gecko-dev/db/mork/build/nsMorkFactory.cpp

112 lines
3.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.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 "nsIServiceManager.h"
#include "nsCOMPtr.h"
#include "nsIModule.h"
#include "nsIGenericFactory.h"
#include "nsMorkCID.h"
#include "nsIMdbFactoryFactory.h"
#include "mdb.h"
class nsMorkFactoryFactory : public nsIMdbFactoryFactory
{
public:
nsMorkFactoryFactory();
// nsISupports methods
NS_DECL_ISUPPORTS
NS_IMETHOD GetMdbFactory(nsIMdbFactory **aFactory);
};
NS_GENERIC_FACTORY_CONSTRUCTOR(nsMorkFactoryFactory)
static const nsModuleComponentInfo components[] =
{
{ "Mork Factory",
NS_MORK_CID,
nsnull,
nsMorkFactoryFactoryConstructor
}
};
NS_IMPL_NSGETMODULE(nsMorkModule, components);
static nsIMdbFactory *gMDBFactory = nsnull;
NS_IMPL_ADDREF(nsMorkFactoryFactory)
NS_IMPL_RELEASE(nsMorkFactoryFactory)
NS_IMETHODIMP
nsMorkFactoryFactory::QueryInterface(REFNSIID iid, void** result)
{
if (! result)
return NS_ERROR_NULL_POINTER;
*result = nsnull;
if(iid.Equals(NS_GET_IID(nsIMdbFactoryFactory)) ||
iid.Equals(NS_GET_IID(nsISupports))) {
*result = NS_STATIC_CAST(nsIMdbFactoryFactory*, this);
AddRef();
return NS_OK;
}
return NS_NOINTERFACE;
}
nsMorkFactoryFactory::nsMorkFactoryFactory()
{
NS_INIT_REFCNT();
}
NS_IMETHODIMP nsMorkFactoryFactory::GetMdbFactory(nsIMdbFactory **aFactory)
{
if (!gMDBFactory)
gMDBFactory = MakeMdbFactory();
*aFactory = gMDBFactory;
NS_IF_ADDREF(gMDBFactory);
return (gMDBFactory) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}