| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| import {Injectable} from '@angular/core'; |
| import {HttpEvent, HttpHandler, HttpInterceptor, HttpRequest} from '@angular/common/http'; |
| |
| import {Observable} from 'rxjs'; |
| |
| @Injectable() |
| export class NoCacheInterceptor implements HttpInterceptor { |
| private addNoCacheToUrl(url: string) { |
| const separator = url.indexOf('?') === -1 ? '?' : '&'; |
| return url + separator + 'noCache=' + new Date().getTime(); |
| } |
| |
| intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> { |
| const apiReq = req.clone({ url: this.addNoCacheToUrl(req.url) }); |
| return next.handle(apiReq); |
| } |
| } |