/*

 * 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 java.security.AccessControlContext;

import java.security.AccessController;

import java.security.PrivilegedActionException;

import java.security.PrivilegedExceptionAction;

import java.util.Vector;

import javax.naming.*;

import javax.naming.directory.*;

import javax.naming.ldap.Control;

import javax.naming.spi.*;

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

final class LdapBindingEnumeration

        extends AbstractLdapNamingEnumeration<Binding> {

    private final AccessControlContext acc = AccessController.getContext();

    LdapBindingEnumeration(LdapCtx homeCtx, LdapResult answer, Name remain,

        Continuation cont) throws NamingException

    {

        super(homeCtx, answer, remain, cont);

    }

    @Override

    protected Binding

      createItem(String dn, Attributes attrs, Vector<Control> respCtls)

        throws NamingException {

        Object obj = null;

        String atom = getAtom(dn);

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

            // serialized object or object reference

            try {

                obj = AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {

                    @Override

                    public Object run() throws NamingException {

                        return Obj.decodeObject(attrs);

                    }

                }, acc);

            } catch (PrivilegedActionException e) {

                throw (NamingException)e.getException();

            }

        }

        if (obj == null) {

            // DirContext object

            obj = new LdapCtx(homeCtx, dn);

        }

        CompositeName cn = new CompositeName();

        cn.add(atom);

        try {

            obj = DirectoryManager.getObjectInstance(obj, cn, homeCtx,

                homeCtx.envprops, attrs);

        } catch (NamingException e) {

            throw e;

        } catch (Exception e) {

            NamingException ne =

                new NamingException(

                        "problem generating object using object factory");

            ne.setRootCause(e);

            throw ne;

        }

        Binding binding;

        if (respCtls != null) {

           binding = new BindingWithControls(cn.toString(), obj,

                                homeCtx.convertControls(respCtls));

        } else {

            binding = new Binding(cn.toString(), obj);

        }

        binding.setNameInNamespace(dn);

        return binding;

    }

    @Override

    protected AbstractLdapNamingEnumeration<? extends NameClassPair> getReferredResults(

            LdapReferralContext refCtx) throws NamingException{

        // repeat the original operation at the new context

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

    }

}