JDR: Remove some usages of JavaClassResolver#resolveClassByFqName in LazyJavaAnnotationDescriptor

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/structure/impl/JavaAnnotationImpl.java

@@ -16,12 +16,12 @@
 
 package org.jetbrains.jet.lang.resolve.java.structure.impl;
 
-import com.intellij.psi.PsiAnnotation;
-import com.intellij.psi.PsiAnnotationMemberValue;
+import com.intellij.psi.*;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.resolve.java.structure.JavaAnnotation;
 import org.jetbrains.jet.lang.resolve.java.structure.JavaAnnotationArgument;
+import org.jetbrains.jet.lang.resolve.java.structure.JavaClass;
 import org.jetbrains.jet.lang.resolve.name.FqName;
 import org.jetbrains.jet.lang.resolve.name.Name;
 
@@ -53,4 +53,16 @@ public class JavaAnnotationImpl extends JavaElementImpl<PsiAnnotation> implement
         String qualifiedName = getPsi().getQualifiedName();
         return qualifiedName == null ? null : new FqName(qualifiedName);
     }
+
+    @Nullable
+    @Override
+    public JavaClass resolve() {
+        PsiJavaCodeReferenceElement referenceElement = getPsi().getNameReferenceElement();
+        if (referenceElement == null) return null;
+
+        PsiElement resolved = referenceElement.resolve();
+        if (!(resolved instanceof PsiClass)) return null;
+
+        return new JavaClassImpl((PsiClass) resolved);
+    }
 }

core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaAnnotationDescriptor.kt

@@ -64,7 +64,7 @@ class LazyJavaAnnotationDescriptor(
         val fqName = _fqName()
         if (fqName == null) return@createLazyValue ErrorUtils.createErrorType("No fqName: $javaAnnotation")
         val annotationClass = JavaToKotlinClassMap.getInstance().mapKotlinClass(fqName, TypeUsage.MEMBER_SIGNATURE_INVARIANT)
-                                ?: c.javaClassResolver.resolveClassByFqName(fqName)
+                ?: javaAnnotation.resolve()?.let { javaClass -> c.javaClassResolver.resolveClass(javaClass) }
         annotationClass?.getDefaultType() ?: ErrorUtils.createErrorType(fqName.asString())
     }
 
@@ -145,10 +145,9 @@ class LazyJavaAnnotationDescriptor(
 
         if (!element.isEnumEntry()) return null
 
-        val fqName = element.getContainingClass().getFqName()
-        if (fqName == null) return null
+        val containingJavaClass = element.getContainingClass()
 
-        val enumClass = c.javaClassResolver.resolveClassByFqName(fqName)
+        val enumClass = c.javaClassResolver.resolveClass(containingJavaClass)
         if (enumClass == null) return null
 
         val classifier = enumClass.getUnsubstitutedInnerClassesScope().getClassifier(element.getName())

core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/structure/JavaAnnotation.java

@@ -32,4 +32,7 @@ public interface JavaAnnotation extends JavaElement {
 
     @Nullable
     FqName getFqName();
+
+    @Nullable
+    JavaClass resolve();
 }