public virtual VirtualPathData GetVirtualPath(VirtualPathContext context)
{
var values = _binder.GetValues(context.AmbientValues, context.Values);
if (values == null)
{
// We're missing one of the required values for this route.
return(null);
}
EnsureLoggers(context.Context);
if (!RouteConstraintMatcher.Match(Constraints,
values.CombinedValues,
context.Context,
this,
RouteDirection.UrlGeneration,
_constraintLogger))
{
return(null);
}
// Validate that the target can accept these values.
var childContext = CreateChildVirtualPathContext(context, values.AcceptedValues);
var pathData = _target.GetVirtualPath(childContext);
if (pathData != null)
{
// If the target generates a value then that can short circuit.
return(pathData);
}
// If we can produce a value go ahead and do it, the caller can check context.IsBound
// to see if the values were validated.
// When we still cannot produce a value, this should return null.
var tempPath = _binder.BindValues(values.AcceptedValues);
if (tempPath == null)
{
return(null);
}
pathData = new VirtualPathData(this, tempPath);
if (DataTokens != null)
{
foreach (var dataToken in DataTokens)
{
pathData.DataTokens.Add(dataToken.Key, dataToken.Value);
}
}
context.IsBound = childContext.IsBound;
return(pathData);
}
public virtual string GetVirtualPath(VirtualPathContext context)
{
var values = _binder.GetValues(context.AmbientValues, context.Values);
if (values == null)
{
// We're missing one of the required values for this route.
return(null);
}
EnsureLoggers(context.Context);
if (!RouteConstraintMatcher.Match(Constraints,
values.CombinedValues,
context.Context,
this,
RouteDirection.UrlGeneration,
_constraintLogger))
{
return(null);
}
// Validate that the target can accept these values.
var childContext = CreateChildVirtualPathContext(context, values.AcceptedValues);
var path = _target.GetVirtualPath(childContext);
if (path != null)
{
// If the target generates a value then that can short circuit.
context.IsBound = true;
return(path);
}
else if (!childContext.IsBound)
{
// The target has rejected these values.
return(null);
}
path = _binder.BindValues(values.AcceptedValues);
if (path != null)
{
context.IsBound = true;
}
return(path);
}