File xmlFile = new File(rootDirectory, projectFile.getProperty(ProjectFile.STRUCTURE_INFO));
ProjectDataSaxParser parser = new ProjectDataSaxParser(this, project, rootDirectory, tracker);
try {
parser.loadProject(xmlFile.toURI().toURL());
} catch (Exception ex) {
throw new InterchangeLoadingException(ex.getMessage(), ex);
}
// The return type of this method was changed in version 2.1.1.
// This class is used only in < 2.0 versions, so the return type will not be checked.
return Sets.newHashSet();
}