public static string BuildUrl(string[] parts, IDictionary <string, object> query, string fragment)
{
var sb = new StringBuilder();
if (!ArrayUtils.IsNullOrEmpty(parts))
{
var part = parts[0];
var delimiter = !string.IsNullOrEmpty(part) && part[0] == '/' ? "/" : null;
for (int i = 0, n = parts.Length; i < n; i++)
{
sb.Append(delimiter);
part = parts[i];
if (!string.IsNullOrEmpty(part))
{
var endIndex = part.Length - 1;
if (part[0] == '/')
{
sb.Append(part, 1, endIndex);
}
else
{
sb.Append(part);
}
delimiter = endIndex > 0 && part[endIndex] != '/' ? "/" : null;
}
else
{
delimiter = null;
}
}
}
if (query != null)
{
var separator = '?';
foreach (KeyValuePair <string, object> queryPart in query)
{
foreach (var value in
queryPart.Value is string || !(queryPart.Value is IEnumerable enumerable) ?
EnumerableUtils.Return(queryPart.Value) :
enumerable.Cast <object>())
{
sb.Append(separator);
separator = '&';
sb.Append(queryPart.Key);
sb.Append('=');
sb.Append(value != null ? Uri.EscapeDataString(value.ToString()) : string.Empty);
}
}
}
if (!string.IsNullOrEmpty(fragment))
{
sb.Append('#');
sb.Append(Uri.EscapeDataString(fragment));
}
return(sb.ToString());
}