GH-1499: do not check bean registrar imports when it is not a bean registrar implementation

Author: martinlippert

headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/reconcilers/BeanRegistrarDeclarationReconciler.java

@@ -16,6 +16,7 @@
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -26,6 +27,7 @@
 import org.springframework.ide.vscode.boot.index.SpringMetamodelIndex;
 import org.springframework.ide.vscode.boot.java.Annotations;
 import org.springframework.ide.vscode.boot.java.Boot4JavaProblemType;
+import org.springframework.ide.vscode.boot.java.utils.ASTUtils;
 import org.springframework.ide.vscode.commons.Version;
 import org.springframework.ide.vscode.commons.java.IClasspathUtil;
 import org.springframework.ide.vscode.commons.java.IJavaProject;
@@ -73,6 +75,10 @@ public boolean visit(TypeDeclaration node) {
 					return true;
 				}
 
+				if (ASTUtils.findInTypeHierarchy(type, Set.of(Annotations.BEAN_REGISTRAR_INTERFACE)) == null) {
+					return true;
+				}
+					
 				List<Bean> configBeans = new ArrayList<>();
 				Path p = Path.of(docURI);
 				List<Path> sourceFolders = IClasspathUtil.getSourceFolders(project.getClasspath()).map(f -> f.toPath()).filter(f -> p.startsWith(f)).collect(Collectors.toList());

headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/java/reconcilers/test/BeanRegistrarDeclarationReconcilerTest.java

@@ -58,6 +58,33 @@ protected JdtAstReconciler getReconciler() {
 		return new BeanRegistrarDeclarationReconciler(new QuickfixRegistry(), null);
 	}
 
+	@Test
+	void noValidationIfNoBeanRegistrar() throws Throwable {
+		String source = """
+		package com.example.demo;
+		
+		import org.springframework.beans.factory.BeanRegistrar;
+		import org.springframework.beans.factory.BeanRegistry;
+		import org.springframework.core.env.Environment;
+		
+		public class MyBeanRegistrar {
+		
+			public void register(BeanRegistry registry, Environment env) {
+			}
+		
+		}
+		""";
+		List<ReconcileProblem> problems = reconcile(() -> {
+			SpringMetamodelIndex springIndex = new SpringMetamodelIndex();
+
+			BeanRegistrarDeclarationReconciler r = new BeanRegistrarDeclarationReconciler(new QuickfixRegistry(), springIndex);
+			
+			return r;
+		}, "A.java", source, false);
+		
+		assertEquals(0, problems.size());
+	}
+
 	@Test
 	void noConfigBeans() throws Throwable {
 		String source = """