public EntityState next()

in core/src/main/java/org/apache/james/mime4j/stream/MimeTokenStream.java [370:397]

• 28 lines of code
• 8 McCabe index (conditional complexity)

    public EntityState next() throws IOException, MimeException {
        if (state == EntityState.T_END_OF_STREAM  ||  currentStateMachine == null) {
            throw new IllegalStateException("No more tokens are available.");
        }
        while (currentStateMachine != null) {
            EntityStateMachine next = currentStateMachine.advance();
            if (next != null) {
                entities.add(next);
                currentStateMachine = next;
            }
            state = currentStateMachine.getState();
            if (state != EntityState.T_END_OF_STREAM) {
                return state;
            }
            final EntityStateMachine entityStateMachine = entities.removeLast();
            if (entityStateMachine instanceof MimeEntity) {
                ((MimeEntity) entityStateMachine).stop();
            }
            if (entities.isEmpty()) {
                currentStateMachine = null;
            } else {
                currentStateMachine = entities.getLast();
                currentStateMachine.setRecursionMode(recursionMode);
            }
        }
        state = EntityState.T_END_OF_STREAM;
        return state;
    }