[java] IDEA-379795 Add hasAnnotations() to PsiAnnotationOwner, PsiModifierListOwner and TypeAnnotationProvider

GitOrigin-RevId: dbe2d9508f45fb5bbbff26c1ba81792f5120c690

java/java-psi-impl/src/com/intellij/psi/impl/JavaClassSupersImpl.java

@@ -112,7 +112,7 @@ public final class JavaClassSupersImpl extends JavaClassSupers {
         PsiType targetType;
         if (paramCandidate instanceof PsiTypeParameter && paramCandidate != parameter) {
           targetType = outer.substituteWithBoundsPromotion((PsiTypeParameter)paramCandidate);
-          if (targetType != null && innerType.getAnnotations().length > 0) {
+          if (targetType != null && innerType.hasAnnotations()) {
             PsiAnnotation[] typeAnnotations = targetType.getAnnotations();
             targetType = targetType.annotate(() -> ArrayUtil.mergeArrays(innerType.getAnnotations(), typeAnnotations));
           }

java/java-psi-impl/src/com/intellij/psi/impl/compiled/ClsModifierListImpl.java

@@ -52,6 +52,11 @@ public class ClsModifierListImpl extends ClsRepositoryPsiElement<PsiModifierList
   public PsiAnnotation @NotNull [] getAnnotations() {
     return getStub().getChildrenByType(JavaStubElementTypes.ANNOTATION, PsiAnnotation.ARRAY_FACTORY);
   }
+  
+  @Override
+  public boolean hasAnnotations() {
+    return getStub().findChildStubByElementType(JavaStubElementTypes.ANNOTATION) != null;
+  }
 
   @Override
   public PsiAnnotation @NotNull [] getApplicableAnnotations() {

java/java-psi-impl/src/com/intellij/psi/impl/source/PsiClassReferenceType.java

@@ -86,6 +86,20 @@ public class PsiClassReferenceType extends PsiClassType.Stub {
     return getAnnotations(true);
   }
 
+  @Override
+  public boolean hasAnnotations() {
+    if (super.hasAnnotations()) return true;
+    PsiJavaCodeReferenceElement reference = myReference.retrieveReference();
+    if (reference != null && reference.isValid() && reference.isQualified()) {
+      for (PsiElement child = reference.getFirstChild(); child != null; child = child.getNextSibling()) {
+        if (child instanceof PsiAnnotation) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+
   private PsiAnnotation[] getAnnotations(boolean merge) {
     PsiAnnotation[] annotations = super.getAnnotations();
 

java/java-psi-impl/src/com/intellij/psi/impl/source/PsiModifierListImpl.java

@@ -306,6 +306,12 @@ public class PsiModifierListImpl extends JavaStubPsiElement<PsiModifierListStub>
     List<PsiAnnotation> ext = PsiAugmentProvider.collectAugments(this, PsiAnnotation.class, null);
     return ArrayUtil.mergeArrayAndCollection(own, ext, PsiAnnotation.ARRAY_FACTORY);
   }
+  
+  @Override
+  public boolean hasAnnotations() {
+    return getStubOrPsiChild(JavaStubElementTypes.ANNOTATION) != null ||
+           !PsiAugmentProvider.collectAugments(this, PsiAnnotation.class, null).isEmpty();
+  }
 
   @Override
   public PsiAnnotation @NotNull [] getApplicableAnnotations() {

java/java-psi-impl/src/com/intellij/psi/impl/source/PsiTypeElementImpl.java

@@ -404,6 +404,11 @@ public class PsiTypeElementImpl extends CompositePsiElement implements PsiTypeEl
     return getType().getAnnotations();
   }
 
+  @Override
+  public boolean hasAnnotations() {
+    return getType().hasAnnotations();
+  }
+
   @Override
   public PsiAnnotation @NotNull [] getApplicableAnnotations() {
     return getAnnotations();