PolicyConversionContext ExportPolicy(ServiceEndpoint endpoint, WSBinding binding)
{
var context = new CustomPolicyConversionContext(endpoint);
var elements = endpoint.Binding.CreateBindingElements();
foreach (var element in elements)
{
var exporter = element as IPolicyExportExtension;
if (exporter == null)
{
continue;
}
try {
exporter.ExportPolicy(this, context);
} catch (Exception ex) {
var error = AddError(
"Failed to export endpoint '{0}': policy exporter " +
"'{1}' threw an exception: {2}", endpoint.Name,
element.GetType(), ex);
throw new MetadataExportException(error, ex);
}
}
var assertions = context.GetBindingAssertions();
if (assertions.Count == 0)
{
return(context);
}
var doc = new XmlDocument();
var policy = doc.CreateElement("wsp", "Policy", PolicyImportHelper.PolicyNS);
doc.AppendChild(policy);
var exactlyOne = doc.CreateElement("wsp", "ExactlyOne", PolicyImportHelper.PolicyNS);
var all = doc.CreateElement("wsp", "All", PolicyImportHelper.PolicyNS);
policy.AppendChild(exactlyOne);
exactlyOne.AppendChild(all);
foreach (var assertion in assertions)
{
var imported = doc.ImportNode(assertion, true);
all.AppendChild(imported);
}
binding.Extensions.Add(policy);
return(context);
}
PolicyConversionContext ExportPolicy (ServiceEndpoint endpoint, WSBinding binding)
{
var context = new CustomPolicyConversionContext (endpoint);
var elements = endpoint.Binding.CreateBindingElements ();
foreach (var element in elements) {
var exporter = element as IPolicyExportExtension;
if (exporter == null)
continue;
try {
exporter.ExportPolicy (this, context);
} catch (Exception ex) {
var error = AddError (
"Failed to export endpoint '{0}': policy exporter " +
"'{1}' threw an exception: {2}", endpoint.Name,
element.GetType (), ex);
throw new MetadataExportException (error, ex);
}
}
var assertions = context.GetBindingAssertions ();
if (assertions.Count == 0)
return context;
var doc = new XmlDocument ();
var policy = doc.CreateElement ("wsp", "Policy", PolicyImportHelper.PolicyNS);
doc.AppendChild (policy);
var exactlyOne = doc.CreateElement ("wsp", "ExactlyOne", PolicyImportHelper.PolicyNS);
var all = doc.CreateElement ("wsp", "All", PolicyImportHelper.PolicyNS);
policy.AppendChild (exactlyOne);
exactlyOne.AppendChild (all);
foreach (var assertion in assertions) {
var imported = doc.ImportNode (assertion, true);
all.AppendChild (imported);
}
binding.Extensions.Add (policy);
return context;
}
void ImportPolicy (WSBinding binding, ServiceEndpoint endpoint)
{
var context = new Description.CustomPolicyConversionContext (binding, endpoint);
var assertions = context.GetBindingAssertions ();
foreach (var ext in binding.Extensions) {
var xml = ext as XmlElement;
if (xml == null)
continue;
if (!xml.NamespaceURI.Equals (Constants.WspNamespace))
continue;
if (xml.LocalName.Equals ("Policy")) {
context.AddPolicyAssertion (xml);
continue;
}
if (!xml.LocalName.Equals ("PolicyReference"))
continue;
var uri = xml.GetAttribute ("URI");
if (!uri.StartsWith ("#")) {
// FIXME
AddWarning (
"Failed to resolve unknown policy reference `{0}' for " +
"binding `{1}'.", uri, binding.Name);
continue;
}
foreach (var sext in binding.ServiceDescription.Extensions) {
var sxml = sext as XmlElement;
if (sxml == null)
continue;
if (!sxml.NamespaceURI.Equals (Constants.WspNamespace))
continue;
if (!sxml.LocalName.Equals ("Policy"))
continue;
var id = sxml.GetAttribute ("Id", Constants.WsuNamespace);
if (!uri.Substring (1).Equals (id))
continue;
context.AddPolicyAssertion (sxml);
}
}
foreach (IPolicyImportExtension extension in PolicyImportExtensions) {
try {
extension.ImportPolicy (this, context);
} catch (Exception ex) {
AddWarning (
"PolicyImportException `{0}' threw an exception while " +
"trying to import policy references for endpoint `{1}': {2}",
extension.GetType ().Name, endpoint.Name, ex.Message);
}
}
}