LOG.log(POILogger.DEBUG, "data java type: " + data.getClass().getName());
OctetStreamData octetStreamData = (OctetStreamData) data;
LOG.log(POILogger.DEBUG, "URI: " + octetStreamData.getURI());
InputStream octetStream = octetStreamData.getOctetStream();
RelationshipsDocument relDoc;
try {
relDoc = RelationshipsDocument.Factory.parse(octetStream);
} catch (Exception e) {
throw new TransformException(e.getMessage(), e);
}
LOG.log(POILogger.DEBUG, "relationships document", relDoc);
CTRelationships rels = relDoc.getRelationships();
List<CTRelationship> relList = rels.getRelationshipList();
Iterator<CTRelationship> relIter = rels.getRelationshipList().iterator();
while (relIter.hasNext()) {
CTRelationship rel = relIter.next();
/*
* See: ISO/IEC 29500-2:2008(E) - 13.2.4.24 Relationships Transform
* Algorithm.
*/
if (!this.sourceIds.contains(rel.getId())) {
LOG.log(POILogger.DEBUG, "removing element: " + rel.getId());
relIter.remove();
} else {
if (!rel.isSetTargetMode()) {
rel.setTargetMode(STTargetMode.INTERNAL);
}
}
}
// TODO: remove non element nodes ???
LOG.log(POILogger.DEBUG, "# Relationship elements", relList.size());
XmlSort.sort(rels, new Comparator<XmlCursor>(){
public int compare(XmlCursor c1, XmlCursor c2) {
String id1 = ((CTRelationship)c1.getObject()).getId();
String id2 = ((CTRelationship)c2.getObject()).getId();
return id1.compareTo(id2);
}
});
try {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
XmlOptions xo = new XmlOptions();
xo.setSaveNoXmlDecl();
relDoc.save(bos, xo);
return new OctetStreamData(new ByteArrayInputStream(bos.toByteArray()));
} catch (IOException e) {
throw new TransformException(e.getMessage(), e);
}
}