internal HostPortrange(String scheme, String str)
{
// Parse the host name. A name has up to three components, the
// hostname, a port number, or two numbers representing a port
// range. "www.sun.com:8080-9090" is a valid host name.
// With IPv6 an address can be 2010:836B:4179::836B:4179
// An IPv6 address needs to be enclose in []
// For ex: [2010:836B:4179::836B:4179]:8080-9090
// Refer to RFC 2732 for more information.
// first separate string into two fields: hoststr, portstr
String hoststr, portstr = null;
this.Scheme = scheme;
// check for IPv6 address
if (str.CharAt(0) == '[')
{
Ipv6 = Literal_Renamed = true;
int rb = str.IndexOf(']');
if (rb != -1)
{
hoststr = str.Substring(1, rb - 1);
}
else
{
throw new IllegalArgumentException("invalid IPv6 address: " + str);
}
int sep = str.IndexOf(':', rb + 1);
if (sep != -1 && str.Length() > sep)
{
portstr = str.Substring(sep + 1);
}
// need to normalize hoststr now
sbyte[] ip = IPAddressUtil.textToNumericFormatV6(hoststr);
if (ip == null)
{
throw new IllegalArgumentException("illegal IPv6 address");
}
StringBuilder sb = new StringBuilder();
Formatter formatter = new Formatter(sb, Locale.US);
formatter.format("%02x%02x:%02x%02x:%02x%02x:%02x" + "%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x", ip[0], ip[1], ip[2], ip[3], ip[4], ip[5], ip[6], ip[7], ip[8], ip[9], ip[10], ip[11], ip[12], ip[13], ip[14], ip[15]);
Hostname_Renamed = sb.ToString();
}
else
{
// not IPv6 therefore ':' is the port separator
int sep = str.IndexOf(':');
if (sep != -1 && str.Length() > sep)
{
hoststr = str.Substring(0, sep);
portstr = str.Substring(sep + 1);
}
else
{
hoststr = sep == -1 ? str : str.Substring(0, sep);
}
// is this a domain wildcard specification?
if (hoststr.LastIndexOf('*') > 0)
{
throw new IllegalArgumentException("invalid host wildcard specification");
}
else if (hoststr.StartsWith("*"))
{
Wildcard_Renamed = true;
if (hoststr.Equals("*"))
{
hoststr = "";
}
else if (hoststr.StartsWith("*."))
{
hoststr = ToLowerCase(hoststr.Substring(1));
}
else
{
throw new IllegalArgumentException("invalid host wildcard specification");
}
}
else
{
// check if ipv4 (if rightmost label a number)
// The normal way to specify ipv4 is 4 decimal labels
// but actually three, two or single label formats valid also
// So, we recognise ipv4 by just testing the rightmost label
// being a number.
int lastdot = hoststr.LastIndexOf('.');
if (lastdot != -1 && (hoststr.Length() > 1))
{
bool ipv4 = true;
for (int i = lastdot + 1, len = hoststr.Length(); i < len; i++)
{
char c = hoststr.CharAt(i);
if (c < '0' || c > '9')
{
ipv4 = false;
break;
}
}
this.Ipv4 = this.Literal_Renamed = ipv4;
if (ipv4)
{
sbyte[] ip = IPAddressUtil.textToNumericFormatV4(hoststr);
if (ip == null)
{
throw new IllegalArgumentException("illegal IPv4 address");
}
StringBuilder sb = new StringBuilder();
Formatter formatter = new Formatter(sb, Locale.US);
formatter.format("%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
hoststr = sb.ToString();
}
else
{
// regular domain name
hoststr = ToLowerCase(hoststr);
}
}
}
Hostname_Renamed = hoststr;
}
try
{
Portrange_Renamed = ParsePort(portstr);
}
catch (Exception)
{
throw new IllegalArgumentException("invalid port range: " + portstr);
}
}