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Java

Render an Email to MIME in a StringBuilder

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Demonstrates the Chilkat MailMan.RenderToMimeSb method, which renders an Email object as MIME text and appends the result to a StringBuilder, without sending the email. This example renders a message into a StringBuilder and prints it.

Background: This is the StringBuilder version of RenderToMime. Appending into a StringBuilder is more efficient when the MIME is large or when you plan to further inspect or manipulate it — searching, replacing, or accumulating additional text — without creating extra intermediate string copies.

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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;

    //  Demonstrates the MailMan.RenderToMimeSb method, which renders an Email object as MIME text
    //  and appends the result to a StringBuilder (without sending the email).

    CkMailMan mailman = new CkMailMan();

    //  Build the email to render.
    CkEmail email = new CkEmail();
    email.put_Subject("Rendered email");
    email.put_From("alice@example.com");
    email.AddTo("Bob","bob@example.com");
    email.put_Body("This message is rendered to MIME in a StringBuilder.");

    //  Render the MIME into a StringBuilder.
    CkStringBuilder sbMime = new CkStringBuilder();

    success = mailman.RenderToMimeSb(email,sbMime);
    if (success == false) {
        System.out.println(mailman.lastErrorText());
        return;
        }

    System.out.println(sbMime.getAsString());
  }
}