/// <summary>
/// Removes the specified characters from the message.
/// </summary>
/// <param name="pipelineContext">Pipeline context</param>
/// <param name="inputMessage">Input message</param>
/// <returns>Original input message</returns>
protected override IBaseMessage Execute(IPipelineContext pipelineContext, IBaseMessage inputMessage)
{
if (inputMessage.BodyPart != null)
{
if (this.SourceEncoding != this.TargetEncoding)
{
TraceProvider.Logger.TraceInfo("Transcoding message stream from '{0}' to '{1}'", this.SourceEncoding.WebName, this.TargetEncoding.WebName);
// assign a new TranscodingStream to the incoming message
Stream originalStream = inputMessage.BodyPart.GetOriginalDataStream();
Stream transcodeStream = new TranscodingStream(originalStream, this.SourceEncoding, this.TargetEncoding, this.BufferSize);
// return the message for downstream pipeline components (further down in the pipeline)
inputMessage.BodyPart.Data = transcodeStream;
pipelineContext.ResourceTracker.AddResource(transcodeStream);
}
else
{
TraceProvider.Logger.TraceInfo("Source and target encoding are the same. Skip transcoding: Souce = '{0}', Target = '{1}'", this.SourceEncoding.WebName, this.TargetEncoding.WebName);
}
}
else
{
TraceProvider.Logger.TraceInfo("Message has no body part, exiting");
}
// return original message
return(inputMessage);
}
public void Decode_And_Encode_Same_Encoding_UTF8()
{
const string value = "ABCDEFGHØþ";
var bytesUtf8 = Encoding.UTF8.GetBytes(value);
var output = new byte[bytesUtf8.Length];
Stream after = new TranscodingStream(new MemoryStream(bytesUtf8), Encoding.UTF8, Encoding.UTF8);
var count = after.Read(output, 0, 40);
Assert.IsTrue(ByteArrayCompare(output, bytesUtf8));
}
public void MultiByteCharactersInSourceStreamDoNotGetLostStreaming()
{
const string value = "Øþ";
var bytesUtf8 = Encoding.UTF8.GetBytes(value);
var expected = new byte[] { 0xD8, 0xFE };
Stream after = new TranscodingStream(new MemoryStream(bytesUtf8), Encoding.GetEncoding(1252), Encoding.UTF8);
Assert.IsTrue(ByteArrayCompare(StreamToArray(after), expected));
}
public void Decode_1252_And_Encode_UTF32()
{
const string value = "AØþ";
var bytesUtf32 = Encoding.UTF32.GetBytes(value);
var bytes1252 = Encoding.GetEncoding(1252).GetBytes(value);
var output = new byte[bytesUtf32.Length];
Stream after = new TranscodingStream(new MemoryStream(bytes1252), Encoding.UTF32, Encoding.GetEncoding(1252));
Assert.IsTrue(ByteArrayCompare(StreamToArray(after), bytesUtf32));
}
public void NoFullRead2()
{
const string value = "BAA";
var bytesUtf8 = Encoding.UTF8.GetBytes(value);
var expected = new byte[] { 0x00, 0x42 };
var output = new byte[2];
Stream after = new TranscodingStream(new MemoryStream(bytesUtf8), Encoding.UTF8, Encoding.UTF8);
var count = after.Read(output, 1, 1);
Assert.IsTrue(ByteArrayCompare(output, expected));
}
public void EmptyWrite()
{
const string value = "";
var bytesUtf8 = Encoding.UTF8.GetBytes(value);
var expected = new byte[] { 0x41 };
var output = new byte[9];
Stream after = new TranscodingStream(new MemoryStream(bytesUtf8), Encoding.GetEncoding(1252), Encoding.UTF8);
var count = after.Read(output, 0, 1);
Assert.AreEqual(0, after.Read(output, 0, 1));
}
public void IdisposableTest2()
{
const string value = "BAA";
var bytesUtf8 = Encoding.UTF8.GetBytes(value);
Stream inStream = new MemoryStream(bytesUtf8);
Stream after = new TranscodingStream(inStream, Encoding.UTF8, Encoding.UTF8);
after.Close();
var length = inStream.Length;
}
public void SourceStreamIsShorterThanDestinationStream()
{
const string value = "A";
var bytesUtf8 = Encoding.UTF8.GetBytes(value);
var expected = new byte[100];
expected[0] = 0x41;
var output = new byte[100];
Stream after = new TranscodingStream(new MemoryStream(bytesUtf8), Encoding.GetEncoding(1252), Encoding.UTF8);
var count = after.Read(output, 0, 100);
Assert.IsTrue(ByteArrayCompare(output, expected));
}
public void IdisposableTest()
{
const string value = "BAA";
var bytesUtf8 = Encoding.UTF8.GetBytes(value);
Stream inStream = new MemoryStream(bytesUtf8);
using (Stream after = new TranscodingStream(inStream, Encoding.UTF8, Encoding.UTF8))
{
while (after.ReadByte() != -1)
{
}
}
var length = inStream.Length;
}
