Add new code new version

Change-Id: Ic02a76313503b526f17c3df29eb387a29fe6a42a
Signed-off-by: Michael Lando <ml636r@att.com>

8 files changed, 802 insertions, 0 deletions

diff --git a/openecomp-ui/src/nfvo-utils/ErrorResponseHandler.js b/openecomp-ui/src/nfvo-utils/ErrorResponseHandler.js
new file mode 100644
index 0000000000..0d27204bef
--- /dev/null
+++ b/openecomp-ui/src/nfvo-utils/ErrorResponseHandler.js
@@ -0,0 +1,72 @@
+/*-
+ * ============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 store from 'sdc-app/AppStore.js';
+import NotificationConstants from 'nfvo-components/notifications/NotificationConstants.js';
+
+function showVariablesInMessage(variables, msg) {
+	let regex;
+	variables.forEach((value, index) => {
+		value = value.replace(';', ',');
+		regex = new RegExp('\'\%' + (index + 1) + '\'');
+		msg = msg.replace(regex, value);
+	});
+	return msg;
+}
+
+function parseATTExceptionObject(responseJSON) {
+	let title, msg;
+	if (responseJSON.requestError && responseJSON.requestError.policyException) {
+		title = 'Error: ' + responseJSON.requestError.policyException.messageId;
+		msg = responseJSON.requestError.policyException.text;
+	}
+	else if (responseJSON.requestError && responseJSON.requestError.serviceException) {
+		title = 'Error: ' + responseJSON.requestError.serviceException.messageId;
+		msg = responseJSON.requestError.serviceException.text;
+		let {variables} = responseJSON.requestError.serviceException;
+		if (variables) {
+			msg = showVariablesInMessage(variables, msg);
+		}
+	}
+	else {
+		title = responseJSON.status;
+		msg = responseJSON.message;
+	}
+	return {title, msg};
+}
+
+var errorResponseHandler = (xhr/*, textStatus, errorThrown*/) => {
+	let errorData;
+	if (xhr.responseJSON) {
+		errorData = parseATTExceptionObject(xhr.responseJSON);
+	}
+	else {
+		errorData = {
+			title: xhr.statusText,
+			msg: xhr.responseText
+		};
+	}
+	store.dispatch({
+		type: NotificationConstants.NOTIFY_ERROR,
+		data: {...errorData}
+	});
+};
+
+export default errorResponseHandler;
diff --git a/openecomp-ui/src/nfvo-utils/KeyMirror.js b/openecomp-ui/src/nfvo-utils/KeyMirror.js
new file mode 100644
index 0000000000..eb50d31e07
--- /dev/null
+++ b/openecomp-ui/src/nfvo-utils/KeyMirror.js
@@ -0,0 +1,44 @@
+/*-
+ * ============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=========================================================
+ */
+
+var keyMirror = function (obj) {
+	var ret = {};
+	var key;
+	var val;
+	if (!(obj instanceof Object && !Array.isArray(obj))) {
+		throw new Error('keyMirror(...): Argument must be an object.');
+	}
+	for (key in obj) {
+		if (obj.hasOwnProperty(key)) {
+			val = obj[key];
+			if (val instanceof Object) {
+				ret[key] = keyMirror(obj[key]);
+			} else if(val !== null && val !== undefined){
+				ret[key] = val;
+			}
+			else {
+				ret[key] = Symbol(key);
+			}
+		}
+	}
+	return Object.freeze(ret);
+};
+
+export default keyMirror;
diff --git a/openecomp-ui/src/nfvo-utils/RestAPIUtil.js b/openecomp-ui/src/nfvo-utils/RestAPIUtil.js
new file mode 100644
index 0000000000..24734739a2
--- /dev/null
+++ b/openecomp-ui/src/nfvo-utils/RestAPIUtil.js
@@ -0,0 +1,288 @@
+/*-
+ * ============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 _extend from 'lodash/extend.js';
+import _clone from 'lodash/clone.js';
+import _defaults from 'lodash/defaults.js';
+import $ from 'jquery';
+import uuid from 'uuid-js';
+import md5 from 'md5';
+
+import store from 'sdc-app/AppStore.js';
+import {actionTypes as LoaderConstants} from 'nfvo-components/loader/LoaderConstants.js';
+import Configuration from 'sdc-app/config/Configuration.js';
+import errorResponseHandler from './ErrorResponseHandler.js';
+
+const methodMap = {
+	'create': 'POST',
+	'update': 'PUT',
+	'delete': 'DELETE',
+	'read': 'GET'
+};
+const AUTHORIZATION_HEADER = 'X-AUTH-TOKEN';
+const STORAGE_AUTH_KEY = 'sdc-auth-token';
+const REQUEST_ID_HEADER = 'X-ECOMP-RequestID';
+const CONTENT_MD5_HEADER = 'Content-MD5';
+const namedParam = /{(\w+)}/g;
+const queryParamsNames = {
+	pageStart: 'pageStart',
+	pageSize: 'pageSize',
+	sortField: 'sortField',
+	sortDir: 'sortDir',
+	filtering: 'filter'
+};
+
+
+// jQuery binary transport to download files through XHR
+// http://www.henryalgus.com/reading-binary-files-using-jquery-ajax/
+// https://github.com/henrya/js-jquery/tree/master/BinaryTransport
+$.ajaxTransport('+binary', function (options/*, originalOptions , jqXHR*/) {
+	// check for conditions and support for blob / arraybuffer response type
+	if (window.FormData && ((options.dataType && (options.dataType === 'binary')) ||
+		(options.data && ((window.ArrayBuffer && options.data instanceof ArrayBuffer) ||
+		(window.Blob && options.data instanceof Blob))))
+	) {
+		return {
+			// create new XMLHttpRequest
+			send: function (headers, callback) {
+				// setup all variables
+				var xhr = new XMLHttpRequest(),
+					url = options.url,
+					type = options.type,
+					async = options.async || true,
+				// blob or arraybuffer. Default is blob
+					dataType = options.responseType || 'blob',
+					data = options.data || null,
+					username = options.username || null,
+					password = options.password || null;
+
+				xhr.addEventListener('load', function () {
+					var data = {};
+					data[options.dataType] = xhr.response;
+					// make callback and send data
+					callback(xhr.status, xhr.statusText, data, xhr.getAllResponseHeaders());
+				});
+
+				xhr.open(type, url, async, username, password);
+
+				// setup custom headers
+				for (var i in headers) {
+					xhr.setRequestHeader(i, headers[i]);
+				}
+
+				xhr.responseType = dataType;
+				xhr.send(data);
+			},
+			abort: function () {
+			}
+		};
+	}
+});
+
+$(document).ajaxStart(()=> store.dispatch({type: LoaderConstants.SHOW}));
+$(document).ajaxStop(()=> store.dispatch({type: LoaderConstants.HIDE}));
+
+function urlError() {
+	throw new Error('A "url" property or function must be specified');
+};
+
+export function makeQueryParams(options) {
+	var qParams = {};
+	if (options.pagination) {
+		qParams[queryParamsNames.pageStart] = options.pagination.pageStart;
+		qParams[queryParamsNames.pageSize] = options.pagination.pageSize;
+	}
+	if (options.sorting) {
+		qParams[queryParamsNames.sortField] = options.sorting.sortField;
+		qParams[queryParamsNames.sortDir] = options.sorting.sortDir;
+	}
+	if (options.filtering) {
+		qParams[queryParamsNames.filtering] = JSON.stringify(options.filtering);
+	}
+
+	return _defaults(qParams, options.qParams);
+}
+
+function appendQueryParam(p, value) {
+	var str = '';
+
+	if (value instanceof Array) {
+		if (value.length === 1) {
+			str = appendQueryParam(p, value[0]);
+		} else if (value.length > 1) {
+			str = appendQueryParam(p, value.shift()) + '&' + appendQueryParam(p, value);
+		}
+	} else {
+		str = p + '=' + encodeURIComponent(value);
+	}
+
+	return str;
+}
+
+function appendQueryString(url, qParams) {
+	var str = '';
+	for (var param in qParams) {
+		str += (str ? '&' : '') + appendQueryParam(param, qParams[param]);
+	}
+	return url + (str ? '?' : '') + str;
+}
+
+function composeURL(baseUrl, options) {
+	var url = baseUrl || urlError();
+	if (options.url) {
+		delete options.url;
+	}
+
+	var qParams = makeQueryParams(options);
+	url = appendQueryString(url, qParams);
+
+	var matches = url.match(namedParam);
+	if (matches) {
+		for (var i = 0; i < matches.length; i++) {
+			var param = matches[i].substring(1, matches[i].length - 1);
+			var value = (options.params && options.params[param]);
+
+			if (value === undefined) {
+				value = options[param];
+			}
+			url = url.replace(matches[i], encodeURIComponent(value));
+		}
+	}
+
+	return url;
+}
+
+function applyMD5Header(options, data) {
+	if (options.md5) {
+		let headers = options.headers;
+		headers[CONTENT_MD5_HEADER] = window.btoa(md5(JSON.stringify(data)).toLowerCase());
+	}
+}
+
+function applySecurity(options, data) {
+	var headers = options.headers || (options.headers = {});
+
+	var authToken = localStorage.getItem(STORAGE_AUTH_KEY);
+	if (authToken) {
+		headers[AUTHORIZATION_HEADER] = authToken;
+	}
+
+	var attApiHeaders = Configuration.get('ATTApiHeaders'),
+		attUidHeader = attApiHeaders && attApiHeaders.userId;
+	if (attUidHeader) {
+		headers[attUidHeader.name] = attUidHeader.value;
+	}
+
+	headers[REQUEST_ID_HEADER] = uuid.create().toString();
+
+	applyMD5Header(options, data);
+}
+
+function handleResponse(options) {
+	var authToken = options.xhr.getResponseHeader(AUTHORIZATION_HEADER);
+	var prevToken = options.headers && options.headers[AUTHORIZATION_HEADER];
+	if (authToken && authToken !== prevToken) {
+		if (authToken === 'null') {
+			localStorage.removeItem(STORAGE_AUTH_KEY);
+		} else {
+			localStorage.setItem(STORAGE_AUTH_KEY, authToken);
+		}
+	}
+}
+
+function sync(baseUrl, method, options, data) {
+
+	options = options ? _clone(options) : {};
+
+	var type = methodMap[method];
+	_defaults(options || (options = {}));
+	var params = {
+		type: type,
+		dataType: 'json'
+	};
+	params.url = composeURL(baseUrl, options);
+
+	if ((method === 'create' || method === 'update') && data instanceof FormData) {
+		params.contentType = 'multipart/form-data';
+		params.data = data;
+	}
+	else if (method === 'create' || method === 'update') {
+		params.contentType = 'application/json';
+		params.data = JSON.stringify(data);
+	}
+
+	if (params.type !== 'GET') {
+		params.processData = false;
+	}
+	var success = options.success;
+	options.success = function (resp) {
+		if (success) {
+			handleResponse(options);
+			success.call(options.context, _clone(resp), resp, options);
+		}
+	};
+
+	options.error = options.error || errorResponseHandler;
+
+	if (typeof options.progressCallback === 'function' && options.fileSize) {
+		const {fileSize} = options;
+		options.xhrFields = {
+			// add listener to XMLHTTPRequest object directly for progress (jquery doesn't have this yet)
+			onprogress: function (progress) {
+				// calculate upload progress
+				let percentage = Math.floor((progress.loaded / fileSize) * 100);
+				// log upload progress to console
+				//console.log('progress', percentage);
+				options.progressCallback(percentage);
+				if (percentage === 100) {
+					console.log('DONE!');
+				}
+			}
+		};
+	}
+
+	applySecurity(options, data);
+
+	if (DEBUG) {
+		console.log('--> Making REST call (' + type + '): ' + params.url);
+	}
+	var xhr = options.xhr = $.ajax(_extend(params, options));
+	return xhr;
+}
+
+export default {
+
+	fetch(baseUrl, options) {
+		return sync(baseUrl, 'read', options);
+	},
+
+	save(baseUrl, data, options) {
+		return sync(baseUrl, 'update', options, data);
+	},
+
+	create(baseUrl, data, options) {
+		return sync(baseUrl, 'create', options, data);
+	},
+
+	destroy(baseUrl, options) {
+		return sync(baseUrl, 'delete', options);
+	}
+
+};
diff --git a/openecomp-ui/src/nfvo-utils/UUID.js b/openecomp-ui/src/nfvo-utils/UUID.js
new file mode 100644
index 0000000000..314c98ba6f
--- /dev/null
+++ b/openecomp-ui/src/nfvo-utils/UUID.js
@@ -0,0 +1,58 @@
+/*-
+ * ============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 UUID from 'uuid-js';
+
+let toCustomUUID = (uuid) => {
+	return 'U' + uuid.replace(/-/g, '');
+};
+
+let getUUID = function(num, isSync) {
+	if (isSync) {
+		let uuid;
+		if (!num) {
+			uuid = toCustomUUID(UUID.create().toString());
+		} else {
+			uuid = [];
+			for (var i = 0; i < num; i++) {
+				uuid[i] = toCustomUUID(UUID.create().toString());
+			}
+		}
+		if (num === 1) {
+			return uuid[0];
+		} else {
+			return uuid;
+		}
+	}
+	return new Promise(resolve => {
+		let uuid;
+		if (!num) {
+			uuid = toCustomUUID(UUID.create().toString());
+		} else {
+			uuid = [];
+			for (var i = 0; i < num; i++) {
+				uuid[i] = toCustomUUID(UUID.create().toString());
+			}
+		}
+		setTimeout(() => resolve(uuid), 100);
+	});
+};
+
+export default getUUID;
diff --git a/openecomp-ui/src/nfvo-utils/i18n/i18n.js b/openecomp-ui/src/nfvo-utils/i18n/i18n.js
new file mode 100644
index 0000000000..64587713b7
--- /dev/null
+++ b/openecomp-ui/src/nfvo-utils/i18n/i18n.js
@@ -0,0 +1,122 @@
+/*-
+ * ============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 IntlObj from 'intl';
+import IntlMessageFormatObj from 'intl-messageformat';
+import IntlRelativeFormatObj from 'intl-relativeformat';
+import createFormatCacheObj from 'intl-format-cache';
+import i18nJson from 'i18nJson';
+
+/*
+	Intl libs are using out dated transpailer from ecmascript6.
+*  TODO: As soon as they fix it, remove this assignments!!!
+* */
+var Intl               = window.Intl || IntlObj.default,
+	IntlMessageFormat  = IntlMessageFormatObj.default,
+	IntlRelativeFormat = IntlRelativeFormatObj.default,
+	createFormatCache  = createFormatCacheObj.default;
+
+var i18nData;
+
+if(i18nJson) {
+	i18nData = i18nJson.dataWrapperArr[i18nJson.i18nDataIdx];
+}
+
+
+/*extract locale*/
+var _locale = window.localStorage && localStorage.getItem('user_locale');
+if(!_locale) {
+	if(window.navigator) {
+		_locale = navigator.language || navigator.userLanguage;
+
+		//For now removing the dashes from the language.
+		let indexOfDash = _locale.indexOf('-');
+		if(-1 !== indexOfDash) {
+			_locale = _locale.substr(0, indexOfDash);
+		}
+	}
+	if(!_locale) {
+		_locale = 'en';
+	}
+}
+
+var _localeUpper = _locale.toUpperCase();
+
+var i18n = {
+
+	_locale: _locale,
+	_localeUpper: _localeUpper,
+	_i18nData: i18nData || {},
+
+	number(num) {
+		return createFormatCache(Intl.NumberFormat)(this._locale).format(num);
+	},
+
+	date(date, options, relativeDates) {
+		if (undefined === relativeDates || relativeDates) {
+			return this.dateRelative(date, options);
+		} else {
+			return this.dateNormal(date, options);
+		}
+	},
+
+	dateNormal(date, options) {
+		return createFormatCache(Intl.DateTimeFormat)(this._locale, options).format(date);
+	},
+
+	dateRelative(date, options) {
+		return createFormatCache(IntlRelativeFormat)(this._locale, options).format(date);
+	},
+
+	message(messageId, options) {
+		return createFormatCache(IntlMessageFormat)(this._i18nData[messageId] || String(messageId), this._locale).format(options);
+	},
+
+	getLocale() {
+		return this._locale;
+	},
+
+	getLocaleUpper() {
+		return this._localeUpper;
+	},
+
+	setLocale(locale) {
+		localStorage.setItem('user_locale', locale);
+		window.location.reload();
+	}
+
+};
+
+function i18nWrapper() {
+	return i18nWrapper.message.apply(i18nWrapper, arguments);
+}
+
+/*replace with some kind of extend method*/
+var prop, propKey;
+for (propKey in i18n) {
+	prop = i18n[propKey];
+	if (typeof prop === 'function') {
+		prop = prop.bind(i18nWrapper);
+	}
+	i18nWrapper[propKey] = prop;
+}
+
+
+export default i18nWrapper;
diff --git a/openecomp-ui/src/nfvo-utils/i18n/locale.json b/openecomp-ui/src/nfvo-utils/i18n/locale.json
new file mode 100644
index 0000000000..d9047ba582
--- /dev/null
+++ b/openecomp-ui/src/nfvo-utils/i18n/locale.json
@@ -0,0 +1 @@
+{"dataWrapperArr":["I18N_IDENTIFIER_START",{},"I18N_IDENTIFIER_END"],"i18nDataIdx":1}
\ No newline at end of file
diff --git a/openecomp-ui/src/nfvo-utils/json/JSONPointer.js b/openecomp-ui/src/nfvo-utils/json/JSONPointer.js
new file mode 100644
index 0000000000..a6e8198537
--- /dev/null
+++ b/openecomp-ui/src/nfvo-utils/json/JSONPointer.js
@@ -0,0 +1,62 @@
+/*-
+ * ============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=========================================================
+ */
+
+const JSONPointer = {
+
+	extractParentPointer(pointer) {
+		return pointer.replace(/\/[^\/]+$/, '');
+	},
+
+	extractLastPart(pointer) {
+		const [,lastPart] = pointer.match(/\/([^\/]+)$/) || [];
+		return lastPart;
+	},
+
+	extractParts(pointer) {
+		return pointer.split('/').slice(1)
+			.map(part => part.replace(/~1/g, '/'))
+			.map(part => part.replace(/~0/g, '~'));
+	},
+
+	getValue(object, pointer) {
+		let parts = JSONPointer.extractParts(pointer);
+		return parts.reduce((object, part) => object && object[part], object);
+	},
+
+	setValue(object, pointer, value) {
+		let clone = obj => Array.isArray(obj) ? [...obj] : {...obj};
+
+		let parts = JSONPointer.extractParts(pointer),
+			newObject = clone(object),
+			subObject = object,
+			subNewObject = newObject;
+
+		for(let i = 0, n = parts.length - 1; i < n; ++i) {
+			let nextSubObject = subObject && subObject[parts[i]];
+			subNewObject = subNewObject[parts[i]] = nextSubObject ? clone(nextSubObject) : {};
+			subObject = nextSubObject;
+		}
+		subNewObject[parts[parts.length - 1]] = value;
+
+		return newObject;
+	}
+};
+
+export default JSONPointer;
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;
+	}
+};