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[sdc.git] / openecomp-ui / src / nfvo-utils / json / JSONSchema.js

diff --git a/openecomp-ui/src/nfvo-utils/json/JSONSchema.js b/openecomp-ui/src/nfvo-utils/json/JSONSchema.js
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+++ 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;
+       }
+};