75 lines
2.4 KiB
Java
75 lines
2.4 KiB
Java
/*
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* Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.jndi.url.dns;
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import java.net.MalformedURLException;
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import java.util.Hashtable;
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import javax.naming.*;
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import javax.naming.spi.ResolveResult;
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import com.sun.jndi.dns.*;
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import com.sun.jndi.toolkit.url.GenericURLDirContext;
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/**
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* A DNS URL context resolves names that are DNS pseudo-URLs.
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* See com.sun.jndi.dns.DnsUrl for a description of the URL format.
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*
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* @author Scott Seligman
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*/
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public class dnsURLContext extends GenericURLDirContext {
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public dnsURLContext(Hashtable<?,?> env) {
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super(env);
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}
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/**
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* Resolves the host and port of "url" to a root context connected
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* to the named DNS server, and returns the domain name as the
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* remaining name.
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*/
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protected ResolveResult getRootURLContext(String url, Hashtable<?,?> env)
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throws NamingException {
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DnsUrl dnsUrl;
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try {
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dnsUrl = new DnsUrl(url);
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} catch (MalformedURLException e) {
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throw new InvalidNameException(e.getMessage());
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}
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DnsUrl[] urls = new DnsUrl[] { dnsUrl };
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String domain = dnsUrl.getDomain();
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return new ResolveResult(
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DnsContextFactory.getContext(".", urls, env),
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new CompositeName().add(domain));
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}
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}
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