Angular - Return XML data from server

Question

I am creating XML data on the server side and sending to my Angular client to save as xml file. But for some reason in the httpClient.post method I get error. Dont understand what is the reason. In the browser console I see the XML data in the Response but for some reason it is not printing the data. I will appreciate help to debug issue.Below is my client code.

Service class

public createXML(data:IJob)
{
    console.log("createXML - POST data to server: ", data);
    let headers = new HttpHeaders();
    headers = headers.append('Content-Type', 'application/xml');
    return this.httpClient.post<any>(environment.restUrl + "/createXML/",data)
    .pipe(
      tap((data) => console.log(data)),
      catchError(this.handleError)
    );
}

Component class

createXML(data:IJob):void{
  this.coreService.createXML(data).subscribe(
    (data: Response) => {
      console.log('XML file',data);
      this.downloadFile(data.text(), 'lot', 'gtin');
    }, (err: any) => {
      console.log(err);
    });
  }

Shifenis · Accepted Answer · 2022-06-27 14:19:35Z

1

This is happening because the default type of your response is JSON, you need to set the response as text

In order to achieve this you have to:

public createXML(data:IJob)
{
    console.log("createXML - POST data to server: ", data);
    let headers = new HttpHeaders();
    headers = headers.append('Content-Type', 'application/xml');
    return this.httpClient.post<any>(
      environment.restUrl + "/createXML/",
      data, 
      {
        responseType: "text" // this is 
      }
     ).pipe(
      tap((data) => console.log(data)),
      catchError(this.handleError)
    );
}

For more information you see how to make a POST request

answered Jun 27, 2022 at 14:19

Shifenis

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