json_schema/example/from_json/movie_sample.dart

#!/usr/bin/env dart
// Copyright 2013-2018 Workiva Inc.
//
// Licensed under the Boost Software License (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.boost.org/LICENSE_1_0.txt
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// This software or document includes material copied from or derived
// from JSON-Schema-Test-Suite (https://github.com/json-schema-org/JSON-Schema-Test-Suite),
// Copyright (c) 2012 Julian Berman, which is licensed under the following terms:
//
//     Copyright (c) 2012 Julian Berman
//
//     Permission is hereby granted, free of charge, to any person obtaining a copy
//     of this software and associated documentation files (the "Software"), to deal
//     in the Software without restriction, including without limitation the rights
//     to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//     copies of the Software, and to permit persons to whom the Software is
//     furnished to do so, subject to the following conditions:
//
//     The above copyright notice and this permission notice shall be included in
//     all copies or substantial portions of the Software.
//
//     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//     AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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//     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//     THE SOFTWARE.

import "package:json_schema/json_schema.dart";
import "package:logging/logging.dart";

main() {
  Logger.root.onRecord.listen((LogRecord rec) {
    print('${rec.level.name}: ${rec.time}: ${rec.message}');
  });
  Logger.root.level = Level.SHOUT;

  //////////////////////////////////////////////////////////////////////
  // Define schema in code
  //////////////////////////////////////////////////////////////////////
  var movieSchema = {
    "title": "movie data",
    "additionalProperties": false,
    "required": ["movies"],
    "properties": {
      "movies": {r"$ref": "#/definitions/movie_map"}
    },
    "definitions": {
      "movie": {
        "additionalProperties": false,
        "required": ["title", "year_made", "rating"],
        "properties": {
          "title": {"type": "string"},
          "year_made": {"type": "integer"},
          "rating": {"type": "integer"}
        }
      },
      "movie_map": {
        "type": "object",
        "additionalProperties": {r"$ref": "#/definitions/movie"},
        "default": {}
      }
    }
  };

  var movies = {
    "movies": {
      "the mission": {"title": "The Mission", "year_made": 1986, "rating": 5},
      "troll 2": {"title": "Troll 2", "year_made": 1990, "rating": 2}
    }
  };

  Schema.createSchema(movieSchema).then((schema) {
    var validator = new Validator(schema);
    bool validates = validator.validate(movies);
    if (!validates) {
      print("Errors: ${validator.errors}");
    } else {
      print('$movies:\nvalidates!');
    }
  });
}