java login小方法集合

Md5PasswordEncoder md5 = new Md5PasswordEncoder();
if (user != null && md5.isPasswordValid(user.getPassword(), password.trim(), SALT)) {}  
// isPasswordValid :

public boolean isPasswordValid(String encPass, String rawPass, Object salt) {
    String pass1 = "" + encPass;
    String pass2 = this.encodePassword(rawPass, salt);
    return PasswordEncoderUtils.equals(pass1, pass2);
}