/**
* takes a catalog(file) and returns a hashmap of ProductSpecs with key being the upc
*
* @param fileName
* @return HashMap<ProductSpec>
* @throws IOException
*/
public static HashMap getCatalog(String fileName) throws IOException {
ProductReader read = new ProductReader(fileName);
ProductReader.init();
ProductReader.close();
return productCatalog;
}
/**
* use to test product reader
*
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {
HashMap catalog = ProductReader.getCatalog("productCatalog.txt");
System.out.println("It worked");
}