package fcexample.model;

/**
 * An implmentation of the mailing bean interface, using local
 * variables as storage.  Real implementations should use a real
 * login mechanism.
 */
public class UserBeanImpl implements UserBean {
    /** the username */
    private String username;
    
    /** the password */
    private String password;
    
    /** whether the user is logged in or not */
    private boolean loggedIn;
    
    /**
     * Get the user name
     */
    public String getUsername() {
        return this.username;
    }
    
    /**
     * Set the user name
     */
    public void setUsername(String username) {
        this.username = username;
    }
    
    /**
     * Get the password
     */
    public String getPassword() {
        return this.password;
    }
    
    /**
     * Set the password
     */
    public void setPassword(String password) {
        this.password = password;
    }
    
    /**
     * Business method to actually perform login.  This method just checks that
     * the password exists and is longer than 3 characters long.  Real versions
     * should check with some kind of real mechanism to determing username and
     * password validity.
     */
    public boolean doLogin() {
        if (password == null || password.length() < 3) {
            setLoggedIn(false);
        } else {
            setLoggedIn(true);
        }
        
        return isLoggedIn();
    }
    
    /**
     * Set whether we are currently logged in or not
     */
    private void setLoggedIn(boolean loggedIn) {
        this.loggedIn = loggedIn;
    }
        
    /**
     * Determine if we are currently logged in or not
     */
    public boolean isLoggedIn() {
        return loggedIn;
    }
}