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package javax.mail;

A DataSource that also implements EncodingAware may specify the Content-Transfer-Encoding
to use for its data.  Valid Content-Transfer-Encoding values specified
by RFC 2045 are "7bit", "8bit", "quoted-printable", "base64", and "binary".
 For example, a FileDataSource could be created that forces all files to be base64 encoded: 
 public class Base64FileDataSource extends FileDataSource
				implements EncodingAware {
public Base64FileDataSource(File file) {
    super(file);
}
// implements EncodingAware.getEncoding()
public String getEncoding() {
    return "base64";
}
 }

Author:
	Bill Shannon
Since:
	JavaMail 1.5/**
 * A {@link javax.activation.DataSource DataSource} that also implements
 * <code>EncodingAware</code> may specify the Content-Transfer-Encoding
 * to use for its data.  Valid Content-Transfer-Encoding values specified
 * by RFC 2045 are "7bit", "8bit", "quoted-printable", "base64", and "binary".
 * <p>
 * For example, a {@link javax.activation.FileDataSource FileDataSource}
 * could be created that forces all files to be base64 encoded:
 * <blockquote><pre>
 *  public class Base64FileDataSource extends FileDataSource
 *					implements EncodingAware {
 *	public Base64FileDataSource(File file) {
 *	    super(file);
 *	}
 *
 *	// implements EncodingAware.getEncoding()
 *	public String getEncoding() {
 *	    return "base64";
 *	}
 *  }
 * </pre></blockquote><p>
 *
 * @since	JavaMail 1.5
 * @author	Bill Shannon
 */

public interface EncodingAware {

    
Return the MIME Content-Transfer-Encoding to use for this data,
or null to indicate that an appropriate value should be chosen
by the caller.
Returns:
		the Content-Transfer-Encoding value, or null/**
     * Return the MIME Content-Transfer-Encoding to use for this data,
     * or null to indicate that an appropriate value should be chosen
     * by the caller.
     *
     * @return		the Content-Transfer-Encoding value, or null
     */
    public String getEncoding();
}