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package javax.mail;
/**
* 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.
*
* @return the Content-Transfer-Encoding value, or null
*/
public String getEncoding();
}