public IBaseMessage Execute(IPipelineContext pContext, IBaseMessage pInMsg)
{
String value = null;
bool suspend = false;
IBaseMessagePart bodyPart = pInMsg.BodyPart;
Stream inboundStream = bodyPart.GetOriginalDataStream();
VirtualStream virtualStream = new VirtualStream(VirtualStream.MemoryFlag.AutoOverFlowToDisk);
ReadOnlySeekableStream readOnlySeekableStream = new ReadOnlySeekableStream(inboundStream, virtualStream);
XmlTextReader xmlTextReader = new XmlTextReader(readOnlySeekableStream);
XPathCollection xPathCollection = new XPathCollection();
XPathReader xPathReader = new XPathReader(xmlTextReader, xPathCollection);
xPathCollection.Add(XPath);
while (xPathReader.ReadUntilMatch())
{
if (xPathReader.Match(0))
{
if (xPathReader.NodeType == XmlNodeType.Attribute)
{
value = xPathReader.GetAttribute(xPathReader.Name);
}
else
{
value = xPathReader.ReadString();
}
break;
}
}
suspend = ScriptExpressionHelper.ValidateExpression(value, Expression);
if (suspend)
{
readOnlySeekableStream.Position = 0;
pContext.ResourceTracker.AddResource(readOnlySeekableStream);
bodyPart.Data = readOnlySeekableStream;
pInMsg.Context.Write("SuspendAsNonResumable", "http://schemas.microsoft.com/BizTalk/2003/system-properties", true);
pInMsg.Context.Write("SuppressRoutingFailureDiagnosticInfo", "http://schemas.microsoft.com/BizTalk/2003/system-properties", true);
throw new Exception(String.Format("Expression {0} {1} did not evaluate to true", value, Expression));
}
else
{
pInMsg = null;
}
return(pInMsg);
}
public IBaseMessage Execute(IPipelineContext pContext, IBaseMessage pInMsg)
{
IBaseMessagePart bodyPart = pInMsg.BodyPart;
bool found = false;
string value = string.Empty;
string evalString = string.Empty;
Stream inboundStream = bodyPart.GetOriginalDataStream();
VirtualStream virtualStream = new VirtualStream(VirtualStream.MemoryFlag.AutoOverFlowToDisk);
ReadOnlySeekableStream readOnlySeekableStream = new ReadOnlySeekableStream(inboundStream, virtualStream);
XmlTextReader xmlTextReader = new XmlTextReader(readOnlySeekableStream);
XPathCollection xPathCollection = new XPathCollection();
XPathReader xPathReader = new XPathReader(xmlTextReader, xPathCollection);
int lastxpath = XPath.LastIndexOf("][");
if (lastxpath > -1)
{
evalString = XPath.Substring(lastxpath + 2, XPath.LastIndexOf(']') - (lastxpath + 2));
XPath = XPath.Substring(0, lastxpath + 1);
if (evalString.Contains("text(") || evalString.Contains("number("))
{
evalString = evalString.Substring(evalString.IndexOf(')') + 1);
}
evalString = replaceHTMLOpearators(evalString);
if (evalString.Contains(" = "))//c# equal sign
{
evalString = evalString.Replace("=", "==");
}
}
xPathCollection.Add(XPath);
while (xPathReader.ReadUntilMatch())
{
if (xPathReader.Match(0))
{
if (evalString != string.Empty)
{
if (xPathReader.NodeType == XmlNodeType.Attribute)
{
value = xPathReader.GetAttribute(xPathReader.Name);
}
else
{
value = xPathReader.ReadString();
}
string literal = String.Empty;
if (evalString.Contains("'"))
{
literal = "\"";
evalString = evalString.Replace("'", "\"");
}
found = ScriptExpressionHelper.ValidateExpression(String.Format("{0}{1}{0}", literal, value), evalString);
}
else
{
found = true;
}
break;
}
}
readOnlySeekableStream.Seek(0, SeekOrigin.Begin);
pInMsg.BodyPart.Data = readOnlySeekableStream;
if (found)
{
pInMsg = null;
}
return(pInMsg);
}
