1999-06-02 01:08:32 +04:00
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code,
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* released March 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* 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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* Contributors:
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* Daniel Veditz <dveditz@netscape.com>
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*/
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#include <string.h>
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#include "nscore.h"
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#include "pratom.h"
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#include "prmem.h"
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#include "prio.h"
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#include "plstr.h"
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#include "prlog.h"
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#include "xp_regexp.h"
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#include "nsIComponentManager.h"
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1999-06-23 10:16:28 +04:00
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#include "nsIServiceManager.h"
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#include "nsCOMPtr.h"
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1999-10-07 07:39:36 +04:00
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#include "nsIModule.h"
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#include "nsIGenericFactory.h"
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1999-06-02 01:08:32 +04:00
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#include "nsJAR.h"
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#include "nsIJARFactory.h"
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/*********************************
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* Begin XPCOM-related functions
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*********************************/
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/*-----------------------------------------------------------------
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* XPCOM-related Globals
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*-----------------------------------------------------------------*/
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static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
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static NS_DEFINE_IID(kIJAR_IID, NS_IJAR_IID);
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static NS_DEFINE_IID(kJAR_CID, NS_JAR_CID);
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static NS_DEFINE_IID(kIJARFactory_IID, NS_IJARFactory_IID);
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static NS_DEFINE_IID(kJARFactory_CID, NS_JARFactory_CID);
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1999-10-07 07:39:36 +04:00
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//----------------------------------------------------------------------
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// Functions used to create new instances of a given object by the
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// generic factory.
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static NS_IMETHODIMP
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CreateNewJAR(nsISupports* aOuter, REFNSIID aIID, void **aResult)
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{
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if (!aResult) {
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return NS_ERROR_INVALID_POINTER;
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}
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if (aOuter) {
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*aResult = nsnull;
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return NS_ERROR_NO_AGGREGATION;
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}
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nsJAR* inst = new nsJAR();
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if (inst == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(inst);
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nsresult rv = inst->QueryInterface(aIID, aResult);
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if (NS_FAILED(rv)) {
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*aResult = nsnull;
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}
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NS_RELEASE(inst); /* get rid of extra refcnt */
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return rv;
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1999-06-02 01:08:32 +04:00
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}
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1999-10-07 07:39:36 +04:00
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//----------------------------------------------------------------------
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nsJARModule::nsJARModule()
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: mInitialized(PR_FALSE)
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1999-06-02 01:08:32 +04:00
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{
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1999-10-07 07:39:36 +04:00
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NS_INIT_ISUPPORTS();
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1999-06-02 01:08:32 +04:00
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}
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1999-10-07 07:39:36 +04:00
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nsJARModule::~nsJARModule()
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1999-06-02 01:08:32 +04:00
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{
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1999-10-07 07:39:36 +04:00
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Shutdown();
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}
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1999-06-02 01:08:32 +04:00
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1999-10-07 07:39:36 +04:00
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NS_IMPL_ISUPPORTS(nsJARModule, NS_GET_IID(nsIModule))
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1999-06-02 01:08:32 +04:00
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1999-10-07 07:39:36 +04:00
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// Perform our one-time intialization for this module
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nsresult
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nsJARModule::Initialize()
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{
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if (mInitialized) {
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return NS_OK;
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}
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mInitialized = PR_TRUE;
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return NS_OK;
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1999-06-02 01:08:32 +04:00
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}
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1999-10-07 07:39:36 +04:00
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// Shutdown this module, releasing all of the module resources
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void
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nsJARModule::Shutdown()
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1999-06-02 01:08:32 +04:00
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{
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1999-10-07 07:39:36 +04:00
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// Release the factory object
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mFactory = nsnull;
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1999-06-02 01:08:32 +04:00
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}
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1999-10-07 07:39:36 +04:00
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// Create a factory object for creating instances of aClass.
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NS_IMETHODIMP
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nsJARModule::GetClassObject(nsIComponentManager *aCompMgr,
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const nsCID& aClass,
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const nsIID& aIID,
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void** r_classObj)
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1999-06-02 01:08:32 +04:00
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{
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1999-10-07 07:39:36 +04:00
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nsresult rv;
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// Defensive programming: Initialize *r_classObj in case of error below
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if (!r_classObj) {
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return NS_ERROR_INVALID_POINTER;
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}
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*r_classObj = NULL;
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// Do one-time-only initialization if necessary
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if (!mInitialized) {
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rv = Initialize();
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if (NS_FAILED(rv)) {
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// Initialization failed! yikes!
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return rv;
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}
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}
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// Choose the appropriate factory, based on the desired instance
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// class type (aClass).
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nsCOMPtr<nsIGenericFactory> fact;
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if (aClass.Equals(kJAR_CID)) {
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if (!mFactory) {
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// Create and save away the factory object for creating
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// new instances of JAR. This way if we are called
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// again for the factory, we won't need to create a new
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// one.
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rv = NS_NewGenericFactory(getter_AddRefs(mFactory),
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CreateNewJAR);
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}
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fact = mFactory;
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}
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else {
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rv = NS_ERROR_FACTORY_NOT_REGISTERED;
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#ifdef DEBUG
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char* cs = aClass.ToString();
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printf("+++ nsJARModule: unable to create factory for %s\n", cs);
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nsCRT::free(cs);
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#endif
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}
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if (fact) {
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rv = fact->QueryInterface(aIID, r_classObj);
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}
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return rv;
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1999-06-02 01:08:32 +04:00
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}
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1999-10-07 07:39:36 +04:00
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//----------------------------------------
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1999-06-02 01:08:32 +04:00
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1999-10-07 07:39:36 +04:00
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struct Components {
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const char* mDescription;
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const nsID* mCID;
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const char* mProgID;
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};
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1999-06-02 01:08:32 +04:00
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1999-10-07 07:39:36 +04:00
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// The list of components we register
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static Components gComponents[] = {
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{ "LibJAR Component", &kJAR_CID,
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"component://netscape/libjar", },
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};
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#define NUM_COMPONENTS (sizeof(gComponents) / sizeof(gComponents[0]))
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1999-06-02 01:08:32 +04:00
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1999-10-07 07:39:36 +04:00
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NS_IMETHODIMP
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nsJARModule::RegisterSelf(nsIComponentManager *aCompMgr,
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nsIFileSpec* aPath,
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const char* registryLocation,
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const char* componentType)
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{
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nsresult rv = NS_OK;
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1999-06-23 10:16:28 +04:00
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1999-10-07 07:39:36 +04:00
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#ifdef DEBUG
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printf("*** Registering jar components\n");
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#endif
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1999-06-23 10:16:28 +04:00
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1999-10-07 07:39:36 +04:00
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Components* cp = gComponents;
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Components* end = cp + NUM_COMPONENTS;
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while (cp < end) {
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rv = aCompMgr->RegisterComponentSpec(*cp->mCID, cp->mDescription,
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cp->mProgID, aPath, PR_TRUE,
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PR_TRUE);
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if (NS_FAILED(rv)) {
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#ifdef DEBUG
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printf("nsJARModule: unable to register %s component => %x\n",
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cp->mDescription, rv);
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#endif
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break;
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}
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cp++;
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}
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1999-06-23 10:16:28 +04:00
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1999-10-07 07:39:36 +04:00
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return rv;
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1999-06-02 01:08:32 +04:00
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}
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1999-10-07 07:39:36 +04:00
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NS_IMETHODIMP
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nsJARModule::UnregisterSelf(nsIComponentManager* aCompMgr,
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nsIFileSpec* aPath,
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const char* registryLocation)
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1999-06-02 01:08:32 +04:00
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{
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1999-10-07 07:39:36 +04:00
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#ifdef DEBUG
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printf("*** Unregistering jar components\n");
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#endif
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Components* cp = gComponents;
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Components* end = cp + NUM_COMPONENTS;
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while (cp < end) {
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nsresult rv = aCompMgr->UnregisterComponentSpec(*cp->mCID, aPath);
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if (NS_FAILED(rv)) {
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#ifdef DEBUG
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printf("nsJARModule: unable to unregister %s component => %x\n",
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cp->mDescription, rv);
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1999-06-23 10:16:28 +04:00
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#endif
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1999-10-07 07:39:36 +04:00
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}
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cp++;
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}
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1999-06-23 10:16:28 +04:00
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1999-10-07 07:39:36 +04:00
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return NS_OK;
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}
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1999-06-23 10:16:28 +04:00
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1999-10-07 07:39:36 +04:00
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NS_IMETHODIMP
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nsJARModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
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{
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if (!okToUnload) {
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return NS_ERROR_INVALID_POINTER;
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}
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*okToUnload = PR_FALSE;
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return NS_ERROR_FAILURE;
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}
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1999-06-23 10:16:28 +04:00
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1999-10-07 07:39:36 +04:00
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//----------------------------------------------------------------------
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1999-06-23 10:16:28 +04:00
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1999-10-07 07:39:36 +04:00
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static nsJARModule *gModule = NULL;
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1999-06-02 01:08:32 +04:00
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1999-10-07 07:39:36 +04:00
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extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *servMgr,
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nsIFileSpec* location,
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nsIModule** return_cobj)
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{
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nsresult rv = NS_OK;
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NS_ENSURE_ARG_POINTER(return_cobj);
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1999-11-02 00:43:56 +03:00
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NS_ENSURE_FALSE(gModule, NS_ERROR_FAILURE);
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1999-10-07 07:39:36 +04:00
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// Create and initialize the module instance
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nsJARModule *m = new nsJARModule();
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if (!m) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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// Increase refcnt and store away nsIModule interface to m in return_cobj
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rv = m->QueryInterface(NS_GET_IID(nsIModule), (void**)return_cobj);
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if (NS_FAILED(rv)) {
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delete m;
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m = nsnull;
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}
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gModule = m; // WARNING: Weak Reference
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return rv;
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}
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