/*

 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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package com.sun.jndi.url.ldap;

import java.util.Hashtable;

import javax.naming.*;

import javax.naming.directory.DirContext;

import javax.naming.spi.*;

import com.sun.jndi.ldap.LdapCtx;

import com.sun.jndi.ldap.LdapCtxFactory;

import com.sun.jndi.ldap.LdapURL;

/**

 * An LDAP URL context factory.

 *

 * @author Rosanna Lee

 * @author Scott Seligman

 * @author Vincent Ryan

 */

public class ldapURLContextFactory implements ObjectFactory {

    public Object getObjectInstance(Object urlInfo, Name name, Context nameCtx,

            Hashtable<?,?> env) throws Exception {

        if (urlInfo == null) {

            return new ldapURLContext(env);

        } else {

            return LdapCtxFactory.getLdapCtxInstance(urlInfo, env);

        }

    }

    static ResolveResult getUsingURLIgnoreRootDN(String url, Hashtable<?,?> env)

            throws NamingException {

        LdapURL ldapUrl = new LdapURL(url);

        DirContext ctx = new LdapCtx("", ldapUrl.getHost(), ldapUrl.getPort(),

            env, ldapUrl.useSsl());

        String dn = (ldapUrl.getDN() != null ? ldapUrl.getDN() : "");

        // Represent DN as empty or single-component composite name.

        CompositeName remaining = new CompositeName();

        if (!"".equals(dn)) {

            // if nonempty, add component

            remaining.add(dn);

        }

        return new ResolveResult(ctx, remaining);

    }

}