for (VirtualFile f : files) {
InputStream xmlStream = null;
try {
xmlStream = new FileInputStream(f.getPhysicalFile());
DsParser parser = new DsParser();
parser.setSystemPropertiesResolved(resolveProperties);
DataSources dataSources = parser.parse(xmlStream);
if (dataSources != null) {
deploymentUnit.addToAttachmentList(DATA_SOURCES_ATTACHMENT_KEY, dataSources);
}
} catch (Exception e) {
throw new DeploymentUnitProcessingException(e.getMessage(), e);