Improve analysis reporting for source sets without module-info.java

Author: jjohannes

src/main/java/org/gradlex/javamodule/dependencies/internal/bridges/DependencyAnalysisBridge.java

@@ -24,6 +24,8 @@
 import org.gradle.api.tasks.TaskProvider;
 import org.gradlex.javamodule.dependencies.tasks.ModuleDirectivesScopeCheck;
 
+import java.io.File;
+
 public class DependencyAnalysisBridge {
 
     public static void registerDependencyAnalysisPostProcessingTask(Project project, TaskProvider<Task> checkAllModuleInfo) {
@@ -33,10 +35,13 @@ public static void registerDependencyAnalysisPostProcessingTask(Project project,
                 project.getTasks().register("checkModuleDirectivesScope", ModuleDirectivesScopeCheck.class);
 
         sourceSets.all(sourceSet -> checkModuleDirectivesScope.configure(t -> {
+            File moduleInfo = new File(sourceSet.getJava().getSrcDirs().iterator().next(), "module-info.java");
+            if (!moduleInfo.exists()) {
+                moduleInfo = project.getBuildFile(); // no module-info: dependencies are declared in build file
+            }
             t.getSourceSets().put(
                     sourceSet.getName(),
-                    project.getLayout().getProjectDirectory().getAsFile().getParentFile().toPath().relativize(
-                            sourceSet.getJava().getSrcDirs().iterator().next().toPath()).resolve("module-info.java").toString());
+                    project.getLayout().getProjectDirectory().getAsFile().getParentFile().toPath().relativize(moduleInfo.toPath()).toString());
 
             Configuration cpClasspath = project.getConfigurations().getByName(sourceSet.getCompileClasspathConfigurationName());
             Configuration rtClasspath = project.getConfigurations().getByName(sourceSet.getRuntimeClasspathConfigurationName());

src/main/java/org/gradlex/javamodule/dependencies/tasks/ModuleDirectivesScopeCheck.java

@@ -65,20 +65,21 @@ public void analyze() {
 
         StringBuilder message = new StringBuilder();
         for (Map.Entry<String, String> sourceSet : getSourceSets().get().entrySet()) {
+            boolean inBuildFile = !sourceSet.getValue().endsWith("module-info.java");
             List<String> toAdd = projectAdvice.stream().filter(a ->
                     a.getToConfiguration() != null && !RUNTIME_ONLY_CONFIGURATION_NAME.equals(getScope(a.getToConfiguration()).orElse(null))
             ).filter(a ->
                     sourceSet.getKey().equals(sourceSetName(a.getToConfiguration()))
             ).map(a ->
-                    declaration(a.getToConfiguration(), a.getCoordinates().getIdentifier(), a.getCoordinates().getGradleVariantIdentification().getCapabilities())
+                    declaration(a.getToConfiguration(), a.getCoordinates().getIdentifier(), a.getCoordinates().getGradleVariantIdentification().getCapabilities(), inBuildFile)
             ).sorted().collect(Collectors.toList());
 
             List<String> toRemove = projectAdvice.stream().filter(a ->
                     a.getFromConfiguration() != null
             ).filter(a ->
                     sourceSet.getKey().equals(sourceSetName(a.getFromConfiguration()))
             ).map(a ->
-                    declaration(a.getFromConfiguration(), a.getCoordinates().getIdentifier(), a.getCoordinates().getGradleVariantIdentification().getCapabilities())
+                    declaration(a.getFromConfiguration(), a.getCoordinates().getIdentifier(), a.getCoordinates().getGradleVariantIdentification().getCapabilities(), inBuildFile)
             ).sorted().collect(Collectors.toList());
 
             if (!toAdd.isEmpty() || !toRemove.isEmpty()) {
@@ -92,7 +93,7 @@ public void analyze() {
                 message.append("\n    ").append(String.join("\n    ", toAdd));
             }
             if (!toRemove.isEmpty()) {
-                message.append("\n\nPlease remove the following requires directives:");
+                message.append("\n\nPlease remove the following requires directives (or change to runtimeOnly):");
                 message.append("\n    ").append(String.join("\n    ", toRemove));
             }
         }
@@ -101,12 +102,20 @@ public void analyze() {
         }
     }
 
-    private String declaration(String conf, String coordinates, Set<String> capabilities) {
+    private String declaration(String conf, String coordinates, Set<String> capabilities, boolean inBuildFile) {
         String capability = capabilities.isEmpty() ? coordinates : capabilities.iterator().next();
         ResolvedArtifactResult moduleJar = getModuleArtifacts().get().stream().flatMap(c -> c.getArtifacts().stream()).filter(a ->
                 coordinatesEquals(coordinates, capability, a)).findFirst().orElse(null);
         try {
-            return directive(conf) + " " + (moduleJar == null ? coordinates : readNameFromModuleFromJarFile(moduleJar.getFile())) + ";";
+            String moduleName = moduleJar == null ? coordinates : readNameFromModuleFromJarFile(moduleJar.getFile());
+            if (inBuildFile) {
+                return conf + (coordinates.startsWith(":")
+                        ? "(project(\"" + coordinates + "\"))"
+                        : "(gav(\"" + moduleName + "\"))"
+                );
+            } else {
+                return directive(conf) + " " + moduleName + ";";
+            }
         } catch (IOException e) {
             throw new RuntimeException(e);
         }