2026-01 spring-05-springBoot

2026-05-30 10:50:42 +00:00 · 2026-02-21 11:21:58 +04:00
parent dbe479921c
commit 68a6704283
22 changed files with 475 additions and 0 deletions
@@ -0,0 +1,4 @@
+.idea/
+*.iml
+
+target/
@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
@@ -0,0 +1,65 @@
+<?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 https://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>3.5.7</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+
+	<groupId>ru.otus</groupId>
+	<artifactId>greeting-app</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>greeting-app</name>
+	<description>Spring Boot project demo</description>
+
+	<properties>
+		<java.version>17</java.version>
+		<maven.compiler.source>17</maven.compiler.source>
+		<maven.compiler.target>17</maven.compiler.target>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+		<io.starter.version>0.0.1-SNAPSHOT</io.starter.version>
+	</properties>
+
+	<dependencies>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>ru.otus</groupId>
+			<artifactId>io-starter</artifactId>
+			<version>${io.starter.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+			<version>${lombok.version}</version>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+				<configuration>
+					<excludes>
+						<exclude>
+							<groupId>org.projectlombok</groupId>
+							<artifactId>lombok</artifactId>
+						</exclude>
+					</excludes>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
@@ -0,0 +1,17 @@
+package ru.otus.greetingapp;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import ru.otus.greetingapp.config.OtusIOConfig;
+
+
+//@EnableConfigurationProperties(OtusIOConfig.class)
+@SpringBootApplication
+public class GreetingAppApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(GreetingAppApplication.class, args);
+	}
+
+}
@@ -0,0 +1,29 @@
+package ru.otus.greetingapp.config;
+
+import lombok.Getter;
+import lombok.ToString;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.context.properties.bind.ConstructorBinding;
+import ru.otus.io.config.LocaleProvider;
+
+import java.util.Locale;
+
+@ToString
+@ConfigurationProperties(prefix = "otus.custom")
+public class OtusIOConfig implements LocaleProvider {
+
+    @Getter
+    private final boolean ioEnabled;
+    private final Locale locale;
+
+    @ConstructorBinding
+    public OtusIOConfig(boolean ioEnabled, String locale) {
+        this.ioEnabled = ioEnabled;
+        this.locale = Locale.forLanguageTag(locale);
+    }
+
+    @Override
+    public Locale getCurrent() {
+        return locale;
+    }
+}
@@ -0,0 +1,47 @@
+package ru.otus.greetingapp.runner;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.stereotype.Component;
+import ru.otus.greetingapp.config.OtusIOConfig;
+import ru.otus.io.services.IOService;
+import ru.otus.io.services.LocalizationService;
+
+import static java.util.Objects.isNull;
+
+@Component
+public class AppRunner implements ApplicationRunner {
+
+    private final OtusIOConfig ioConfig;
+    private final IOService ioService;
+    private final LocalizationService localizationService;
+
+    public AppRunner(@Autowired(required = false) OtusIOConfig ioConfig,
+                     @Autowired(required = false) IOService ioService,
+                     @Autowired(required = false) LocalizationService localizationService) {
+        this.ioConfig = ioConfig;
+        this.ioService = ioService;
+        this.localizationService = localizationService;
+    }
+
+
+    @Override
+    public void run(ApplicationArguments args) {
+        if (isNull(ioService)) {
+            System.err.println("Отсутствует сервис ввода-вывода. Включите настройку \"otus.custom.io.enabled\"");
+            return;
+        }
+        ioService.outputString("---------------------------------------------");
+
+        ioService.outputAsString(ioConfig);
+
+        ioService.outputString("---------------------------------------------");
+
+        var greetingTarget = localizationService.getMessage("greeting.target");
+        var greeting = localizationService.getMessage("greeting", greetingTarget);
+        ioService.outputString(greeting);
+
+        ioService.outputString("---------------------------------------------");
+    }
+}
@@ -0,0 +1,9 @@
+#spring:
+  #messages:
+    #basename: messages
+    #fallback-to-system-locale: false
+
+#otus:
+  #custom:
+    #io-enabled: true
+    #locale: ru-RU
@@ -0,0 +1,9 @@
+  o                        o    o                                                                 o           o  
+ <|>                      <|>  <|>                                                               <|>         <|> 
+ / >                      / \  / \                                                               / \         < \ 
+ \o__ __o      o__  __o   \o/  \o/    o__ __o         o              o     o__ __o    \o__ __o   \o/    o__ __o/ 
+  |     v\    /v      |>   |    |    /v     v\       <|>            <|>   /v     v\    |     |>   |    /v     |  
+ / \     <\  />      //   / \  / \  />       <\      < >            < >  />       <\  / \   < >  / \  />     / \ 
+ \o/     o/  \o    o/     \o/  \o/  \         /       \o    o/\o    o/   \         /  \o/        \o/  \      \o/ 
+  |     <|    v\  /v __o   |    |    o       o         v\  /v  v\  /v     o       o    |          |    o      |  
+ / \    / \    <\/> __/>  / \  / \   <\__ __/>          <\/>    <\/>      <\__ __/>   / \        / \   <\__  / \ 
@@ -0,0 +1,2 @@
+greeting=Hello {0}!!!
+greeting.target=World
@@ -0,0 +1,2 @@
+greeting=Hello {0}!!!
+greeting.target=World
@@ -0,0 +1,2 @@
+greeting=\u041F\u0440\u0438\u0432\u0435\u0442 {0}!!!
+greeting.target=\u041C\u0438\u0440
@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
@@ -0,0 +1,71 @@
+<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	
+	<groupId>ru.otus</groupId>
+	<artifactId>io-starter</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>io-starter</name>
+	<description>Spring Boot starter demo</description>
+	
+	<properties>
+		<java.version>17</java.version>
+		<maven.compiler.source>17</maven.compiler.source>
+		<maven.compiler.target>17</maven.compiler.target>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+		<spring.boot.version>3.5.7</spring.boot.version>
+		<snakeyaml.version>2.0</snakeyaml.version>
+		<lombok.version>1.18.28</lombok.version>
+	</properties>
+	
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter</artifactId>
+			<version>${spring.boot.version}</version>
+			<scope>compile</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-configuration-processor</artifactId>
+			<version>${spring.boot.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-autoconfigure-processor</artifactId>
+			<optional>true</optional>
+			<version>${spring.boot.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-autoconfigure</artifactId>
+			<version>${spring.boot.version}</version>
+			<scope>compile</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+				<version>${spring.boot.version}</version>
+				<configuration>
+					<excludes>
+						<exclude>
+							<groupId>org.projectlombok</groupId>
+							<artifactId>lombok</artifactId>
+						</exclude>
+					</excludes>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+
+</project>
@@ -0,0 +1,46 @@
+package ru.otus.io;
+
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.MessageSource;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import ru.otus.io.config.DefaultLocaleProvider;
+import ru.otus.io.config.LocaleProvider;
+import ru.otus.io.services.IOService;
+import ru.otus.io.services.LocalizationService;
+import ru.otus.io.services.LocalizationServiceImpl;
+import ru.otus.io.services.StreamsIOService;
+
+@ConditionalOnProperty(value = "otus.custom.io-enabled", havingValue = "true", matchIfMissing = true)
+@ConditionalOnClass(MessageSource.class)
+@Configuration
+public class IOAutoconfiguration {
+
+    @ConditionalOnMissingBean(IOService.class)
+    @Bean
+    public IOService ioService() {
+        return new StreamsIOService(System.out, System.in);
+    }
+
+    @ConditionalOnMissingBean(LocaleProvider.class)
+    @Bean
+    public LocaleProvider localeProvider(@Value("${otus.custom.locale:en-US}") String localeTag) {
+        return new DefaultLocaleProvider(localeTag);
+    }
+
+    @ConditionalOnMissingBean(LocalizationService.class)
+    @ConditionalOnBean(MessageSource.class)
+    @Bean
+    public LocalizationService localizationService(LocaleProvider localeProvider,
+                                                   MessageSource messageSource) {
+        return new LocalizationServiceImpl(localeProvider, messageSource);
+    }
+
+}
@@ -0,0 +1,17 @@
+package ru.otus.io.config;
+
+import java.util.Locale;
+
+public class DefaultLocaleProvider implements LocaleProvider {
+
+    private final Locale locale;
+
+    public DefaultLocaleProvider(String localeTag) {
+        this.locale = Locale.forLanguageTag(localeTag);
+    }
+
+    @Override
+    public Locale getCurrent() {
+        return locale;
+    }
+}
@@ -0,0 +1,7 @@
+package ru.otus.io.config;
+
+import java.util.Locale;
+
+public interface LocaleProvider {
+    Locale getCurrent();
+}
@@ -0,0 +1,8 @@
+package ru.otus.io.services;
+
+public interface IOService {
+
+    void outputString(String s);
+    void outputAsString(Object o);
+    String readString();
+}
@@ -0,0 +1,5 @@
+package ru.otus.io.services;
+
+public interface LocalizationService {
+    String getMessage(String key, Object ...args);
+}
@@ -0,0 +1,20 @@
+package ru.otus.io.services;
+
+import org.springframework.context.MessageSource;
+import ru.otus.io.config.LocaleProvider;
+
+public class LocalizationServiceImpl implements LocalizationService {
+
+    private final LocaleProvider localeProvider;
+    private final MessageSource messageSource;
+
+    public LocalizationServiceImpl(LocaleProvider localeProvider, MessageSource messageSource) {
+        this.localeProvider = localeProvider;
+        this.messageSource = messageSource;
+    }
+
+    @Override
+    public String getMessage(String key, Object... args) {
+        return messageSource.getMessage(key, args, localeProvider.getCurrent());
+    }
+}
@@ -0,0 +1,31 @@
+package ru.otus.io.services;
+
+import java.io.InputStream;
+import java.io.PrintStream;
+import java.util.Scanner;
+
+public class StreamsIOService implements IOService {
+
+    private final PrintStream ps;
+    private final Scanner sc;
+
+    public StreamsIOService(PrintStream ps, InputStream is) {
+        this.ps = ps;
+        this.sc = new Scanner(is);
+    }
+
+    @Override
+    public void outputString(String s) {
+        ps.println(s);
+    }
+
+    @Override
+    public void outputAsString(Object o) {
+        ps.println(o);
+    }
+
+    @Override
+    public String readString() {
+        return sc.nextLine();
+    }
+}
@@ -0,0 +1 @@
+ru.otus.io.IOAutoconfiguration
@@ -0,0 +1,17 @@
+<?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-boot-intro</artifactId>
+    <version>1.0</version>
+
+    <packaging>pom</packaging>
+
+    <modules>
+		<module>greeting-app</module>
+		<module>io-starter</module>
+    </modules>
+</project>