Fix link to javadoc enum entry (#2131)

1 files changed, 16 insertions, 4 deletions

diff --git a/plugins/base/src/main/kotlin/resolvers/external/javadoc/JavadocExternalLocationProvider.kt b/plugins/base/src/main/kotlin/resolvers/external/javadoc/JavadocExternalLocationProvider.kt
index f1a32cb4..84445d2a 100644
--- a/plugins/base/src/main/kotlin/resolvers/external/javadoc/JavadocExternalLocationProvider.kt
+++ b/plugins/base/src/main/kotlin/resolvers/external/javadoc/JavadocExternalLocationProvider.kt
@@ -2,8 +2,7 @@ package org.jetbrains.dokka.base.resolvers.external.javadoc
 
 import org.jetbrains.dokka.base.resolvers.external.DefaultExternalLocationProvider
 import org.jetbrains.dokka.base.resolvers.shared.ExternalDocumentation
-import org.jetbrains.dokka.links.Callable
-import org.jetbrains.dokka.links.DRI
+import org.jetbrains.dokka.links.*
 import org.jetbrains.dokka.plugability.DokkaContext
 import org.jetbrains.dokka.utilities.htmlEscape
 
@@ -30,8 +29,21 @@ open class JavadocExternalLocationProvider(
         if (classNames == null) {
             return "$docWithModule$packageLink/package-summary$extension".htmlEscape()
         }
-        val classLink =
-                if (packageLink == null) "${classNames}$extension" else "$packageLink/${classNames}$extension"
+
+        // in Kotlin DRI of enum entry is not callable
+        if (DRIExtraContainer(extra)[EnumEntryDRIExtra] != null) {
+            val (classSplit, enumEntityAnchor) = if (callable == null) {
+                val lastIndex = classNames?.lastIndexOf(".") ?: 0
+                classNames?.substring(0, lastIndex) to classNames?.substring(lastIndex + 1)
+            } else
+                classNames to callable?.name
+
+            val classLink =
+                if (packageLink == null) "${classSplit}$extension" else "$packageLink/${classSplit}$extension"
+            return "$docWithModule$classLink#$enumEntityAnchor".htmlEscape()
+        }
+
+        val classLink = if (packageLink == null) "${classNames}$extension" else "$packageLink/${classNames}$extension"
         val callableChecked = callable ?: return "$docWithModule$classLink".htmlEscape()
 
         return ("$docWithModule$classLink#" + anchorPart(callableChecked)).htmlEscape()