| /** |
| * 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 { HttpErrorResponse, HttpResponse } from '@angular/common/http'; |
| import { throwError, Observable } from 'rxjs'; |
| |
| import { RestError } from '../model/rest-error'; |
| |
| export class HttpUtil { |
| public static extractString(res: HttpResponse<any>): string { |
| let text: string = res.toString(); |
| return text || ''; |
| } |
| |
| public static extractData(res: HttpResponse<any>): any { |
| let body = res; |
| return body || {}; |
| } |
| |
| public static handleError(res: HttpErrorResponse): Observable<RestError> { |
| // In a real world app, we might use a remote logging infrastructure |
| // We'd also dig deeper into the error to get a better message |
| let restError: RestError; |
| if (res.status === 401) { |
| window.location.assign('/login?sessionExpired=true'); |
| } else if (res.status !== 404) { |
| restError = res; |
| } else { |
| restError = new RestError(); |
| restError.status = 404; |
| } |
| return throwError(restError); |
| } |
| } |