbc.datasource.DriverManagerDataSource">
- <property name="driverClassName" value="com.mysql.jdbc.Driver" />
- <property name="url" value="jdbc:mysql://localhost:3306/headway" />
- <property name="username" value="root" />
- <property name="password" value="toor" />
- </bean>
- <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
- <property name="dataSource" ref="dataSource" />
- </bean>
- <bean
- class="org.springframework.web.servlet.view.InternalResourceViewResolver">
- <property name="prefix" value="/WEB-INF/JSP/" />
- <property name="suffix" value=".jsp" />
- </bean>
- </beans>
- <form method="post" action="/SpringMVCTutorial/employee.html"
- @RequestMapping(value = "/employee",method=RequestMethod.POST)
- public ModelAndView saveEmployee(@ModelAttribute("employee") Employee employee)
- <form method="post" action="employee"
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