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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is 
 * Sun Microsystems, Inc.
 * Portions created by the Initial Developer are Copyright (C) 2001
 * the Initial Developer. All Rights Reserved.
 *
 *
 * Original Author: 
 *   Paul Sandoz   <paul.sandoz@sun.com> 
 *
 * Contributors: 
 *   Csaba Borbola <csaba.borbola@sun.com>
 *   Seth Spitzer <sspitzer@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or 
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the NPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsAbLDAPDirFactory.h"
#include "nsAbUtils.h"

#include "nsIServiceManager.h"
#include "nsIRDFService.h"
#include "nsIRDFResource.h"

#include "nsIAbDirectory.h"
#include "nsAbLDAPDirectory.h"
#include "nsAbDirFactoryService.h"
#include "nsIAddressBook.h"

#include "nsEnumeratorUtils.h"
#include "nsAbBaseCID.h"

NS_IMPL_ISUPPORTS1(nsAbLDAPDirFactory, nsIAbDirFactory)

nsAbLDAPDirFactory::nsAbLDAPDirFactory()
{
}

nsAbLDAPDirFactory::~nsAbLDAPDirFactory()
{
}

NS_IMETHODIMP nsAbLDAPDirFactory::CreateDirectory(nsIAbDirectoryProperties *aProperties,
    nsISimpleEnumerator **aDirectories)
{
    NS_ENSURE_ARG_POINTER(aProperties);
    NS_ENSURE_ARG_POINTER(aDirectories);

    nsresult rv;

    nsXPIDLCString uri;
    nsAutoString description;
    nsXPIDLCString prefName;
    
    rv = aProperties->GetDescription(description);
    NS_ENSURE_SUCCESS(rv, rv);

    rv = aProperties->GetURI(getter_Copies(uri));
    NS_ENSURE_SUCCESS(rv, rv);
    
    rv = aProperties->GetPrefName(getter_Copies(prefName));
    NS_ENSURE_SUCCESS(rv, rv);
    
    nsCOMPtr<nsIRDFService> rdf = do_GetService (NS_RDF_CONTRACTID "/rdf-service;1", &rv);
    NS_ENSURE_SUCCESS(rv, rv);

    nsCOMPtr<nsIRDFResource> resource;

    if ((strncmp(uri.get(), "ldap:", 5) == 0) ||
        (strncmp(uri.get(), "ldaps:", 6) == 0)) {
      nsXPIDLCString prefName;
      rv = aProperties->GetPrefName(getter_Copies(prefName));
      NS_ENSURE_SUCCESS(rv, rv);

      /*
       * if the URI starts with ldap: or ldaps:
       * then this directory is an LDAP directory.
       *
       * we don't want to use the ldap:// or ldaps:// URI 
       * as the RDF resource URI because the ldap:// or ldaps:// URI 
       * will contain the hostname, basedn, port, etc.
       * so if those attributes changed, we'll run into the
       * the same problem that we hit with changing username / hostname
       * for mail servers.  to solve this problem, we add an extra
       * level of indirection.  the RDF resource URI that we generate
       * (the bridge URI) will be moz-abldapdirectory://<prefName>
       * and when we need the hostname, basedn, port, etc,
       * we'll use the <prefName> to get the necessary prefs.
       * note, <prefName> does not change.
       */
      nsCAutoString bridgeURI;
      bridgeURI = NS_LITERAL_CSTRING(kLDAPDirectoryRoot) + prefName;
      rv = rdf->GetResource(bridgeURI, getter_AddRefs(resource));
    }
    else {
      rv = rdf->GetResource(uri, getter_AddRefs(resource));
    }
    NS_ENSURE_SUCCESS(rv, rv);

    nsCOMPtr<nsIAbDirectory> directory(do_QueryInterface(resource, &rv));
    NS_ENSURE_SUCCESS(rv, rv);

    rv = directory->SetDirName(description.get());
    NS_ENSURE_SUCCESS(rv,rv);

    rv = directory->SetDirPrefId(prefName);
    NS_ENSURE_SUCCESS(rv, rv);

    NS_IF_ADDREF(*aDirectories = new nsSingletonEnumerator(directory));
    return *aDirectories ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}

/* void deleteDirectory (in nsIAbDirectory directory); */
NS_IMETHODIMP nsAbLDAPDirFactory::DeleteDirectory(nsIAbDirectory *directory)
{
    // No actual deletion - as the LDAP Address Book is not physically
    // created in the corresponding CreateDirectory() unlike the Personal
    // Address Books. But we still need to return NS_OK from here.
    return NS_OK;
}