Merge branch 'master' of https://github.com/JonCook/tutorials

spring-boot-custom-starter/greeter-spring-boot-autoconfigure/pom.xml

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+<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>com.baeldung</groupId>
+    <artifactId>greeter-spring-boot-autoconfigure</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>greeter-spring-boot-autoconfigure</name>
+
+    <parent>
+        <artifactId>spring-boot-custom-starter</artifactId>
+        <groupId>com.baeldung</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../spring-boot-custom-starter</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot</artifactId>
+            <version>${spring-boot.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-autoconfigure</artifactId>
+            <version>${spring-boot.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-configuration-processor</artifactId>
+            <version>${spring-boot.version}</version>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>com.baeldung</groupId>
+            <artifactId>greeter-library</artifactId>
+            <version>${greeter.version}</version>
+            <optional>true</optional>
+        </dependency>
+        
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <version>${spring-boot.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${maven-compiler-plugin.version}</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <spring-boot.version>1.5.2.RELEASE</spring-boot.version>
+        <greeter.version>0.0.1-SNAPSHOT</greeter.version>
+    </properties>
+
+</project>

spring-boot-custom-starter/greeter-spring-boot-autoconfigure/src/main/java/com/baeldung/greeter/autoconfigure/GreeterAutoConfiguration.java

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+package com.baeldung.greeter.autoconfigure;
+
+import static com.baeldung.greeter.library.GreeterConfigParams.*;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import com.baeldung.greeter.library.Greeter;
+import com.baeldung.greeter.library.GreetingConfig;
+
+@Configuration
+@ConditionalOnClass(Greeter.class)
+@EnableConfigurationProperties(GreeterProperties.class)
+public class GreeterAutoConfiguration {
+
+    @Autowired
+    private GreeterProperties greeterProperties;
+
+    @Bean
+    @ConditionalOnMissingBean
+    public GreetingConfig greeterConfig() {
+
+        String userName = greeterProperties.getUserName() == null ? System.getProperty("user.name") : greeterProperties.getUserName();
+        String morningMessage = greeterProperties.getMorningMessage() == null ? "Good Morning" : greeterProperties.getMorningMessage();
+        String afternoonMessage = greeterProperties.getAfternoonMessage() == null ? "Good Afternoon" : greeterProperties.getAfternoonMessage();
+        String eveningMessage = greeterProperties.getEveningMessage() == null ? "Good Evening" : greeterProperties.getEveningMessage();
+        String nightMessage = greeterProperties.getNightMessage() == null ? "Good Night" : greeterProperties.getNightMessage();
+
+        GreetingConfig greetingConfig = new GreetingConfig();
+        greetingConfig.put(USER_NAME, userName);
+        greetingConfig.put(MORNING_MESSAGE, morningMessage);
+        greetingConfig.put(AFTERNOON_MESSAGE, afternoonMessage);
+        greetingConfig.put(EVENING_MESSAGE, eveningMessage);
+        greetingConfig.put(NIGHT_MESSAGE, nightMessage);
+        return greetingConfig;
+    }
+
+    @Bean
+    @ConditionalOnMissingBean
+    public Greeter greeter(GreetingConfig greetingConfig) {
+        return new Greeter(greetingConfig);
+    }
+
+}

spring-boot-custom-starter/greeter-spring-boot-autoconfigure/src/main/java/com/baeldung/greeter/autoconfigure/GreeterProperties.java

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+package com.baeldung.greeter.autoconfigure;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties(prefix = "baeldung.greeter")
+public class GreeterProperties {
+
+    private String userName;
+    private String morningMessage;
+    private String afternoonMessage;
+    private String eveningMessage;
+    private String nightMessage;
+
+    public String getUserName() {
+        return userName;
+    }
+
+    public void setUserName(String userName) {
+        this.userName = userName;
+    }
+
+    public String getMorningMessage() {
+        return morningMessage;
+    }
+
+    public void setMorningMessage(String morningMessage) {
+        this.morningMessage = morningMessage;
+    }
+
+    public String getAfternoonMessage() {
+        return afternoonMessage;
+    }
+
+    public void setAfternoonMessage(String afternoonMessage) {
+        this.afternoonMessage = afternoonMessage;
+    }
+
+    public String getEveningMessage() {
+        return eveningMessage;
+    }
+
+    public void setEveningMessage(String eveningMessage) {
+        this.eveningMessage = eveningMessage;
+    }
+
+    public String getNightMessage() {
+        return nightMessage;
+    }
+
+    public void setNightMessage(String nightMessage) {
+        this.nightMessage = nightMessage;
+    }
+
+}

spring-boot-custom-starter/greeter-spring-boot-autoconfigure/src/main/resources/META-INF/spring.factories

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+org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
+com.baeldung.greeter.autoconfigure.GreeterAutoConfiguration

spring-boot-custom-starter/greeter-spring-boot-autoconfigure/src/main/resources/logback.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>

spring-boot-custom-starter/greeter-spring-boot-autoconfigure/src/test/java/org/baeldung/SpringContextIntegrationTest.java

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+package org.baeldung;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import com.baeldung.greeter.autoconfigure.GreeterAutoConfiguration;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = GreeterAutoConfiguration.class)
+public class SpringContextIntegrationTest {
+
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}

spring-boot-custom-starter/greeter-spring-boot-autoconfigure/src/test/java/org/baeldung/SpringContextTest.java

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+package org.baeldung;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import com.baeldung.greeter.autoconfigure.GreeterAutoConfiguration;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = GreeterAutoConfiguration.class)
+public class SpringContextTest {
+
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}