Folder2Json

java -jar folder2json.jar <путь_к_папке> <путь_к_JSON_файлу>

Пример:
java -jar folder2json.jar E:\WorkSpace\Tools\Folder2Json\example E:\WorkSpace\Tools\Folder2Json\example\result.json

{
  "rootFolderName": "example",
  "allFileInfoList": [
    {
      "name": "c.xml",
      "size": 0,
      "path": "example/A/C/c.xml"
    },
    {
      "name": "a.txt",
      "size": 0,
      "path": "example/A/C/D/F/a.txt"
    },
    {
      "name": "b.png",
      "size": 0,
      "path": "example/A/C/E/b.png"
    },
    {
      "name": "d.jpg",
      "size": 0,
      "path": "example/B/d.jpg"
    },
    {
      "name": "result.json",
      "size": 327,
      "path": "example/result.json"
    }
  ]
}