How to get specific HTTP header values from an HTTP response in Java?

Question

For example, you can extract the status code from a CloseableHTTPResponse using response.getStatusLine().getStatusCode().

Is there a similar way to get a specific header value (ie. Location, Date, etc.) from the response (in String format)?

stackoverflow.com/questions/69283119/… this may be helpful to you — YJR
– YJR, Commented Sep 21, 2022 at 18:52

Gabriel Granados. · Accepted Answer · 2022-09-21 19:04:49Z

4

You can do it using getFirstHeader("key").

Apache HttpClient example:

HttpClient client = HttpClientBuilder.create().build();
HttpGet request = new HttpGet("http://api.com");
HttpResponse response = client.execute(request);

//get header by 'key'
String headerName= response.getFirstHeader("headerName").getValue();

If you want to get all the headers, you can use getAllHeaders().

//get all headers       
    Header[] headers = response.getAllHeaders();
    for (Header header : headers) {
        System.out.println("Key : " + header.getName() 
              + " ,Value : " + header.getValue());
    }

answered Sep 21, 2022 at 19:04

Gabriel Granados.

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