Java

Box.com Download Binary File to Memory

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Retrieves the actual data of the file into a memory (not to a local file). Java

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[])
  {
    boolean success = false;

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http = new CkHttp();
    http.put_KeepResponseBody(true);

    // Provide a previously obtained OAuth2 access token.
    // See Get Box OAuth2 Access Token.
    http.put_AuthToken("BOX_ACCESS_TOKEN");

    http.put_FollowRedirects(true);

    // The file is specified by the file ID.
    // In this case, we're downloading a file with FILE_ID = 283371752129.
    // The general form of the URL for downloading is: https://api.box.com/2.0/files/FILE_ID/content
    CkBinData bd = new CkBinData();
    success = http.DownloadBd("https://api.box.com/2.0/files/283371752129/content",bd);
    int statusCode = http.get_LastStatus();
    if (success == false) {
        if (statusCode == 0) {
            // Unable to either send the request or get the response.
            System.out.println(http.lastErrorText());
            }
        else {
            // We got a response, but the status code was not in the 200s
            System.out.println("Response status code: " + statusCode);
            // Examine the response body.
            System.out.println("Response body:");
            System.out.println(http.lastResponseBody());
            }

        System.out.println("Download failed.");

        }
    else {
        System.out.println("Downloaded tigers.jpeg into an object holding the binary data.");

        System.out.println("Number of bytes: " + bd.get_NumBytes());
        }
  }
}