(Java) DocuSign Download Envelope Document (PDF)

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Retrieves the specified document from the envelope. The response body of this method is the PDF file as a byte stream. You can get the file name and document ID from the response's Content-Disposition header.

For more information, see https://developers.docusign.com/docs/esign-rest-api/reference/envelopes/envelopedocuments/get/

Chilkat Java Downloads Java Libs for Windows, MacOS, Linux, Alpine Linux, Solaris Java Libs for Android

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http = new CkHttp();
    boolean success;

    // Implements the following HTTP request:
    // GET /restapi/v2.1/accounts/{accountId}/envelopes/{envelopeId}/documents/1

    // Adds the "Authorization: Bearer eyJ0eXAi.....UE8Kl_V8KroQ" header.
    CkJsonObject jsonToken = new CkJsonObject();
    // Load a previously obtained OAuth2 access token.
    success = jsonToken.LoadFile("qa_data/tokens/docusign.json");
    if (success == false) {
        System.out.println(jsonToken.lastErrorText());
        return;
        }

    http.put_AuthToken(jsonToken.stringOf("access_token"));

    // Use your account ID and a valid envelopeId here:
    http.SetUrlVar("accountId","7f3f65ed-5e87-418d-94c1-92499ddc8252");
    http.SetUrlVar("envelopeId","90d7e40a-b4bd-4ccd-bf38-c80e37954a13");

    String url = "https://demo.docusign.net/restapi/v2.1/accounts/{$accountId}/envelopes/{$envelopeId}/documents/1";
    CkBinData bd = new CkBinData();

    success = http.DownloadBd(url,bd);
    if (success == false) {
        System.out.println(http.lastErrorText());
        return;
        }

    int respStatusCode = http.get_LastStatus();
    System.out.println("Response Status Code = " + respStatusCode);
    if (respStatusCode != 200) {
        System.out.println("Response Header:");
        System.out.println(http.lastResponseHeader());
        // The response body contains an error message.
        System.out.println(bd.getString("utf-8"));
        System.out.println("Failed.");
        return;
        }

    // The response indicated success.
    // Get the filename from the Content-Disposition header and save to a file.
    CkMime mime = new CkMime();
    mime.LoadMime(http.lastResponseHeader());

    String filename = mime.getHeaderFieldAttribute("Content-Disposition","filename");
    System.out.println("filename = " + filename);

    CkStringBuilder sbPath = new CkStringBuilder();
    sbPath.Append("C:/aaworkarea/");
    sbPath.Append(filename);
    success = bd.WriteFile(sbPath.getAsString());
    if (success == false) {
        System.out.println("Failed to save to output file.");
        }
    else {
        System.out.println("Wrote " + sbPath.getAsString());
        }
  }
}