Authenticator.java Source code

Introduction

Here is the source code for Authenticator.java

Source

import java.io.File;
import java.io.FileInputStream;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

/*
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/**
 *
 * @author sarsh
 */
public class Authenticator {
    static boolean authenticate(String username, String path) {
        int i = 0;
        try {
            FileInputStream f_input = new FileInputStream(new File(path));
            XSSFWorkbook workbook = new XSSFWorkbook(f_input);
            XSSFSheet sheet = workbook.getSheetAt(0);
            int rows_number = sheet.getLastRowNum();
            System.out.println(rows_number);
            XSSFRow row_user = null;
            XSSFCell cell_user = null;
            for (int iterator = 1; iterator <= rows_number; iterator++) {
                row_user = sheet.getRow(iterator);
                cell_user = row_user.getCell(0);
                String valid_username = cell_user.getStringCellValue();
                if (username.equals(valid_username)) {
                    System.out.println("valid user");
                    return true;
                }
            }
            return false;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }
}