1 files changed, 155 insertions, 0 deletions
diff --git a/openecomp-ui/src/nfvo-utils/json/JSONSchema.js b/openecomp-ui/src/nfvo-utils/json/JSONSchema.js
new file mode 100644
index 0000000000..8c7d8cf9aa
--- /dev/null
+++ b/openecomp-ui/src/nfvo-utils/json/JSONSchema.js
@@ -0,0 +1,155 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ * 
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+// import Ajv from 'ajv';
+import cloneDeep from 'lodash/cloneDeep.js';
+import JSONPointer from './JSONPointer.js';
+
+export default class JSONSchema {
+
+	setSchema(schema) {
+		this._schema = schema;
+		this._fragmentsCache = new Map();
+		// this._ajv = new Ajv({
+		// 	useDefaults: true,
+		// 	coerceTypes: true
+		// });
+		// this._validate = this._ajv.compile(schema);
+	}
+
+	processData(data) {
+		data = cloneDeep(data);
+		// this._validate(data);
+		return data;
+	}
+
+	getTitle(pointer) {
+		return this._getSchemaFragment(pointer).title;
+	}
+
+	exists(pointer) {
+		const fragment = this._getSchemaFragment(pointer);
+		return !!fragment;
+	}
+
+	getDefault(pointer) {
+		const fragment = this._getSchemaFragment(pointer);
+		return fragment && fragment.default;
+	}
+
+	getEnum(pointer) {
+		const fragment = this._getSchemaFragment(pointer);
+		return fragment && (fragment.type === 'array' ? fragment.items.enum : fragment.enum);
+	}
+
+	isRequired(pointer) {
+		const parentPointer = JSONPointer.extractParentPointer(pointer);
+		const lastPart = JSONPointer.extractLastPart(pointer);
+		let parentFragment = this._getSchemaFragment(parentPointer);
+		return parentFragment && parentFragment.required && parentFragment.required.includes(lastPart);
+	}
+
+	isNumber(pointer) {
+		const fragment = this._getSchemaFragment(pointer);
+		return fragment && fragment.type === 'number';
+	}
+
+	getMaxValue(pointer) {
+		const fragment = this._getSchemaFragment(pointer);
+		return fragment && fragment.maximum;
+	}
+
+	getMinValue(pointer) {
+		const fragment = this._getSchemaFragment(pointer);
+		return fragment && fragment.minimum;
+	}
+
+	isString(pointer) {
+		const fragment = this._getSchemaFragment(pointer);
+		return fragment && fragment.type === 'string';
+	}
+
+	getPattern(pointer) {
+		const fragment = this._getSchemaFragment(pointer);
+		return fragment && fragment.pattern;
+	}
+
+	getMaxLength(pointer) {
+		const fragment = this._getSchemaFragment(pointer);
+		return fragment && fragment.maxLength;
+	}
+
+	getMinLength(pointer) {
+		const fragment = this._getSchemaFragment(pointer);
+		return fragment && fragment.minLength;
+	}
+
+	isArray(pointer) {
+		const fragment = this._getSchemaFragment(pointer);
+		return fragment && fragment.type === 'array';
+	}
+
+	_getSchemaFragment(pointer) {
+		if (this._fragmentsCache.has(pointer)) {
+			return this._fragmentsCache.get(pointer);
+		}
+
+		let parts = JSONPointer.extractParts(pointer);
+
+		let fragment = parts.reduce((fragment, part) => {
+			if (fragment === undefined) {
+				return undefined;
+			}
+
+			if (fragment.$ref) {
+				fragment = this._getSchemaFragmentByRef(fragment.$ref);
+			}
+
+			switch (fragment.type) {
+				case 'object':
+					return fragment.properties && fragment.properties[part];
+
+				case 'array':
+					return fragment.enum && fragment.enum[part];
+
+				default:
+					// throw new Error(`Incorrect/unsupported JSONPointer "${pointer}" from "${part}"`);
+					return undefined;
+			}
+		}, this._schema);
+
+		while(fragment && fragment.$ref) {
+			fragment = this._getSchemaFragmentByRef(fragment.$ref);
+		}
+
+		this._fragmentsCache.set(pointer, fragment);
+		return fragment;
+	}
+
+	_getSchemaFragmentByRef($ref) {
+		let pointer = $ref.substr(1);
+		return JSONPointer.getValue(this._schema, pointer);
+		// let fragmentAjv = new Ajv();
+		// fragmentAjv.addSchema(this._schema);
+		// let compiledFragment = fragmentAjv.compile({$ref});
+		// let fragment = compiledFragment.refVal[compiledFragment.refs[$ref]];
+		// return fragment;
+	}
+};