public String ResolveAttributeExpression(String expression, IHandlerContext handlerContext)
{
String text = expression;
int leftMarkerIndex = text.IndexOf(LEFT_MARKER);
int rightMarkerIndex = text.IndexOf(RIGHT_MARKER, leftMarkerIndex + LEFT_MARKER.Length);
while ((leftMarkerIndex != - 1) && (rightMarkerIndex != - 1))
{
String attributeName = text.Substring(leftMarkerIndex + LEFT_MARKER.Length, (rightMarkerIndex) - (leftMarkerIndex + LEFT_MARKER.Length)).Trim();
try
{
Object attribute = handlerContext.GetAttribute(attributeName);
if (attribute != null)
{
String attributeString = attribute.ToString();
text = text.Substring(0, leftMarkerIndex) + attributeString + text.Substring(rightMarkerIndex + RIGHT_MARKER.Length);
rightMarkerIndex = rightMarkerIndex + attributeString.Length - attributeName.Length - LEFT_MARKER.Length - RIGHT_MARKER.Length;
}
}
catch (Exception e)
{
log.Debug("attribute '" + attributeName + "' could not be resolved in attribute expression '" + expression + "'. Exception: " + e.Message);
}
leftMarkerIndex = text.IndexOf(LEFT_MARKER, rightMarkerIndex + RIGHT_MARKER.Length);
rightMarkerIndex = text.IndexOf(RIGHT_MARKER, leftMarkerIndex + LEFT_MARKER.Length);
}
return text;
}
public String ResolveAttributeExpression(String expression, IHandlerContext handlerContext)
{
String text = expression;
int leftMarkerIndex = text.IndexOf(LEFT_MARKER);
int rightMarkerIndex = text.IndexOf(RIGHT_MARKER, leftMarkerIndex + LEFT_MARKER.Length);
while ((leftMarkerIndex != -1) && (rightMarkerIndex != -1))
{
String attributeName = text.Substring(leftMarkerIndex + LEFT_MARKER.Length, (rightMarkerIndex) - (leftMarkerIndex + LEFT_MARKER.Length)).Trim();
try
{
Object attribute = handlerContext.GetAttribute(attributeName);
if (attribute != null)
{
String attributeString = attribute.ToString();
text = text.Substring(0, leftMarkerIndex) + attributeString + text.Substring(rightMarkerIndex + RIGHT_MARKER.Length);
rightMarkerIndex = rightMarkerIndex + attributeString.Length - attributeName.Length - LEFT_MARKER.Length - RIGHT_MARKER.Length;
}
}
catch (Exception e)
{
log.Debug("attribute '" + attributeName + "' could not be resolved in attribute expression '" + expression + "'. Exception: " + e.Message);
}
leftMarkerIndex = text.IndexOf(LEFT_MARKER, rightMarkerIndex + RIGHT_MARKER.Length);
rightMarkerIndex = text.IndexOf(RIGHT_MARKER, leftMarkerIndex + LEFT_MARKER.Length);
}
return(text);
}
public IActor ResolveArgumentRole(IActor resolvedActor, string[] parameters, IHandlerContext handlerContext)
{
if (parameters.Length != 1)
{
throw new SystemException("argument role expects exactly one parameter (role-name) instead of " + parameters.Length);
}
IActor actor = null;
if (resolvedActor == null)
{
try
{
actor = (IActor)handlerContext.GetAttribute(parameters[0]);
}
catch (InvalidCastException e)
{
throw new SystemException("argument attribute(" + parameters[0] + ") does not contain an actor : " + handlerContext.GetAttribute(parameters[0]).GetType().FullName, e);
}
}
else
{
string roleName = parameters[0].Trim();
try
{
IList <IUser> users = organizationApplication.FindUsersByGroupAndRole(resolvedActor.UniqueName, roleName);
if (users.Count < 1)
{
throw new SystemException("no users have role " + roleName + " for group " + resolvedActor.UniqueName);
}
actor = users[0];
// TODO : create a new group if more then one user is returned on the query...
}
catch (InvalidCastException e)
{
throw new SystemException("can't resolve role-argument : a role must be calculated from a Group, not a " + resolvedActor.GetType().FullName, e);
}
catch
{
//throw new SystemException("can't resolve role-argument : can't find the users that perform role " + roleName + " for group " + resolvedActor.Id + " : " + e.Message);
}
}
return(actor);
}
