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Author: Mattia Bertorello

arduino-core/src/cc/arduino/utils/network/FileDownloaderCache.java

@@ -173,8 +173,10 @@ private static void updateCacheFilesInfo() throws IOException {
     if (cachedFiles != null) {
       synchronized (cachedFiles) {
         ObjectMapper mapper = new ObjectMapper();
+        // Generate a pretty json
         mapper.enable(SerializationFeature.INDENT_OUTPUT);
         final ObjectNode objectNode = mapper.createObjectNode();
+        // Generate a json {"files":[...{files_info}...]}
         objectNode.putArray("files").addAll(
           cachedFiles.values().stream()
             .map((v) -> mapper.convertValue(v, JsonNode.class))
@@ -184,6 +186,7 @@ private static void updateCacheFilesInfo() throws IOException {
         if (Files.notExists(cachedFileInfo)) {
           Files.createDirectories(cachedFileInfo.getParent());
         }
+        // Write to cache.json
         mapper.writeValue(cachedFileInfo.toFile(), objectNode);
       }
     }