Java 类org.springframework.boot.autoconfigure.SpringBootApplication 实例源码

@Test
public void assertExistsPrivateCtor() {
    reflections.getSubTypesOf(Object.class).stream()
        .filter(clazz -> !clazz.isAnnotationPresent(Configuration.class))
        .filter(clazz -> !clazz.isAnnotationPresent(Component.class))
        .filter(clazz -> !clazz.isAnnotationPresent(SpringBootApplication.class))
        .filter(clazz -> !clazz.getName().endsWith("Test"))
        .filter(clazz -> !clazz.isInterface())
        .filter(clazz ->
            Arrays.stream(clazz.getDeclaredFields())
                .allMatch(field -> Modifier.isStatic(field.getModifiers())))
        .forEach(clazz -> {
            System.out.println("Expecting class "+clazz.getName()+" to :");
            System.out.print("\t-> be final ");
            assertThat(clazz).isFinal();
            System.out.println("[*]");
            System.out.print("\t-> have exactly one constructor ");
            Constructor<?>[] constructors = clazz.getDeclaredConstructors();
            assertThat(constructors).hasSize(1);
            System.out.println("[*]");
            System.out.print("\t-> and that this constructor is private ");
            assertThat(Modifier.isPrivate(constructors[0].getModifiers()));
            System.out.println("[*]");
        });
}

/**
 * Return root package of spring boot application.
 *
 * @param applicationContext
 * @return list of packages
 */
public static List<String> getApplicationPackageName(final ApplicationContext applicationContext) {

    Set<String> candidateClasses = new HashSet<>();
    candidateClasses.addAll(Arrays.asList(applicationContext.getBeanNamesForAnnotation(SpringBootApplication.class)));
    candidateClasses.addAll(Arrays.asList(applicationContext.getBeanNamesForAnnotation(EnableAutoConfiguration.class)));
    candidateClasses.addAll(Arrays.asList(applicationContext.getBeanNamesForAnnotation(ComponentScan.class)));

    if (candidateClasses.isEmpty()) {
        throw new RuntimeException("Is mandatory for the starter have @SpringBootApplication, @EnableAutoConfiguration or @ComponentScan annotation");
    } else {
        return candidateClasses.parallelStream()
                .map(candidateClazz -> applicationContext.getBean(candidateClazz).getClass().getPackage().getName())
                .distinct()
                .collect(Collectors.toList());
    }

}

@Test
public void springBootUseSpringBootApplicationGroovy() {
    ProjectRequest request = createProjectRequest("web");
    request.setLanguage("groovy");
    request.setBootVersion("1.2.0.RC1");
    request.setName("MyDemo");
    request.setPackageName("foo");
    generateProject(request)
            .sourceCodeAssert("src/main/groovy/foo/MyDemoApplication.groovy")
            .hasImports(SpringBootApplication.class.getName())
            .doesNotHaveImports(EnableAutoConfiguration.class.getName(),
                    ComponentScan.class.getName(), Configuration.class.getName())
            .contains("@SpringBootApplication").doesNotContain(
                    "@EnableAutoConfiguration", "@Configuration", "@ComponentScan");
}

@Bean
@ConditionalOnClass(SpringBootApplication.class)
public FilterRegistrationBean keycloakPreAuthActionsFilterRegistrationBean(
        KeycloakPreAuthActionsFilter filter) {
    FilterRegistrationBean registrationBean = new FilterRegistrationBean(filter);
    registrationBean.setEnabled(false);
    return registrationBean;
}

@Test
public void springBoot11UseEnableAutoConfigurationJava() {
    ProjectRequest request = createProjectRequest("web");
    request.setBootVersion("1.1.9.RELEASE");
    request.setName("MyDemo");
    request.setPackageName("foo");
    generateProject(request)
            .sourceCodeAssert("src/main/java/foo/MyDemoApplication.java")
            .hasImports(EnableAutoConfiguration.class.getName(),
                    ComponentScan.class.getName(), Configuration.class.getName())
            .doesNotHaveImports(SpringBootApplication.class.getName())
            .contains("@EnableAutoConfiguration", "@Configuration", "@ComponentScan")
            .doesNotContain("@SpringBootApplication");
}

@Test
public void springBootUseSpringBootApplicationJava() {
    ProjectRequest request = createProjectRequest("web");
    request.setBootVersion("1.2.0.RC1");
    request.setName("MyDemo");
    request.setPackageName("foo");
    generateProject(request)
            .sourceCodeAssert("src/main/java/foo/MyDemoApplication.java")
            .hasImports(SpringBootApplication.class.getName())
            .doesNotHaveImports(EnableAutoConfiguration.class.getName(),
                    ComponentScan.class.getName(), Configuration.class.getName())
            .contains("@SpringBootApplication").doesNotContain(
                    "@EnableAutoConfiguration", "@Configuration", "@ComponentScan");
}

@Test
public void springBoot11UseEnableAutoConfigurationGroovy() {
    ProjectRequest request = createProjectRequest("web");
    request.setLanguage("groovy");
    request.setBootVersion("1.1.9.RELEASE");
    request.setName("MyDemo");
    request.setPackageName("foo");
    generateProject(request)
            .sourceCodeAssert("src/main/groovy/foo/MyDemoApplication.groovy")
            .hasImports(EnableAutoConfiguration.class.getName(),
                    ComponentScan.class.getName(), Configuration.class.getName())
            .doesNotHaveImports(SpringBootApplication.class.getName())
            .contains("@EnableAutoConfiguration", "@Configuration", "@ComponentScan")
            .doesNotContain("@SpringBootApplication");
}

@Test
public void springBoot11UseEnableAutoConfigurationKotlin() {
    ProjectRequest request = createProjectRequest("web");
    request.setLanguage("kotlin");
    request.setBootVersion("1.1.9.RELEASE");
    request.setName("MyDemo");
    request.setPackageName("foo");
    generateProject(request)
            .sourceCodeAssert("src/main/kotlin/foo/MyDemoApplication.kt")
            .hasImports(EnableAutoConfiguration.class.getName(),
                    ComponentScan.class.getName(), Configuration.class.getName())
            .doesNotHaveImports(SpringBootApplication.class.getName())
            .contains("@EnableAutoConfiguration", "@Configuration", "@ComponentScan")
            .doesNotContain("@SpringBootApplication");
}

@Test
public void springBootUseSpringBootApplicationKotlin() {
    ProjectRequest request = createProjectRequest("web");
    request.setLanguage("kotlin");
    request.setBootVersion("1.2.0.RC1");
    request.setName("MyDemo");
    request.setPackageName("foo");
    generateProject(request)
            .sourceCodeAssert("src/main/kotlin/foo/MyDemoApplication.kt")
            .hasImports(SpringBootApplication.class.getName())
            .doesNotHaveImports(EnableAutoConfiguration.class.getName(),
                    ComponentScan.class.getName(), Configuration.class.getName())
            .contains("@SpringBootApplication").doesNotContain(
                    "@EnableAutoConfiguration", "@Configuration", "@ComponentScan");
}