ascheman commented on code in PR #11505:
URL: https://github.com/apache/maven/pull/11505#discussion_r2586101877
##########
impl/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuilder.java:
##########
@@ -700,11 +709,149 @@ private void initProject(MavenProject project,
ModelBuilderResult result) {
if (!hasTest) {
project.addTestCompileSourceRoot(build.getTestSourceDirectory());
}
- for (Resource resource :
project.getBuild().getDelegate().getResources()) {
- project.addSourceRoot(new DefaultSourceRoot(baseDir,
ProjectScope.MAIN, resource));
+ // Extract modules from sources to detect modular projects
+ Set<String> modules = extractModules(sources);
+ boolean isModularProject = !modules.isEmpty();
+
+ logger.debug(
+ "Module detection for project {}: found {} module(s)
{} - modular project: {}",
+ project.getId(),
+ modules.size(),
+ modules,
+ isModularProject);
+
+ /*
+ * Handle main resources - modular project has highest
priority:
+ * 1. Modular project: use resources from <sources> if
present, otherwise inject defaults
+ * 2. Classic project: use resources from <sources> if
present, otherwise use legacy <resources>
+ */
+ List<Resource> resources =
project.getBuild().getDelegate().getResources();
+ if (isModularProject) {
+ if (hasMainResources) {
+ // Modular project with resources configured via
<sources> - already added above
+ if (!resources.isEmpty()
+ && !hasOnlySuperPomDefaults(resources,
baseDir, ProjectScope.MAIN.id())) {
+ logger.warn("Legacy <resources> element is ignored
because main resources are "
+ + "configured via
<source><lang>resources</lang></source> in <sources>");
+ }
+ logger.debug(
+ "Main resources configured via <sources>
element, ignoring legacy <resources> element");
+ } else {
+ // Modular project without resources in <sources> -
inject module-aware defaults
+ if (!resources.isEmpty()
+ && !hasOnlySuperPomDefaults(resources,
baseDir, ProjectScope.MAIN.id())) {
+ String message =
+ "Legacy <resources> element is ignored
because modular sources are configured. "
+ + "Use
<source><lang>resources</lang></source> in <sources> for custom resource
paths.";
+ logger.warn(message);
+ result.getProblemCollector()
+ .reportProblem(new
org.apache.maven.impl.model.DefaultModelProblem(
+ message,
+ Severity.WARNING,
+ Version.V41,
+ project.getModel().getDelegate(),
+ -1,
+ -1,
+ null));
+ }
+ logger.debug("Injecting module-aware main resource
roots for {} modules", modules.size());
+ for (String module : modules) {
+ Path resourcePath = baseDir.resolve("src")
+ .resolve(module)
+ .resolve(ProjectScope.MAIN.id())
+ .resolve("resources");
+ logger.debug(" - Adding main resource root: {}
(module: {})", resourcePath, module);
+ project.addSourceRoot(
+ createModularResourceRoot(baseDir, module,
ProjectScope.MAIN, outputDirectory));
+ }
+ }
+ } else {
+ // Classic (non-modular) project
+ if (hasMainResources) {
+ // Resources configured via <sources> - already added
above
+ if (!resources.isEmpty()
+ && !hasOnlySuperPomDefaults(resources,
baseDir, ProjectScope.MAIN.id())) {
+ logger.warn("Legacy <resources> element is ignored
because main resources are "
+ + "configured via
<source><lang>resources</lang></source> in <sources>");
+ }
+ logger.debug(
+ "Main resources configured via <sources>
element, ignoring legacy <resources> element");
+ } else {
+ // Use legacy <resources> element
+ logger.debug("Using explicit or default resources ({}
resources configured)", resources.size());
+ for (Resource resource : resources) {
+ project.addSourceRoot(new
DefaultSourceRoot(baseDir, ProjectScope.MAIN, resource));
+ }
+ }
}
- for (Resource resource :
project.getBuild().getDelegate().getTestResources()) {
- project.addSourceRoot(new DefaultSourceRoot(baseDir,
ProjectScope.TEST, resource));
+
+ /*
Review Comment:
Done in bef10a125a158fe6e586d1707c59c8e68233bfa7. Extracted
handleResourceConfiguration method with a ResourceHandlingContext record to
group shared parameters.
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