2026-04 spring-03 added

2026-05-30 10:50:42 +00:00 · 2026-05-19 20:34:18 +04:00
parent a863ee0ff8
commit 88cb57e8c1
30 changed files with 496 additions and 0 deletions
@@ -0,0 +1,24 @@
+target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
@@ -0,0 +1,18 @@
+<?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>ru.otus</groupId>
+    <artifactId>spring-03</artifactId>
+    <version>1.0</version>
+
+    <packaging>pom</packaging>
+
+    <modules>
+        <module>spring-03-exercise</module>
+        <module>spring-03-solution1</module>
+        <module>spring-03-solution2</module>
+    </modules>
+</project>
@@ -0,0 +1,24 @@
+<?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>ru.otus</groupId>
+    <artifactId>spring-03-exercise</artifactId>
+    <version>1.0</version>
+
+    <properties>
+        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>6.2.18</version>
+        </dependency>
+    </dependencies>
+</project>
@@ -0,0 +1,17 @@
+package ru.otus.spring;
+
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.service.PersonService;
+
+public class Main {
+
+    public static void main(String[] args) {
+        AnnotationConfigApplicationContext context = null;
+
+        PersonService service = context.getBean(PersonService.class);
+
+        Person ivan = service.getByName("Ivan");
+        System.out.println("name: " + ivan.getName() + " age: " + ivan.getAge());
+    }
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.config;
+
+import ru.otus.spring.dao.PersonDao;
+import ru.otus.spring.dao.PersonDaoSimple;
+
+public class DaoConfig {
+
+    public PersonDao personDaoSimple() {
+        return new PersonDaoSimple();
+    }
+}
@@ -0,0 +1,12 @@
+package ru.otus.spring.config;
+
+import ru.otus.spring.dao.PersonDao;
+import ru.otus.spring.service.PersonService;
+import ru.otus.spring.service.PersonServiceImpl;
+
+public class ServicesConfig {
+
+    public PersonService personService(PersonDao dao) {
+        return new PersonServiceImpl(dao);
+    }
+}
@@ -0,0 +1,8 @@
+package ru.otus.spring.dao;
+
+import ru.otus.spring.domain.Person;
+
+public interface PersonDao {
+
+    Person findByName(String name);
+}
@@ -0,0 +1,10 @@
+package ru.otus.spring.dao;
+
+import ru.otus.spring.domain.Person;
+
+public class PersonDaoSimple implements PersonDao {
+
+    public Person findByName(String name) {
+        return new Person(name, 18);
+    }
+}
@@ -0,0 +1,10 @@
+package ru.otus.spring.dao;
+
+import ru.otus.spring.domain.Person;
+
+public class PersonDaoSmart implements PersonDao {
+
+    public Person findByName(String name) {
+        return new Person(name, 21);
+    }
+}
@@ -0,0 +1,20 @@
+package ru.otus.spring.domain;
+
+public class Person {
+
+    private final String name;
+    private final int age;
+
+    public Person(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getAge() {
+        return age;
+    }
+}
@@ -0,0 +1,8 @@
+package ru.otus.spring.service;
+
+import ru.otus.spring.domain.Person;
+
+public interface PersonService {
+
+    Person getByName(String name);
+}
@@ -0,0 +1,17 @@
+package ru.otus.spring.service;
+
+import ru.otus.spring.dao.PersonDao;
+import ru.otus.spring.domain.Person;
+
+public class PersonServiceImpl implements PersonService {
+
+    private final PersonDao dao;
+
+    public PersonServiceImpl(PersonDao dao) {
+        this.dao = dao;
+    }
+
+    public Person getByName(String name) {
+        return dao.findByName(name);
+    }
+}
@@ -0,0 +1,40 @@
+<?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>ru.otus</groupId>
+    <artifactId>spring-03-solution1</artifactId>
+    <version>1.0</version>
+
+    <properties>
+
+        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>6.2.18</version>
+        </dependency>
+    </dependencies>
+
+<!--    https://stackoverflow.com/questions/74600681/warning-printed-after-migrating-to-spring-boot-3-0-spring-integration-6-0 -->
+<!--    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>3.11.0</version>
+                    <configuration>
+                        <parameters>true</parameters>
+                    </configuration>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>-->
+</project>
@@ -0,0 +1,22 @@
+package ru.otus.spring;
+
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.service.PersonService;
+
+@Configuration
+@ComponentScan
+public class Main {
+
+    public static void main(String[] args) {
+        AnnotationConfigApplicationContext context =
+                new AnnotationConfigApplicationContext(Main.class);
+
+        PersonService service = context.getBean(PersonService.class);
+
+        Person ivan = service.getByName("Ivan");
+        System.out.println("name: " + ivan.getName() + " age: " + ivan.getAge());
+    }
+}
@@ -0,0 +1,21 @@
+package ru.otus.spring.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import ru.otus.spring.dao.PersonDao;
+import ru.otus.spring.dao.PersonDaoSimple;
+import ru.otus.spring.dao.PersonDaoSmart;
+
+@Configuration
+public class DaoConfig {
+
+    @Bean
+    public PersonDao personDaoSimple() {
+        return new PersonDaoSimple();
+    }
+
+    @Bean
+    public PersonDao personDaoSmart() {
+        return new PersonDaoSmart();
+    }
+}
@@ -0,0 +1,17 @@
+package ru.otus.spring.config;
+
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import ru.otus.spring.dao.PersonDao;
+import ru.otus.spring.service.PersonService;
+import ru.otus.spring.service.PersonServiceImpl;
+
+@Configuration
+public class ServicesConfig {
+
+    @Bean
+    public PersonService personService(@Qualifier("personDaoSmart") PersonDao dao) {
+        return new PersonServiceImpl(dao);
+    }
+}
@@ -0,0 +1,8 @@
+package ru.otus.spring.dao;
+
+import ru.otus.spring.domain.Person;
+
+public interface PersonDao {
+
+    Person findByName(String name);
+}
@@ -0,0 +1,10 @@
+package ru.otus.spring.dao;
+
+import ru.otus.spring.domain.Person;
+
+public class PersonDaoSimple implements PersonDao {
+
+    public Person findByName(String name) {
+        return new Person(name, 18);
+    }
+}
@@ -0,0 +1,10 @@
+package ru.otus.spring.dao;
+
+import ru.otus.spring.domain.Person;
+
+public class PersonDaoSmart implements PersonDao {
+
+    public Person findByName(String name) {
+        return new Person(name, 21);
+    }
+}
@@ -0,0 +1,20 @@
+package ru.otus.spring.domain;
+
+public class Person {
+
+    private final String name;
+    private final int age;
+
+    public Person(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getAge() {
+        return age;
+    }
+}
@@ -0,0 +1,8 @@
+package ru.otus.spring.service;
+
+import ru.otus.spring.domain.Person;
+
+public interface PersonService {
+
+    Person getByName(String name);
+}
@@ -0,0 +1,17 @@
+package ru.otus.spring.service;
+
+import ru.otus.spring.dao.PersonDao;
+import ru.otus.spring.domain.Person;
+
+public class PersonServiceImpl implements PersonService {
+
+    private final PersonDao dao;
+
+    public PersonServiceImpl(PersonDao dao) {
+        this.dao = dao;
+    }
+
+    public Person getByName(String name) {
+        return dao.findByName(name);
+    }
+}
@@ -0,0 +1,40 @@
+<?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>ru.otus</groupId>
+    <artifactId>spring-03-solution2</artifactId>
+    <version>1.0</version>
+
+    <properties>
+
+        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>6.2.18</version>
+        </dependency>
+    </dependencies>
+
+<!--    https://stackoverflow.com/questions/74600681/warning-printed-after-migrating-to-spring-boot-3-0-spring-integration-6-0 -->
+<!--    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>3.11.0</version>
+                    <configuration>
+                        <parameters>true</parameters>
+                    </configuration>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>-->
+</project>
@@ -0,0 +1,22 @@
+package ru.otus.spring;
+
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.service.PersonService;
+
+@Configuration
+@ComponentScan
+public class Main {
+
+    public static void main(String[] args) {
+        AnnotationConfigApplicationContext context =
+                new AnnotationConfigApplicationContext(Main.class);
+
+        PersonService service = context.getBean(PersonService.class);
+
+        Person ivan = service.getByName("Ivan");
+        System.out.println("name: " + ivan.getName() + " age: " + ivan.getAge());
+    }
+}
@@ -0,0 +1,8 @@
+package ru.otus.spring.dao;
+
+import ru.otus.spring.domain.Person;
+
+public interface PersonDao {
+
+    Person findByName(String name);
+}
@@ -0,0 +1,12 @@
+package ru.otus.spring.dao;
+
+import org.springframework.stereotype.Repository;
+import ru.otus.spring.domain.Person;
+
+@Repository
+public class PersonDaoSimple implements PersonDao {
+
+    public Person findByName(String name) {
+        return new Person(name, 18);
+    }
+}
@@ -0,0 +1,14 @@
+package ru.otus.spring.dao;
+
+import org.springframework.context.annotation.Primary;
+import org.springframework.stereotype.Repository;
+import ru.otus.spring.domain.Person;
+
+//@Primary
+@Repository
+public class PersonDaoSmart implements PersonDao {
+
+    public Person findByName(String name) {
+        return new Person(name, 21);
+    }
+}
@@ -0,0 +1,20 @@
+package ru.otus.spring.domain;
+
+public class Person {
+
+    private final String name;
+    private final int age;
+
+    public Person(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getAge() {
+        return age;
+    }
+}
@@ -0,0 +1,8 @@
+package ru.otus.spring.service;
+
+import ru.otus.spring.domain.Person;
+
+public interface PersonService {
+
+    Person getByName(String name);
+}
@@ -0,0 +1,20 @@
+package ru.otus.spring.service;
+
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.stereotype.Service;
+import ru.otus.spring.dao.PersonDao;
+import ru.otus.spring.domain.Person;
+
+@Service
+public class PersonServiceImpl implements PersonService {
+
+    private final PersonDao dao;
+
+    public PersonServiceImpl(@Qualifier("personDaoSmart") PersonDao personDaoSmart) {
+        this.dao = personDaoSmart;
+    }
+
+    public Person getByName(String name) {
+        return dao.findByName(name);
+    }
+}