Updated on 2026-08-14

core/datasource/src/main/java/com/tangem/datasource/asset/AndroidAssetReader.kt

@@ -3,6 +3,7 @@ package com.tangem.datasource.asset
 import android.content.Context
 import dagger.hilt.android.qualifiers.ApplicationContext
 import java.io.BufferedReader
+import java.io.InputStream
 import javax.inject.Inject
 
 /**
@@ -15,9 +16,13 @@ internal class AndroidAssetReader @Inject constructor(
 ) : AssetReader {
 
     override fun readJson(fileName: String): String {
-        return context.assets
-            .open("$fileName.json")
+        return openFile("$fileName.json")
             .bufferedReader()
             .use(BufferedReader::readText)
     }
+
+    override fun openFile(fileName: String): InputStream {
+        return context.assets
+            .open(fileName)
+    }
 }

core/datasource/src/main/java/com/tangem/datasource/asset/AssetReader.kt

@@ -1,5 +1,7 @@
 package com.tangem.datasource.asset
 
+import java.io.InputStream
+
 /**
  * Asset file reader
  *
@@ -7,6 +9,13 @@ package com.tangem.datasource.asset
  */
 interface AssetReader {
 
-    /** Read content of json file [fileName] from asset */
+    /** Read content of json file from asset
+     * @param fileName - name of the file
+     * */
     fun readJson(fileName: String): String
+
+    /** Read content of a file [file] from asset as InputStream
+     * @param file - name of the file with extension
+     * */
+    fun openFile(file: String): InputStream
 }