28
29 import java.net.MalformedURLException;
30 import java.util.Hashtable;
31
32 import javax.naming.*;
33 import javax.naming.spi.ResolveResult;
34 import com.sun.jndi.dns.*;
35 import com.sun.jndi.toolkit.url.GenericURLDirContext;
36
37
38 /**
39 * A DNS URL context resolves names that are DNS pseudo-URLs.
40 * See com.sun.jndi.dns.DnsUrl for a description of the URL format.
41 *
42 * @author Scott Seligman
43 */
44
45
46 public class dnsURLContext extends GenericURLDirContext {
47
48 public dnsURLContext(Hashtable env) {
49 super(env);
50 }
51
52 /**
53 * Resolves the host and port of "url" to a root context connected
54 * to the named DNS server, and returns the domain name as the
55 * remaining name.
56 */
57 protected ResolveResult getRootURLContext(String url, Hashtable env)
58 throws NamingException {
59
60 DnsUrl dnsUrl;
61 try {
62 dnsUrl = new DnsUrl(url);
63 } catch (MalformedURLException e) {
64 throw new InvalidNameException(e.getMessage());
65 }
66
67 DnsUrl[] urls = new DnsUrl[] { dnsUrl };
68 String domain = dnsUrl.getDomain();
69
70 return new ResolveResult(
71 DnsContextFactory.getContext(".", urls, env),
72 new CompositeName().add(domain));
73 }
74 }
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28
29 import java.net.MalformedURLException;
30 import java.util.Hashtable;
31
32 import javax.naming.*;
33 import javax.naming.spi.ResolveResult;
34 import com.sun.jndi.dns.*;
35 import com.sun.jndi.toolkit.url.GenericURLDirContext;
36
37
38 /**
39 * A DNS URL context resolves names that are DNS pseudo-URLs.
40 * See com.sun.jndi.dns.DnsUrl for a description of the URL format.
41 *
42 * @author Scott Seligman
43 */
44
45
46 public class dnsURLContext extends GenericURLDirContext {
47
48 public dnsURLContext(Hashtable<?,?> env) {
49 super(env);
50 }
51
52 /**
53 * Resolves the host and port of "url" to a root context connected
54 * to the named DNS server, and returns the domain name as the
55 * remaining name.
56 */
57 protected ResolveResult getRootURLContext(String url, Hashtable<?,?> env)
58 throws NamingException {
59
60 DnsUrl dnsUrl;
61 try {
62 dnsUrl = new DnsUrl(url);
63 } catch (MalformedURLException e) {
64 throw new InvalidNameException(e.getMessage());
65 }
66
67 DnsUrl[] urls = new DnsUrl[] { dnsUrl };
68 String domain = dnsUrl.getDomain();
69
70 return new ResolveResult(
71 DnsContextFactory.getContext(".", urls, env),
72 new CompositeName().add(domain));
73 }
74 }
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