public String callDubboService()

in dubbo-admin-server/src/main/java/org/apache/dubbo/admin/controller/ApiDocsController.java [109:154]
46 lines of code
12 McCabe index (conditional complexity)

    public String callDubboService(CallDubboServiceRequest dubboCfg, @RequestBody List<CallDubboServiceRequestInterfaceParam> methodparams){
        String[] paramTypes = null;
        Object[] paramValues = null;
        if(null != methodparams && !methodparams.isEmpty()){
            paramTypes = new String[methodparams.size()];
            paramValues = new Object[methodparams.size()];
            for(int i = 0; i < methodparams.size(); i++){
                CallDubboServiceRequestInterfaceParam param = methodparams.get(i);
                paramTypes[i] = param.getParamType();
                Object paramValue = param.getParamValue();
                if(isBaseType(param.getParamType()) && null != paramValue){
                    if(paramValue instanceof Map){
                        Map<?, ?> tempMap = (Map<?, ?>) paramValue;
                        if(!tempMap.isEmpty()) {
                            Object tempParamValue = tempMap.values().stream().findFirst().orElse(null);
                            paramValues[i] = this.emptyString2Null(tempParamValue);
                        }
                    } else {
                        paramValues[i] = emptyString2Null(paramValue);
                    }
                } else {
                    this.emptyString2Null(paramValue);
                    paramValues[i] = paramValue;
                }
            }
        }
        if (null == paramTypes) {
            paramTypes = new String[0];
        }
        if (null == paramValues) {
            paramValues = new Object[0];
        }
        try {
            CompletableFuture<Object> future = ApiDocsDubboGenericUtil.invoke(dubboCfg.getRegistryCenterUrl(), dubboCfg.getInterfaceClassName(),
                    dubboCfg.getMethodName(), dubboCfg.isAsync(), dubboCfg.getVersion(), paramTypes, paramValues, dubboCfg.getGroup());
            try {
                Object objResult = future.get();
                return JSON.toJSONString(objResult, CLASS_NAME_PRE_FILTER);
            } catch (InterruptedException | ExecutionException e) {
                LOG.error(e.getMessage(), e);
                return "Some exceptions have occurred, please check the log.";
            }
        } catch (Exception e) {
            return "Error '" + e.getMessage() + "' happened when loading docs from remote. Please make sure api-docs dependency is correctly added to Dubbo providers, check the following link for more instructions: https://cn.dubbo.apache.org/zh-cn/overview/reference/admin/";
        }
    }