http way to get remote file contents

 

    public class HttpServer
    {
        /// <summary>
        /// 读取远程文件的内容
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public string ReadFromFile(string serverFilePath)
        {
            if (string.IsNullOrEmpty(serverFilePath))
                return "";

            string ret = "";
            HttpWebRequest req = null;
            HttpWebResponse resp = null;

            try
            {
                req = (HttpWebRequest)HttpWebRequest.Create(serverFilePath);
                req.Method = "GET";
                req.KeepAlive = false;

                resp = req.GetResponse() as HttpWebResponse;
                using (Stream stream = resp.GetResponseStream())
                {
                    using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
                    {
                        ret = reader.ReadToEnd();
                    } 
                } 
            } 
            The catch (Exception EX) 
            { 
                the throw EX; 
            } 
            the finally 
            { 
                IF (! REQ = null ) 
                    req.Abort (); 
                IF (! RESP = null ) 
                    resp.Close (); 
            } 

            return RET; 
        } 

        ///  < Summary> 
        /// read the contents of the remote file (asynchronous)
         ///  </ Summary> 
        ///  <param name = "path"> </ param> 
        ///  <Returns> </ Returns> 
        public  the async the Task <string> ReadFromFileAsync(string serverFilePath)
        {
            if (string.IsNullOrEmpty(serverFilePath))
                return "";

            string ret = "";
            HttpWebRequest req = null;
            HttpWebResponse resp = null;

            try
            {
                req = (HttpWebRequest)HttpWebRequest.Create(serverFilePath);
                req.Method = "GET";
                req.KeepAlive = false;

                resp = req.GetResponse() as HttpWebResponse;
                using (Stream stream = resp.GetResponseStream())
                {
                    using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
                    {
                        ret = await reader.ReadToEndAsync();
                    }
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (req != null)
                    req.Abort();
                if (resp != null)
                    resp.Close();
            }

            return ret;
        }
    }