package com.onaro.util.jfc.tables.filter;

import com.onaro.util.jfc.tables.filter.matcher.*;

public class NumberFilterMatcherFactory extends FilterMatcherFactory{
    protected FilterMatcher createConcreteMatcher(String token) throws FilterException {
        if (token.startsWith(NOT)) {
            //remove the minus
            String tokenWithoutMinus = token.substring(1);

            //remove quotes if needed
            if (tokenWithoutMinus.length() > 1 && tokenWithoutMinus.charAt(0) == '"' && tokenWithoutMinus.charAt(tokenWithoutMinus.length() - 1) == '"') {
                String tokenWithoutQuotes = tokenWithoutMinus.substring(1, tokenWithoutMinus.length() - 1);
                //wrap for not...
                return new NotFilterMatcher(new NumberFilterMatcher(tokenWithoutQuotes));
            }else {
                //the minus belongs to the value
                return new NumberFilterMatcher(token);
            }
        } else {
            //remove quotes if needed
            token = stripQuotesIfNeeded(token);

            return new NumberFilterMatcher(token);
        }
    }
}