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Merge branch 'master' into BAEL-20863-move-spring-boot-ctx-fluent

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This commit is contained in:
Maiklins
2020-01-31 00:04:03 +01:00
committed by GitHub
parent 672c2c509e b479e97f2e
commit a129cf5dc0
93 changed files with 251 additions and 242 deletions
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3
spring-boot-modules/pom.xml
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@@ -15,9 +15,12 @@
<modules>
<module>spring-boot-admin</module>
<module>spring-boot-custom-starter</module>
<module>spring-boot-artifacts</module>
<module>spring-boot-ctx-fluent</module>
<module>spring-boot-autoconfiguration</module>
<module>spring-boot-data</module>
<!-- <module>spring-boot-gradle</module> --> <!-- Not a maven project -->
<module>spring-boot-keycloak</module>
<module>spring-boot-mvc-birt</module>
<module>spring-boot-performance</module>

5
spring-boot-modules/spring-boot-autoconfiguration/.gitignore vendored Normal file
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/target/
.settings/
.classpath
.project

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spring-boot-modules/spring-boot-autoconfiguration/README.md Normal file
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## Spring Boot Auto Configuration
This module contains articles about Spring Boot Auto Configuration
### The Course
The "REST With Spring" Classes: http://bit.ly/restwithspring
### Relevant Articles:
- [Create a Custom Auto-Configuration with Spring Boot](https://www.baeldung.com/spring-boot-custom-auto-configuration)
- [Guide to ApplicationContextRunner in Spring Boot](https://www.baeldung.com/spring-boot-context-runner)
- [A Guide to Spring Boot Configuration Metadata](https://www.baeldung.com/spring-boot-configuration-metadata)

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spring-boot-modules/spring-boot-autoconfiguration/pom.xml Normal file
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<?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>
<artifactId>spring-boot-autoconfiguration</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>spring-boot-autoconfiguration</name>
<packaging>war</packaging>
<description>This is simple boot application demonstrating a custom auto-configuration</description>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-boot-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-boot-2</relativePath>
</parent>
<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.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<version>2.1.6.RELEASE</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.hsqldb</groupId>
<artifactId>hsqldb</artifactId>
<scope>runtime</scope>
</dependency>
</dependencies>
<build>
<finalName>spring-boot</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>autoconfiguration</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<executions>
<execution>
<phase>integration-test</phase>
<goals>
<goal>test</goal>
</goals>
<configuration>
<excludes>
<exclude>**/*LiveTest.java</exclude>
<exclude>**/*IntegrationTest.java</exclude>
<exclude>**/*IntTest.java</exclude>
</excludes>
<includes>
<include>**/AutoconfigurationTest.java</include>
</includes>
</configuration>
</execution>
</executions>
<configuration>
<systemPropertyVariables>
<test.mime>json</test.mime>
</systemPropertyVariables>
</configuration>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<properties>
<jquery.version>3.1.1</jquery.version>
<bootstrap.version>3.3.7-1</bootstrap.version>
<subethasmtp.version>3.1.7</subethasmtp.version>
<tomee-servlet-api.version>8.5.11</tomee-servlet-api.version>
</properties>
</project>

118
spring-boot-modules/spring-boot-autoconfiguration/src/main/java/com/baeldung/autoconfiguration/MySQLAutoconfiguration.java Normal file
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package com.baeldung.autoconfiguration;
import java.util.Arrays;
import java.util.Properties;
import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureOrder;
import org.springframework.boot.autoconfigure.condition.ConditionMessage;
import org.springframework.boot.autoconfigure.condition.ConditionMessage.Style;
import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
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.boot.autoconfigure.condition.ConditionalOnResource;
import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.Ordered;
import org.springframework.core.env.Environment;
import org.springframework.core.type.AnnotatedTypeMetadata;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.util.ClassUtils;
@Configuration
@ConditionalOnClass(DataSource.class)
@AutoConfigureOrder(Ordered.HIGHEST_PRECEDENCE)
@PropertySource("classpath:mysql.properties")
public class MySQLAutoconfiguration {
@Autowired
private Environment env;
@Bean
@ConditionalOnProperty(name = "usemysql", havingValue = "local")
@ConditionalOnMissingBean
public DataSource dataSource() {
final DriverManagerDataSource dataSource = new DriverManagerDataSource();
dataSource.setDriverClassName("com.mysql.cj.jdbc.Driver");
dataSource.setUrl("jdbc:mysql://localhost:3306/myDb?createDatabaseIfNotExist=true&&serverTimezone=UTC");
dataSource.setUsername("mysqluser");
dataSource.setPassword("mysqlpass");
return dataSource;
}
@Bean(name = "dataSource")
@ConditionalOnProperty(name = "usemysql", havingValue = "custom")
@ConditionalOnMissingBean
public DataSource dataSource2() {
final DriverManagerDataSource dataSource = new DriverManagerDataSource();
dataSource.setDriverClassName("com.mysql.cj.jdbc.Driver");
dataSource.setUrl(env.getProperty("mysql.url"));
dataSource.setUsername(env.getProperty("mysql.user") != null ? env.getProperty("mysql.user") : "");
dataSource.setPassword(env.getProperty("mysql.pass") != null ? env.getProperty("mysql.pass") : "");
return dataSource;
}
@Bean
@ConditionalOnBean(name = "dataSource")
@ConditionalOnMissingBean
public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
final LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
em.setDataSource(dataSource());
em.setPackagesToScan("com.baeldung.autoconfiguration.example");
em.setJpaVendorAdapter(new HibernateJpaVendorAdapter());
if (additionalProperties() != null) {
em.setJpaProperties(additionalProperties());
}
return em;
}
@Bean
@ConditionalOnMissingBean(type = "JpaTransactionManager")
JpaTransactionManager transactionManager(final EntityManagerFactory entityManagerFactory) {
final JpaTransactionManager transactionManager = new JpaTransactionManager();
transactionManager.setEntityManagerFactory(entityManagerFactory);
return transactionManager;
}
@ConditionalOnResource(resources = "classpath:mysql.properties")
@Conditional(HibernateCondition.class)
final Properties additionalProperties() {
final Properties hibernateProperties = new Properties();
hibernateProperties.setProperty("hibernate.hbm2ddl.auto", env.getProperty("mysql-hibernate.hbm2ddl.auto"));
hibernateProperties.setProperty("hibernate.dialect", env.getProperty("mysql-hibernate.dialect"));
hibernateProperties.setProperty("hibernate.show_sql", env.getProperty("mysql-hibernate.show_sql") != null ? env.getProperty("mysql-hibernate.show_sql") : "false");
return hibernateProperties;
}
static class HibernateCondition extends SpringBootCondition {
private static final String[] CLASS_NAMES = { "org.hibernate.ejb.HibernateEntityManager", "org.hibernate.jpa.HibernateEntityManager" };
@Override
public ConditionOutcome getMatchOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
ConditionMessage.Builder message = ConditionMessage.forCondition("Hibernate");
return Arrays.stream(CLASS_NAMES).filter(className -> ClassUtils.isPresent(className, context.getClassLoader())).map(className -> ConditionOutcome.match(message.found("class").items(Style.NORMAL, className))).findAny()
.orElseGet(() -> ConditionOutcome.noMatch(message.didNotFind("class", "classes").items(Style.NORMAL, Arrays.asList(CLASS_NAMES))));
}
}
}

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spring-boot-modules/spring-boot-autoconfiguration/src/main/java/com/baeldung/autoconfiguration/annotationprocessor/AnnotationProcessorApplication.java Normal file
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package com.baeldung.autoconfiguration.annotationprocessor;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.context.annotation.ComponentScan;
import com.baeldung.autoconfiguration.MySQLAutoconfiguration;
@EnableAutoConfiguration(exclude = { MySQLAutoconfiguration.class})
@ComponentScan(basePackageClasses = {DatabaseProperties.class})
public class AnnotationProcessorApplication {
public static void main(String[] args) {
new SpringApplicationBuilder(AnnotationProcessorApplication.class).run();
}
}

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spring-boot-modules/spring-boot-autoconfiguration/src/main/java/com/baeldung/autoconfiguration/annotationprocessor/DatabaseProperties.java Normal file
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package com.baeldung.autoconfiguration.annotationprocessor;
import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Configuration;
@Configuration
@ConfigurationProperties(prefix = "database")
public class DatabaseProperties {
public static class Server {
/**
* The IP of the database server
*/
private String ip;
/**
* The Port of the database server.
* The Default value is 443.
* The allowed values are in the range 400-4000.
*/
@Min(400)
@Max(800)
private int port = 443;
public String getIp() {
return ip;
}
public void setIp(String ip) {
this.ip = ip;
}
public int getPort() {
return port;
}
public void setPort(int port) {
this.port = port;
}
}
private String username;
private String password;
private Server server;
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public Server getServer() {
return server;
}
public void setServer(Server server) {
this.server = server;
}
}

12
spring-boot-modules/spring-boot-autoconfiguration/src/main/java/com/baeldung/autoconfiguration/example/AutoconfigurationApplication.java Normal file
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package com.baeldung.autoconfiguration.example;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class AutoconfigurationApplication {
public static void main(String[] args) {
SpringApplication.run(AutoconfigurationApplication.class, args);
}
}

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spring-boot-modules/spring-boot-autoconfiguration/src/main/java/com/baeldung/autoconfiguration/example/MyUser.java Normal file
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package com.baeldung.autoconfiguration.example;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class MyUser {
@Id
private String email;
public MyUser() {
}
public MyUser(String email) {
super();
this.email = email;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
}

7
spring-boot-modules/spring-boot-autoconfiguration/src/main/java/com/baeldung/autoconfiguration/example/MyUserRepository.java Normal file
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package com.baeldung.autoconfiguration.example;
import org.springframework.data.jpa.repository.JpaRepository;
public interface MyUserRepository extends JpaRepository<MyUser, String> {
}

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spring-boot-modules/spring-boot-autoconfiguration/src/main/java/com/baeldung/autoconfiguration/service/CustomService.java Normal file
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package com.baeldung.autoconfiguration.service;
public class CustomService implements SimpleService {
@Override
public String serve() {
return "Custom Service";
}
}

10
spring-boot-modules/spring-boot-autoconfiguration/src/main/java/com/baeldung/autoconfiguration/service/DefaultService.java Normal file
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package com.baeldung.autoconfiguration.service;
public class DefaultService implements SimpleService {
@Override
public String serve() {
return "Default Service";
}
}

7
spring-boot-modules/spring-boot-autoconfiguration/src/main/java/com/baeldung/autoconfiguration/service/SimpleService.java Normal file
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package com.baeldung.autoconfiguration.service;
public interface SimpleService {
public String serve();
}

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spring-boot-modules/spring-boot-autoconfiguration/src/main/resources/META-INF/spring.factories Normal file
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org.springframework.boot.autoconfigure.EnableAutoConfiguration=com.baeldung.autoconfiguration.MySQLAutoconfiguration

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spring-boot-modules/spring-boot-autoconfiguration/src/main/resources/application.properties Normal file
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spring.jpa.show-sql=true
spring.jpa.hibernate.ddl-auto = update

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spring-boot-modules/spring-boot-autoconfiguration/src/main/resources/logback.xml Normal file
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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>

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spring-boot-modules/spring-boot-autoconfiguration/src/main/resources/mysql.properties Normal file
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usemysql=local
mysql-hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
mysql-hibernate.show_sql=true
mysql-hibernate.hbm2ddl.auto=create-drop

19
spring-boot-modules/spring-boot-autoconfiguration/src/test/java/com/baeldung/SpringContextLiveTest.java Normal file
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package com.baeldung;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import com.baeldung.autoconfiguration.MySQLAutoconfiguration;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = MySQLAutoconfiguration.class)
@WebAppConfiguration
public class SpringContextLiveTest {
@Test
public void whenSpringContextIsBootstrapped_thenNoExceptions() {
}
}

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spring-boot-modules/spring-boot-autoconfiguration/src/test/java/com/baeldung/autoconfiguration/AutoconfigurationLiveTest.java Normal file
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package com.baeldung.autoconfiguration;
import com.baeldung.autoconfiguration.example.AutoconfigurationApplication;
import com.baeldung.autoconfiguration.example.MyUser;
import com.baeldung.autoconfiguration.example.MyUserRepository;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest(classes = AutoconfigurationApplication.class)
@EnableJpaRepositories(basePackages = { "com.baeldung.autoconfiguration.example" })
public class AutoconfigurationLiveTest {
@Autowired
private MyUserRepository userRepository;
@Test
public void whenSaveUser_thenOk() {
MyUser user = new MyUser("user@email.com");
userRepository.save(user);
}
}

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spring-boot-modules/spring-boot-autoconfiguration/src/test/java/com/baeldung/autoconfiguration/ConditionalOnBeanIntegrationTest.java Normal file
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package com.baeldung.autoconfiguration;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Test;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
public class ConditionalOnBeanIntegrationTest {
private final ApplicationContextRunner contextRunner = new ApplicationContextRunner();
@Test
public void whenDependentBeanIsPresent_thenConditionalBeanCreated() {
this.contextRunner.withUserConfiguration(BasicConfiguration.class, ConditionalOnBeanConfiguration.class)
.run((context) -> {
assertThat(context).hasBean("created");
assertThat(context).getBean("created")
.isEqualTo("This is always created");
assertThat(context).hasBean("createOnBean");
assertThat(context).getBean("createOnBean")
.isEqualTo("This is created when bean (name=created) is present");
});
}
@Test
public void whenDependentBeanIsPresent_thenConditionalMissingBeanIgnored() {
this.contextRunner.withUserConfiguration(BasicConfiguration.class, ConditionalOnMissingBeanConfiguration.class)
.run((context) -> {
assertThat(context).hasBean("created");
assertThat(context).getBean("created")
.isEqualTo("This is always created");
assertThat(context).doesNotHaveBean("createOnMissingBean");
});
}
@Test
public void whenDependentBeanIsNotPresent_thenConditionalMissingBeanCreated() {
this.contextRunner.withUserConfiguration(ConditionalOnMissingBeanConfiguration.class)
.run((context) -> {
assertThat(context).hasBean("createOnMissingBean");
assertThat(context).getBean("createOnMissingBean")
.isEqualTo("This is created when bean (name=created) is missing");
assertThat(context).doesNotHaveBean("created");
});
}
@Configuration
protected static class BasicConfiguration {
@Bean
public String created() {
return "This is always created";
}
}
@Configuration
@ConditionalOnBean(name = "created")
protected static class ConditionalOnBeanConfiguration {
@Bean
public String createOnBean() {
return "This is created when bean (name=created) is present";
}
}
@Configuration
@ConditionalOnMissingBean(name = "created")
protected static class ConditionalOnMissingBeanConfiguration {
@Bean
public String createOnMissingBean() {
return "This is created when bean (name=created) is missing";
}
}
}

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spring-boot-modules/spring-boot-autoconfiguration/src/test/java/com/baeldung/autoconfiguration/ConditionalOnClassIntegrationTest.java Normal file
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package com.baeldung.autoconfiguration;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Test;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingClass;
import org.springframework.boot.test.context.FilteredClassLoader;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
public class ConditionalOnClassIntegrationTest {
private final ApplicationContextRunner contextRunner = new ApplicationContextRunner();
@Test
public void whenDependentClassIsPresent_thenBeanCreated() {
this.contextRunner.withUserConfiguration(ConditionalOnClassConfiguration.class)
.run(context -> {
assertThat(context).hasBean("created");
assertThat(context.getBean("created")).isEqualTo("This is created when ConditionalOnClassIntegrationTest is present on the classpath");
});
}
@Test
public void whenDependentClassIsPresent_thenBeanMissing() {
this.contextRunner.withUserConfiguration(ConditionalOnMissingClassConfiguration.class)
.run(context -> {
assertThat(context).doesNotHaveBean("missed");
});
}
@Test
public void whenDependentClassIsNotPresent_thenBeanMissing() {
this.contextRunner.withUserConfiguration(ConditionalOnClassConfiguration.class)
.withClassLoader(new FilteredClassLoader(ConditionalOnClassIntegrationTest.class))
.run((context) -> {
assertThat(context).doesNotHaveBean("created");
assertThat(context).doesNotHaveBean(ConditionalOnClassIntegrationTest.class);
});
}
@Test
public void whenDependentClassIsNotPresent_thenBeanCreated() {
this.contextRunner.withUserConfiguration(ConditionalOnMissingClassConfiguration.class)
.withClassLoader(new FilteredClassLoader(ConditionalOnClassIntegrationTest.class))
.run((context) -> {
assertThat(context).hasBean("missed");
assertThat(context).getBean("missed")
.isEqualTo("This is missed when ConditionalOnClassIntegrationTest is present on the classpath");
assertThat(context).doesNotHaveBean(ConditionalOnClassIntegrationTest.class);
});
}
@Configuration
@ConditionalOnClass(ConditionalOnClassIntegrationTest.class)
protected static class ConditionalOnClassConfiguration {
@Bean
public String created() {
return "This is created when ConditionalOnClassIntegrationTest is present on the classpath";
}
}
@Configuration
@ConditionalOnMissingClass("com.baeldung.autoconfiguration.ConditionalOnClassIntegrationTest")
protected static class ConditionalOnMissingClassConfiguration {
@Bean
public String missed() {
return "This is missed when ConditionalOnClassIntegrationTest is present on the classpath";
}
}
}

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spring-boot-modules/spring-boot-autoconfiguration/src/test/java/com/baeldung/autoconfiguration/ConditionalOnPropertyIntegrationTest.java Normal file
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package com.baeldung.autoconfiguration;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Test;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.context.TestPropertySource;
import com.baeldung.autoconfiguration.service.CustomService;
import com.baeldung.autoconfiguration.service.DefaultService;
import com.baeldung.autoconfiguration.service.SimpleService;
public class ConditionalOnPropertyIntegrationTest {
private final ApplicationContextRunner contextRunner = new ApplicationContextRunner();
@Test
public void whenGivenCustomPropertyValue_thenCustomServiceCreated() {
this.contextRunner.withPropertyValues("com.baeldung.service=custom")
.withUserConfiguration(SimpleServiceConfiguration.class)
.run(context -> {
assertThat(context).hasBean("customService");
SimpleService simpleService = context.getBean(CustomService.class);
assertThat(simpleService.serve()).isEqualTo("Custom Service");
assertThat(context).doesNotHaveBean("defaultService");
});
}
@Test
public void whenGivenDefaultPropertyValue_thenDefaultServiceCreated() {
this.contextRunner.withPropertyValues("com.baeldung.service=default")
.withUserConfiguration(SimpleServiceConfiguration.class)
.run(context -> {
assertThat(context).hasBean("defaultService");
SimpleService simpleService = context.getBean(DefaultService.class);
assertThat(simpleService.serve()).isEqualTo("Default Service");
assertThat(context).doesNotHaveBean("customService");
});
}
@Configuration
@TestPropertySource("classpath:ConditionalOnPropertyTest.properties")
protected static class SimpleServiceConfiguration {
@Bean
@ConditionalOnProperty(name = "com.baeldung.service", havingValue = "default")
@ConditionalOnMissingBean
public DefaultService defaultService() {
return new DefaultService();
}
@Bean
@ConditionalOnProperty(name = "com.baeldung.service", havingValue = "custom")
@ConditionalOnMissingBean
public CustomService customService() {
return new CustomService();
}
}
}

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spring-boot-modules/spring-boot-autoconfiguration/src/test/java/com/baeldung/autoconfiguration/SpringContextLiveTest.java Normal file
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package com.baeldung.autoconfiguration;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.test.context.junit4.SpringRunner;
import com.baeldung.autoconfiguration.example.AutoconfigurationApplication;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = AutoconfigurationApplication.class)
@EnableJpaRepositories(basePackages = { "com.baeldung.autoconfiguration.example" })
public class SpringContextLiveTest {
@Test
public void whenSpringContextIsBootstrapped_thenNoExceptions() {
}
}

31
spring-boot-modules/spring-boot-autoconfiguration/src/test/java/com/baeldung/autoconfiguration/annotationprocessor/DatabasePropertiesIntegrationTest.java Normal file
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package com.baeldung.autoconfiguration.annotationprocessor;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.TestPropertySource;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = AnnotationProcessorApplication.class)
@TestPropertySource("classpath:databaseproperties-test.properties")
public class DatabasePropertiesIntegrationTest {
@Autowired
private DatabaseProperties databaseProperties;
@Test
public void whenSimplePropertyQueriedThenReturnsPropertyValue() throws Exception {
Assert.assertEquals("Incorrectly bound Username property", "baeldung", databaseProperties.getUsername());
Assert.assertEquals("Incorrectly bound Password property", "password", databaseProperties.getPassword());
}
@Test
public void whenNestedPropertyQueriedThenReturnsPropertyValue() throws Exception {
Assert.assertEquals("Incorrectly bound Server IP nested property", "127.0.0.1", databaseProperties.getServer().getIp());
Assert.assertEquals("Incorrectly bound Server Port nested property", 3306, databaseProperties.getServer().getPort());
}
}

1
spring-boot-modules/spring-boot-autoconfiguration/src/test/resources/ConditionalOnPropertyTest.properties Normal file
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com.baeldung.service=custom

7
spring-boot-modules/spring-boot-autoconfiguration/src/test/resources/databaseproperties-test.properties Normal file
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#Simple Properties
database.username=baeldung
database.password=password
#Nested Properties
database.server.ip=127.0.0.1
database.server.port=3306

16
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## Spring Boot Custom Starter
This module contains articles about writing [Spring Boot Starters](https://www.baeldung.com/spring-boot-starters).
### Relevant Articles:
- [Creating a Custom Starter with Spring Boot](https://www.baeldung.com/spring-boot-custom-starter)
- **greeter-library**: The sample library that we're creating the starter for.
- **greeter-spring-boot-autoconfigure**: The project containing the auto-configuration for the library.
- **greeter-spring-boot-starter**: The custom starter for the library.
- **greeter-spring-boot-sample-app**: The sample project that uses the custom starter.
- [Multi-Module Project With Spring Boot](https://www.baeldung.com/spring-boot-multiple-modules)

19
spring-boot-modules/spring-boot-custom-starter/greeter-library/README.md Normal file
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# Greeter App
This app takes in the user's name and messages for different times of day as configuration parameters and outptus the greeting messge. For example it will take the name **John** and the message for morning time as **Good Morning** and output the message **Hello John, Good Morning**.
## Usage
Create and populate the class `GreetingConfig`, instantiate a `Greeter` using the `GreetingConfig` and use it get greeting messages:
```java
GreetingConfig greetingConfig = new GreetingConfig();
greetingConfig.put(USER_NAME, "World");
greetingConfig.put(MORNING_MESSAGE, "Good Morning");
greetingConfig.put(AFTERNOON_MESSAGE, "Good Afternoon");
greetingConfig.put(EVENING_MESSAGE, "Good Evening");
greetingConfig.put(NIGHT_MESSAGE, "Good Night");
Greeter greeter = new Greeter(greetingConfig);
greeter.greet();
```

15
spring-boot-modules/spring-boot-custom-starter/greeter-library/pom.xml Normal file
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<?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>
<artifactId>greeter-library</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>greeter-library</name>
<parent>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>spring-boot-custom-starter</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
</project>

35
spring-boot-modules/spring-boot-custom-starter/greeter-library/src/main/java/com/baeldung/greeter/library/Greeter.java Normal file
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package com.baeldung.greeter.library;
import static com.baeldung.greeter.library.GreeterConfigParams.*;
import java.time.LocalDateTime;
public class Greeter {
private GreetingConfig greetingConfig;
public Greeter(GreetingConfig greetingConfig) {
this.greetingConfig = greetingConfig;
}
public String greet(LocalDateTime localDateTime) {
String name = greetingConfig.getProperty(USER_NAME);
int hourOfDay = localDateTime.getHour();
if (hourOfDay >= 5 && hourOfDay < 12) {
return String.format("Hello %s, %s", name, greetingConfig.get(MORNING_MESSAGE));
} else if (hourOfDay >= 12 && hourOfDay < 17) {
return String.format("Hello %s, %s", name, greetingConfig.get(AFTERNOON_MESSAGE));
} else if (hourOfDay >= 17 && hourOfDay < 20) {
return String.format("Hello %s, %s", name, greetingConfig.get(EVENING_MESSAGE));
} else {
return String.format("Hello %s, %s", name, greetingConfig.get(NIGHT_MESSAGE));
}
}
public String greet() {
return greet(LocalDateTime.now());
}
}

11
spring-boot-modules/spring-boot-custom-starter/greeter-library/src/main/java/com/baeldung/greeter/library/GreeterConfigParams.java Normal file
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package com.baeldung.greeter.library;
public class GreeterConfigParams {
public static final String USER_NAME = "user.name";
public static final String MORNING_MESSAGE = "morning.message";
public static final String AFTERNOON_MESSAGE = "afternoon.message";
public static final String EVENING_MESSAGE = "evening.message";
public static final String NIGHT_MESSAGE = "night.message";
}

9
spring-boot-modules/spring-boot-custom-starter/greeter-library/src/main/java/com/baeldung/greeter/library/GreetingConfig.java Normal file
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package com.baeldung.greeter.library;
import java.util.Properties;
public class GreetingConfig extends Properties{
private static final long serialVersionUID = 5662570853707247891L;
}

13
spring-boot-modules/spring-boot-custom-starter/greeter-library/src/main/resources/logback.xml Normal file
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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>

58
spring-boot-modules/spring-boot-custom-starter/greeter-library/src/test/java/com/baeldung/greeter/GreeterIntegrationTest.java Normal file
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package com.baeldung.greeter;
import static com.baeldung.greeter.library.GreeterConfigParams.*;
import static org.junit.Assert.assertEquals;
import java.time.LocalDateTime;
import com.baeldung.greeter.library.Greeter;
import com.baeldung.greeter.library.GreetingConfig;
import org.junit.BeforeClass;
import org.junit.Test;
public class GreeterIntegrationTest {
private static GreetingConfig greetingConfig;
@BeforeClass
public static void initalizeGreetingConfig() {
greetingConfig = new GreetingConfig();
greetingConfig.put(USER_NAME, "World");
greetingConfig.put(MORNING_MESSAGE, "Good Morning");
greetingConfig.put(AFTERNOON_MESSAGE, "Good Afternoon");
greetingConfig.put(EVENING_MESSAGE, "Good Evening");
greetingConfig.put(NIGHT_MESSAGE, "Good Night");
}
@Test
public void givenMorningTime_ifMorningMessage_thenSuccess() {
String expected = "Hello World, Good Morning";
Greeter greeter = new Greeter(greetingConfig);
String actual = greeter.greet(LocalDateTime.of(2017, 3, 1, 6, 0));
assertEquals(expected, actual);
}
@Test
public void givenAfternoonTime_ifAfternoonMessage_thenSuccess() {
String expected = "Hello World, Good Afternoon";
Greeter greeter = new Greeter(greetingConfig);
String actual = greeter.greet(LocalDateTime.of(2017, 3, 1, 13, 0));
assertEquals(expected, actual);
}
@Test
public void givenEveningTime_ifEveningMessage_thenSuccess() {
String expected = "Hello World, Good Evening";
Greeter greeter = new Greeter(greetingConfig);
String actual = greeter.greet(LocalDateTime.of(2017, 3, 1, 19, 0));
assertEquals(expected, actual);
}
@Test
public void givenNightTime_ifNightMessage_thenSuccess() {
String expected = "Hello World, Good Night";
Greeter greeter = new Greeter(greetingConfig);
String actual = greeter.greet(LocalDateTime.of(2017, 3, 1, 21, 0));
assertEquals(expected, actual);
}
}

70
spring-boot-modules/spring-boot-custom-starter/greeter-spring-boot-autoconfigure/pom.xml Normal file
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<?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>
<artifactId>greeter-spring-boot-autoconfigure</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>greeter-spring-boot-autoconfigure</name>
<parent>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>spring-boot-custom-starter</artifactId>
<version>0.0.1-SNAPSHOT</version>
</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>${spring-boot.version}</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>greeter-library</artifactId>
<version>${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>

48
spring-boot-modules/spring-boot-custom-starter/greeter-spring-boot-autoconfigure/src/main/java/com/baeldung/greeter/autoconfigure/GreeterAutoConfiguration.java Normal file
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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);
}
}

54
spring-boot-modules/spring-boot-custom-starter/greeter-spring-boot-autoconfigure/src/main/java/com/baeldung/greeter/autoconfigure/GreeterProperties.java Normal file
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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;
}
}

2
spring-boot-modules/spring-boot-custom-starter/greeter-spring-boot-autoconfigure/src/main/resources/META-INF/spring.factories Normal file
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org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
com.baeldung.greeter.autoconfigure.GreeterAutoConfiguration

13
spring-boot-modules/spring-boot-custom-starter/greeter-spring-boot-autoconfigure/src/main/resources/logback.xml Normal file
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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>

17
spring-boot-modules/spring-boot-custom-starter/greeter-spring-boot-autoconfigure/src/test/java/org/baeldung/SpringContextTest.java Normal file
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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() {
}
}

45
spring-boot-modules/spring-boot-custom-starter/greeter-spring-boot-sample-app/pom.xml Normal file
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<?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>
<artifactId>greeter-spring-boot-sample-app</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>greeter-spring-boot-sample-app</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-boot-1</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../../parent-boot-1</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>greeter-spring-boot-starter</artifactId>
<version>${greeter-starter.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${spring-boot.version}</version>
</plugin>
</plugins>
</pluginManagement>
</build>
<properties>
<greeter-starter.version>0.0.1-SNAPSHOT</greeter-starter.version>
</properties>
</project>

25
spring-boot-modules/spring-boot-custom-starter/greeter-spring-boot-sample-app/src/main/java/com/baeldung/greeter/sample/GreeterSampleApplication.java Normal file
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package com.baeldung.greeter.sample;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import com.baeldung.greeter.library.Greeter;
@SpringBootApplication
public class GreeterSampleApplication implements CommandLineRunner {
@Autowired
private Greeter greeter;
public static void main(String[] args) {
SpringApplication.run(GreeterSampleApplication.class, args);
}
@Override
public void run(String... args) throws Exception {
String message = greeter.greet();
System.out.println(message);
}
}

2
spring-boot-modules/spring-boot-custom-starter/greeter-spring-boot-sample-app/src/main/resources/application.properties Normal file
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baeldung.greeter.userName=Baeldung
baeldung.greeter.afternoonMessage=Woha\ Afternoon

13
spring-boot-modules/spring-boot-custom-starter/greeter-spring-boot-sample-app/src/main/resources/logback.xml Normal file
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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>

50
spring-boot-modules/spring-boot-custom-starter/greeter-spring-boot-sample-app/src/test/java/com/baeldung/greeter/sample/GreeterSampleApplicationIntegrationTest.java Normal file
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package com.baeldung.greeter.sample;
import static org.junit.Assert.assertEquals;
import java.time.LocalDateTime;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import com.baeldung.greeter.library.Greeter;
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest(classes = GreeterSampleApplication.class)
public class GreeterSampleApplicationIntegrationTest {
@Autowired
private Greeter greeter;
@Test
public void givenMorningTime_ifMorningMessage_thenSuccess() {
String expected = "Hello Baeldung, Good Morning";
String actual = greeter.greet(LocalDateTime.of(2017, 3, 1, 6, 0));
assertEquals(expected, actual);
}
@Test
public void givenAfternoonTime_ifAfternoonMessage_thenSuccess() {
String expected = "Hello Baeldung, Woha Afternoon";
String actual = greeter.greet(LocalDateTime.of(2017, 3, 1, 13, 0));
assertEquals(expected, actual);
}
@Test
public void givenEveningTime_ifEveningMessage_thenSuccess() {
String expected = "Hello Baeldung, Good Evening";
String actual = greeter.greet(LocalDateTime.of(2017, 3, 1, 19, 0));
assertEquals(expected, actual);
}
@Test
public void givenNightTime_ifNightMessage_thenSuccess() {
String expected = "Hello Baeldung, Good Night";
String actual = greeter.greet(LocalDateTime.of(2017, 3, 1, 21, 0));
assertEquals(expected, actual);
}
}

17
spring-boot-modules/spring-boot-custom-starter/greeter-spring-boot-sample-app/src/test/java/org/baeldung/SpringContextTest.java Normal file
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package org.baeldung;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import com.baeldung.greeter.sample.GreeterSampleApplication;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = GreeterSampleApplication.class)
public class SpringContextTest {
@Test
public void whenSpringContextIsBootstrapped_thenNoExceptions() {
}
}

57
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<?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>
<artifactId>greeter-spring-boot-starter</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>greeter-spring-boot-starter</name>
<parent>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>spring-boot-custom-starter</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
<version>${spring-boot.version}</version>
</dependency>
<dependency>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>greeter-spring-boot-autoconfigure</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>greeter-library</artifactId>
<version>${greeter.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${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>
<greeter.version>0.0.1-SNAPSHOT</greeter.version>
<spring-boot.version>1.5.2.RELEASE</spring-boot.version>
</properties>
</project>

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<?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>
<artifactId>greeter</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>greeter</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-boot-1</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../../parent-boot-1</relativePath>
</parent>
</project>

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spring-boot-modules/spring-boot-custom-starter/pom.xml Normal file
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<?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>
<artifactId>spring-boot-custom-starter</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>spring-boot-custom-starter</name>
<packaging>pom</packaging>
<parent>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>spring-boot-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<modules>
<module>greeter-library</module>
<module>greeter-spring-boot-autoconfigure</module>
<module>greeter-spring-boot-starter</module>
<module>greeter-spring-boot-sample-app</module>
</modules>
</project>

2
spring-boot-modules/spring-boot-gradle/.gitignore vendored Normal file
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.gradle/
build/

8
spring-boot-modules/spring-boot-gradle/README.md Normal file
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## Spring Boot Gradle
This module contains articles about Gradle in Spring Boot projects.
### Relevant Articles:
- [Spring Boot: Configuring a Main Class](https://www.baeldung.com/spring-boot-main-class)
- [Thin JARs with Spring Boot](https://www.baeldung.com/spring-boot-thin-jar)

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buildscript {
ext {
springBootPlugin = 'org.springframework.boot:spring-boot-gradle-plugin'
springBootVersion = '2.0.2.RELEASE'
thinPlugin = 'org.springframework.boot.experimental:spring-boot-thin-gradle-plugin'
thinVersion = '1.0.11.RELEASE'
}
repositories {
mavenCentral()
}
dependencies {
classpath("${springBootPlugin}:${springBootVersion}")
classpath("${thinPlugin}:${thinVersion}")
}
}
apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'org.springframework.boot'
apply plugin: 'io.spring.dependency-management'
//add tasks thinJar and thinResolve for thin JAR deployments
apply plugin: 'org.springframework.boot.experimental.thin-launcher'
group = 'org.baeldung'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = 1.8
repositories {
mavenCentral()
}
dependencies {
compile('org.springframework.boot:spring-boot-starter')
testCompile('org.springframework.boot:spring-boot-starter-test')
}
springBoot {
mainClassName = 'org.baeldung.DemoApplication'
}
bootJar {
// This is overridden by the mainClassName in springBoot{} and added here for reference purposes.
mainClassName = 'org.baeldung.DemoApplication'
// This block serves the same purpose as the above thus commented out. Added here for reference purposes
// manifest {
// attributes 'Start-Class': 'org.baeldung.DemoApplication'
// }
}
//Enable this to generate and use a pom.xml file
apply plugin: 'maven'
//If you want to customize the generated pom.xml you can edit this task and add it as a dependency to the bootJar task
task createPom {
def basePath = 'build/resources/main/META-INF/maven'
doLast {
pom {
withXml(dependencyManagement.pomConfigurer)
}.writeTo("${basePath}/${project.group}/${project.name}/pom.xml")
}
}
//Uncomment the following to use your custom generated pom.xml
bootJar.dependsOn = [createPom]
//Enable this to generate and use a thin.properties file
//bootJar.dependsOn = [thinProperties]

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spring-boot-modules/spring-boot-gradle/gradle/wrapper/gradle-wrapper.properties vendored Normal file
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#Fri Jun 01 20:39:48 CEST 2018
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-4.5.1-all.zip

172
spring-boot-modules/spring-boot-gradle/gradlew vendored Executable file
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#!/usr/bin/env sh
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS=""
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn ( ) {
echo "$*"
}
die ( ) {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin, switch paths to Windows format before running java
if $cygwin ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=$((i+1))
done
case $i in
(0) set -- ;;
(1) set -- "$args0" ;;
(2) set -- "$args0" "$args1" ;;
(3) set -- "$args0" "$args1" "$args2" ;;
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save ( ) {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=$(save "$@")
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
cd "$(dirname "$0")"
fi
exec "$JAVACMD" "$@"

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spring-boot-modules/spring-boot-gradle/gradlew.bat vendored Normal file
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@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS=
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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rootProject.name = 'demo'

12
spring-boot-modules/spring-boot-gradle/src/main/java/org/baeldung/DemoApplication.java Normal file
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package org.baeldung;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}

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spring-boot-modules/spring-boot-gradle/src/main/resources/application.properties Normal file
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spring-boot-modules/spring-boot-gradle/src/main/resources/logback.xml Normal file
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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>

16
spring-boot-modules/spring-boot-gradle/src/test/java/org/baeldung/DemoApplicationTests.java Normal file
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package org.baeldung;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest
public class DemoApplicationTests {
@Test
public void contextLoads() {
}
}