4 files changed, 15 insertions, 8 deletions
diff --git a/core/src/main/kotlin/renderers/DefaultRenderer.kt b/core/src/main/kotlin/renderers/DefaultRenderer.kt
index e2ebf8b3..8f6c6635 100644
--- a/core/src/main/kotlin/renderers/DefaultRenderer.kt
+++ b/core/src/main/kotlin/renderers/DefaultRenderer.kt
@@ -5,7 +5,7 @@ import org.jetbrains.dokka.plugability.DokkaContext
 import org.jetbrains.dokka.resolvers.LocationProvider
 
 abstract class DefaultRenderer<T>(
-    protected val fileWriter: FileWriter,
+    protected val writer: Writer,
     protected val locationProvider: LocationProvider,
     protected val context: DokkaContext
 ) : Renderer {
@@ -64,7 +64,7 @@ abstract class DefaultRenderer<T>(
     }
 
     protected open fun renderPage(page: PageNode) =
-        fileWriter.write(locationProvider.resolve(page), buildPage(page, ::buildPageContent), "")
+        writer.write(locationProvider.resolve(page), buildPage(page, ::buildPageContent), "")
 
     protected open fun renderPages(root: PageNode) {
         renderPage(root)
@@ -77,7 +77,7 @@ abstract class DefaultRenderer<T>(
         getPackageNamesAndPlatforms(root)
             .keys
             .joinToString("\n")
-            .also { fileWriter.write("${root.name}/package-list", it, "") }
+            .also { writer.write("${root.name}/package-list", it, "") }
 
     protected open fun getPackageNamesAndPlatforms(root: PageNode): Map<String, List<PlatformData>> =
         root.children
diff --git a/core/src/main/kotlin/renderers/FileWriter.kt b/core/src/main/kotlin/renderers/FileWriter.kt
index 9ee02b4b..c9785dfd 100644
--- a/core/src/main/kotlin/renderers/FileWriter.kt
+++ b/core/src/main/kotlin/renderers/FileWriter.kt
@@ -4,10 +4,10 @@ import java.io.File
 import java.io.IOException
 import java.nio.file.Paths
 
-class FileWriter(val root: String, val extension: String){
+class FileWriter(override val root: String, override val extension: String) : Writer {
     private val createdFiles: MutableSet<String> = mutableSetOf()
 
-    fun write(path: String, text: String, ext: String = extension){
+    override fun write(path: String, text: String, ext: String){
         if (createdFiles.contains(path)) {
             println("ERROR. An attempt to write $root/$path several times!")
             return
diff --git a/core/src/main/kotlin/renderers/HtmlRenderer.kt b/core/src/main/kotlin/renderers/HtmlRenderer.kt
index 2c450ae5..2bb07666 100644
--- a/core/src/main/kotlin/renderers/HtmlRenderer.kt
+++ b/core/src/main/kotlin/renderers/HtmlRenderer.kt
@@ -9,10 +9,10 @@ import java.io.File
 import java.net.URL
 
 open class HtmlRenderer(
-    fileWriter: FileWriter,
+    writer: Writer,
     locationProvider: LocationProvider,
     context: DokkaContext
-) : DefaultRenderer<FlowContent>(fileWriter, locationProvider, context) {
+) : DefaultRenderer<FlowContent>(writer, locationProvider, context) {
 
     override fun FlowContent.buildList(node: ContentList, pageContext: PageNode) =
         if (node.ordered) ol {
@@ -121,7 +121,7 @@ open class HtmlRenderer(
     }
 
     override fun buildSupportFiles() { // TODO copy file instead of reading
-        fileWriter.write(
+        writer.write(
             "style.css",
             javaClass.getResourceAsStream("/dokka/styles/style.css").reader().readText()
         )
diff --git a/core/src/main/kotlin/renderers/Writer.kt b/core/src/main/kotlin/renderers/Writer.kt
new file mode 100644
index 00000000..ead281fe
--- /dev/null
+++ b/core/src/main/kotlin/renderers/Writer.kt
@@ -0,0 +1,7 @@
+package org.jetbrains.dokka.renderers
+
+interface Writer {
+    val root: String
+    val extension: String
+    fun write(path: String, text: String, ext: String = extension)
+}
+\ No newline at end of file