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-rw-r--r--openecomp-ui/src/nfvo-utils/json/JSONSchema.js155
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;
+ }
+};