/// <summary>
///
/// </summary>
public override void ExecuteToStream(Stream stream)
{
// handshake should be ran before and there should not be error
if (_webData == null || LastStatus == LastStatus.Error)
{
return;
}
// process type
DataTypeToProcess processType = DataTypeToProcess;
// gets mime type of content type
MimeContentType contentMimeType = _webData.ResponseInfo.ContentTypeMime;
// detecting processing method by response content type
if (processType == DataTypeToProcess.AutoDetect)
{
// gets its process type
processType = Common.MimeTypeToToProcessType(contentMimeType);
}
IDataProcessor dataProcessor = null;
switch (processType)
{
case DataTypeToProcess.AutoDetect:
break;
case DataTypeToProcess.Html:
dataProcessor = (IDataProcessor)Providers.GetProvider(ProviderType.IHtmlProcessor);
break;
case DataTypeToProcess.JavaScript:
dataProcessor = (IDataProcessor)Providers.GetProvider(ProviderType.IJSProcessor);
break;
case DataTypeToProcess.Css:
dataProcessor = (IDataProcessor)Providers.GetProvider(ProviderType.ICssProcessor);
break;
case DataTypeToProcess.AdobeFlash:
// still nothing
case DataTypeToProcess.None:
break;
default:
break;
}
if (dataProcessor != null)
{
// 3- executing the plugins
if (_isPluginAvailable)
{
Plugins.CallPluginMethod(PluginHosts.IPluginEngine,
PluginMethods.IPluginEngine.BeforeProcessor,
this, dataProcessor);
}
// Web data instance
dataProcessor.WebData = _webData;
// executes the process
string response = dataProcessor.Execute();
// If execution occurred
if (dataProcessor.LastStatus == LastStatus.Error)
{
LastStatus = LastStatus.Error;
LastErrorMessage = dataProcessor.LastErrorMessage;
LastException = dataProcessor.LastException;
return;
}
else if (dataProcessor.LastStatus == LastStatus.ContinueWithError)
{
LastStatus = LastStatus.ContinueWithError;
LastErrorMessage = dataProcessor.LastErrorMessage;
LastException = dataProcessor.LastException;
}
// processed content encoding
ResponseInfo.ContentEncoding = dataProcessor.ContentEncoding;
ResponseInfo.ContentLength = response.Length;
// Html specifies
if (processType == DataTypeToProcess.Html && dataProcessor is IHtmlProcessor)
{
IHtmlProcessor htmlProcessor = (IHtmlProcessor)dataProcessor;
ResponseInfo.HtmlPageTitle = htmlProcessor.PageTitle;
ResponseInfo.HtmlIsFrameSet = htmlProcessor.IsFrameSet;
ResponseInfo.ExtraCodesForPage = htmlProcessor.ExtraCodesForPage;
ResponseInfo.ExtraCodesForBody = htmlProcessor.ExtraCodesForBody;
ResponseInfo.HtmlDocType = htmlProcessor.DocType;
}
// 4- executing the plugins
if (_isPluginAvailable)
{
Plugins.CallPluginMethod(PluginHosts.IPluginEngine,
PluginMethods.IPluginEngine.AfterProcessor,
this);
}
// the processed content
byte[] streamBuff = ResponseInfo.ContentEncoding.GetBytes(response);
stream.Write(streamBuff, 0, streamBuff.Length);
}
else
{
// used to resolvent mime processing conflict
bool ContinueNonMime = true;
// if response is a image
if ((UserOptions.ImageCompressor) &&
(contentMimeType == MimeContentType.image_gif || contentMimeType == MimeContentType.image_jpeg))
{
using (MemoryStream imgMem = ImageCompressor.CompressImage(
_webData.ResponseData))
{
// check if compression is decreased size of data
if (imgMem.Length < _webData.ResponseData.Length)
{
ContinueNonMime = false;
// write the image to result
imgMem.WriteTo(stream);
}
else
{
// Oops! the original image is smaller
ContinueNonMime = true;
}
}
}
// can process other types?
if (ContinueNonMime)
{
if (processType == DataTypeToProcess.None &&
_webData.ResponseData is MemoryStream)
{
MemoryStream mem = (MemoryStream)_webData.ResponseData;
if (mem.Length > 0)
{
mem.WriteTo(stream);
}
}
else if (processType == DataTypeToProcess.None)
{
int readed = -1;
const int blockSize = 1024 * 5;
byte[] buffer = new byte[blockSize];
while ((int)(readed = _webData.ResponseData.Read(buffer, 0, blockSize)) > 0)
{
stream.Write(buffer, 0, readed);
}
}
else
{
Encoding contentEncoding;
// Reads response stream to a string
string response = StringStream.GetString(
_webData.ResponseData,
WebData.ResponseInfo.ContentType,
UserOptions.ForceEncoding,
false,
out contentEncoding);
ResponseInfo.ContentEncoding = contentEncoding;
ResponseInfo.ContentLength = response.Length;
byte[] streamBuff = ResponseInfo.ContentEncoding.GetBytes(response);
stream.Write(streamBuff, 0, streamBuff.Length);
}
}
}
}
/// <summary>
///
/// </summary>
public override string ExecuteToString()
{
// hanshake should be ran before and there should not be error
if (_webData == null || LastStatus == LastStatus.Error)
{
return(String.Empty);
}
// process type
DataTypeToProcess processType = DataTypeToProcess;
// gets mime type of content type
MimeContentType contentMimeType = _webData.ResponseInfo.ContentTypeMime;
// detecting processing method by response content type
if (processType == DataTypeToProcess.AutoDetect)
{
// gets its process type
processType = Common.MimeTypeToToProcessType(contentMimeType);
}
if (processType == DataTypeToProcess.Html && Systems.LogSystem.ActivityLogEnabled)
{
Systems.LogSystem.Log(LogEntity.UrlRequested, ResponseInfo.ResponseUrl);
}
IDataProcessor dataProcessor = null;
switch (processType)
{
case DataTypeToProcess.AutoDetect:
break;
case DataTypeToProcess.Html:
dataProcessor = (IDataProcessor)Providers.GetProvider(ProviderType.IHtmlProcessor);
break;
case DataTypeToProcess.JavaScript:
dataProcessor = (IDataProcessor)Providers.GetProvider(ProviderType.IJSProcessor);
break;
case DataTypeToProcess.Css:
dataProcessor = (IDataProcessor)Providers.GetProvider(ProviderType.ICssProcessor);
break;
case DataTypeToProcess.AdobeFlash:
// still nothing
default:
break;
}
if (dataProcessor != null)
{
// 3- executing the plugins
if (_isPluginAvailable)
{
Plugins.CallPluginMethod(PluginHosts.IPluginEngine,
PluginMethods.IPluginEngine.BeforeProcessor,
this, dataProcessor);
}
// Web data instance
dataProcessor.WebData = _webData;
// executes the process
string response = dataProcessor.Execute();
// If execution occurred
if (dataProcessor.LastStatus == LastStatus.Error)
{
LastStatus = LastStatus.Error;
LastErrorMessage = dataProcessor.LastErrorMessage;
LastException = dataProcessor.LastException;
return(response);
}
else if (dataProcessor.LastStatus == LastStatus.ContinueWithError)
{
LastStatus = LastStatus.ContinueWithError;
LastErrorMessage = dataProcessor.LastErrorMessage;
LastException = dataProcessor.LastException;
}
// processed content encoding
ResponseInfo.ContentEncoding = dataProcessor.ContentEncoding;
ResponseInfo.ContentLength = response.Length;
// Html specifies
if (processType == DataTypeToProcess.Html && dataProcessor is IHtmlProcessor)
{
IHtmlProcessor htmlProcessor = (IHtmlProcessor)dataProcessor;
ResponseInfo.HtmlPageTitle = htmlProcessor.PageTitle;
ResponseInfo.HtmlIsFrameSet = htmlProcessor.IsFrameSet;
ResponseInfo.ExtraCodesForPage = htmlProcessor.ExtraCodesForPage;
ResponseInfo.ExtraCodesForBody = htmlProcessor.ExtraCodesForBody;
ResponseInfo.HtmlDocType = htmlProcessor.DocType;
}
// 4- executing the plugins
if (_isPluginAvailable)
{
Plugins.CallPluginMethod(PluginHosts.IPluginEngine,
PluginMethods.IPluginEngine.AfterProcessor,
this);
}
// the processed content
return(response);
}
else
{
Encoding contentEncoding;
// Reads response stream to a string
string response = StringStream.GetString(
_webData.ResponseData,
WebData.ResponseInfo.ContentType,
UserOptions.ForceEncoding,
false,
out contentEncoding);
ResponseInfo.ContentEncoding = contentEncoding;
ResponseInfo.ContentLength = response.Length;
return(response);
}
}