A useful urlbuilder class

Code

Using system;
Using system. Web;
Using system. Collections. Specialized;

Namespace craiglabs. Common {
Public class urlbuilder: uribuilder {
Stringdictionary _ querystring = NULL;

# Region Properties
Public stringdictionary querystring {
Get {
If (_ querystring = NULL ){
_ Querystring = new stringdictionary ();
}

Return _ querystring;
}
}

Public String pagename {
Get {
String Path = base. path;
Return Path. substring (path. lastindexof ("/") + 1 );
}
Set {
String Path = base. path;
Path = path. substring (0, path. lastindexof ("/"));
Base. Path = string. Concat (path, "/", value );
}
}
# Endregion
 
# Region constructor overloads
Public urlbuilder (): Base (){
}
 
Public urlbuilder (string URI): Base (URI ){
Populatequerystring ();
}
 
Public urlbuilder (URI): Base (URI ){
Populatequerystring ();
}
 
Public urlbuilder (string schemename, string hostname): Base (schemename, hostname ){
}
 
Public urlbuilder (string scheme, string host, int portnumber): Base (scheme, host, portnumber ){
}
 
Public urlbuilder (string scheme, string host, int port, string pathvalue): Base (scheme, host, port, pathvalue ){
}
 
Public urlbuilder (string scheme, string host, int port, string path, string extravalue): Base (scheme, host, port, path, extravalue ){
}
 
Public urlbuilder (system. Web. UI. Page): Base (page. Request. url. absoluteuri ){
Populatequerystring ();
}
# Endregion
 
# Region Public Methods
Public New String tostring (){
Getquerystring ();
 
Return base. Uri. absoluteuri;
}
 
Public void navigate (){
_ Navigate (true );
}
 
Public void navigate (bool endresponse ){
_ Navigate (endresponse );
}
 
Private void _ navigate (bool endresponse ){
String uri = This. tostring ();
Httpcontext. Current. response. Redirect (Uri, endresponse );
}
# Endregion
 
# Region private methods
Private void populatequerystring (){
String query = base. query;

If (query = string. Empty | query = NULL ){
Return;
}

If (_ querystring = NULL ){
_ Querystring = new stringdictionary ();
}

_ Querystring. Clear ();

Query = query. substring (1); // remove?
 
String [] pairs = query. Split (New char [] {'&'});
Foreach (string s in pairs ){
String [] pair = S. Split (New char [] {'= '});

_ Querystring [pair [0] = (pair. length> 1 )? Pair [1]: String. empty;
}
}
 
Private void getquerystring (){
Int COUNT = _ querystring. count;

If (COUNT = 0 ){
Base. query = string. empty;
Return;
}
 
String [] keys = new string [count];
String [] values = new string [count];
String [] pairs = new string [count];
 
_ Querystring. Keys. copyto (keys, 0 );
_ Querystring. Values. copyto (values, 0 );

For (INT I = 0; I <count; I ++ ){
Pairs [I] = string. Concat (Keys [I], "=", values [I]);
}

Base. query = string. Join ("&", pairs );
}
# Endregion
}
}