public void actionPerformed()

in jspwiki-main/src/main/java/org/apache/wiki/WikiSession.java [244:366]
99 lines of code
23 McCabe index (conditional complexity)

    public void actionPerformed( final WikiEvent event ) {
        if ( event instanceof WikiSecurityEvent ) {
            final WikiSecurityEvent e = (WikiSecurityEvent)event;
            if ( e.getTarget() != null ) {
                switch( e.getType() ) {
                case WikiSecurityEvent.GROUP_ADD:
                    final Group groupAdd = ( Group )e.getTarget();
                    if( isInGroup( groupAdd ) ) {
                        m_subject.getPrincipals().add( groupAdd.getPrincipal() );
                    }
                    break;
                case WikiSecurityEvent.GROUP_REMOVE:
                    final Group group = ( Group )e.getTarget();
                    m_subject.getPrincipals().remove( group.getPrincipal() );
                    break;
                case WikiSecurityEvent.GROUP_CLEAR_GROUPS:
                    m_subject.getPrincipals().removeAll( m_subject.getPrincipals( GroupPrincipal.class ) );
                    break;
                case WikiSecurityEvent.LOGIN_INITIATED:
                    // Do nothing
                    break;
                case WikiSecurityEvent.PRINCIPAL_ADD:
                    final WikiSession targetPA = ( WikiSession )e.getTarget();
                    if( this.equals( targetPA ) && m_status.equals( AUTHENTICATED ) ) {
                        final Set< Principal > principals = m_subject.getPrincipals();
                        principals.add( ( Principal )e.getPrincipal() );
                    }
                    break;
                case WikiSecurityEvent.LOGIN_ANONYMOUS:
                    final WikiSession targetLAN = ( WikiSession )e.getTarget();
                    if( this.equals( targetLAN ) ) {
                        m_status = ANONYMOUS;

                        // Set the login/user principals and login status
                        final Set< Principal > principals = m_subject.getPrincipals();
                        m_loginPrincipal = ( Principal )e.getPrincipal();
                        m_userPrincipal = m_loginPrincipal;

                        // Add the login principal to the Subject, and set the built-in roles
                        principals.clear();
                        principals.add( m_loginPrincipal );
                        principals.add( Role.ALL );
                        principals.add( Role.ANONYMOUS );
                    }
                    break;
                case WikiSecurityEvent.LOGIN_ASSERTED:
                    final WikiSession targetLAS = ( WikiSession )e.getTarget();
                    if( this.equals( targetLAS ) ) {
                        m_status = ASSERTED;

                        // Set the login/user principals and login status
                        final Set< Principal > principals = m_subject.getPrincipals();
                        m_loginPrincipal = ( Principal )e.getPrincipal();
                        m_userPrincipal = m_loginPrincipal;

                        // Add the login principal to the Subject, and set the built-in roles
                        principals.clear();
                        principals.add( m_loginPrincipal );
                        principals.add( Role.ALL );
                        principals.add( Role.ASSERTED );
                    }
                    break;
                case WikiSecurityEvent.LOGIN_AUTHENTICATED:
                    final WikiSession targetLAU = ( WikiSession )e.getTarget();
                    if( this.equals( targetLAU ) ) {
                        m_status = AUTHENTICATED;

                        // Set the login/user principals and login status
                        final Set< Principal > principals = m_subject.getPrincipals();
                        m_loginPrincipal = ( Principal )e.getPrincipal();
                        m_userPrincipal = m_loginPrincipal;

                        // Add the login principal to the Subject, and set the built-in roles
                        principals.clear();
                        principals.add( m_loginPrincipal );
                        principals.add( Role.ALL );
                        principals.add( Role.AUTHENTICATED );

                        // Add the user and group principals
                        injectUserProfilePrincipals();  // Add principals for the user profile
                        injectGroupPrincipals();  // Inject group principals
                    }
                    break;
                case WikiSecurityEvent.PROFILE_SAVE:
                    final WikiSession sourcePS = e.getSrc();
                    if( this.equals( sourcePS ) ) {
                        injectUserProfilePrincipals();  // Add principals for the user profile
                        injectGroupPrincipals();  // Inject group principals
                    }
                    break;
                case WikiSecurityEvent.PROFILE_NAME_CHANGED:
                    // Refresh user principals based on new user profile
                    final WikiSession sourcePNC = e.getSrc();
                    if( this.equals( sourcePNC ) && m_status.equals( AUTHENTICATED ) ) {
                        // To prepare for refresh, set the new full name as the primary principal
                        final UserProfile[] profiles = ( UserProfile[] )e.getTarget();
                        final UserProfile newProfile = profiles[ 1 ];
                        if( newProfile.getFullname() == null ) {
                            throw new IllegalStateException( "User profile FullName cannot be null." );
                        }

                        final Set< Principal > principals = m_subject.getPrincipals();
                        m_loginPrincipal = new WikiPrincipal( newProfile.getLoginName() );

                        // Add the login principal to the Subject, and set the built-in roles
                        principals.clear();
                        principals.add( m_loginPrincipal );
                        principals.add( Role.ALL );
                        principals.add( Role.AUTHENTICATED );

                        // Add the user and group principals
                        injectUserProfilePrincipals();  // Add principals for the user profile
                        injectGroupPrincipals();  // Inject group principals
                    }
                    break;

                //  No action, if the event is not recognized.
                default:
                    break;
                }
            }
        }
    }