/// <summary>
/// Method which executes the BRE Policy which is configured using the config and resolver connection string
/// </summary>
/// <param name="config">string containing name, value property values</param>
/// <param name="resolver">Resolver connection string</param>
/// <param name="message">Xml document containing the message to pass to the BRE policies if configured properly</param>
/// <param name="resolution">Resolution object</param>
/// <param name="bre">BRE Descriptor object</param>
/// <param name="ctxtValues">Dictionary collection of BizTalk Message Context property value pairs</param>
/// <param name="pCtxt">BizTalk Pipeline Context</param>
/// <param name="baseMsg">BizTalk BaseMessage</param>
/// <returns>Resolver Dictionary Collection containing resolved entries, such as itinerary name, map name, and endpoint address resolution values</returns>
private static Dictionary <string, string> ResolveRules(string config, string resolver, XmlDocument message, Resolution resolution, BRE bre, Dictionary <string, string> ctxtValues, IPipelineContext pCtxt, ref IBaseMessage baseMsg)
{
Dictionary <string, string> dictionary3;
int num = 0;
int num2 = 0;
Policy policy = null;
Dictionary <string, string> dictionary = null;
string[] strArray = null;
object[] objArray = null;
TypedXmlDocument document = null;
ItineraryFact itineraryInfo = new ItineraryFact();
string documentSpecNameField = "Microsoft.Practices.ESB.ResolveProviderMessage";
Dictionary <string, string> resolverDictionary = new Dictionary <string, string>();
if (!resolver.Contains(@":\"))
{
resolver = resolver + @":\";
}
try
{
EventLogger.Write("Resolution strong name is {0}.", new object[] { resolution.DocumentSpecNameField });
if (!string.IsNullOrEmpty(resolution.DocumentSpecNameField) && bre.recognizeMessageFormat)
{
int index = resolution.DocumentSpecNameField.IndexOf(",", StringComparison.CurrentCultureIgnoreCase);
if ((index > 0) && (index < resolution.DocumentSpecNameField.Length))
{
documentSpecNameField = resolution.DocumentSpecNameField.Substring(0, index);
}
else
{
documentSpecNameField = resolution.DocumentSpecNameField;
}
}
// add root node as non promoted value for purpose of using with Orchestrations if needed
if (ctxtValues == null)
{
ctxtValues = new Dictionary <string, string>();
}
ctxtValues.Add("Microsoft.Practices.ESB.ResolveProviderMessage#RootNode", message.DocumentElement.LocalName.ToUpperInvariant());
MessageContextFactRetriever customFactRetriever = new MessageContextFactRetriever(ctxtValues);
EventLogger.Write("DocType for typed xml document is {0}.", new object[] { documentSpecNameField });
if (!string.IsNullOrEmpty(bre.version))
{
strArray = bre.version.Split(".".ToCharArray());
if (strArray != null)
{
num = Convert.ToInt16(strArray[0], NumberFormatInfo.CurrentInfo);
num2 = Convert.ToInt16(strArray[1], NumberFormatInfo.CurrentInfo);
}
}
if (bre.useMsg)
{
EventLogger.Write("Xml document Content is {0}.", message.OuterXml);
objArray = new object[4];
document = new TypedXmlDocument(documentSpecNameField, message);
objArray[0] = resolution;
objArray[1] = document;
objArray[2] = itineraryInfo;
objArray[3] = customFactRetriever;
}
else
{
objArray = new object[] { resolution, itineraryInfo, customFactRetriever };
}
bool useDebugInterceptor = false;
string outputPath = string.Empty;
if (bre.useDebugInterceptorSpecified)
{
useDebugInterceptor = bre.useDebugInterceptor;
outputPath = bre.debugOutputPath;
policyExecutor = new PolicyExecutor(useDebugInterceptor, outputPath);
}
else
{
policyExecutor = new PolicyExecutor(false, string.Empty);
}
// Check to see if we need to use the Policy Broker
if (bre.usePolicyBrokerSpecified)
{
if (bre.usePolicyBroker)
{
PolicyBroker broker = new PolicyBroker(useDebugInterceptor, outputPath);
PolicyBrokerInfoCollection _policyInfos = broker.GetPolicies(message, resolution, bre.policy, itineraryInfo, customFactRetriever, num, num2);
foreach (var policyBrokerInfo in _policyInfos.PolicyInfos)
{
var policyInfo = policyBrokerInfo.Value;
int foundPolicyMajor = 0;
int foundPolicyMinor = 0;
strArray = policyInfo.Version.Split(".".ToCharArray());
if (strArray != null)
{
foundPolicyMajor = Convert.ToInt16(strArray[0], NumberFormatInfo.CurrentInfo);
foundPolicyMinor = Convert.ToInt16(strArray[1], NumberFormatInfo.CurrentInfo);
}
policyExecutor.ExecutePolicy(policyInfo.PolicyName, objArray, foundPolicyMajor, foundPolicyMinor);
}
}
else
{
// don't use policy broker
policyExecutor.ExecutePolicy(bre.policy, objArray, num, num2);
}
}
else
{
// don't use policy broker
policyExecutor.ExecutePolicy(bre.policy, objArray, num, num2);
}
if (objArray[0] == null)
{
throw new ResolveException("Resolution is not configured correctly after applying BRE Custom Resolver;\nPlease check the Business Rule Policy");
}
// Check for Itinerary fact values
SetAllResolutionDictionaryEntries(objArray, resolverDictionary, bre);
dictionary3 = resolverDictionary;
if (bre.useMsg)
{
TypedXmlDocument doc = (TypedXmlDocument)objArray[1];
dictionary3.Add("message", doc.Document.OuterXml);
if (bre.useMsgCtxt)
{
MessageContextFactRetriever customRetriever = (MessageContextFactRetriever)objArray[3];
dictionary3.Add("contextValues", GetContextValuesString(customRetriever.GetDictionaryCollection()));
// Update the context properties
UpdateContextProperties(customRetriever, bre, pCtxt, ref baseMsg);
}
// Modify the Current Message in pipeline context
UpdateMessage(doc.Document.OuterXml, pCtxt, ref baseMsg);
}
else
{
if (bre.useMsgCtxt)
{
MessageContextFactRetriever customRetriever = (MessageContextFactRetriever)objArray[2];
dictionary3.Add("contextValues", GetContextValuesString(customRetriever.GetDictionaryCollection()));
// Update the context properties
UpdateContextProperties(customRetriever, bre, pCtxt, ref baseMsg);
}
}
}
catch (Exception exception)
{
EventLogger.Write(MethodBase.GetCurrentMethod(), exception);
throw;
}
finally
{
if (objArray != null)
{
objArray = null;
}
if (document != null)
{
document = null;
}
if (resolution != null)
{
resolution = null;
}
if (bre != null)
{
bre = null;
}
if (strArray != null)
{
strArray = null;
}
if (policy != null)
{
policy.Dispose();
policy = null;
}
if (dictionary != null)
{
dictionary.Clear();
dictionary = null;
}
if (resolverDictionary != null)
{
resolverDictionary = null;
}
if (ctxtValues != null)
{
ctxtValues = null;
}
}
return(dictionary3);
}
/// <summary>
/// Updates the BizTalk BaseMessage and Message Context with any new or modified values from the executed BRE Policies.
/// </summary>
/// <param name="msgCtxt">BizTalk BaseMessage Context value collection to update</param>
/// <param name="bre">BRE Descriptor with possible values to read for updating the Message context</param>
/// <param name="pCtxt">PipelineContext</param>
/// <param name="baseMsg">BizTalk BaseMessage to update</param>
private static void UpdateContextProperties(MessageContextFactRetriever msgCtxt, BRE bre, IPipelineContext pCtxt, ref IBaseMessage baseMsg)
{
try
{
if (pCtxt == null || baseMsg == null)
{
return;
}
IBaseMessageContext baseMsgCtxt = baseMsg.Context;
foreach (var updatedCtxt in msgCtxt.GetDictionaryCollection())
{
string[] NameNameSpaceValues = updatedCtxt.Key.Split('#');
// no need to check for old values just overwrite and add
// Check to see if we need to promote it
string name = NameNameSpaceValues[1];
bool shouldPromote = name.Contains("!");
bool isDistinguished = name.Contains("/");
string namesp = NameNameSpaceValues[0];
// check to determine if we should promote and not distinguished
if (shouldPromote && !isDistinguished)
{
string correctName = name;
// remove ! char from key name before promoting
if (shouldPromote)
{
correctName = name.Substring(0, name.Length - 1);
}
// however check to see if already promoted or not
bool isAlreadyPromoted = false;
var ovalue = baseMsgCtxt.Read(correctName, namesp);
if (ovalue != null)
{
isAlreadyPromoted = baseMsgCtxt.IsPromoted(correctName, namesp);
}
if (ovalue != null && isAlreadyPromoted)
{
// we need to remove and re - promote
baseMsgCtxt.Write(correctName, namesp, null);
baseMsgCtxt.Promote(correctName, namesp, null);
baseMsgCtxt.Promote(correctName, namesp, updatedCtxt.Value);
}
else
{
// it's not already promoted and we should promote if we can,
// this assumes there is a valid property schema, name, and data type associated with it for promotion validation...
// dangerous operation which could cause cyclic loop by re-promoting a property that was slated to be demoted *wasPromote*...
if (bre.useRepromotionSpecified)
{
if (bre.useRepromotion)
{
try
{
baseMsgCtxt.Write(correctName, namesp, null);
baseMsgCtxt.Promote(correctName, namesp, null);
baseMsgCtxt.Promote(correctName, namesp, updatedCtxt.Value);
}
catch (Exception ex)
{
EventLogger.LogMessage(
string.Format(
"Namespace: {0}\nName: {1}\n caused an exception:\n{2}\nThis item was not promoted.",
namesp, correctName, ex.Message), EventLogEntryType.Error, 1000);
}
}
}
}
}
else if (shouldPromote && isDistinguished)
{
// can't promote a distinguished field that contains a "/" in it's name, there's no way for BizTalk to validate it using normal BizTalk Property Schemas...
// do nothing.
}
else if (isDistinguished)
{
// We don't need to promote it, only write it (Distinguished)
// we need to remove and re-write it
baseMsgCtxt.Write(name, namesp, null);
baseMsgCtxt.Write(name, namesp, updatedCtxt.Value);
}
//else niether promote nore write so do nothing...
}
pCtxt.ResourceTracker.AddResource(baseMsgCtxt);
}
catch (Exception ex)
{
EventLog.WriteEntry("BRE_ResolverProvider::UpdateContextProperties", ex.ToString(),
EventLogEntryType.Error, 10000);
throw;
}
}