Java Server Programming Black Book Pdf Access

// 3. Database Connection Pool public class DatabasePool private static HikariDataSource dataSource;

public static Connection getConnection() throws SQLException return dataSource.getConnection(); java server programming black book pdf

// 5. Filter for Authentication @WebFilter("/*") public class AuthFilter implements Filter static HikariConfig config = new HikariConfig()

private boolean authenticate(String user, String pass) // Implement actual authentication logic return "admin".equals(user) && "secret".equals(pass); dataSource = new HikariDataSource(config)

static HikariConfig config = new HikariConfig(); config.setJdbcUrl("jdbc:mysql://localhost:3306/mydb"); config.setUsername("root"); config.setPassword("password"); config.setMaximumPoolSize(10); dataSource = new HikariDataSource(config);

public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException (session != null && session.getAttribute("user") != null)) chain.doFilter(req, res); else response.sendRedirect("login.html");