public void invoke()

in core/src/main/java/flex/messaging/endpoints/amf/LegacyFilter.java [71:155]
66 lines of code
19 McCabe index (conditional complexity)

    public void invoke(final ActionContext context) throws IOException {
        MessageBody requestBody = context.getRequestMessageBody();
        context.setLegacy(true);

        // Parameters are usually sent as an AMF Array
        Object data = requestBody.getData();
        List newParams = null;

        // Check whether we're a new Flex 2.0 Messaging request
        if (data != null) {
            if (data.getClass().isArray()) {
                int paramLength = Array.getLength(data);
                if (paramLength == 1) {
                    Object obj = Array.get(data, 0);
                    if (obj != null && obj instanceof Message) {
                        context.setLegacy(false);
                        newParams = new ArrayList();
                        newParams.add(obj);
                    }
                }

                // It was not a Flex 2.0 Message, but we have an array, use its contents as our params
                if (newParams == null) {
                    newParams = new ArrayList();
                    for (int i = 0; i < paramLength; i++) {
                        try {
                            newParams.add(Array.get(data, i));
                        } catch (Throwable t) {
                        }
                    }
                }
            } else if (data instanceof List) {
                List paramList = (List) data;
                if (paramList.size() == 1) {
                    Object obj = paramList.get(0);
                    if (obj != null && obj instanceof Message) {
                        context.setLegacy(false);
                        newParams = new ArrayList();
                        newParams.add(obj);
                    }
                }

                // It was not a Flex 2.0 Message, but we have a list, so use it as our params
                if (newParams == null) {
                    newParams = (List) data;
                }
            }
        }

        // We still haven't found any lists of params, so create one with
        // whatever data we have.
        if (newParams == null) {
            newParams = new ArrayList();
            newParams.add(data);

        }

        if (context.isLegacy()) {
            newParams = legacyRequest(context, newParams);
        }

        requestBody.setData(newParams);


        next.invoke(context);


        if (context.isLegacy()) {
            MessageBody responseBody = context.getResponseMessageBody();
            Object response = responseBody.getData();

            if (response instanceof ErrorMessage) {
                ErrorMessage error = (ErrorMessage) response;
                ASObject aso = new ASObject();
                aso.put("message", error.faultString);
                aso.put("code", error.faultCode);
                aso.put("details", error.faultDetail);
                aso.put("rootCause", error.rootCause);
                response = aso;
            } else if (response instanceof Message) {
                response = ((Message) response).getBody();
            }
            responseBody.setData(response);
        }
    }