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

import java.io.Serializable;

import org.gcube.accounting.datamodel.UsageRecord;
import org.gcube.accounting.datamodel.decorators.FieldAction;
import org.gcube.accounting.exception.InvalidValueException;


public class ValidLongValidator implements FieldAction {

	private static final String ERROR = String.format("Not Instance of %s", Integer.class.getSimpleName());
	
	/**
	 * {@inheritDoc}
	 */
	@Override
	public Comparable<? extends Serializable> validate(String key, Comparable<? extends Serializable> value, UsageRecord usageRecord) throws InvalidValueException {
		if(value instanceof Long){
			return value;
		}
		try {
			Long longObj = Long.valueOf((String) value);
			if(longObj!=null){
				return longObj;
			}
		}catch (Exception e) {
			throw new InvalidValueException(ERROR, e);
		}
		throw new InvalidValueException(ERROR);
	}

}