(Java) QuickGetBd Example

The QuickGetBd method is called to send a GET request to download a binary target, such as PDF, zip, image file, etc. into a Chilkat BinData object.

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

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

    CkBinData bd = new CkBinData();

    // Download the contents of a PDF file into the bd object.
    success = http.QuickGetBd("https://www.chilkatsoft.com/hello.pdf",bd);
    if (success == false) {
        // This will happen if the response status code was 400 or greater,
        // or if the request could not be sent, or if no response was received.
        // 
        // In other words, success will only be true if bd contains the desired content at the URL (not an error response).
        int statusCode = http.get_LastStatus();
        System.out.println("Response status: " + statusCode);

        if (statusCode == 0) {
            // There was an error in communications.  
            System.out.println(http.lastErrorText());
            }
        else {
            // We received a response status code indicating failure.
            // Examine the response body.
            System.out.println(http.lastResponseBody());
            }

        return;
        }

    // Load the downloaded PDF into a Chilkat PDF object.
    CkPdf pdf = new CkPdf();
    success = pdf.LoadBd(bd);
    if (success == false) {
        System.out.println(pdf.lastErrorText());
        return;
        }

    // ...

    System.out.println("Success.");
  }
}