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How to download and save on OS drive, an attachment output provided by an API end point using RestTemplate

Successful Salamander answered on July 28, 2022 Popularity 1/10 Helpfulness 1/10

answer How to download and save on OS drive, an attachment output provided by an API end point using RestTemplate

How to download and save on OS drive, an attachment output provided by an API end point using RestTemplate

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//How to download and save on OS drive, an attachment output provided by an API end point using RestTemplate

import org.springframework.web.client.RequestCallback;
import org.springframework.web.client.ResponseExtractor;
import org.springframework.web.client.RestTemplate;
import org.springframework.http.client.ClientHttpRequest;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

    public void testDownload() {
        String url = "http://url_to_resource";

        // Optional Accept header

        RequestCallback requestCallback = new RequestCallback() {

            @Override
            public void doWithRequest(ClientHttpRequest request) throws IOException {
//                byte[] plainCredsBytes = plainCreds.getBytes();
//                byte[] base64CredsBytes = Base64.encodeBase64(plainCredsBytes);
                String base64Creds = new String("cdfsdjlj==");
                request.getHeaders().set("Authorization", "Basic " + base64Creds);
                request.getHeaders().setAccept(asList(MediaType.APPLICATION_OCTET_STREAM, MediaType.ALL));
            }
        };

        // Streams the response instead of loading it all in memory
        ResponseExtractor<Void> responseExtractor = response -> {
            // Here you can write the inputstream to a file or any other place
            Path path = Paths.get("\\\\nfsshare\\files\\output.pdf");
            Files.copy(response.getBody(), path);
            return null;
        };

        restTemplate.execute(url, HttpMethod.GET, requestCallback, responseExtractor);
    }

Popularity 1/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: attachment download java output point resttemplate save using

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Contributed on Jul 28 2022

Successful Salamander

0 Answers Avg Quality 2/10

How to download and save on OS drive, an attachment output provided by an API end point using RestTemplate

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