/// <summary>
/// Supplementary class that handles XmlWrite of individual UrlAddress as a fragment.
/// </summary>
/// <param name="writer">
/// Used as XmlWriter.
/// </param>
/// <param name="address">
/// UrlAddress instance.
/// </param>
private void WriteAddress(XmlWriter writer, UrlAddress address)
{
writer.WriteStartElement("urlAddress");
writer.WriteStartElement("host");
writer.WriteAttributeString("name", address.Host);
writer.WriteEndElement();
if (address.Uri != null && address.Uri.Length > 0)
{
writer.WriteStartElement("uri");
foreach (var segment in address.Uri)
{
XElement element = new XElement("segment", segment);
element.WriteTo(writer);
}
writer.WriteEndElement();
}
if (address.Parameters != null && address.Parameters.Count > 0)
{
writer.WriteStartElement("parameters");
foreach (var item in address.Parameters)
{
XElement element = new XElement("parameter", new XAttribute("key", item.Key), new XAttribute("value", item.Value));
element.WriteTo(writer);
}
writer.WriteEndElement();
}
writer.WriteEndElement();
}
/// <summary>
/// IXmlSerializable interface implementation of ReadXml method.
/// </summary>
/// <param name="reader">
/// Used as XmlReader.
/// </param>
public void ReadXml(XmlReader reader)
{
List <UrlAddress> addresses = new List <UrlAddress>();
reader.ReadStartElement();
while (reader.Name == "urlAddress")
{
UrlAddress address = new UrlAddress();
reader.ReadStartElement();
XElement host = (XElement)XNode.ReadFrom(reader);
address.Host = (string)host.Attribute("name");
if (reader.Name == "uri")
{
XElement uri = (XElement)XNode.ReadFrom(reader);
address.Uri = uri.Elements("segment").Select(element => element.Value).ToArray();
}
if (reader.Name == "parameters")
{
XElement parameters = (XElement)XNode.ReadFrom(reader);
address.Parameters = parameters.Elements("parameter").ToDictionary(element => (string)element.Attribute("key"), element => (string)element.Attribute("value"));
}
reader.ReadEndElement();
addresses.Add(address);
}
reader.ReadEndElement();
this.Addresses = addresses;
}
/// <summary>
/// Parse method.
/// </summary>
/// <param name="urls">
/// Array of urls as strings to parse.
/// </param>
/// <returns>
/// Asignes bunch of parsed Urls as UrlAddresses object to IXmlSerializable interface.
/// </returns>
public IXmlSerializable Parse(string[] urls)
{
List <UrlAddress> addresses = new List <UrlAddress>();
for (int k = 0; k < urls.Length; k++)
{
Uri siteUri = null;
try
{
siteUri = new Uri(urls[k]);
}
catch (Exception ex)
{
this.OnInvalid(this, new ParserEventArgs(ex.Message, k));
continue;
}
UrlAddress parsedUrl = new UrlAddress();
parsedUrl.Host = siteUri.Host;
string[] segments = null;
if (siteUri.Segments.Length > 1)
{
segments = new string[siteUri.Segments.Length - 1];
for (int i = 0; i < siteUri.Segments.Length - 1; i++)
{
segments[i] = siteUri.Segments[i + 1];
int lastIndex = segments[i].Length - 1;
if (segments[i][lastIndex] == '/')
{
segments[i] = segments[i].Substring(0, lastIndex);
}
}
}
parsedUrl.Uri = segments;
if (!string.IsNullOrWhiteSpace(siteUri.Query))
{
string fullQuery = siteUri.Query.Substring(1);
string[] queries = fullQuery.Split('&', StringSplitOptions.RemoveEmptyEntries);
Dictionary <string, string> parameters = new Dictionary <string, string>();
foreach (var s in queries)
{
string[] parametersArray = s.Split('=', 2, StringSplitOptions.RemoveEmptyEntries);
if (parametersArray.Length >= 2 && !string.IsNullOrWhiteSpace(parametersArray[0]) && !string.IsNullOrWhiteSpace(parametersArray[1]))
{
if (!parameters.ContainsKey(parametersArray[0]))
{
parameters.Add(parametersArray[0], parametersArray[1]);
}
}
}
if (parameters.Count > 0)
{
parsedUrl.Parameters = parameters;
}
}
addresses.Add(parsedUrl);
}
return(new UrlAddresses(addresses));
}
