/**
 * Gets a text from .eml file.
 *
 * @author shinsuke
 *
 */
public class EmlExtractor extends AbstractExtractor {
    private static final String[] DAY_OF_WEEK = { "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun" };

    private static final Logger logger = LoggerFactory.getLogger(EmlExtractor.class);

    protected Properties mailProperties = new Properties();

    /* (non-Javadoc)

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            <td><a href="https://oss.sonatype.org/content/repositories/snapshots/org/codelibs/fess/fess-ds-dropbox/">fess-ds-dropbox/</a></td>
            <td>Wed Jul 10 13:08:03 UTC 2019</td>
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  @Test fun expiresDate() {
    assertThat(Date(parse(url, "a=b; Expires=Thu, 01 Jan 1970 00:00:00 GMT")!!.expiresAt))
      .isEqualTo(date("1970-01-01T00:00:00.000+0000"))
    assertThat(Date(parse(url, "a=b; Expires=Wed, 09 Jun 2021 10:18:14 GMT")!!.expiresAt))
      .isEqualTo(date("2021-06-09T10:18:14.000+0000"))
    assertThat(Date(parse(url, "a=b; Expires=Sun, 06 Nov 1994 08:49:37 GMT")!!.expiresAt))