/// <summary>
/// Join the name-value pairs into a string seperated with ampersands.
/// Each name and value is first RFC 3986 encoded and values are separated
/// from names with equal signs.
/// </summary>
/// <param name="values">The name value collection to encode and join</param>
/// <returns>An RFC 3986 compliant string</returns>
public static string EncodeAndJoin(NameValueCollection values)
{
if (values == null)
{
return(string.Empty);
}
StringBuilder enc = new StringBuilder();
bool first = true;
foreach (string key in values.Keys)
{
string encKey = Rfc3986.Encode(key);
foreach (string value in values.GetValues(key))
{
if (!first)
{
enc.Append("&");
}
else
{
first = false;
}
enc.Append(encKey).Append("=").Append(Rfc3986.Encode(value));
}
}
return(enc.ToString());
}
/** Construct a &-separated list of the given values, percentEncoded. */
public static String percentEncode(List <string> values)
{
StringBuilder p = new StringBuilder();
foreach (string v in values)
{
if (p.Length > 0)
{
p.Append("&");
}
p.Append(Rfc3986.Encode(ToString(v)));
}
return(p.ToString());
}
/**
* Construct a WWW-Authenticate or Authentication header value, containing
* the given realm plus all the parameters whose names begin with "oauth_".
*/
public String getAuthorizationHeader(String realm)
{
StringBuilder into = new StringBuilder(AUTH_SCHEME);
into.Append(" realm=\"").Append(Rfc3986.Encode(realm)).Append('"');
beforeGetParameter();
if (parameters != null)
{
foreach (var parameter in parameters)
{
String name = ToString(parameter.Key);
if (name.StartsWith("oauth_"))
{
into.Append(", ");
into.Append(Rfc3986.Encode(name)).Append("=\"")
.Append(
Rfc3986.Encode(ToString(parameter
.Value))).Append('"');
}
}
}
return(into.ToString());
}
/**
* Write a form-urlencoded document into the given stream, containing the
* given sequence of name/value pairs.
*/
public static void formEncode(List <Parameter> parameters, Stream into)
{
if (parameters != null)
{
bool first = true;
byte[] towrite;
foreach (Parameter parameter in parameters)
{
if (first)
{
first = false;
}
else
{
towrite = Encoding.UTF8.GetBytes("&");
into.Write(towrite, 0, towrite.Length);
}
towrite = Encoding.UTF8.GetBytes(Rfc3986.Encode(ToString(parameter.Key)) +
"=" + Rfc3986.Encode(ToString(parameter.Value)));
into.Write(towrite, 0, towrite.Length);
}
}
}
public override String ToString()
{
return(Rfc3986.Encode(Key) + '=' + Rfc3986.Encode(Value));
}
