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/**
* Copyright (c) 2017 ZTE Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and the Apache License 2.0 which both accompany this distribution,
* and are available at http://www.eclipse.org/legal/epl-v10.html
* and http://www.apache.org/licenses/LICENSE-2.0
*
* Contributors:
* ZTE - initial API and implementation and/or initial documentation
*/
import { Injectable } from '@angular/core';
import { Http, RequestOptionsArgs } from '@angular/http';
import { Observable } from 'rxjs/Rx';
import './rxjs-operators';
@Injectable()
export class HttpService {
constructor(private http: Http) {}
public get(uri: string): Observable<any> {
return this.getHttp('get', uri);
}
public post(uri: string, data: any): Observable<any> {
return this.getHttp('post', uri, data);
}
public put(uri: string, data: any, options?: RequestOptionsArgs): Observable<any> {
return this.getHttp('put', uri, data, options);
}
public delete(uri: string): Observable<any> {
return this.getHttp('delete', uri);
}
public getHttp(type: string, uri: string, data?: any, options?: RequestOptionsArgs): Observable<any> {
if (data) {
return this.http[type](uri, data, options)
.map(response =>
response.json()
)
.catch(this.handleError);
} else {
return this.http[type](uri, options)
.map(response =>
response.json()
)
.catch(this.handleError);
}
}
private handleError(error: any) {
const errMsg = (error.message) ? error.message :
error.status ? `${error.status}-${error.statusText}` : 'Server error';
return Observable.throw(errMsg);
}
}
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