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Global Event: OnWebServiceExecuteEnd

The OnWebServiceExecuteEnd Event occurs when data is returned from a Web Service Data Source. This Event could be used to decompress or decrypt data being returned from a Web Service Data Source.

Signature

For custom code the args array is structured as follows:

Args[] contains a single string of the data coming from the Web Service in position zero.

For .Net Assemblies the method signature is as follows:

string EventHandlerName(SessionInfo sessionInfo, string webServiceXml)

Expected Return

The OnWebServiceExecuteEnd Event expects a string to be returned.

NOTE. This Event only occurs when the callType Parameter has the value 1.

Example

The following example shows how information from a web service could be decompressed.

byte[] compressedBuffer = Convert.FromBase64String((string)args[0]);
	
using (System.IO.MemoryStream stream = new System.IO.MemoryStream())
{
int uncompressedLength = BitConverter.ToInt32(compressedBuffer, 0);
	stream.Write(compressedBuffer, 4, compressedBuffer.Length - 4);
	byte[] uncompressedBuffer = new byte[uncompressedLength];
stream.Position = 0;
	using (System.IO.Compression.GZipStream compress = new System.IO.Compression.GZipStream(stream, System.IO.Compression.CompressionMode.Decompress))
	{
		compress.Read(uncompressedBuffer, 0, uncompressedBuffer.Length);
		compress.Close();
		return System.Text.Encoding.UTF8.GetString(uncompressedBuffer);
	}
}

 


Hidden Article Information

Article Author
Exago Development
created 2017-02-21 15:53:21 UTC
updated 2017-06-27 14:43:01 UTC

Labels
Server Events, web services, data, event handlers, list of server events, webservice, execute, web, service, webserviceexecuteend, executeend, end, retrieved, execution,
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