How to use

ReferencedDataNature

in

net.sf.taverna.t2.reference

  public String renderFrom(InputStream stream,
      ReferencedDataNature dataNature, String charset) {
    BufferedReader in;
    if ((charset == null) || !dataNature.equals(ReferencedDataNature.TEXT)){
      in = new BufferedReader(new InputStreamReader(stream));
    } else {
      try {
        Charset c = Charset.forName(charset);
        in = new BufferedReader(new InputStreamReader(stream, c));
      }
      catch (IllegalArgumentException e1) {
        in = new BufferedReader(new InputStreamReader(stream));
      }                    
    }
    try {
      return readFile(in);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }

  }
}

/**
 * @param dataNature the dataNature to set
 */
public void setDataNature(ReferencedDataNature dataNature) {
  setDataNatureName(dataNature.name());
}

/**
 * @return the dataNature
 */
public ReferencedDataNature getDataNature() {
  return ReferencedDataNature.valueOf(ReferencedDataNature.class, getDataNatureName());
}

    .toString());
element.addContent(refElement);

if (externalReference.getDataNature().equals(ReferencedDataNature.TEXT)) {
  break;

if (fileRef.getDataNature().equals(ReferencedDataNature.TEXT)) {
  r = new InputStreamReader(fileRef.openStream(this.getContext()), Charset.forName(fileRef.getCharset()));
} else {

for (ExternalReferenceSPI ers : rs.getExternalReferences()) {
  ReferencedDataNature erDataNature = ers.getDataNature();
  if (!erDataNature.equals(ReferencedDataNature.UNKNOWN)) {
    dataNature = erDataNature;
    break;
  if (dataNature.equals(ReferencedDataNature.TEXT)) {
    dataValue = referenceService.renderIdentifier(reference, String.class, context);
  } else {

for (ExternalReferenceSPI ers : rs.getExternalReferences()) {
  ReferencedDataNature erDataNature = ers.getDataNature();
  if (!erDataNature.equals(ReferencedDataNature.UNKNOWN)) {
    dataNature = erDataNature;
    break;
  if (dataNature.equals(ReferencedDataNature.TEXT)) {
    dataValue = referenceService.renderIdentifier(reference, String.class, context);
  } else {