this function is used to call create request function in functionRegistry */.

this function is used to call a struct's method */.

decode json to struct */.

decode json to struct value of reflect.Value */.

递归创建多级目录.

删除复数的s，java中类名称，也是crd的名称.

获取A.B中的A.

从request名称中获取资源名称 requestName中第一个单词表示动作，删除即可.

获取ComputeV2Servers中的Servers，即最后一个单词.

remove package info from typename.

check if the first character is lower */.

资源前添加上路径名称.

CreateComputeV2ServersRequest 返回actionName="Create", resourceName = "server", cloudResourceName="ComputeV2Servers".

删除函数名称的actionName(list, Create)等，若没有宾语则返回原名称.

判断所给路径文件/文件夹是否存在.

this path must be a file instead of directory.

golang type convert to java type.