package ua_parser.pig.os;
import java.io.IOException;
import org.apache.pig.EvalFunc;
import org.apache.pig.data.Tuple;
import ua_parser.OS;
import ua_parser.pig.PigParser;
public class Family extends EvalFunc<String> {
private PigParser parser;
public Family() throws IOException {
parser = PigParser.getParser();
}
public String exec(Tuple input) throws IOException {
if (input == null || input.size() == 0) {
return null;
}
try {
String agentString = (String) input.get(0);
OS os = parser.parseOS(agentString);
if (os == null) {
return null;
}
return os.family;
} catch (Exception e) {
throw new IOException("Caught exception processing input row ", e);
}
}
}