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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package com.sun.jndi.url.dns;
import java.net.MalformedURLException;
import java.util.Hashtable;
import javax.naming.*;
import javax.naming.spi.ResolveResult;
import com.sun.jndi.dns.*;
import com.sun.jndi.toolkit.url.GenericURLDirContext;
/**
* A DNS URL context resolves names that are DNS pseudo-URLs.
* See com.sun.jndi.dns.DnsUrl for a description of the URL format.
*
* @author Scott Seligman
*/
public class dnsURLContext extends GenericURLDirContext {
public dnsURLContext(Hashtable env) {
super(env);
}
/**
* Resolves the host and port of "url" to a root context connected
* to the named DNS server, and returns the domain name as the
* remaining name.
*/
protected ResolveResult getRootURLContext(String url, Hashtable env)
throws NamingException {
DnsUrl dnsUrl;
try {
dnsUrl = new DnsUrl(url);
} catch (MalformedURLException e) {
throw new InvalidNameException(e.getMessage());
}
DnsUrl[] urls = new DnsUrl[] { dnsUrl };
String domain = dnsUrl.getDomain();
return new ResolveResult(
DnsContextFactory.getContext(".", urls, env),
new CompositeName().add(domain));
}
}