/**
*
* Funf: Open Sensing Framework
* Copyright (C) 2010-2011 Nadav Aharony, Wei Pan, Alex Pentland.
* Acknowledgments: Alan Gardner
* Contact: nadav@media.mit.edu
*
* This file is part of Funf.
*
* Funf is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* Funf is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Funf. If not, see <http://www.gnu.org/licenses/>.
*
*/
package edu.mit.media.funf.data;
public interface DataNormalizer<T> {
public T normalize(T data);
public class EmailNormalizer implements DataNormalizer<String> {
@Override
public String normalize(String data) {
return data == null ? null : data.trim().toLowerCase();
}
}
public class PhoneNumberNormalizer implements DataNormalizer<String> {
@Override
public String normalize(String numberString) {
numberString = numberString.replaceAll("[^0-9]","");
int i = numberString.length();
if (i <= 10)
return numberString;
else
return numberString.substring(i - 10);
}
}
}