/// <summary>
/// 日時をstringからDateTimeへ変換
/// </summary>
public static DateTime?FormatDate(string dateString, string dateFormat, TimeZoneInfo timeZoneInfo)
{
if (String.IsNullOrEmpty(dateString))
{
return(null);
}
try
{
DateTime dateTime = DateTime.ParseExact(dateString, dateFormat, null);
dateTime = TimeZoneInfo.ConvertTimeToUtc(dateTime, timeZoneInfo);
return(dateTime.ToLocalTime());
}
catch (FormatException)
{
#if DEBUG
MyTraceSource.TraceEvent(TraceEventType.Error, new StringBuilder(40).Append("[").Append(dateString).Append("] is not [").Append(dateFormat).Append("]").ToString());
#endif
return(null);
}
catch (Exception ex)
{
throw ex;
}
}
private static void BrowserProcessStart(string url)
{
try
{
//規定のブラウザで配信URLを開く
Process.Start(url);
}
catch (Exception ex)
{
MyTraceSource.TraceEvent(TraceEventType.Error, ex);
}
}
private static void BrowserProcessStart(string fileName, string url)
{
try
{
//指定のブラウザで配信URLを開く
Process.Start(fileName, url);
}
//ファイルを開いてるときにエラーが発生
catch (Win32Exception ex)
{
MyTraceSource.TraceEvent(TraceEventType.Error, ex);
//規定のブラウザで配信URLを開く
BrowserProcessStart(url);
}
catch (Exception ex)
{
MyTraceSource.TraceEvent(TraceEventType.Error, ex);
}
}
/// <summary>
/// 日時をstringからDateTimeへ変換
/// </summary>
public static DateTime?FormatDate(string dateString, string dateFormat, bool isUniversal, DateTimeFormatInfo formatInfo, DateTimeStyles styles)
{
if (String.IsNullOrEmpty(dateString))
{
return(null);
}
try
{
DateTime dateTime = DateTime.ParseExact(dateString, dateFormat, formatInfo, styles);
return(isUniversal ? dateTime.ToLocalTime() : dateTime);
}
catch (FormatException)
{
#if DEBUG
MyTraceSource.TraceEvent(TraceEventType.Error, new StringBuilder(40).Append("[").Append(dateString).Append("] is not [").Append(dateFormat).Append("]").ToString());
#endif
return(null);
}
catch (Exception ex)
{
throw ex;
}
}
public async Task <Stream> GetStreamAsync(string url, Dictionary <string, string> param)
{
MemoryStream memoryStream = new MemoryStream();
if (param != null)
{
string[] array = new string[param.Count];
int num = 0;
foreach (KeyValuePair <string, string> item in param)
{
array[num] = item.Key + "=" + Uri.EscapeDataString(item.Value);
num++;
}
url = url + "?" + string.Join("&", array);
}
for (int i = 1; i <= 3; i++)
{
try
{
HttpWebRequest httpWebRequest = WebRequest.Create(url) as HttpWebRequest;
httpWebRequest.Method = "GET";
httpWebRequest.Proxy = null;
httpWebRequest.UserAgent = userAgent_;
httpWebRequest.Timeout = 30000;
httpWebRequest.ReadWriteTimeout = 30000;
WebHeaderCollection headers = httpWebRequest.Headers;
headers.Add("Accept-Language", "ja,en-us;q=0.7,en;q=0.3");
#if DEBUG
MyTraceSource.TraceEvent(TraceEventType.Information, "[MyHttpClient] " + url);
#endif
using (HttpWebResponse httpWebResponse = await httpWebRequest.GetResponseAsync() as HttpWebResponse)
{
if (httpWebResponse.StatusCode == HttpStatusCode.OK)
{
using (Stream stream = httpWebResponse.GetResponseStream())
{
stream.CopyTo(memoryStream);
}
break;
}
}
}
catch (WebException ex)
{
MyTraceSource.TraceEvent(TraceEventType.Error, ex);
MyTraceSource.TraceEvent(TraceEventType.Error, "WebException：" + url);
if (ex.Status == WebExceptionStatus.ProtocolError)
{
HttpWebResponse httpWebResponse2 = (HttpWebResponse)ex.Response;
if (httpWebResponse2.StatusCode == HttpStatusCode.InternalServerError || httpWebResponse2.StatusCode == HttpStatusCode.ServiceUnavailable)
{
throw new ServerErrorException(url, ex);
}
if (httpWebResponse2.StatusCode == HttpStatusCode.BadRequest || httpWebResponse2.StatusCode == HttpStatusCode.Forbidden || httpWebResponse2.StatusCode == HttpStatusCode.NotFound)
{
throw new ClientErrorException(url, ex);
}
}
if (i >= 3)
{
throw new HttpClientException(url, ex);
}
if (ex.Status == WebExceptionStatus.NameResolutionFailure)
{
#if DEBUG
MyTraceSource.TraceEvent(TraceEventType.Information, "[MyHttpClient] NameResolutionFailure RetryWait Start");
#endif
await Task.Delay(15000);
#if DEBUG
MyTraceSource.TraceEvent(TraceEventType.Information, "[MyHttpClient] NameResolutionFailure RetryWait end");
#endif
}
}
catch (Exception innerException)
{
throw new HttpClientException(url, innerException);
}
#if DEBUG
MyTraceSource.TraceEvent(TraceEventType.Information, "[MyHttpClient] RetryWait Start");
#endif
await Task.Delay(5000);
#if DEBUG
MyTraceSource.TraceEvent(TraceEventType.Information, "[MyHttpClient] RetryWait End");
#endif
}
memoryStream.Position = 0L;
return(memoryStream);
}
