xpcom/tests/TestFactory.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is mozilla.org code.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Netscape Communications Corporation.
  19  * Portions created by the Initial Developer are Copyright (C) 1998
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *   Pierre Phaneuf <pp@ludusdesign.com>
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either of the GNU General Public License Version 2 or later (the "GPL"),
  27  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
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  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #include <stdio.h>
  40 #include "nsXPCOM.h"
  41 #include "TestFactory.h"
  42 #include "nsISupports.h"
  43 #include "nsIComponentManager.h"
  44 #include "nsIComponentRegistrar.h"
  45 #include "nsIServiceManager.h"
  46 #include "nsComponentManagerUtils.h"
  47 #include "nsServiceManagerUtils.h"
  48 #include "nsCOMPtr.h"
  49
  50 NS_DEFINE_CID(kTestFactoryCID, NS_TESTFACTORY_CID);
  51 NS_DEFINE_CID(kTestLoadedFactoryCID, NS_TESTLOADEDFACTORY_CID);
  52
  53
  54 /**
  55  * ITestClass implementation
  56  */
  57
  58 class TestClassImpl: public ITestClass {
  59   NS_DECL_ISUPPORTS
  60 public:
  61   TestClassImpl() {
  62   }
  63
  64   void Test();
  65 };
  66
  67 NS_IMPL_ISUPPORTS1(TestClassImpl, ITestClass)
  68
  69 void TestClassImpl::Test() {
  70   printf("hello, world!\n");
  71 }
  72
  73 /**
  74  * TestFactory implementation
  75  */
  76
  77 class TestFactory: public nsIFactory {
  78   NS_DECL_ISUPPORTS
  79
  80 public:
  81   TestFactory() {
  82   }
  83
  84   NS_IMETHOD CreateInstance(nsISupports *aDelegate,
  85                             const nsIID &aIID,
  86                             void **aResult);
  87
  88   NS_IMETHOD LockFactory(PRBool aLock) { return NS_OK; }
  89 };
  90
  91 NS_IMPL_ISUPPORTS1(TestFactory, nsIFactory)
  92
  93 nsresult TestFactory::CreateInstance(nsISupports *aDelegate,
  94                                      const nsIID &aIID,
  95                                      void **aResult) {
  96   if (aDelegate != NULL) {
  97     return NS_ERROR_NO_AGGREGATION;
  98   }
  99
 100   TestClassImpl *t = new TestClassImpl();
 101
 102   if (t == NULL) {
 103     return NS_ERROR_OUT_OF_MEMORY;
 104   }
 105
 106   nsresult res = t->QueryInterface(aIID, aResult);
 107
 108   if (NS_FAILED(res)) {
 109     *aResult = NULL;
 110     delete t;
 111   }
 112
 113   return res;
 114 }
 115
 116
 117 int main(int argc, char **argv) {
 118   nsresult rv;
 119
 120   {
 121     nsCOMPtr<nsIServiceManager> servMan;
 122     rv = NS_InitXPCOM2(getter_AddRefs(servMan), nsnull, nsnull);
 123     if (NS_FAILED(rv)) return -1;
 124     nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(servMan);
 125     NS_ASSERTION(registrar, "Null nsIComponentRegistrar");
 126     if (registrar)
 127       registrar->RegisterFactory(kTestFactoryCID,
 128                                  nsnull,
 129                                  nsnull,
 130                                  new TestFactory());
 131
 132     ITestClass *t = NULL;
 133     CallCreateInstance(kTestFactoryCID, &t);
 134
 135     if (t != NULL) {
 136       t->Test();
 137       t->Release();
 138     } else {
 139       printf("CreateInstance failed\n");
 140     }
 141
 142     t = NULL;
 143
 144     CallCreateInstance(kTestLoadedFactoryCID, &t);
 145
 146     if (t != NULL) {
 147       t->Test();
 148       t->Release();
 149     } else {
 150       printf("Dynamic CreateInstance failed\n");
 151     }
 152   } // this scopes the nsCOMPtrs
 153   // no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM
 154   rv = NS_ShutdownXPCOM(nsnull);
 155   NS_ASSERTION(NS_SUCCEEDED(rv), "NS_ShutdownXPCOM failed");
 156   return 0;
 157 }
 158