package org.gcube.accounting.datamodel.validations.validators;

import java.io.Serializable;

import org.gcube.accounting.exception.InvalidValueException;


public class ValidLongValidator implements FieldValidator {

	private static final String ERROR = String.format("Not Instance of %s", Integer.class.getSimpleName());
	
	@Override
	public Serializable validate(Serializable toValidate) throws InvalidValueException {
		if(toValidate instanceof Long){
			return toValidate;
		}
		try {
			Long longObj = Long.getLong((String) toValidate);
			if(longObj!=null){
				return longObj;
			}
		}catch (Exception e) {
			throw new InvalidValueException(ERROR, e.getCause());
		}
		throw new InvalidValueException(ERROR);
	}

}