JsonParser parser = new JsonParser();
parser.parse(new String(Files.readAllBytes(Paths.get((filePath.toString())))));

"file":"hello.htm"},]

ObjectMapper mapper = new ObjectMapper();
mapper.readTree(Files.readAllBytes(Paths.get(filePath.toString())));

for (i in 0 until jsonArray.length()) {
    if (!jsonArray.isNull(i)) {
        // parse here...
    }
}