| /* |
| * 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 {HttpClient, HttpHeaders} from '@angular/common/http'; |
| |
| import 'rxjs/add/operator/toPromise'; |
| |
| import {GatewayVersion} from './gateway-version'; |
| |
| @Injectable() |
| export class GatewayVersionService { |
| private apiUrl = window.location.pathname.replace(new RegExp('admin-ui/.*'), 'api/v1/'); |
| private versionUrl = this.apiUrl + 'version'; |
| |
| constructor(private http: HttpClient) { |
| } |
| |
| getVersion(): Promise<GatewayVersion> { |
| let headers = new HttpHeaders(); |
| headers = this.addHeaders(headers); |
| return this.http.get(this.versionUrl, {headers: headers}) |
| .toPromise() |
| .then(response => { |
| return response['ServerVersion'] as GatewayVersion; |
| }) |
| .catch(this.handleError); |
| } |
| |
| addHeaders(headers: HttpHeaders) { |
| return headers.append('Accept', 'application/json') |
| .append('Content-Type', 'application/json') |
| .append('X-XSRF-Header', 'admin-ui'); |
| } |
| |
| private handleError(error: any): Promise<any> { |
| console.error('An error occurred', error); // for demo purposes only |
| return Promise.reject(error.message || error); |
| } |
| } |