@Override
public String getVersionIdentifier(ReadableArchive archive) {
String versionIdentifierValue = null;
try {
WebXmlParser webXmlParser = getWebXmlParser(archive);
versionIdentifierValue = webXmlParser.getVersionIdentifier();
} catch (XMLStreamException e) {
logger.log(Level.SEVERE, e.getMessage());
} catch (IOException e) {
logger.log(Level.SEVERE, e.getMessage());
}
return versionIdentifierValue;
}
