public EvaluationResult evaluateExpression(XmlElement expressionDoc, IContext context)
{
// first deserialize expression into a RequiresTopic instance
RequiresTopic expression = null;
try
{
XmlNodeReader reader = new XmlNodeReader(expressionDoc);
expression = (RequiresTopic)serializer.Deserialize(reader);
}
catch (Exception e)
{
throw new PolicyManagerException("Could not deserialize RequiresTopic node", e);
}
// check if we should do a direct or regular expression match
bool isMatch;
if (expression.IsRegexSpecified && expression.IsRegex)
{
// do regex match
Regex regex = new Regex(expression.Topic, RegexOptions.IgnoreCase);
isMatch = regex.IsMatch(context.Topic, 0);
}
else
{
// do direct match
isMatch = context.Topic.ToLower().Equals(expression.Topic.ToLower());
}
string match = "\"" + expression.Topic + "\" " +
(expression.IsRegexSpecified && expression.IsRegex ? "(regex match)" : "(exact match)");
if (isMatch)
{
return(new EvaluationResult(TAG, true, "Context topic matches " + match));
}
else
{
return(new EvaluationResult(TAG, false, "Context topic does NOT match " + match));
}
}
public static void Main(String[] args)
{
RequiresTopic rt = new RequiresTopic();
rt.Topic = "foobar";
RequiresParticipants rp = new RequiresParticipants();
rp.Participant = new String[] { "joe", "bob" };
All all = new All();
all.Any = new XmlElement[] { Util.getXmlElement(rt), Util.getXmlElement(rp) };
Policy policy = new Policy();
policy.Any = Util.getXmlElement(all);
StreamWriter writer = new StreamWriter("testpolicy2.xml");
Util.serialize(policy, writer);
writer.Close();
Console.Out.WriteLine("done");
}