185 lines
5.0 KiB
C++
185 lines
5.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/*
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The nsHTTPHandlerFactory implementation. This was directly
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plagiarized from Chris Waterson the Great. So if you find
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a fault here... make sure you notify him as well.
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-Gagan Saksena 03/25/99
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*/
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#include "nsCOMPtr.h"
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#include "nscore.h"
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#include "nsIHTTPProtocolHandler.h"
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#include "nsHTTPCID.h"
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#include "nsHTTPHandlerFactory.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsXPComFactory.h"
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#include "nsIProtocolHandler.h" // for NS_NETWORK_PROTOCOL_PROGID_PREFIX
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static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
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static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
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static NS_DEFINE_CID(kHTTPHandlerCID, NS_HTTP_HANDLER_FACTORY_CID);
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////////////////////////////////////////////////////////////////////////
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nsHTTPHandlerFactory::nsHTTPHandlerFactory(const nsCID &aClass,
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const char* className,
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const char* progID)
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: mClassID(aClass), mClassName(className), mProgID(progID)
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{
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NS_INIT_REFCNT();
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}
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nsHTTPHandlerFactory::~nsHTTPHandlerFactory()
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{
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NS_ASSERTION(mRefCnt == 0, "non-zero refcnt at destruction");
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}
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NS_IMETHODIMP
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nsHTTPHandlerFactory::QueryInterface(const nsIID &aIID, void **aResult)
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{
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if (! aResult)
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return NS_ERROR_NULL_POINTER;
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// Always NULL result, in case of failure
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*aResult = nsnull;
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if (aIID.Equals(NS_GET_IID(nsISupports))) {
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*aResult = NS_STATIC_CAST(nsISupports*, this);
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AddRef();
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return NS_OK;
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} else if (aIID.Equals(kIFactoryIID)) {
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*aResult = NS_STATIC_CAST(nsIFactory*, this);
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AddRef();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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NS_IMPL_ADDREF(nsHTTPHandlerFactory);
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NS_IMPL_RELEASE(nsHTTPHandlerFactory);
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NS_IMETHODIMP
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nsHTTPHandlerFactory::CreateInstance(nsISupports *aOuter,
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const nsIID &aIID,
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void **aResult)
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{
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if (! aResult)
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return NS_ERROR_NULL_POINTER;
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if (aOuter)
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return NS_ERROR_NO_AGGREGATION;
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*aResult = nsnull;
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nsresult rv;
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nsISupports *inst = nsnull;
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if (mClassID.Equals(kHTTPHandlerCID)) {
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if (NS_FAILED(rv = NS_CreateOrGetHTTPHandler((nsIHTTPProtocolHandler**) &inst)))
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return rv;
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}
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else {
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return NS_ERROR_NO_INTERFACE;
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}
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if (!inst)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(inst);
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inst->QueryInterface(aIID, aResult);
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NS_RELEASE(inst);
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return rv;
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}
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nsresult nsHTTPHandlerFactory::LockFactory(PRBool aLock)
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{
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// Not implemented in simplest case.
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////
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// return the proper factory to the caller
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extern "C" PR_IMPLEMENT(nsresult)
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NSGetFactory(nsISupports* aServMgr,
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const nsCID &aClass,
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const char *aClassName,
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const char *aProgID,
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nsIFactory **aFactory)
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{
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if (! aFactory)
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return NS_ERROR_NULL_POINTER;
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nsHTTPHandlerFactory* factory = new nsHTTPHandlerFactory(aClass, aClassName, aProgID);
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if (factory == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(factory);
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*aFactory = factory;
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return NS_OK;
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}
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extern "C" PR_IMPLEMENT(nsresult)
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NSRegisterSelf(nsISupports* aServMgr , const char* aPath)
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{
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nsresult rv;
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nsCOMPtr<nsIServiceManager> servMgr(do_QueryInterface(aServMgr, &rv));
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if (NS_FAILED(rv)) return rv;
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NS_WITH_SERVICE(nsIComponentManager, compMgr, kComponentManagerCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->RegisterComponent(kHTTPHandlerCID,
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"HTTP Handler",
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NS_NETWORK_PROTOCOL_PROGID_PREFIX "http",
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aPath, PR_TRUE, PR_TRUE);
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if (NS_FAILED(rv)) return rv;
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return NS_OK;
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}
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extern "C" PR_IMPLEMENT(nsresult)
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NSUnregisterSelf(nsISupports* aServMgr, const char* aPath)
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{
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nsresult rv;
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nsCOMPtr<nsIServiceManager> servMgr(do_QueryInterface(aServMgr, &rv));
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if (NS_FAILED(rv)) return rv;
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NS_WITH_SERVICE(nsIComponentManager, compMgr, kComponentManagerCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->UnregisterComponent(kHTTPHandlerCID, aPath);
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if (NS_FAILED(rv)) return rv;
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return NS_OK;
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}
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