public static void main(String[] args) { // create a ProductMatcher object to match the listings to product. The constructor take a // string as the name of output file ProductMatcher pMatcher = new ProductMatcher("data/output.txt"); if (args.length < 2) { System.out.println("Proper Usage is: java Main productsInput listingsIuput"); System.exit(0); } // parse the json strings from the input file use ProductMatcher pMatcher. parseInput(args[0], pMatcher, 0); parseInput(args[1], pMatcher, 1); // match listing objects to product objects pMatcher.match(); // print the result to output.txt pMatcher.printResult(); }
public static void parseInput(String inputFile, ProductMatcher pMatcher, int option) { try { if (inputFile == null) { return; } FileInputStream fstream = new FileInputStream(inputFile); DataInputStream in = new DataInputStream(fstream); BufferedReader br = new BufferedReader(new InputStreamReader(in)); String strLine; // Read File Line By Line while ((strLine = br.readLine()) != null) { // parse the json string and create related objects such as Products, Manufacturer and // Listing. if (option == 0) pMatcher.parseProduct(strLine); if (option == 1) pMatcher.parseListing(strLine); } in.close(); } catch (Exception e) { System.err.println("Error: " + e.getMessage()); } }