void HandleGDataErrorMessage(Google.GData.Client.GDataRequestException queryEx)
{
try
{
var xDoc = XDocument.Parse(queryEx.ResponseString);
var innerReasonElement = xDoc.XPathSelectElement("//*[local-name() = 'internalReason']");
if (innerReasonElement != null && !string.IsNullOrWhiteSpace(innerReasonElement.Value))
{
throw new OnlineVideosException(innerReasonElement.Value);
}
var titleElement = xDoc.XPathSelectElement("//*[local-name() = 'TITLE']");
if (titleElement != null && !string.IsNullOrWhiteSpace(titleElement.Value))
{
throw new OnlineVideosException(titleElement.Value);
}
Log.Debug("Could not get an error text from GData: {0}", queryEx.ResponseString);
}
catch (Exception ex)
{
Log.Info("Error getting GData error message: {0}{1}{2}", ex.Message, Environment.NewLine, queryEx.ResponseString);
}
throw queryEx;
}
public void ResponseStringTest()
{
GDataRequestException target = new GDataRequestException(); // TODO: Initialize to an appropriate value
string actual;
actual = target.ResponseString;
Assert.IsNull(actual);
}
//////////////////////////////////////////////////////////////////////
/// <summary>Executes the request and prepares the response stream. Also
/// does error checking</summary>
//////////////////////////////////////////////////////////////////////
public virtual void Execute() {
try {
EnsureWebRequest();
// if we ever handed out a stream, we want to close it before doing the real excecution
if (this.requestStream != null) {
this.requestStream.Close();
}
Tracing.TraceCall("calling the real execution over the webresponse");
LogRequest(this.webRequest);
this.webResponse = this.webRequest.GetResponse();
} catch (WebException e) {
Tracing.TraceCall("GDataRequest::Execute failed: " + this.targetUri.ToString());
GDataRequestException gde = new GDataRequestException("Execution of request failed: " + this.targetUri.ToString(), e);
throw gde;
}
if (this.webResponse != null) {
this.responseStream = this.webResponse.GetResponseStream();
}
LogResponse(this.webResponse);
if (this.webResponse is HttpWebResponse) {
HttpWebResponse response = this.webResponse as HttpWebResponse;
HttpWebRequest request = this.webRequest as HttpWebRequest;
this.useGZip = (string.Compare(response.ContentEncoding, "gzip", true, CultureInfo.InvariantCulture) == 0);
if (this.useGZip) {
this.responseStream = new GZipStream(this.responseStream, CompressionMode.Decompress);
}
Tracing.Assert(response != null, "The response should not be NULL");
Tracing.Assert(request != null, "The request should not be NULL");
int code = (int)response.StatusCode;
Tracing.TraceMsg("Returned ContentType is: " + (response.ContentType == null ? "None" : response.ContentType) + " from URI : " + request.RequestUri.ToString()); ;
Tracing.TraceMsg("Returned StatusCode is: " + response.StatusCode + code);
if (response.StatusCode == HttpStatusCode.Forbidden) {
// that could imply that we need to reauthenticate
Tracing.TraceMsg("need to reauthenticate");
throw new GDataForbiddenException("Execution of request returned HttpStatusCode.Forbidden: " +
this.targetUri.ToString() + response.StatusCode.ToString(), this.webResponse);
}
if (response.StatusCode == HttpStatusCode.Conflict) {
// a put went bad due to a version conflict
throw new GDataVersionConflictException("Execution of request returned HttpStatusCode.Conflict: " +
this.targetUri.ToString() + response.StatusCode.ToString(), this.webResponse);
}
if ((this.IfModifiedSince != DateTime.MinValue || this.Etag != null)
&& response.StatusCode == HttpStatusCode.NotModified) {
// Throw an exception for conditional GET
throw new GDataNotModifiedException("Content not modified: " + this.targetUri.ToString(), this.webResponse);
}
if (response.StatusCode == HttpStatusCode.Redirect ||
response.StatusCode == HttpStatusCode.Found ||
response.StatusCode == HttpStatusCode.RedirectKeepVerb) {
Tracing.TraceMsg("throwing for redirect");
throw new GDataRedirectException("Execution resulted in a redirect from " + this.targetUri.ToString(), this.webResponse);
}
if (code > 299) {
// treat everything else over 300 as errors
throw new GDataRequestException("Execution of request returned unexpected result: " + this.targetUri.ToString() +
response.StatusCode.ToString(), this.webResponse);
}
this.contentLength = response.ContentLength;
// if we got an etag back, remember it
this.eTag = response.Headers[GDataRequestFactory.EtagHeader];
response = null;
request = null;
}
}
protected virtual void RequestException(GDataRequestException exception)
{
if (OnRequestException != null)
OnRequestException(this, exception);
}
public static void LogGoogleException(GDataRequestException e)
{
Console.WriteLine("Had the following exception: " + e.Message + " and response string: " + e.ResponseString);
Console.WriteLine(e);
}
/// <summary>Executes the request and prepares the response stream. Also
/// does error checking</summary>
public virtual void Execute()
{
try {
EnsureWebRequest();
// if we ever handed out a stream, we want to close it before doing the real excecution
if (this.requestStream != null)
{
this.requestStream.Close();
}
Tracing.TraceCall("calling the real execution over the webresponse");
LogRequest(this.webRequest);
this.webResponse = this.webRequest.GetResponse();
} catch (WebException e) {
Tracing.TraceCall("GDataRequest::Execute failed: " + this.targetUri.ToString());
GDataRequestException gde = new GDataRequestException("Execution of request failed: " + this.targetUri.ToString(), e);
throw gde;
}
if (this.webResponse != null)
{
this.responseStream = this.webResponse.GetResponseStream();
}
LogResponse(this.webResponse);
if (this.webResponse is HttpWebResponse)
{
HttpWebResponse response = this.webResponse as HttpWebResponse;
HttpWebRequest request = this.webRequest as HttpWebRequest;
this.useGZip = (string.Compare(response.ContentEncoding, "gzip", true, CultureInfo.InvariantCulture) == 0);
if (this.useGZip)
{
this.responseStream = new GZipStream(this.responseStream, CompressionMode.Decompress);
}
Tracing.Assert(response != null, "The response should not be NULL");
Tracing.Assert(request != null, "The request should not be NULL");
int code = (int)response.StatusCode;
Tracing.TraceMsg("Returned ContentType is: " + (response.ContentType == null ? "None" : response.ContentType) + " from URI : " + request.RequestUri.ToString());;
Tracing.TraceMsg("Returned StatusCode is: " + response.StatusCode + code);
if (response.StatusCode == HttpStatusCode.Forbidden)
{
// that could imply that we need to reauthenticate
Tracing.TraceMsg("need to reauthenticate");
throw new GDataForbiddenException("Execution of request returned HttpStatusCode.Forbidden: " +
this.targetUri.ToString() + response.StatusCode.ToString(), this.webResponse);
}
if (response.StatusCode == HttpStatusCode.Conflict)
{
// a put went bad due to a version conflict
throw new GDataVersionConflictException("Execution of request returned HttpStatusCode.Conflict: " +
this.targetUri.ToString() + response.StatusCode.ToString(), this.webResponse);
}
if ((this.IfModifiedSince != DateTime.MinValue || this.Etag != null) &&
response.StatusCode == HttpStatusCode.NotModified)
{
// Throw an exception for conditional GET
throw new GDataNotModifiedException("Content not modified: " + this.targetUri.ToString(), this.webResponse);
}
if (response.StatusCode == HttpStatusCode.Redirect ||
response.StatusCode == HttpStatusCode.Found ||
response.StatusCode == HttpStatusCode.RedirectKeepVerb)
{
Tracing.TraceMsg("throwing for redirect");
throw new GDataRedirectException("Execution resulted in a redirect from " + this.targetUri.ToString(), this.webResponse);
}
if (code > 299)
{
// treat everything else over 300 as errors
throw new GDataRequestException("Execution of request returned unexpected result: " + this.targetUri.ToString() +
response.StatusCode.ToString(), this.webResponse);
}
this.contentLength = response.ContentLength;
// if we got an etag back, remember it
this.eTag = response.Headers[GDataRequestFactory.EtagHeader];
response = null;
request = null;
}
}
public void GDataRequestExceptionConstructorTest()
{
string msg = "TestValue"; // TODO: Initialize to an appropriate value
WebException exception = new WebException();
GDataRequestException target = new GDataRequestException(msg, exception);
Assert.IsNotNull(target);
Assert.AreEqual(msg, target.Message);
Assert.AreEqual(exception, target.InnerException);
}
/// <summary>
/// Parses a GDataRequestException, which wraps the HTTP
/// error responses, into an AppsException.
/// </summary>
/// <param name="e">the GDataRequestException to parse</param>
/// <returns>a new AppsException object. The object's ErrorCode,
/// InvalidInput and Reason properties will be set if the XML
/// in the HTTP response could be parsed, or null otherwise.</returns>
public static AppsException ParseAppsException(GDataRequestException e)
{
AppsException result = null;
if (e == null)
return (null);
if (e.ResponseString == null)
return (null);
try
{
XmlReader reader = new XmlTextReader(e.ResponseString, XmlNodeType.Document, null);
// now find the ErrorElement
while (reader.Read())
if (reader.NodeType == XmlNodeType.Element && reader.LocalName == AppsNameTable.AppsError)
{
result = new AppsException(e);
result.ErrorCode =
reader.GetAttribute(AppsNameTable.AppsErrorErrorCode);
result.InvalidInput =
reader.GetAttribute(AppsNameTable.AppsErrorInvalidInput);
result.Reason =
reader.GetAttribute(AppsNameTable.AppsErrorReason);
break;
}
}
catch (XmlException)
{
}
return result;
}
/// <summary>
/// Constructs a new AppsException to be parsed from the specified
/// GDataRequestException.
/// </summary>
/// <param name="e"></param>
/// <seealso cref="ParseAppsException(GDataRequestException)"/>
public AppsException(GDataRequestException e)
: base("A Google Apps error occurred.", e)
{
this.errorCode = null;
this.invalidInput = null;
this.reason = null;
}
/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
/// <summary>Executes the request and prepares the response stream. Also
/// does error checking</summary>
//////////////////////////////////////////////////////////////////////
public virtual void Execute()
{
try
{
EnsureWebRequest();
// if we ever handed out a stream, we want to close it before doing the real excecution
if (this.requestStream != null)
{
this.requestStream.Close();
}
Tracing.TraceCall("calling the real execution over the webresponse");
this.webResponse = this.webRequest.GetResponse();
}
catch (WebException e)
{
Tracing.TraceCall("GDataRequest::Execute failed: " + this.targetUri.ToString());
GDataRequestException gde = new GDataRequestException("Execution of request failed: " + this.targetUri.ToString(), e);
throw gde;
}
if (this.webResponse != null)
this.responseStream = this.webResponse.GetResponseStream();
if (this.webResponse is HttpWebResponse)
{
HttpWebResponse response = this.webResponse as HttpWebResponse;
HttpWebRequest request = this.webRequest as HttpWebRequest;
this.useGZip = (string.Compare(response.ContentEncoding, "gzip", true) == 0);
if (this.useGZip == true)
this.responseStream = new GZipStream(this.responseStream, CompressionMode.Decompress);
Tracing.Assert(response != null, "The response should not be NULL");
Tracing.Assert(request != null, "The request should not be NULL");
int code = (int)response.StatusCode;
Tracing.TraceMsg("Returned contenttype is: " + (response.ContentType == null ? "None" : response.ContentType) + " from URI : " + request.RequestUri.ToString()); ;
Tracing.TraceMsg("Returned statuscode is: " + response.StatusCode + code);
// check for a returned set-cookie header and store it
if (response != null &&
response.Headers != null)
{
String cookie = response.Headers[GDataRequestFactory.SetCookieHeader];
if (cookie != null)
{
this.factory.Cookie = cookie;
}
}
if (response.StatusCode == HttpStatusCode.Forbidden)
{
// that could imply that we need to reauthenticate
Tracing.TraceMsg("need to reauthenticate");
throw new GDataForbiddenException("Execution of request returned HttpStatusCode.Forbidden: " +
this.targetUri.ToString() + response.StatusCode.ToString(), this.webResponse);
}
if (response.StatusCode == HttpStatusCode.Redirect ||
response.StatusCode == HttpStatusCode.Found ||
response.StatusCode == HttpStatusCode.RedirectKeepVerb)
{
Tracing.TraceMsg("throwing for redirect");
throw new GDataRedirectException("Execution resulted in a redirect from " + this.targetUri.ToString(), this.webResponse);
}
if (request.Method == HttpMethods.Delete && response.StatusCode != HttpStatusCode.OK)
{
Tracing.TraceCall("GDataRequest::Deletion returned unxepected result: " + response.StatusCode.ToString());
throw new GDataRequestException("Execution of DELETE returned unexpected result: " + this.targetUri.ToString(), this.webResponse);
}
if (code > 299)
{
// treat everything else over 300 as errors
throw new GDataRequestException("Execution of request returned unexpected result: " + this.targetUri.ToString() +
response.StatusCode.ToString(), this.webResponse);
}
response = null;
request = null;
}
// now we need to check all kinds of error returns...
}