Getting Started with Spring started

Author: style95

.gitignore

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+*/.idea/
+*/*.class
+*/*.o
+*/target/
+*.iml

GettingStartedWithSpring/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<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/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>sec.samsung.com</groupId>
+    <artifactId>GettingStartedWithSpring</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>5.1.30</version>
+        </dependency>
+
+            <dependency>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-context</artifactId>
+                <version>4.0.3.RELEASE</version>
+            </dependency>
+
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-jdbc</artifactId>
+            <version>4.0.3.RELEASE</version>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit-dep</artifactId>
+            <version>4.11</version>
+        </dependency>
+
+
+
+    </dependencies>
+
+</project>

GettingStartedWithSpring/src/main/java/com/samsung/sec/ConnectionMaker.java

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+/**
+ * Created by style95 on 4/14/14.
+ */
+package com.samsung.sec;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+
+
+public interface ConnectionMaker {
+    public Connection makeNewConneciton() throws ClassNotFoundException, SQLException;
+}

GettingStartedWithSpring/src/main/java/com/samsung/sec/DConnectionMaker.java

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+package com.samsung.sec;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+/**
+ * Created by style95 on 4/14/14.
+ */
+public class DConnectionMaker implements ConnectionMaker {
+    @Override
+    public Connection makeNewConneciton() throws ClassNotFoundException, SQLException {
+        Class.forName("com.mysql.jdbc.Driver");
+        Connection c = DriverManager.getConnection(
+                "jdbc:mysql://localhost:3306/spring", "root", "qwe123");
+
+        return c;
+    }
+}

GettingStartedWithSpring/src/main/java/com/samsung/sec/DaoFactory.java

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+/**
+ * Created by style95 on 4/14/14.
+ */
+package com.samsung.sec;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.jdbc.datasource.SimpleDriverDataSource;
+
+import javax.sql.DataSource;
+
+@Configuration
+public class DaoFactory {
+    @Bean
+    public UserDao userDao() {
+        UserDao userdao = new UserDao();
+        userdao.setDataSource(dataSource());
+
+        return userdao;
+    }
+
+    @Bean
+    public DataSource dataSource() {
+        SimpleDriverDataSource dataSource = new SimpleDriverDataSource();
+
+        dataSource.setDriverClass(com.mysql.jdbc.Driver.class);
+        dataSource.setUrl("jdbc:mysql://localhost/spring");
+        dataSource.setUsername("root");
+        dataSource.setPassword("qwe123");
+
+        return dataSource;
+    }
+}

GettingStartedWithSpring/src/main/java/com/samsung/sec/User.java

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+package com.samsung.sec;
+
+public class User {
+    String id;
+    String name;
+    String password;
+
+    public String getName() {
+        return name;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+}

GettingStartedWithSpring/src/main/java/com/samsung/sec/UserDao.java

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+
+/**
+ * Created by style95 on 4/14/14.
+ */
+
+package com.samsung.sec;
+
+import javax.sql.DataSource;
+import java.sql.*;
+
+public class UserDao {
+    private DataSource dataSource;
+
+    public void setDataSource(DataSource dataSource) {
+        this.dataSource = dataSource;
+    }
+    public void add(User user) throws ClassNotFoundException, SQLException {
+        Connection c = dataSource.getConnection();
+
+        PreparedStatement ps = c.prepareStatement("insert into users(id, name, password) values(?,?,?)");
+        ps.setString(1, user.getId());
+        ps.setString(2, user.getName());
+        ps.setString(3, user.getPassword());
+
+        ps.executeUpdate();
+
+        ps.close();
+        c.close();
+    }
+
+    public User get(String id) throws ClassNotFoundException, SQLException {
+        Connection c = dataSource.getConnection();
+
+        PreparedStatement ps = c.prepareStatement(
+                "select * from users where id =?");
+        ps.setString(1,id);
+
+        ResultSet rs = ps.executeQuery();
+        rs.next();
+        User user = new User();
+        user.setId(rs.getString("id"));
+        user.setName(rs.getString("name"));
+        user.setPassword(rs.getString("password"));
+
+        rs.close();
+        ps.close();
+        c.close();
+
+        return user;
+    }
+}

GettingStartedWithSpring/src/main/resources/applicationContext.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"
+        xsi:schemaLocation="http://www.springframework.org/schema/beans
+        http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+
+    <bean id="connectionMaker" class="org.springframework.jdbc.datasource.SimpleDriverDataSource" />
+    <bean id="userDao" class="com.samsung.sec.UserDao">
+            <property name="dataSource" ref="connectionMaker" />
+    </bean>
+</beans>

GettingStartedWithSpring/src/test/java/com/samsung/sec/UserDaoTest.java

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+package com.samsung.sec;
+
+import com.samsung.sec.User;
+import com.samsung.sec.UserDao;
+import org.junit.Test;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.support.GenericXmlApplicationContext;
+
+import java.sql.SQLException;
+import java.util.Properties;
+
+/**
+ * Created by style95 on 4/14/14.
+ */
+
+public class UserDaoTest {
+    @Test
+    public void doTest() throws SQLException, ClassNotFoundException {
+//        ApplicationContext context = new GenericXmlApplicationContext("applicationContext.xml");
+        ApplicationContext context = new AnnotationConfigApplicationContext(DaoFactory.class);
+
+        UserDao dao = context.getBean("userDao",UserDao.class);
+
+        User user = new User();
+        user.setId("whiteship");
+        user.setName("백기선");
+        user.setPassword("married");
+
+        dao.add(user);
+
+        System.out.println(user.getId() + " 등록 성공");
+
+        User user2 = dao.get(user.getId());
+        System.out.println(user2.getName());
+        System.out.println(user2.getPassword());
+
+        System.out.println(user2.getId() + " 조회 성공");
+    }
+}