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‎Chapter2-1-2/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.didispace</groupId>
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<artifactId>Chapter2-1-2</artifactId>
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<version>1.0.0</version>
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<packaging>jar</packaging>
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<name>Chapter2-1-2</name>
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<description>Spring Boot 2.0 features : Application Events and Listeners</description>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.0.0.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<scope>provided</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>

‎Chapter2-1-2/src/main/java/com/didispace/Application.java

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package com.didispace;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.boot.CommandLineRunner;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.context.annotation.Bean;
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@Slf4j
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@SpringBootApplication
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public class Application {
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public static void main(String[] args) {
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SpringApplication.run(Application.class, args);
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}
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@Bean
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public DataLoader dataLoader() {
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return new DataLoader();
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}
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@Slf4j
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static class DataLoader implements CommandLineRunner {
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@Override
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public void run(String... strings) throws Exception {
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log.info("Loading data...");
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}
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}
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}

‎Chapter2-1-2/src/main/java/com/didispace/ApplicationEnvironmentPreparedEventListener.java

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package com.didispace;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.boot.context.event.ApplicationEnvironmentPreparedEvent;
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import org.springframework.context.ApplicationListener;
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@Slf4j
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public class ApplicationEnvironmentPreparedEventListener implements ApplicationListener<ApplicationEnvironmentPreparedEvent> {
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@Override
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public void onApplicationEvent(ApplicationEnvironmentPreparedEvent event) {
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log.info("......ApplicationEnvironmentPreparedEvent......");
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}
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}

‎Chapter2-1-2/src/main/java/com/didispace/ApplicationFailedEventListener.java

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package com.didispace;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.boot.context.event.ApplicationFailedEvent;
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import org.springframework.context.ApplicationListener;
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@Slf4j
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public class ApplicationFailedEventListener implements ApplicationListener<ApplicationFailedEvent> {
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@Override
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public void onApplicationEvent(ApplicationFailedEvent event) {
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log.info("......ApplicationFailedEvent......");
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}
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}

‎Chapter2-1-2/src/main/java/com/didispace/ApplicationPreparedEventListener.java

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package com.didispace;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.boot.context.event.ApplicationPreparedEvent;
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import org.springframework.context.ApplicationListener;
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@Slf4j
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public class ApplicationPreparedEventListener implements ApplicationListener<ApplicationPreparedEvent> {
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@Override
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public void onApplicationEvent(ApplicationPreparedEvent event) {
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log.info("......ApplicationPreparedEvent......");
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}
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}

‎Chapter2-1-2/src/main/java/com/didispace/ApplicationReadyEventListener.java

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package com.didispace;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.boot.context.event.ApplicationReadyEvent;
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import org.springframework.context.ApplicationListener;
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@Slf4j
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public class ApplicationReadyEventListener implements ApplicationListener<ApplicationReadyEvent> {
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@Override
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public void onApplicationEvent(ApplicationReadyEvent event) {
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log.info("......ApplicationReadyEvent......");
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}
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}

‎Chapter2-1-2/src/main/java/com/didispace/ApplicationStartedEventListener.java

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package com.didispace;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.context.event.ApplicationStartedEvent;
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import org.springframework.context.ApplicationListener;
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@Slf4j
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public class ApplicationStartedEventListener implements ApplicationListener<ApplicationStartedEvent> {
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@Override
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public void onApplicationEvent(ApplicationStartedEvent event) {
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log.info("......ApplicationStartedEvent......");
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}
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}

‎Chapter2-1-2/src/main/java/com/didispace/ApplicationStartingEventListener.java

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package com.didispace;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.boot.context.event.ApplicationStartingEvent;
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import org.springframework.context.ApplicationListener;
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@Slf4j
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public class ApplicationStartingEventListener implements ApplicationListener<ApplicationStartingEvent> {
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@Override
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public void onApplicationEvent(ApplicationStartingEvent event) {
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log.info("......ApplicationStartingEvent......");
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}
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}

‎Chapter2-1-2/src/main/resources/META-INF/spring.factories

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org.springframework.context.ApplicationListener=com.didispace.ApplicationEnvironmentPreparedEventListener,\
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com.didispace.ApplicationFailedEventListener,\
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com.didispace.ApplicationPreparedEventListener,\
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com.didispace.ApplicationReadyEventListener,\
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com.didispace.ApplicationStartedEventListener,\
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com.didispace.ApplicationStartingEventListener

‎Chapter2-1-2/src/main/resources/application.properties

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‎Chapter2-2-1/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.didispace</groupId>
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<artifactId>Chapter2-2-1</artifactId>
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<version>1.0.0</version>
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<packaging>jar</packaging>
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<name>Chapter2-2-1</name>
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<description>Spring Boot 2 : Relaxed Binding</description>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.0.0.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter</artifactId>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>1.16.20</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>

‎Chapter2-2-1/src/main/java/com/didispace/Application.java

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package com.didispace;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.boot.context.properties.ConfigurationPropertiesBinding;
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import org.springframework.boot.context.properties.bind.Bindable;
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import org.springframework.boot.context.properties.bind.Binder;
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import org.springframework.context.ApplicationContext;
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import java.util.List;
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/**
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*
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* @author 程序猿DD
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* @version 1.0.0
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* @blog http://blog.didispace.com
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*
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*/
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@SpringBootApplication
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public class Application {
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public static void main(String[] args) {
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ApplicationContext context = SpringApplication.run(Application.class, args);
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Binder binder = Binder.get(context.getEnvironment());
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// 绑定简单配置
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FooProperties foo = binder.bind("com.didispace", Bindable.of(FooProperties.class)).get();
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System.out.println(foo.getFoo());
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// 绑定List配置
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List<String> post = binder.bind("com.didispace.post", Bindable.listOf(String.class)).get();
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System.out.println(post);
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List<PostInfo> posts = binder.bind("com.didispace.posts", Bindable.listOf(PostInfo.class)).get();
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System.out.println(posts);
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// 读取配置
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System.out.println(context.getEnvironment().containsProperty("com.didispace.database-platform"));
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System.out.println(context.getEnvironment().containsProperty("com.didispace.databasePlatform"));
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}
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}

‎Chapter2-2-1/src/main/java/com/didispace/FooProperties.java

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package com.didispace;
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import lombok.Data;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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@Data
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@ConfigurationProperties(prefix = "com.didispace")
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public class FooProperties {
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private String foo;
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private String databasePlatform;
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}

‎Chapter2-2-1/src/main/java/com/didispace/PostInfo.java

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package com.didispace;
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import lombok.Data;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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@Data
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@ConfigurationProperties
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public class PostInfo {
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private String title;
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private String content;
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}

‎Chapter2-2-1/src/main/resources/application.properties

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com.didispace.foo=bar
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com.didispace.database-platform=sql
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com.didispace.post[0]=Why Spring Boot
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com.didispace.post[1]=Why Spring Cloud
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com.didispace.posts[0].title=Why Spring Boot
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com.didispace.posts[0].content=It is perfect!
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com.didispace.posts[1].title=Why Spring Cloud
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com.didispace.posts[1].content=It is perfect too!

‎Chapter3-1-5/src/main/java/com/didispace/web/UserController.java

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}
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@ApiOperation(value="获取用户详细信息", notes="根据url的id来获取用户详细信息")
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@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long")
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@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long", paramType = "path")
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@RequestMapping(value="/{id}", method=RequestMethod.GET)
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public User getUser(@PathVariable Long id) {
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return users.get(id);
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}
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@ApiOperation(value="更新用户详细信息", notes="根据url的id来指定更新对象，并根据传过来的user信息来更新用户详细信息")
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@ApiImplicitParams({
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@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long"),
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@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long", paramType = "path"),
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@ApiImplicitParam(name = "user", value = "用户详细实体user", required = true, dataType = "User")
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})
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@RequestMapping(value="/{id}", method=RequestMethod.PUT)
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}
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@ApiOperation(value="删除用户", notes="根据url的id来指定删除对象")
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@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long")
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@ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "Long", paramType = "path")
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@RequestMapping(value="/{id}", method=RequestMethod.DELETE)
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public String deleteUser(@PathVariable Long id) {
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users.remove(id);

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