Add custom gson adapter

Author: TheMeinerLP

src/main/kotlin/net/onelitefeather/plugindebug/DebugFileAdapter.kt

@@ -0,0 +1,27 @@
+package net.onelitefeather.plugindebug
+
+import com.google.gson.TypeAdapter
+import com.google.gson.stream.JsonReader
+import com.google.gson.stream.JsonWriter
+import java.nio.file.Paths
+import kotlin.io.path.name
+
+internal class DebugFileAdapter : TypeAdapter<DebugFile>() {
+    override fun write(out: JsonWriter, value: DebugFile) {
+        out
+            .beginObject()
+            .name("filePath").value(value.filePath.name)
+            .name("fileType").value(value.fileType.name)
+            .name("uiTabName").value(value.uiTabName)
+            .endObject()
+    }
+
+    override fun read(`in`: JsonReader): DebugFile {
+        `in`.beginObject()
+        val filePath = `in`.nextString()
+        val fileType = FileType.valueOf(`in`.nextString())
+        val uiTabName = `in`.nextString()
+        `in`.endObject()
+        return DebugFile(Paths.get(filePath), fileType, uiTabName)
+    }
+}