Merge pull request #397 from project-open-data/json-schema-update

First implementation of v1.1 JSON Schema for #385

Author: jlberryhill

Diff for: v1.1/metadata-resources.md

@@ -21,7 +21,7 @@ In addition to template and sample files we also produce Project Open Data Metad
 
 ### JSON Schema Files ###
 
-* 1.1 Schema (Draft): [Dataset](/v1.1/schema/dataset.json) and [Catalog](/v1.1/schema/catalog.json)
+* [1.1 Schema](/v1.1/schema/catalog.json) (Draft). The [Catalog](/v1.1/schema/catalog.json) schema includes by reference the [Dataset](/v1.1/schema/dataset.json), [Distribution](/v1.1/schema/distribution.json), [Organization](/v1.1/schema/organization.json), and [vCard](/v1.1/schema/vcard.json) schemas. 
 
 ### JSON-LD Context ###
 

Diff for: v1.1/schema/catalog.json

@@ -0,0 +1,58 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "id": "https://project-open-data.cio.gov/v1.1/schema/catalog.json#",
+  "title": "Project Open Data Catalog",
+  "description": "Validates an entire collection of Project Open Data metadata JSON objects. Agencies produce said collections in the form of Data.json files.",
+  "type": "object",
+  "dependencies": {
+    "@type": [
+      "@context"
+    ]
+  },
+  "required": [
+    "conformsTo",
+    "dataset"
+  ],
+  "properties": {
+    "@context": {
+      "title": "Metadata Context",
+      "description": "URL or JSON object for the JSON-LD Context that defines the schema used",
+      "type": "string",
+      "format": "uri"
+    },
+    "@id": {
+      "title": "Metadata Catalog ID",
+      "description": "IRI for the JSON-LD Node Identifier of the Catalog. This should be the URL of the data.json file itself.",
+      "type": "string",
+      "format": "uri"
+    },
+    "@type": {
+      "title": "Metadata Context",
+      "description": "IRI for the JSON-LD data type. This should be dcat:Catalog for the Catalog",
+      "enum": [
+        "dcat:Catalog"
+      ]
+    },
+    "conformsTo": {
+      "description": "Version of Schema",
+      "title": "Version of Schema",
+      "enum": [
+        "https://project-open-data.cio.gov/v1.1/schema"
+      ]
+    },
+    "describedBy": {
+      "description": "URL for the JSON Schema file that defines the schema used",
+      "title": "Data Dictionary",
+      "type": "string",
+      "format": "uri"
+    },
+    "dataset": {
+      "type": "array",
+      "items": {
+        "$ref": "dataset.json",
+        "minItems": 1,
+        "uniqueItems": true
+      }
+    }
+  }
+}