/*

 * 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.ldap;

import javax.naming.*;

import javax.naming.directory.*;

import com.sun.jndi.toolkit.ctx.Continuation;

import java.util.Vector;

import javax.naming.ldap.Control;

final class LdapNamingEnumeration

        extends AbstractLdapNamingEnumeration<NameClassPair> {

    private static final String defaultClassName = DirContext.class.getName();

    LdapNamingEnumeration(LdapCtx homeCtx, LdapResult answer, Name listArg,

                                 Continuation cont) throws NamingException {

        super(homeCtx, answer, listArg, cont);

    }

    @Override

    protected NameClassPair createItem(String dn, Attributes attrs,

            Vector<Control> respCtls) throws NamingException {

        Attribute attr;

        String className = null;

        // use the Java classname if present

        if ((attr = attrs.get(Obj.JAVA_ATTRIBUTES[Obj.CLASSNAME])) != null) {

            className = (String)attr.get();

        } else {

            className = defaultClassName;

        }

        CompositeName cn = new CompositeName();

        cn.add(getAtom(dn));

        NameClassPair ncp;

        if (respCtls != null) {

            ncp = new NameClassPairWithControls(

                        cn.toString(), className,

                        homeCtx.convertControls(respCtls));

        } else {

            ncp = new NameClassPair(cn.toString(), className);

        }

        ncp.setNameInNamespace(dn);

        return ncp;

    }

    @Override

    protected AbstractLdapNamingEnumeration<? extends NameClassPair> getReferredResults(

            LdapReferralContext refCtx) throws NamingException {

        // repeat the original operation at the new context

        return (AbstractLdapNamingEnumeration<? extends NameClassPair>)refCtx.list(listArg);

    }

}