Java

Set a MIME Body, Preserving Content Headers

Demonstrates the Chilkat Mime.SetBody method, which sets the current part's body while preserving the existing content headers (Content-Type, charset, Content-Transfer-Encoding). The only argument is the body text; it is a void method.

Background: Unlike the SetBodyFrom... methods, which set both the content and the headers that describe it, SetBody replaces only the body text and leaves the existing Content-Type and encoding in place. That is what you want when the media type is already correct and you simply need to swap in new content — updating a templated part, for instance — without re-declaring its type.

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Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Mime;

public class ChilkatExample {

    public static void main(String[] args) {
        // Demonstrates the Mime.SetBody method, which sets the current part's body while preserving the
        // existing content headers (Content-Type, charset, Content-Transfer-Encoding).  The only argument
        // is the body text.  It is a void method.

        Mime mime = new Mime();

        // Establish the content headers first.
        String mimeText;
        try {
            mime.setBodyFromPlainText("initial");

            // Replace just the body text, keeping the existing Content-Type and encoding.
            mime.setBody("This is the replacement body text.");

            mimeText = mime.getMime();
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println(mimeText);
    }
}