Bs santosh spring mybatis

spring-mybatis/pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>com.baeldung</groupId>
+	<artifactId>spring-mybatis</artifactId>
+	<packaging>jar</packaging>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>spring-mybatis Maven Webapp</name>
+	<url>http://maven.apache.org</url>
+	<dependencies>
+		<dependency>
+			<groupId>org.mybatis</groupId>
+			<artifactId>mybatis</artifactId>
+			<version>3.1.1</version>
+		</dependency>
+		<dependency>
+			<groupId>org.mybatis</groupId>
+			<artifactId>mybatis-spring</artifactId>
+			<version>1.1.1</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-context-support</artifactId>
+			<version>3.1.1.RELEASE</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-test</artifactId>
+			<version>3.1.1.RELEASE</version>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>mysql</groupId>
+			<artifactId>mysql-connector-java</artifactId>
+			<version>5.1.40</version>
+		</dependency>
+		<dependency>
+			<groupId>javax.servlet</groupId>
+			<artifactId>jstl</artifactId>
+			<version>1.2</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-webmvc</artifactId>
+			<version>3.2.4.RELEASE</version>
+		</dependency>
+		<dependency>
+			<groupId>javax.servlet</groupId>
+			<artifactId>servlet-api</artifactId>
+			<version>2.5</version>
+		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>3.8.1</version>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+	<build>
+		<finalName>spring-mybatis</finalName>
+	</build>
+</project>

spring-mybatis/src/main/java/com/baeldung/spring/mybatis/application/SpringMyBatisApplication.java

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+package com.baeldung.spring.mybatis.application;
+
+import java.util.Date;
+
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+import com.baeldung.spring.mybatis.model.Student;
+import com.baeldung.spring.mybatis.service.StudentService;
+
+public class SpringMyBatisApplication {
+
+	public static void main(String[] args){
+		ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext("mybatis-spring.xml");
+
+		StudentService studentService = (StudentService) ctx.getBean("studentService");
+		Student student = new Student();
+		student.setFirstName("Santosh");
+		student.setLastName("B S");
+		student.setEmailAddress("santosh.bse@gmail.com");
+		student.setPassword("Test123");
+		student.setDateOfBirth(new Date());
+		student.setUserName("santoshbs1");
+
+		boolean result = studentService.insertStudent(student);
+		if(result){
+			System.out.println("Student record saved successfully");
+		}
+		else{
+			System.out.println("Encountered an error while saving student data");
+		}
+
+		final String userName = "santosh";
+		Student matchingStudent = studentService.getStudentByUserName(userName);
+		if(matchingStudent == null){
+			System.out.println("No matching student found for User Name - " + userName);
+		}
+		else{
+			System.out.println("Student Details are as follows : ");
+			System.out.println("First Name : " + matchingStudent.getFirstName());
+			System.out.println("Last Name : " + matchingStudent.getLastName());
+			System.out.println("EMail : " + matchingStudent.getEmailAddress());
+			System.out.println("DOB : " + matchingStudent.getDateOfBirth());
+			System.out.println("User Name : " + matchingStudent.getUserName());
+		}
+
+	}
+
+}

spring-mybatis/src/main/java/com/baeldung/spring/mybatis/controller/StudentController.java

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+package com.baeldung.spring.mybatis.controller;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.ui.ModelMap;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.SessionAttributes;
+
+import com.baeldung.spring.mybatis.model.Student;
+import com.baeldung.spring.mybatis.model.StudentLogin;
+import com.baeldung.spring.mybatis.service.StudentService;
+
+@Controller
+@SessionAttributes("student")
+public class StudentController {
+
+	@Autowired
+	private StudentService studentService;
+
+	@RequestMapping(value = "/signup", method = RequestMethod.GET)
+	public String signup(Model model) {
+		Student student = new Student();
+		model.addAttribute("student", student);
+		return "signup";
+	}
+
+	@RequestMapping(value = "/signup", method = RequestMethod.POST)
+	public String signup(@Validated @ModelAttribute("student") Student student, BindingResult result, ModelMap model) {
+		if (studentService.getStudentByUserName(student.getUserName())) {
+			model.addAttribute("message", "User Name exists. Try another user name");
+			return "signup";
+		} else {
+			studentService.insertStudent(student);
+			model.addAttribute("message", "Saved student details");
+			return "redirect:login.html";
+		}
+	}
+
+	@RequestMapping(value = "/login", method = RequestMethod.GET)
+	public String login(Model model) {
+		StudentLogin studentLogin = new StudentLogin();
+		model.addAttribute("studentLogin", studentLogin);
+		return "login";
+	}
+
+	@RequestMapping(value = "/login", method = RequestMethod.POST)
+	public String login(@ModelAttribute("studentLogin") StudentLogin studentLogin, BindingResult result, ModelMap model) {
+		boolean found = studentService.getStudentByLogin(studentLogin.getUserName(), studentLogin.getPassword());
+		if (found) {
+			return "success";
+		} else {
+			return "failure";
+		}
+	}
+}

spring-mybatis/src/main/java/com/baeldung/spring/mybatis/mappers/StudentMapper.java

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+package com.baeldung.spring.mybatis.mappers;
+
+import org.apache.ibatis.annotations.Insert;
+import org.apache.ibatis.annotations.Options;
+import org.apache.ibatis.annotations.Select;
+
+import com.baeldung.spring.mybatis.model.Student;
+
+public interface StudentMapper {
+	@Insert("INSERT INTO student(userName, password, firstName,lastName, dateOfBirth, emailAddress) VALUES"
+			+ "(#{userName},#{password}, #{firstName},  #{lastName}, #{dateOfBirth}, #{emailAddress})")
+	@Options(useGeneratedKeys = true, keyProperty = "id", flushCache = true, keyColumn = "id")
+	public void insertStudent(Student student);
+
+	@Select("SELECT USERNAME as userName, PASSWORD as password, FIRSTNAME as firstName, LASTNAME as lastName, "
+			+ "DATEOFBIRTH as dateOfBirth, EMAILADDRESS as emailAddress " + "FROM student WHERE userName = #{userName}")
+	public Student getStudentByUserName(String userName);
+
+}

spring-mybatis/src/main/java/com/baeldung/spring/mybatis/model/Student.java

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+package com.baeldung.spring.mybatis.model;
+
+import java.util.Date;
+
+public class Student {
+	private Long id;
+	private String userName;
+	private String firstName;
+	private String lastName;
+	private String password;
+	private String emailAddress;
+	private Date dateOfBirth;
+	public Long getId() {
+		return id;
+	}
+	public void setId(Long id) {
+		this.id = id;
+	}
+	public String getUserName() {
+		return userName;
+	}
+	public void setUserName(String userName) {
+		this.userName = userName;
+	}
+	public String getFirstName() {
+		return firstName;
+	}
+	public void setFirstName(String firstName) {
+		this.firstName = firstName;
+	}
+	public String getLastName() {
+		return lastName;
+	}
+	public void setLastName(String lastName) {
+		this.lastName = lastName;
+	}
+	public String getPassword() {
+		return password;
+	}
+	public void setPassword(String password) {
+		this.password = password;
+	}
+	public String getEmailAddress() {
+		return emailAddress;
+	}
+	public void setEmailAddress(String emailAddress) {
+		this.emailAddress = emailAddress;
+	}
+	public Date getDateOfBirth() {
+		return dateOfBirth;
+	}
+	public void setDateOfBirth(Date dateOfBirth) {
+		this.dateOfBirth = dateOfBirth;
+	}
+}

spring-mybatis/src/main/java/com/baeldung/spring/mybatis/model/StudentLogin.java

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+package com.baeldung.spring.mybatis.model;
+
+public class StudentLogin {
+	private String userName;
+	private String password;
+	public String getUserName() {
+		return userName;
+	}
+	public void setUserName(String userName) {
+		this.userName = userName;
+	}
+	public String getPassword() {
+		return password;
+	}
+	public void setPassword(String password) {
+		this.password = password;
+	}
+}

spring-mybatis/src/main/java/com/baeldung/spring/mybatis/service/StudentService.java

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+package com.baeldung.spring.mybatis.service;
+
+import com.baeldung.spring.mybatis.model.Student;
+
+public interface StudentService {
+	public boolean insertStudent(Student student);
+	public Student getStudentByLogin(String userName, String password);
+	public Student getStudentByUserName(String userName);
+}

spring-mybatis/src/main/java/com/baeldung/spring/mybatis/service/StudentServiceImpl.java

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+package com.baeldung.spring.mybatis.service;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.baeldung.spring.mybatis.mappers.StudentMapper;
+import com.baeldung.spring.mybatis.model.Student;
+
+@Service("studentService")
+public class StudentServiceImpl implements StudentService {
+
+	@Autowired
+	private StudentMapper studentMapper;
+
+	@Transactional
+	public boolean insertStudent(Student student) {
+		boolean result=false;
+		try{
+			studentMapper.insertStudent(student);
+			result = true;
+		}
+		catch(Exception ex){
+			ex.printStackTrace();
+			result = false;
+		}
+		return result;
+	}
+
+	public Student getStudentByLogin(String userName, String password) {
+		Student student = studentMapper.getStudentByUserName(userName);
+		return student;
+	}
+
+	public Student getStudentByUserName(String userName) {
+		Student student = studentMapper.getStudentByUserName(userName);
+		return student;
+	}
+
+}

spring-mybatis/src/main/resources/mybatis-spring.xml

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+<?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:context="http://www.springframework.org/schema/context"
+	xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:tx="http://www.springframework.org/schema/tx"
+	xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd
+      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+      http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
+      http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd">
+
+	<mvc:annotation-driven />
+	<context:component-scan base-package="com.baeldung.spring.mybatis" />
+	<bean
+		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
+		<property name="prefix" value="/WEB-INF/jsp/" />
+		<property name="suffix" value=".jsp" />
+	</bean>
+	<!-- <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/baeldung;" />
+		<property name="username" value="root" />
+		<property name="password" value="admin" />
+	</bean> -->
+
+
+	<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/baeldung" />
+		<property name="username" value="root" />
+		<property name="password" value="admin" />
+	</bean>
+
+	<tx:annotation-driven transaction-manager="transactionManager" />
+	<bean id="transactionManager"
+		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
+		<property name="dataSource" ref="dataSource" />
+	</bean>
+	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
+		<property name="dataSource" ref="dataSource" />
+		<property name="typeAliasesPackage" value="com.baeldung.spring.mybatis.model" />
+		<property name="mapperLocations" value="classpath*:com/baeldung/spring/mappers/*.xml" />
+	</bean>
+	<bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
+		<constructor-arg index="0" ref="sqlSessionFactory" />
+	</bean>
+	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
+		<property name="basePackage" value="com.baeldung.spring.mybatis.mappers" />
+	</bean>
+
+	<bean id="studentService" class="com.baeldung.spring.mybatis.service.StudentServiceImpl"></bean>
+
+</beans>