How to use

setModificationDate

method

in

org.restlet.representation.Representation

@Override
public void setModificationDate(Date modificationDate) {
  getWrappedRepresentation().setModificationDate(modificationDate);
}

private Representation entityHeaders( Representation representation, EntityState entityState )
{
  representation.setModificationDate( java.util.Date.from( entityState.lastModified() ) );
  representation.setTag( new Tag( "" + entityState.version() ) );
  representation.setCharacterSet( CharacterSet.UTF_8 );
  representation.setLanguages( Collections.singletonList( Language.ENGLISH ) );
  return representation;
}

@Get
public Representation represent() {
  // Modification date (Fri, 17 Apr 2012 10:10:10 GMT) unchanged.
  Calendar cal = new GregorianCalendar(2012, 4, 17, 10, 10, 10);
  Representation result = new StringRepresentation("<a href="
      + getReference() + ">" + System.currentTimeMillis() + "</a>");
  result.setMediaType(MediaType.TEXT_HTML);
  result.setModificationDate(cal.getTime());
  // Expiration date (Fri, 17 Apr 2012 13:10:10 GMT) unchanged.
  cal.roll(Calendar.HOUR, 3);
  result.setExpirationDate(cal.getTime());
  // Setting E-Tag
  result.setTag(new Tag("xyz123"));
  // Setting a cache directive
  getResponse().getCacheDirectives().add(CacheDirective.publicInfo());
  return result;
}

void updateResponse( Response response )
{
  if( entity != null )
  {
    EntityState state = spi.entityStateOf( entity );
    Tag tag = new Tag( state.entityReference().identity() + "/" + state.version() );
    response.getEntity().setModificationDate( java.util.Date.from( state.lastModified() ) );
    response.getEntity().setTag( tag );
  }
}

void updateResponse( Response response )
{
  if( entity != null )
  {
    EntityState state = spi.entityStateOf( entity );
    Tag tag = new Tag( state.entityReference().identity() + "/" + state.version() );
    response.getEntity().setModificationDate( java.util.Date.from( state.lastModified() ) );
    response.getEntity().setTag( tag );
  }
}

    metadataService.getDefaultMediaType());
output.setLocationRef(request.getResourceRef());
output.setModificationDate(modificationDate);

public void updateResponse( Response response )
{
  if( entity != null )
  {
    EntityState state = spi.entityStateOf( entity );
    Date lastModified = new Date( state.lastModified() );
    Tag tag = new Tag( state.identity().identity() + "/" + state.version() );
    response.getEntity().setModificationDate( lastModified );
    response.getEntity().setTag( tag );
  }
}

    metadataService.getDefaultMediaType());
output.setLocationRef(request.getResourceRef());
output.setModificationDate(modificationDate);

/**
 * Constructor from a variant.
 * 
 * @param variant
 *            The variant to copy.
 * @param modificationDate
 *            The modification date.
 * @param tag
 *            The tag.
 */
public Representation(Variant variant, Date modificationDate, Tag tag) {
  setCharacterSet(variant.getCharacterSet());
  setEncodings(variant.getEncodings());
  setLocationRef(variant.getLocationRef());
  setLanguages(variant.getLanguages());
  setMediaType(variant.getMediaType());
  setModificationDate(modificationDate);
  setTag(tag);
}

  entityHeaderFound = true;
} else if (HEADER_LAST_MODIFIED.equalsIgnoreCase(header.getName())) {
  result.setModificationDate(HeaderReader.readDate(header.getValue(), false));
  entityHeaderFound = true;
} else if (HEADER_ETAG.equalsIgnoreCase(header.getName())) {