public bool Validate(GrepRequest request, List <string> messages)
{
if (request.FilterString == null)
{
messages.Add("'for' string parameter is not specified " +
"but required to filter the posted string against string.");
return(false);
}
return(true);
}
public string Perform(GrepRequest request)
{
var lines = request.InputString.Split(Environment.NewLine.ToCharArray());
var sb = new StringBuilder();
foreach (var line in lines)
{
if (line.Contains(line) == false)
{
continue;
}
sb.Append(line);
}
return(sb.ToString());
}
public bool TryToUnbind(HttpRequest httpRequest, List <string> messages, out GrepRequest request)
{
string s;
if (_inputStreamStringReader.ReadStringFromInputStream(httpRequest.InputStream, messages, out s) == false)
{
request = null;
return(false);
}
request = new GrepRequest
{
InputString = s,
FilterString = httpRequest.RoutesValues != null
? httpRequest.RoutesValues["for"]
: null
};
return(true);
}
public string HandleRequestFailure(
HttpContext httpContext, RequestFailedAt requestFailedAt, List <string> messages, GrepRequest request)
{
var sb = new StringBuilder();
switch (requestFailedAt)
{
case RequestFailedAt.PreAction:
sb.AppendLine("Preparing for request handling.");
break;
case RequestFailedAt.Unbinding:
sb.AppendLine("Unable to read request.");
break;
case RequestFailedAt.Validation:
sb.AppendLine("Unable to validate request.");
break;
}
messages.ForEach(x => sb.AppendLine(x));
return(sb.ToString());
}