2019-08-Spring-05 examples added

2026-05-30 10:50:42 +00:00 · 2019-09-05 22:37:27 +04:00
parent 0420ca401d
commit 136b1e8db8
65 changed files with 1437 additions and 0 deletions
@@ -0,0 +1,4 @@
+.idea/
+*.iml
+
+target/
@@ -0,0 +1,32 @@
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+#other
+*.bat
+*/.idea
+*.iml
+*/target
+
+.idea
+*.iml
+target
@@ -0,0 +1,53 @@
+<?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>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.1.7.RELEASE</version>
+		<relativePath/> 
+	</parent>
+
+	<groupId>ru.otus.example</groupId>
+	<artifactId>application-events-demo</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>application-events-demo</name>
+	<description>Application events demo</description>
+
+	<properties>
+		<java.version>11</java.version>
+	</properties>
+
+	<dependencies>
+	
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.shell</groupId>
+			<artifactId>spring-shell-starter</artifactId>
+			<version>2.0.1.RELEASE</version>
+		</dependency>
+
+
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
@@ -0,0 +1,13 @@
+package ru.otus.example.applicationeventsdemo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class ApplicationEventsDemoApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(ApplicationEventsDemoApplication.class, args);
+	}
+
+}
@@ -0,0 +1,5 @@
+package ru.otus.example.applicationeventsdemo.events;
+
+public interface EventsPublisher {
+    void publish();
+}
@@ -0,0 +1,15 @@
+package ru.otus.example.applicationeventsdemo.events;
+
+import lombok.Getter;
+import org.springframework.context.ApplicationEvent;
+
+public class HalfAGlassOfWaterEvent extends ApplicationEvent {
+
+    @Getter
+    private final String payload;
+
+    public HalfAGlassOfWaterEvent(Object source) {
+        super(source);
+        payload = "Осталось половина стакана воды!!!";
+    }
+}
@@ -0,0 +1,17 @@
+package ru.otus.example.applicationeventsdemo.events;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class HalfAGlassOfWaterEventPublisher implements EventsPublisher {
+
+    private final ApplicationEventPublisher publisher;
+
+    @Override
+    public void publish() {
+        publisher.publishEvent(new HalfAGlassOfWaterEvent(this));
+    }
+}
@@ -0,0 +1,15 @@
+package ru.otus.example.applicationeventsdemo.events;
+
+import org.springframework.context.ApplicationListener;
+import org.springframework.stereotype.Component;
+
+@Component
+public class NegativeRespondent implements ApplicationListener<HalfAGlassOfWaterEvent> {
+
+    @Override
+    public void onApplicationEvent(HalfAGlassOfWaterEvent halfAGlassOfWaterEvent) {
+        System.out.println("Негативно настроенный слушатель");
+        System.out.println(String.format("- %s", halfAGlassOfWaterEvent.getPayload()));
+        System.out.println("- Какой ужас. Теперь он наполовину пуст!!!\n\n");
+    }
+}
@@ -0,0 +1,15 @@
+package ru.otus.example.applicationeventsdemo.events;
+
+import org.springframework.context.ApplicationListener;
+import org.springframework.stereotype.Component;
+
+@Component
+public class PositiveRespondent implements ApplicationListener<HalfAGlassOfWaterEvent> {
+
+    @Override
+    public void onApplicationEvent(HalfAGlassOfWaterEvent halfAGlassOfWaterEvent) {
+        System.out.println("Позитивно настроенный слушатель");
+        System.out.println(String.format("- %s", halfAGlassOfWaterEvent.getPayload()));
+        System.out.println("- Ничего. Главное, что он наполовину полон!!!\n\n");
+    }
+}
@@ -0,0 +1,34 @@
+package ru.otus.example.applicationeventsdemo.shell;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.shell.Availability;
+import org.springframework.shell.standard.ShellComponent;
+import org.springframework.shell.standard.ShellMethod;
+import org.springframework.shell.standard.ShellMethodAvailability;
+import org.springframework.shell.standard.ShellOption;
+import ru.otus.example.applicationeventsdemo.events.EventsPublisher;
+
+@ShellComponent
+@RequiredArgsConstructor
+public class ApplicationEventsCommands {
+
+    private final EventsPublisher eventsPublisher;
+
+    private String userName;
+
+    @ShellMethod(value = "Login command", key = {"l", "login"})
+    public String login(@ShellOption(defaultValue = "stvort") String userName) {
+        this.userName = userName;
+        return String.format("Добро пожаловать: %s", userName);
+    }
+
+    @ShellMethod(value = "Publish event command", key = {"p", "pub", "publish"})
+    @ShellMethodAvailability(value = "isPublishEventCommandAvailable")
+    public void publishEvent() {
+        eventsPublisher.publish();
+    }
+
+    private Availability isPublishEventCommandAvailable() {
+        return userName == null? Availability.unavailable("Сначала залогиньтесь"): Availability.available();
+    }
+}
@@ -0,0 +1,3 @@
+logging:
+  level:
+    root: ERROR
@@ -0,0 +1,32 @@
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+#other
+*.bat
+*/.idea
+*.iml
+*/target
+
+.idea
+*.iml
+target
@@ -0,0 +1,48 @@
+<?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>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.1.7.RELEASE</version>
+		<relativePath/>
+	</parent>
+	<groupId>ru.otus.example</groupId>
+	<artifactId>beans-lifecycle-demo</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>beans-lifecycle-demo</name>
+	<description>Beans lifecycle demo</description>
+
+	<properties>
+		<java.version>11</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.shell</groupId>
+			<artifactId>spring-shell-starter</artifactId>
+			<version>2.0.1.RELEASE</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+</project>
@@ -0,0 +1,13 @@
+package ru.otus.example.beanslifecycledemo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class BeansLifecycleDemoApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(BeansLifecycleDemoApplication.class, args);
+	}
+
+}
@@ -0,0 +1,8 @@
+package ru.otus.example.beanslifecycledemo.domain;
+
+public class FriendPhoneNumber extends PhoneNumber {
+    @Override
+    public String getOwnerName() {
+        return "Друг";
+    }
+}
@@ -0,0 +1,11 @@
+package ru.otus.example.beanslifecycledemo.domain;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class GirlfiendPhoneNumber extends PhoneNumber {
+    @Override
+    public String getOwnerName() {
+        return "Подруга";
+    }
+}
@@ -0,0 +1,16 @@
+package ru.otus.example.beanslifecycledemo.domain;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class Phone {
+    private String greeting = "Погнали к родителям";
+
+    private final PhoneNumber favoriteNumber;
+
+    public void callFavoriteNumber() {
+        System.out.println(favoriteNumber.getOwnerName() + " " + greeting);
+    }
+}
@@ -0,0 +1,7 @@
+package ru.otus.example.beanslifecycledemo.domain;
+
+public abstract class PhoneNumber {
+    public String getOwnerName() {
+        return "Спорт-лото";
+    }
+}
@@ -0,0 +1,30 @@
+package ru.otus.example.beanslifecycledemo.lifecycle;
+
+import org.springframework.beans.BeanMetadataAttribute;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
+import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
+import org.springframework.context.annotation.ScannedGenericBeanDefinition;
+import ru.otus.example.beanslifecycledemo.domain.FriendPhoneNumber;
+import ru.otus.example.beanslifecycledemo.domain.GirlfiendPhoneNumber;
+
+public class CustomBeanFactoryPostProcessor implements BeanFactoryPostProcessor {
+    @Override
+    public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
+
+        if (beanFactory.containsBean("customLifeCycleBean")) {
+            System.out.println("Шаг #1: BeanFactoryPostProcessor.postProcessBeanFactory\n");
+        }
+
+        for (String beanName : beanFactory.getBeanDefinitionNames()) {
+            BeanDefinition d = beanFactory.getBeanDefinition(beanName);
+
+            if (GirlfiendPhoneNumber.class.getName().equalsIgnoreCase(d.getBeanClassName())) {
+                d.setBeanClassName(FriendPhoneNumber.class.getName());
+                ((ScannedGenericBeanDefinition) d).addMetadataAttribute(new BeanMetadataAttribute("className", FriendPhoneNumber.class.getName()));
+                d.setAutowireCandidate(true);
+            }
+        }
+    }
+}
@@ -0,0 +1,40 @@
+package ru.otus.example.beanslifecycledemo.lifecycle;
+
+import lombok.SneakyThrows;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+import ru.otus.example.beanslifecycledemo.domain.Phone;
+
+import java.lang.reflect.Field;
+
+public class CustomBeanPostProcessor implements BeanPostProcessor {
+    @Override
+    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
+        if (bean.getClass().equals(CustomLifeCycleBean.class)) {
+            System.out.println("Шаг #5: BeanPostProcessor.postProcessBeforeInitialization\n");
+        }
+        return bean;
+    }
+
+    @Override
+    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
+        if (bean.getClass().equals(CustomLifeCycleBean.class)) {
+            System.out.println("Шаг #8: BeanPostProcessor.postProcessAfterInitialization\n");
+        }
+
+        if (bean.getClass().isAssignableFrom(Phone.class)) {
+            updateGreeting(bean);
+        }
+        return bean;
+    }
+
+    @SneakyThrows
+    private void updateGreeting(Object bean) {
+        Class aClass = Phone.class;
+        Field greetingField = aClass.getDeclaredField("greeting");
+
+        greetingField.setAccessible(true);
+        greetingField.setAccessible(true);
+        greetingField.set(bean, "Ай-да в гараж. Стихи читать!");
+    }
+}
@@ -0,0 +1,42 @@
+package ru.otus.example.beanslifecycledemo.lifecycle;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.*;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+
+public class CustomLifeCycleBean implements InitializingBean, DisposableBean, BeanNameAware, BeanFactoryAware, ApplicationContextAware {
+
+    @Override
+    public void setBeanName(String s) {
+        System.out.println("Шаг #2: BeanNameAware\n");
+    }
+
+    @Override
+    public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
+        System.out.println("Шаг #3: BeanFactoryAware\n");
+    }
+
+    @Override
+    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
+        System.out.println("Шаг #4: ApplicationContextAware\n");
+    }
+
+    @Override
+    public void afterPropertiesSet() throws Exception {
+        System.out.println("Шаг #6: InitializingBean.afterPropertiesSet\n");
+    }
+
+    public void customInitMethod() throws Exception {
+        System.out.println("Шаг #7: CustomLifeCycleBean.customInitMethod\n");
+    }
+
+    @Override
+    public void destroy() throws Exception {
+        System.out.println("Шаг #9: DisposableBean.destroy\n");
+    }
+
+    public void customDestroyMethod() throws Exception {
+        System.out.println("Шаг #10: CustomLifeCycleBean.customDestroyMethod\n");
+    }
+}
@@ -0,0 +1,27 @@
+package ru.otus.example.beanslifecycledemo.lifecycle;
+
+import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class LifeCycleConfig {
+
+    @Bean
+    public BeanFactoryPostProcessor customBeanFactoryPostProcessor() {
+        return new CustomBeanFactoryPostProcessor();
+    }
+
+    @Bean
+    public BeanPostProcessor customBeanPostProcessor() {
+        return new CustomBeanPostProcessor();
+    }
+
+    @ConditionalOnProperty(name = "spring.shell.interactive.enabled", havingValue = "false")
+    @Bean(initMethod = "customInitMethod", destroyMethod = "customDestroyMethod")
+    public CustomLifeCycleBean customLifeCycleBean() {
+        return new CustomLifeCycleBean();
+    }
+}
@@ -0,0 +1,18 @@
+package ru.otus.example.beanslifecycledemo.shell;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.shell.standard.ShellComponent;
+import org.springframework.shell.standard.ShellMethod;
+import ru.otus.example.beanslifecycledemo.domain.Phone;
+
+@RequiredArgsConstructor
+@ShellComponent
+public class LifecycleDemoCommands {
+
+    private final Phone phone;
+
+    @ShellMethod(value = "Call favorite number", key = {"call-favorite-number", "cfn"})
+    public void callFavoriteNumber() {
+        phone.callFavoriteNumber();
+    }
+}
@@ -0,0 +1,8 @@
+logging:
+  level:
+    root: ERROR
+
+spring:
+  shell:
+    interactive:
+      enabled: false
@@ -0,0 +1,32 @@
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+#other
+*.bat
+*/.idea
+*.iml
+*/target
+
+.idea
+*.iml
+target
@@ -0,0 +1,48 @@
+<?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>
+
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.1.7.RELEASE</version>
+		<relativePath/>
+	</parent>
+	
+	<groupId>ru.otus.example</groupId>
+	<artifactId>beans-scopes-demo</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>beans-scopes-demo</name>
+	<description>Beans scopes demo</description>
+
+	<properties>
+		<java.version>11</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-thymeleaf</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+</project>
@@ -0,0 +1,13 @@
+package ru.otus.example.beansscopesdemo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class BeansScopesDemoApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(BeansScopesDemoApplication.class, args);
+	}
+
+}
@@ -0,0 +1,40 @@
+package ru.otus.example.beansscopesdemo.controllers;
+
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import ru.otus.example.beansscopesdemo.services.GreetingService;
+
+@Controller
+public class GreetingController {
+    private final GreetingService singletonGreetingService;
+    private final GreetingService prototypeGreetingService1;
+    private final GreetingService prototypeGreetingService2;
+    private final GreetingService sessionGreetingService;
+    private final GreetingService requestGreetingService;
+
+    public GreetingController(@Qualifier("SingletonGreetingService") GreetingService singletonGreetingService,
+                              @Qualifier("PrototypeGreetingService")GreetingService prototypeGreetingService1,
+                              @Qualifier("PrototypeGreetingService")GreetingService prototypeGreetingService2,
+                              @Qualifier("SessionGreetingService")GreetingService sessionGreetingService,
+                              @Qualifier("RequestGreetingService")GreetingService requestGreetingService
+    ) {
+        this.singletonGreetingService = singletonGreetingService;
+        this.prototypeGreetingService1 = prototypeGreetingService1;
+        this.prototypeGreetingService2 = prototypeGreetingService2;
+        this.sessionGreetingService = sessionGreetingService;
+        this.requestGreetingService = requestGreetingService;
+    }
+
+    @GetMapping("/")
+    public String greetingPage(Model model) {
+        boolean isFirstGreetingSuccess = prototypeGreetingService1.isFirstGreetingSuccess();
+        model.addAttribute("singletonGreeting", singletonGreetingService.greeting());
+        model.addAttribute("sessionGreeting", sessionGreetingService.greeting());
+        model.addAttribute("requestGreeting", requestGreetingService.greeting());
+        model.addAttribute("prototype1Greeting", prototypeGreetingService1.greeting());
+        model.addAttribute("prototype2Greeting", isFirstGreetingSuccess? prototypeGreetingService2.greeting(): "Пока жду");
+        return "index";
+    }
+}
@@ -0,0 +1,35 @@
+package ru.otus.example.beansscopesdemo.services;
+
+
+import org.springframework.beans.factory.annotation.Value;
+
+public abstract class AbstractGreetingServiceImpl implements GreetingService {
+
+    @Value("${greetings.first-greeting}")
+    private String firstGreeting;
+
+    @Value("${greetings.re-greeting}")
+    private String reGreeting;
+
+    private boolean isFirstGreetingSuccess;
+
+    public AbstractGreetingServiceImpl() {
+        this.isFirstGreetingSuccess = false;
+    }
+
+    @Override
+    public boolean isFirstGreetingSuccess() {
+        return isFirstGreetingSuccess;
+    }
+
+    @Override
+    public String greeting() {
+        return currentGreeting();
+    }
+
+    private synchronized String currentGreeting() {
+        String greeting = isFirstGreetingSuccess ? reGreeting : firstGreeting;
+        isFirstGreetingSuccess = true;
+        return greeting;
+    }
+}
@@ -0,0 +1,6 @@
+package ru.otus.example.beansscopesdemo.services;
+
+public interface GreetingService {
+    boolean isFirstGreetingSuccess();
+    String greeting();
+}
@@ -0,0 +1,9 @@
+package ru.otus.example.beansscopesdemo.services;
+
+import org.springframework.context.annotation.Scope;
+import org.springframework.stereotype.Service;
+
+@Scope("prototype")
+@Service("PrototypeGreetingService")
+public class PrototypeGreetingServiceImpl extends AbstractGreetingServiceImpl {
+}
@@ -0,0 +1,11 @@
+package ru.otus.example.beansscopesdemo.services;
+
+import org.springframework.context.annotation.Scope;
+import org.springframework.context.annotation.ScopedProxyMode;
+import org.springframework.stereotype.Service;
+import org.springframework.web.context.WebApplicationContext;
+
+@Scope(value = WebApplicationContext.SCOPE_REQUEST, proxyMode = ScopedProxyMode.TARGET_CLASS)
+@Service("RequestGreetingService")
+public class RequestGreetingServiceImpl extends AbstractGreetingServiceImpl {
+}
@@ -0,0 +1,11 @@
+package ru.otus.example.beansscopesdemo.services;
+
+import org.springframework.context.annotation.Scope;
+import org.springframework.context.annotation.ScopedProxyMode;
+import org.springframework.stereotype.Service;
+import org.springframework.web.context.WebApplicationContext;
+
+@Scope(value = WebApplicationContext.SCOPE_SESSION, proxyMode = ScopedProxyMode.TARGET_CLASS)
+@Service("SessionGreetingService")
+public class SessionGreetingServiceImpl extends AbstractGreetingServiceImpl {
+}
@@ -0,0 +1,9 @@
+package ru.otus.example.beansscopesdemo.services;
+
+import org.springframework.context.annotation.Scope;
+import org.springframework.stereotype.Service;
+
+@Scope("singleton")
+@Service("SingletonGreetingService")
+public class SingletonGreetingServiceImpl extends AbstractGreetingServiceImpl {
+}
@@ -0,0 +1,8 @@
+greetings:
+  first-greeting: Привет
+  re-greeting: Рад снова тебя видеть
+
+
+logging:
+  level:
+    root: ERROR
@@ -0,0 +1,45 @@
+<!DOCTYPE html>
+<html lang="ru" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <title>Advanced configuration demo</title>
+    <style>
+        body {
+            font-size: 16pt;
+        }
+
+        h3 {
+            color: CornflowerBlue;
+        }
+
+        li {
+            color: DarkGray;
+        }
+
+        p {
+            color: OrangeRed;
+            font-weight: bold;
+        }
+    </style>
+</head>
+<body>
+    <p>
+        <h3>Демонстрация @Scope</h3>
+        <ul>
+            <li>SingletonGreetingService должен говорить сначала "Привет", а потом все время "Рад снова тебя видеть"</li>
+            <li>PrototypeGreetingService1 должен говорить сначала "Привет", а потом все время "Рад снова тебя видеть"</li>
+            <li>PrototypeGreetingService2 должен говорить сначала "Пока жду", после обновления страницы "Привет", а потом все время "Рад снова тебя видеть"</li>
+            <li>SessionGreetingService должен вести себя как SingletonGreetingService, но только до перезапуска браузера</li>
+            <li>RequestGreetingService должен каждый раз говорить "Привет"</li>
+        </ul>
+    </p>
+
+    <hr/>
+
+    <p th:text = "'SingletonGreetingService сказал: ' + ${singletonGreeting}"></p>
+    <p th:text = "'PrototypeGreetingService1 сказал: ' + ${prototype1Greeting}"></p>
+    <p th:text = "'PrototypeGreetingService2 сказал: ' + ${prototype2Greeting}"></p>
+    <p th:text = "'SessionGreetingService сказал: ' + ${sessionGreeting}"></p>
+    <p th:text = "'RequestGreetingService сказал: ' + ${requestGreeting}"></p>
+</body>
+</html>
@@ -0,0 +1,32 @@
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+#other
+*.bat
+*/.idea
+*.iml
+*/target
+
+.idea
+*.iml
+target
@@ -0,0 +1,81 @@
+<?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>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.1.7.RELEASE</version>
+		<relativePath/> 
+	</parent>
+
+	<groupId>ru.otus.example</groupId>
+	<artifactId>conditional-and-profiles-demo</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>conditional-and-profiles-demo</name>
+	<description>Conditional and profiles demo</description>
+
+	<properties>
+		<java.version>11</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>org.junit.vintage</groupId>
+					<artifactId>junit-vintage-engine</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>junit</groupId>
+					<artifactId>junit</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-api</artifactId>
+			<version>${junit-jupiter.version}</version>
+			<scope>test</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-engine</artifactId>
+			<version>${junit-jupiter.version}</version>
+			<scope>test</scope>
+		</dependency>
+
+
+		<dependency>
+			<groupId>org.springframework.shell</groupId>
+			<artifactId>spring-shell-starter</artifactId>
+			<version>2.0.1.RELEASE</version>
+		</dependency>
+
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
@@ -0,0 +1,13 @@
+package ru.otus.example.conditionalandprofilesdemo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class ConditionalAndProfilesDemoApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(ConditionalAndProfilesDemoApplication.class, args);
+	}
+
+}
@@ -0,0 +1,14 @@
+package ru.otus.example.conditionalandprofilesdemo.model;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.stereotype.Component;
+import ru.otus.example.conditionalandprofilesdemo.model.base.Friend;
+
+@ConditionalOnProperty(name = "condition.alexey-exists", havingValue = "true")
+@Component
+public class Alexey extends Friend {
+    @Override
+    public String getName() {
+        return "Алексей";
+    }
+}
@@ -0,0 +1,14 @@
+package ru.otus.example.conditionalandprofilesdemo.model;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.stereotype.Component;
+import ru.otus.example.conditionalandprofilesdemo.model.base.Friend;
+
+@ConditionalOnBean(Alexey.class)
+@Component
+public class Anna extends Friend {
+    @Override
+    public String getName() {
+        return "Аня";
+    }
+}
@@ -0,0 +1,14 @@
+package ru.otus.example.conditionalandprofilesdemo.model;
+
+import org.springframework.context.annotation.Profile;
+import org.springframework.stereotype.Component;
+import ru.otus.example.conditionalandprofilesdemo.model.base.Friend;
+
+@Profile("Oleg")
+@Component
+public class Oleg extends Friend {
+    @Override
+    public String getName() {
+        return "Олег";
+    }
+}
@@ -0,0 +1,15 @@
+package ru.otus.example.conditionalandprofilesdemo.model;
+
+import org.springframework.context.annotation.Profile;
+import org.springframework.stereotype.Component;
+import ru.otus.example.conditionalandprofilesdemo.model.base.Friend;
+
+@Profile("Peter")
+@Component
+public class Peter extends Friend {
+
+    @Override
+    public String getName() {
+        return "Петр";
+    }
+}
@@ -0,0 +1,16 @@
+package ru.otus.example.conditionalandprofilesdemo.model;
+
+import org.springframework.context.annotation.Conditional;
+import org.springframework.stereotype.Component;
+import ru.otus.example.conditionalandprofilesdemo.model.base.Friend;
+import ru.otus.example.conditionalandprofilesdemo.model.conditions.YanaConditions;
+
+
+@Conditional(YanaConditions.class)
+@Component
+public class Yana extends Friend {
+    @Override
+    public String getName() {
+        return "Яна";
+    }
+}
@@ -0,0 +1,14 @@
+package ru.otus.example.conditionalandprofilesdemo.model;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.stereotype.Component;
+import ru.otus.example.conditionalandprofilesdemo.model.base.Friend;
+
+@ConditionalOnProperty(name = "condition.yanis-exists", havingValue = "true")
+@Component
+public class Yanis extends Friend {
+    @Override
+    public String getName() {
+        return "Янис";
+    }
+}
@@ -0,0 +1,5 @@
+package ru.otus.example.conditionalandprofilesdemo.model.base;
+
+public abstract class Friend {
+    public abstract String getName();
+}
@@ -0,0 +1,20 @@
+package ru.otus.example.conditionalandprofilesdemo.model.conditions;
+
+import org.springframework.boot.autoconfigure.condition.AllNestedConditions;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+
+public class YanaConditions extends AllNestedConditions {
+
+    public YanaConditions() {
+        super(ConfigurationPhase.PARSE_CONFIGURATION);
+    }
+
+
+    @ConditionalOnProperty(name = "condition.alexey-exists", havingValue = "false")
+    static class AlexeyDoesNotExistsCondition {
+    }
+
+    @ConditionalOnProperty(name = "condition.yanis-exists", havingValue = "true")
+    static class YanisExistsCondition {
+    }
+}
@@ -0,0 +1,21 @@
+package ru.otus.example.conditionalandprofilesdemo.shell;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.shell.standard.ShellComponent;
+import org.springframework.shell.standard.ShellMethod;
+import ru.otus.example.conditionalandprofilesdemo.model.base.Friend;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@ShellComponent
+@RequiredArgsConstructor
+public class ConditionalAndProfilesDemoCommands {
+
+    private final List<Friend> partyMembers;
+
+    @ShellMethod(value = "Print party members", key = {"print-party-members", "ppm"})
+    public String printPartyMembers() {
+        return partyMembers.stream().map(Friend::getName).collect(Collectors.joining("\n"));
+    }
+}
@@ -0,0 +1,25 @@
+greetings:
+  first-greeting: Привет
+  re-greeting: Рад снова тебя видеть
+
+
+condition:
+  alexey-exists: true
+  yanis-exists: false
+
+spring:
+  profiles:
+    #active: Oleg
+    #active: Peter
+
+logging:
+  level:
+    root: ERROR
+
+
+---
+spring:
+  profiles: Peter
+
+condition:
+  yanis-exists: true
@@ -0,0 +1,37 @@
+package ru.otus.example.conditionalandprofilesdemo.test;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
+import ru.otus.example.conditionalandprofilesdemo.model.base.Friend;
+
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+//@ActiveProfiles({"Oleg"})
+//@ActiveProfiles({"Peter"})
+//@ActiveProfiles({"Oleg", "Peter"})
+@DisplayName("FriendsMap должна")
+@SpringBootTest
+class ConditionalAndProfilesDemoApplicationTests {
+
+    @Autowired
+    private Map<String, Friend> friendsMap;
+
+
+    @DisplayName(" содержать Олега")
+    @Test
+    void shouldContainOleg() {
+        assertThat(friendsMap).containsKey("oleg");
+    }
+
+    @DisplayName(" содержать Петра")
+    @Test
+    void shouldContainPetr() {
+        assertThat(friendsMap).containsKey("peter");
+    }
+
+}
@@ -0,0 +1,7 @@
+spring:
+  shell:
+    interactive:
+      enabled: false
+logging:
+  level:
+    root: ERROR
@@ -0,0 +1,20 @@
+<?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-05</artifactId>
+    <version>1.0</version>
+
+    <packaging>pom</packaging>
+
+    <modules>
+        <module>beans-scopes-demo</module>
+        <module>beans-lifecycle-demo</module>
+        <module>application-events-demo</module>
+        <module>conditional-and-profiles-demo</module>
+        <module>test-configuration-demo</module>
+    </modules>
+</project>
@@ -0,0 +1,32 @@
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+#other
+*.bat
+*/.idea
+*.iml
+*/target
+
+.idea
+*.iml
+target
@@ -0,0 +1,74 @@
+<?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>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.1.7.RELEASE</version>
+		<relativePath/> 
+	</parent>
+
+	<groupId>ru.otus.example</groupId>
+	<artifactId>test-configuration-demo</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>test-configuration-demo</name>
+	<description>Test configuration demo</description>
+
+	<properties>
+		<java.version>11</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>org.junit.vintage</groupId>
+					<artifactId>junit-vintage-engine</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>junit</groupId>
+					<artifactId>junit</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-api</artifactId>
+			<version>${junit-jupiter.version}</version>
+			<scope>test</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-engine</artifactId>
+			<version>${junit-jupiter.version}</version>
+			<scope>test</scope>
+		</dependency>
+
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
@@ -0,0 +1,15 @@
+package ru.otus.example.testconfigurationdemo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.ComponentScan;
+
+@ComponentScan("ru.otus.example.testconfigurationdemo.family")
+@SpringBootApplication
+public class TestConfigurationDemoApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(TestConfigurationDemoApplication.class, args);
+	}
+
+}
@@ -0,0 +1,5 @@
+package ru.otus.example.testconfigurationdemo.family;
+
+public abstract class FamilyMember {
+    public abstract String getName();
+}
@@ -0,0 +1,12 @@
+package ru.otus.example.testconfigurationdemo.family.childrens;
+
+import org.springframework.stereotype.Component;
+import ru.otus.example.testconfigurationdemo.family.FamilyMember;
+
+@Component
+public class Son extends FamilyMember {
+    @Override
+    public String getName() {
+        return "Сын";
+    }
+}
@@ -0,0 +1,10 @@
+package ru.otus.example.testconfigurationdemo.family.parents;
+
+import ru.otus.example.testconfigurationdemo.family.FamilyMember;
+
+public class Father extends FamilyMember {
+    @Override
+    public String getName() {
+        return "Папа";
+    }
+}
@@ -0,0 +1,12 @@
+package ru.otus.example.testconfigurationdemo.family.parents;
+
+import org.springframework.stereotype.Component;
+import ru.otus.example.testconfigurationdemo.family.FamilyMember;
+
+@Component
+public class Mother extends FamilyMember {
+    @Override
+    public String getName() {
+        return "Мама";
+    }
+}
@@ -0,0 +1,13 @@
+package ru.otus.example.testconfigurationdemo.family.pets;
+
+import org.springframework.stereotype.Component;
+import ru.otus.example.testconfigurationdemo.family.FamilyMember;
+
+@Component
+public class Dog extends FamilyMember {
+
+    @Override
+    public String getName() {
+        return "Собака";
+    }
+}
@@ -0,0 +1,37 @@
+package ru.otus.example.testconfigurationdemo.demo1;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import ru.otus.example.testconfigurationdemo.family.FamilyMember;
+import ru.otus.example.testconfigurationdemo.family.pets.Dog;
+
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@DisplayName("В NestedConfigurationDemoTest семья должна ")
+@SpringBootTest
+public class NestedConfigurationDemoTest {
+
+    @Configuration
+    static class NestedConfiguration {
+        @Bean
+        FamilyMember dog() {
+            return new Dog();
+        }
+    }
+
+    @Autowired
+    private Map<String, FamilyMember> family;
+
+    @DisplayName(" содержать только собаку ")
+    @Test
+    void shouldContainOnlyDog() {
+        assertThat(family).containsOnlyKeys("dog");
+    }
+
+}
@@ -0,0 +1,37 @@
+package ru.otus.example.testconfigurationdemo.demo1;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.TestConfiguration;
+import org.springframework.context.annotation.Bean;
+import ru.otus.example.testconfigurationdemo.family.FamilyMember;
+import ru.otus.example.testconfigurationdemo.family.parents.Father;
+
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@DisplayName("В NestedTestConfigurationDemoTest семья должна ")
+@SpringBootTest
+public class NestedTestConfigurationDemoTest {
+
+    @TestConfiguration
+    static class NestedTestConfiguration {
+        @Bean
+        FamilyMember father() {
+            return new Father();
+        }
+    }
+
+    @Autowired
+    private Map<String, FamilyMember> family;
+
+    @DisplayName(" содержать маму, папу, сына и собаку ")
+    @Test
+    void shouldContainAllFamilyWithFather() {
+        assertThat(family).containsOnlyKeys("mother", "father", "son", "dog");
+    }
+
+}
@@ -0,0 +1,26 @@
+package ru.otus.example.testconfigurationdemo.demo1;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import ru.otus.example.testconfigurationdemo.family.FamilyMember;
+
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@DisplayName("В PlainSpringBootTestDemoTest семья должна ")
+@SpringBootTest
+public class PlainSpringBootTestDemoTest {
+
+    @Autowired
+    private Map<String, FamilyMember> family;
+
+    @DisplayName(" содержать маму, сына и собаку ")
+    @Test
+    void shouldContainAllFamilyExceptFather() {
+        assertThat(family).containsOnlyKeys("mother", "son", "dog");
+    }
+
+}
@@ -0,0 +1,26 @@
+package ru.otus.example.testconfigurationdemo.demo2;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import ru.otus.example.testconfigurationdemo.family.FamilyMember;
+
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@DisplayName("В SpringBootTestWithExternalLimitationDemoTest семья должна ")
+@SpringBootTest
+public class SpringBootTestWithExternalLimitationDemoTest {
+
+    @Autowired
+    private Map<String, FamilyMember> family;
+
+    @DisplayName(" содержать маму, папу и сына")
+    @Test
+    void shouldContainAllFamilyExceptFather() {
+        assertThat(family).containsOnlyKeys("mother", "father", "son");
+    }
+
+}
@@ -0,0 +1,17 @@
+package ru.otus.example.testconfigurationdemo.demo2;
+
+import org.springframework.boot.SpringBootConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import ru.otus.example.testconfigurationdemo.family.FamilyMember;
+import ru.otus.example.testconfigurationdemo.family.parents.Father;
+
+@ComponentScan({"ru.otus.example.testconfigurationdemo.family.parents",
+        "ru.otus.example.testconfigurationdemo.family.childrens"})
+@SpringBootConfiguration
+public class TestSpringBootConfiguration {
+    @Bean
+    FamilyMember father() {
+        return new Father();
+    }
+}