Google contact fix

package com.zybnet.contact.fix;

import com.google.gdata.client.contacts.ContactQuery;
import com.google.gdata.client.contacts.ContactsService;
import com.google.gdata.data.contacts.ContactEntry;
import com.google.gdata.data.contacts.ContactFeed;
import com.google.gdata.data.extensions.FullName;
import com.google.gdata.data.extensions.PhoneNumber;
import com.google.gdata.util.AuthenticationException;
import com.google.gdata.util.ServiceException;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.List;

/**
 *
 * @author Raffaele
 */
public class Main {

    /**
     * @param args username and password
     */
    public static void main(String[] args) throws AuthenticationException, MalformedURLException, IOException, ServiceException {
       ContactsService service = new ContactsService("zybnet-fix-android");
        service.setUserCredentials(args[0], args[1]);
        URL getAllURL = new URL("https://www.google.com/m8/feeds/contacts/" + args[0] + "/full");
        ContactQuery query = new ContactQuery(getAllURL);
        query.setMaxResults(10000);

        ContactFeed feed = service.getFeed(query, ContactFeed.class);
        int counter = 0;
        for (ContactEntry entry: feed.getEntries()) {
            if (entry.hasName()  && entry.hasPhoneNumbers()) {
                counter++;
                printNumbers(entry);
                List<PhoneNumber> numbers = entry.getPhoneNumbers();
                for (PhoneNumber number : numbers) {
                    setRel(entry, number);
                }
            }
        }
        System.out.println(String.format("Founded %d elements", counter));
    }

    private static void setRel(ContactEntry entry, PhoneNumber number) {
        if ("http://schemas.google.com/g/2005#mobile".equals(number.getRel()))
            return;
        try {
            number.setRel("http://schemas.google.com/g/2005#mobile");
            ContactEntry updated = entry.update();
            System.out.println("Update rel: OK");
        } catch(com.google.gdata.util.InvalidEntryException e) {
            number.setLabel(null);
            try {
                entry.update();
            } catch (Exception e2) {
                System.err.println("Another Failure. Giving up on " + entry.getName().getFullName().getValue());
            }
        }catch (Exception e) {
            System.err.println("Error in updating rel: " + e.getClass().getCanonicalName());
        }
    }

    private static void printNumbers(ContactEntry entry) {
        FullName name = entry.getName().getFullName();
        for (PhoneNumber number : entry.getPhoneNumbers())
            System.out.println(String.format("%s: %s [%s]", name.getValue(), number.getPhoneNumber(), number.getRel()));
    }
}