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GH-520 - Early reject invalid ApplicationModules bootstraps.

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We now immediately reject the ApplicationModules bootstrap in case the initial scanning of the root packages yield no classes at all.
This commit is contained in:
Oliver Drotbohm
2024-03-05 17:46:13 +01:00
parent c45a0fc9b7
commit e41d7ec083
8 changed files with 159 additions and 5 deletions
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15
spring-modulith-runtime/src/main/java/org/springframework/modulith/runtime/autoconfigure/SpringModulithRuntimeAutoConfiguration.java
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@@ -29,11 +29,13 @@ import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Role;
import org.springframework.core.io.support.SpringFactoriesLoader;
import org.springframework.core.task.AsyncTaskExecutor;
import org.springframework.core.task.SimpleAsyncTaskExecutor;
import org.springframework.modulith.ApplicationModuleInitializer;
import org.springframework.modulith.core.ApplicationModule;
import org.springframework.modulith.core.ApplicationModules;
import org.springframework.modulith.core.ApplicationModulesFactory;
import org.springframework.modulith.core.FormatableType;
import org.springframework.modulith.runtime.ApplicationModulesRuntime;
import org.springframework.modulith.runtime.ApplicationRuntime;
@@ -138,12 +140,21 @@ class SpringModulithRuntimeAutoConfiguration {
private static class ApplicationModulesBootstrap {
private static final Logger LOGGER = LoggerFactory.getLogger(ApplicationModulesBootstrap.class);
private static final ApplicationModulesFactory BOOTSTRAP;
static {
var factories = SpringFactoriesLoader.loadFactories(ApplicationModulesFactory.class,
ApplicationModulesBootstrap.class.getClassLoader());
BOOTSTRAP = !factories.isEmpty() ? factories.get(0) : ApplicationModulesFactory.defaultFactory();
}
static ApplicationModules initializeApplicationModules(Class<?> applicationMainClass) {
LOGGER.debug("Obtaining Spring Modulith application modules…");
var result = ApplicationModules.of(applicationMainClass);
var result = BOOTSTRAP.of(applicationMainClass);
var numberOfModules = result.stream().count();
if (numberOfModules == 0) {
@@ -153,7 +164,7 @@ class SpringModulithRuntimeAutoConfiguration {
} else {
LOGGER.debug("Detected {} application modules: {}", //
result.stream().count(), //
numberOfModules, //
result.stream().map(ApplicationModule::getName).toList());
}