protected SortedMap parseRequestContent()

in ons-core/ons-trace-core/src/main/java/org/apache/rocketmq/ons/open/trace/core/hook/AbstractRPCHook.java [37:70]

31 lines of code
9 McCabe index (conditional complexity)


    protected SortedMap<String, String> parseRequestContent(RemotingCommand request, String ak, String onsChannel) {
        CommandCustomHeader header = request.readCustomHeader();
        // sort property
        SortedMap<String, String> map = new TreeMap<String, String>();
        map.put(AccessKey, ak);
        map.put(ONSChannelKey, onsChannel);
        try {
            // add header properties
            if (null != header) {
                Field[] fields = fieldCache.get(header.getClass());
                if (null == fields) {
                    fields = header.getClass().getDeclaredFields();
                    for (Field field : fields) {
                        field.setAccessible(true);
                    }
                    Field[] tmp = fieldCache.putIfAbsent(header.getClass(), fields);
                    if (null != tmp) {
                        fields = tmp;
                    }
                }

                for (Field field : fields) {
                    Object value = field.get(header);
                    if (null != value && !field.isSynthetic()) {
                        map.put(field.getName(), value.toString());
                    }
                }
            }
            return map;
        }
        catch (Exception e) {
            throw new RuntimeException("incompatible exception.", e);
        }
    }