Work-in-progress JSON production from marketplace registry (example).

registry.json

{"marketplace":{
  "categories":[
    {"id":"local.27","name":"News","creatorId":"system","description":"News Portlets"},
    {"id":"local.22","name":"Entertainment","creatorId":"system","description":"Entertainment Portlets"},
    {"id":"local.19","name":"Academics","creatorId":"system","description":"Academic Portlets"},
    {"id":"local.25","name":"Instructors","creatorId":"system","description":"Instructor Portlets"},
    {"id":"local.14","name":"Information","creatorId":"system","description":"Informational Portlets"}],
  "portlets":[
    {"screenShots":[],"shortURL":null,"name":"Movies.com New This Week in Theaters","title":"Movies.com New This Week in Theaters","description":"New movies opening this week from Movies.com","fname":"new-movies","lifecycleState":"PUBLISHED","rating":null,"usersRated":0,"portletReleaseNotes":{"releaseDate":null,"releaseNotes":null},"parentCategoryNames":["Entertainment"]},
    {"screenShots":[],"shortURL":null,"name":"The Chronicle: Wired Campus","title":"The Chronicle: Wired Campus","description":"Top stories from The Chronicle of Higher Education: Wired Campus Edition","fname":"chronicle-wired","lifecycleState":"PUBLISHED","rating":null,"usersRated":0,"portletReleaseNotes":{"releaseDate":null,"releaseNotes":null},"parentCategoryNames":["Entertainment","News"]},
    {"screenShots":[],"shortURL":null,"name":"Campus News","title":"Campus News","description":"Campus News","fname":"campus-news","lifecycleState":"PUBLISHED","rating":null,"usersRated":0,"portletReleaseNotes":{"releaseDate":null,"releaseNotes":null},"parentCategoryNames":["News"]}
    ]
}
  
}