zm.hashcode.mshengu.app.util.validation.MobileNumberValidator.java Source code

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Here is the source code for zm.hashcode.mshengu.app.util.validation.MobileNumberValidator.java

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/*
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package zm.hashcode.mshengu.app.util.validation;

import com.vaadin.data.Validator;
import com.vaadin.data.Validator.InvalidValueException;

/**
 *
 * @author given
 */
public class MobileNumberValidator implements Validator {
    @Override
    public void validate(Object value) throws InvalidValueException {
        String text = (String) value;

        if (!text.matches("\\d*")) {
            throw new InvalidValueException("Just numbers allowed");
        }

        if (text.length() < 4) {
            throw new InvalidValueException("Too few numbers");
        } else if (text.length() > 4) {
            throw new InvalidValueException("Too many numbers");
        }
    }
}