1 files changed, 58 insertions, 0 deletions
diff --git a/sdc-workflow-designer-ui/src/app/util/http.service.ts b/sdc-workflow-designer-ui/src/app/util/http.service.ts
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+++ b/sdc-workflow-designer-ui/src/app/util/http.service.ts
@@ -0,0 +1,58 @@
+/**
+ * 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);
+    }
+}