{
  "id": "schema.json#",
  "$schema": "http://json-schema.org/draft-04/schema#",
  "version": "1.0.0",
  "description": "schema for ADIwg mdJSON metadata",
  "type": "object",
  "required": ["version", "contact", "metadata"],
  "properties": {
    "version": {
      "type": "object",
      "description": "Identifies the version of the JSON schema standard that applies to the metadata.",
      "example": "../examples/full_example.json#/version",
      "required": ["name", "version"],
      "additionalProperties": true,
      "properties": {
        "name": {
          "type": "string",
          "example": "../examples/full_example.json#/version",
          "description": "Schema identifier, i.e. the name of the schema standard."
        },
        "version": {
          "type": "string",
          "example": "../examples/full_example.json#/version",
          "description": "Specific version number of the schema standard.",
          "pattern": "[0-9]\\.[0-9]\\.[0-9]"
        }
      }
    },
    "contact": {
      "$ref": "schema/contact.json"
    },
    "metadata": {
      "$ref": "schema/metadata.json"
    },
    "dataDictionary": {
      "type": "array",
      "example": "../examples/full_example.json#/dataDictionary",
      "items": {
        "$ref": "schema/dataDictionary.json"
      }
    }
  },
  "definitions": {
    "url": {
      "type": "string",
      "pattern": "(https?|ftp):\\/\\/(-\\.)?([^\\s\\/?\\.#-]+\\.?)+(\\/[^\\s]*)?$"
    },
    "uri": {
      "type": "string",
      "description": "Location (address) for on-line access using a Uniform Resource Identifier, usually in the form of a Uniform Resource Locator (URL).",
      "example": "../examples/uri.json",
      "translation": {
        "ISO 19115-2": ["CI_OnlineResource > linkage"]
      },
      "pattern": "([A-Za-z][A-Za-z0-9+\\-.]*):(?:(//)(?:((?:[A-Za-z0-9\\-._~!$&'()*+,;=:]|%[0-9A-Fa-f]{2})*)@)?((?:\\[(?:(?:(?:(?:[0-9A-Fa-f]{1,4}:){6}|::(?:[0-9A-Fa-f]{1,4}:){5}|(?:[0-9A-Fa-f]{1,4})?::(?:[0-9A-Fa-f]{1,4}:){4}|(?:(?:[0-9A-Fa-f]{1,4}:){0,1}[0-9A-Fa-f]{1,4})?::(?:[0-9A-Fa-f]{1,4}:){3}|(?:(?:[0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})?::(?:[0-9A-Fa-f]{1,4}:){2}|(?:(?:[0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})?::[0-9A-Fa-f]{1,4}:|(?:(?:[0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})?::)(?:[0-9A-Fa-f]{1,4}:[0-9A-Fa-f]{1,4}|(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))|(?:(?:[0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})?::[0-9A-Fa-f]{1,4}|(?:(?:[0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})?::)|[Vv][0-9A-Fa-f]+\\.[A-Za-z0-9\\-._~!$&'()*+,;=:]+)\\]|(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)|(?:[A-Za-z0-9\\-._~!$&'()*+,;=]|%[0-9A-Fa-f]{2})*))(?::([0-9]*))?((?:/(?:[A-Za-z0-9\\-._~!$&'()*+,;=:@]|%[0-9A-Fa-f]{2})*)*)|/((?:(?:[A-Za-z0-9\\-._~!$&'()*+,;=:@]|%[0-9A-Fa-f]{2})+(?:/(?:[A-Za-z0-9\\-._~!$&'()*+,;=:@]|%[0-9A-Fa-f]{2})*)*)?)|((?:[A-Za-z0-9\\-._~!$&'()*+,;=:@]|%[0-9A-Fa-f]{2})+(?:/(?:[A-Za-z0-9\\-._~!$&'()*+,;=:@]|%[0-9A-Fa-f]{2})*)*)|)(?:\\?((?:[A-Za-z0-9\\-._~!$&'()*+,;=:@/?]|%[0-9A-Fa-f]{2})*))?(?:\\#((?:[A-Za-z0-9\\-._~!$&'()*+,;=:@/?]|%[0-9A-Fa-f]{2})*))?"
    },
    "date": {
      "type": "string",
      "description": "An ISO 8601 date/timestamp.",
      "example": "../examples/date.json",
      "pattern": "^(\\d{4}(-\\d{2})?(-\\d{2})?$)|(^\\d{4}-\\d{2}-\\d{2}(T\\d{2})?(\\:\\d{2}(\\:\\d{2}(\\.\\d+)?)?|Z)?(Z|(-|\\+)\\d{2}(:\\d{2})?)?$)"
    }
  }
}