Untitled

@EnableGlobalMethodSecurity(prePostEnabled = true)
@EnableWebSecurity
@EnableJpaRepositories(basePackageClasses = UserRepository.class)
@Configuration
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {


    @Autowired
    private CustomUserDetailsService userDetailsService;

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {

        auth.userDetailsService(userDetailsService)
        .passwordEncoder(getPasswordEncoder());
    }


    @Override
    protected void configure(HttpSecurity http) throws Exception {

        http.csrf().disable();
        http.authorizeRequests()
                .antMatchers("**/secured/**").authenticated()
                .anyRequest().permitAll()
                .and()
                .formLogin().loginPage("/loginPage")
                .usernameParameter("username").passwordParameter("password")
                .permitAll();


    }

    private PasswordEncoder getPasswordEncoder() {
        return new PasswordEncoder() {
            @Override
            public String encode(CharSequence charSequence) {
                return charSequence.toString();
            }

            @Override
            public boolean matches(CharSequence charSequence, String s) {
                return true;
            }
        };
    }
}

public class WelcomeController {

@Autowired
private UserRepository userRepository;

@RequestMapping("/w")
public String welcome(ModelMap map) {
    map.put("currentDate", new Date());
    return "welcome";
}

@RequestMapping("/loginPage")
public String getLoginPage(ModelMap map) {

    System.out.println("geberrich loginpage");

    return "loginPage";
}


@RequestMapping(value= "/add",method= RequestMethod.GET) // Map ONLY GET Requests
public @ResponseBody String addNewUser (@RequestParam(value="t1") String name
        , @RequestParam(value="t2") String email,@RequestParam(value="t3") String password) {
    // @ResponseBody means the returned String is the response, not a view name
    // @RequestParam means it is a parameter from the GET or POST request

    //build roles
    Set roles= new HashSet<Role>();
    Role role= new Role();
    role.setRole("ADMI");
    roles.add(role);
    //add user
    User n = new User();
    n.setName(name);
    n.setEmail(email);
    n.setPassword(password);
    n.setRoles(roles);
    userRepository.save(n);
    return "Saved";
}

@PreAuthorize("hasAnyRole('ADMI')")
@RequestMapping(value= "/secured/all",method= RequestMethod.GET)
public @ResponseBody String securedHello() {
    System.out.println("geberrich secured all");
    return "Secured Hello";
}

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<h3>Login with user name and password</h3>
<form >
    <label for="username">Username</label>
    <input type="text" name="username" id="username"><br>
    <label for="password">Password</label>
    <input type="password" id="password" name="password"/><br>
    <button type="submit"> Login</button><br>

</body>
</html>

2017-12-18 13:16:50.372  WARN 5804 --- [nio-8082-exec-9] .w.s.m.s.DefaultHandlerExceptionResolver : Failed to bind request element: org.springframework.web.method.annotation.MethodArgumentTypeMismatchException: Failed to convert value of type [java.lang.String] to required type [int]; nested exception is java.lang.NumberFormatException: For input string: "robots"