Fix missing annotations in GFM and unresolved static imports (#1845)

* Fix missing unresolved links in GFM

* Fix missing links to elements imported as static

2 files changed, 50 insertions, 1 deletions

diff --git a/plugins/base/src/main/kotlin/translators/psi/DefaultPsiToDocumentableTranslator.kt b/plugins/base/src/main/kotlin/translators/psi/DefaultPsiToDocumentableTranslator.kt
index 84510824..cd2bbfc6 100644
--- a/plugins/base/src/main/kotlin/translators/psi/DefaultPsiToDocumentableTranslator.kt
+++ b/plugins/base/src/main/kotlin/translators/psi/DefaultPsiToDocumentableTranslator.kt
@@ -2,6 +2,8 @@ package org.jetbrains.dokka.base.translators.psi
 
 import com.intellij.lang.jvm.JvmModifier
 import com.intellij.lang.jvm.annotation.JvmAnnotationAttribute
+import com.intellij.lang.jvm.annotation.JvmAnnotationAttributeValue
+import com.intellij.lang.jvm.annotation.JvmAnnotationEnumFieldValue
 import com.intellij.lang.jvm.types.JvmReferenceType
 import com.intellij.openapi.vfs.VirtualFileManager
 import com.intellij.psi.*
@@ -572,13 +574,22 @@ class DefaultPsiToDocumentableTranslator(
             filter { it !is KtLightAbstractAnnotation }.mapNotNull { it.toAnnotation() }
 
         private fun JvmAnnotationAttribute.toValue(): AnnotationParameterValue = when (this) {
-            is PsiNameValuePair -> value?.toValue() ?: StringValue("")
+            is PsiNameValuePair -> value?.toValue() ?: attributeValue?.toValue() ?: StringValue("")
             else -> StringValue(this.attributeName)
         }.let { annotationValue ->
             if (annotationValue is StringValue) annotationValue.copy(unquotedValue(annotationValue.value))
             else annotationValue
         }
 
+        /**
+         * This is a workaround for static imports from JDK like RetentionPolicy
+         * For some reason they are not represented in the same way than using normal import
+         */
+        private fun JvmAnnotationAttributeValue.toValue(): AnnotationParameterValue? = when (this) {
+            is JvmAnnotationEnumFieldValue -> (field as? PsiElement)?.let { EnumValue(fieldName ?: "", DRI.from(it)) }
+            else -> null
+        }
+
         private fun PsiAnnotationMemberValue.toValue(): AnnotationParameterValue? = when (this) {
             is PsiAnnotation -> toAnnotation()?.let { AnnotationValue(it) }
             is PsiArrayInitializerMemberValue -> ArrayValue(initializers.mapNotNull { it.toValue() })
diff --git a/plugins/base/src/test/kotlin/model/JavaTest.kt b/plugins/base/src/test/kotlin/model/JavaTest.kt
index 72342962..da45a920 100644
--- a/plugins/base/src/test/kotlin/model/JavaTest.kt
+++ b/plugins/base/src/test/kotlin/model/JavaTest.kt
@@ -14,6 +14,7 @@ import org.junit.jupiter.api.Test
 import utils.AbstractModelTest
 import utils.assertNotNull
 import utils.name
+import kotlin.test.assertEquals
 import  org.jetbrains.dokka.links.Callable as DRICallable
 
 class JavaTest : AbstractModelTest("/src/main/kotlin/java/Test.java", "java") {
@@ -342,4 +343,41 @@ class JavaTest : AbstractModelTest("/src/main/kotlin/java/Test.java", "java") {
             }
         }
     }
+
+    @Test
+    fun `retention should work with static import`() {
+        inlineModelTest(
+            """
+            |import java.lang.annotation.Retention;
+            |import java.lang.annotation.RetentionPolicy;
+            |import static java.lang.annotation.RetentionPolicy.RUNTIME;
+            |
+            |@Retention(RUNTIME)
+            |public @interface JsonClass {
+            |};
+            """, configuration = configuration
+        ) {
+            with((this / "java" / "JsonClass").cast<DAnnotation>()) {
+                val annotation = extra[Annotations]?.directAnnotations?.entries
+                    ?.firstOrNull()?.value //First sourceset
+                    ?.firstOrNull()
+
+                val expectedDri = DRI("java.lang.annotation", "Retention", null, PointingToDeclaration)
+                val expectedParams = "value" to EnumValue(
+                    "RUNTIME",
+                    DRI(
+                        "java.lang.annotation",
+                        "RetentionPolicy",
+                        DRICallable("RUNTIME", null, emptyList()),
+                        PointingToDeclaration
+                    )
+                )
+
+                assertEquals(expectedDri, annotation?.dri)
+                assertEquals(expectedParams.first, annotation?.params?.entries?.first()?.key)
+                assertEquals(expectedParams.second, annotation?.params?.entries?.first()?.value)
+            }
+        }
+    }
+
 }