How to set values to username and rememberMe in a login form?

[Takahiko Kawasaki]

Hello,

How can I set values to 'username' input field and 'rememberMe' checkbox in
a login form when a user returns to the login page after login failure?

My shiro.ini contains the following.

    [main]
    shiro.loginUrl = /sign_in.jsp

    [urls]
    /sign_in.jsp = authc

And sign_in.jsp contains a form like below.

    <form action="" method="POST" accept-charset="UTF-8">
      <!-- Login ID or Email -->
      <input placeholder="Login ID or Email"
             value="What should be here?"
             name="username" type="text" size="40"/>
      <br/><br/>

      <!-- Password -->
      <input placeholder="Password"
             value="" name="password"
             type="password" value="" size="30"/>
      <br/><br/>

      <!-- Remember Me -->
      <input name="rememberMe" type="checkbox" checked/>
      Remember Me
      <br/><br/>

      <!-- Sign In -->
      <input type="submit" value="Sign In">
    </form>

'authc' filter works as documented. It does everything (= redirects to
/sign_in.jsp on login failure) without intermediation of any controller.
However, I don't know how to make authc set the values which the user input
during the last login trial to the 'username' input field and the '
rememberMe' checkbox (as to 'rememberMe', 'checked' should be added or
removed accordingly).

How should I write the form in sign_in.jsp?

Best Regards,
Takahiko Kawasaki