LCOV - code coverage report
Current view: top level - stoc/source/javaloader - javaloader.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 96 138 69.6 %
Date: 2012-08-25 Functions: 9 14 64.3 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 93 282 33.0 %

           Branch data     Line data    Source code
       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*
       3                 :            :  * This file is part of the LibreOffice project.
       4                 :            :  *
       5                 :            :  * This Source Code Form is subject to the terms of the Mozilla Public
       6                 :            :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7                 :            :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8                 :            :  *
       9                 :            :  * This file incorporates work covered by the following license notice:
      10                 :            :  *
      11                 :            :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12                 :            :  *   contributor license agreements. See the NOTICE file distributed
      13                 :            :  *   with this work for additional information regarding copyright
      14                 :            :  *   ownership. The ASF licenses this file to you under the Apache
      15                 :            :  *   License, Version 2.0 (the "License"); you may not use this file
      16                 :            :  *   except in compliance with the License. You may obtain a copy of
      17                 :            :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18                 :            :  */
      19                 :            : 
      20                 :            : #include <cstdarg>
      21                 :            : #include <osl/diagnose.h>
      22                 :            : #include <osl/process.h>
      23                 :            : 
      24                 :            : #include <rtl/process.h>
      25                 :            : #include <rtl/ustrbuf.hxx>
      26                 :            : 
      27                 :            : #include <uno/environment.h>
      28                 :            : #include <uno/mapping.hxx>
      29                 :            : #include "com/sun/star/uno/RuntimeException.hpp"
      30                 :            : 
      31                 :            : #include <cppuhelper/servicefactory.hxx>
      32                 :            : 
      33                 :            : #ifdef LINUX
      34                 :            : #undef minor
      35                 :            : #undef major
      36                 :            : #endif
      37                 :            : 
      38                 :            : #include <com/sun/star/java/XJavaVM.hpp>
      39                 :            : 
      40                 :            : #include <com/sun/star/lang/XMultiComponentFactory.hpp>
      41                 :            : 
      42                 :            : #include "jni.h"
      43                 :            : 
      44                 :            : #include <cppuhelper/factory.hxx>
      45                 :            : #include <cppuhelper/implementationentry.hxx>
      46                 :            : 
      47                 :            : #include <cppuhelper/implbase2.hxx>
      48                 :            : 
      49                 :            : #include <com/sun/star/loader/XImplementationLoader.hpp>
      50                 :            : #include <com/sun/star/lang/IllegalArgumentException.hpp>
      51                 :            : #include <com/sun/star/lang/XServiceInfo.hpp>
      52                 :            : #include <com/sun/star/lang/XInitialization.hpp>
      53                 :            : #include <com/sun/star/registry/XRegistryKey.hpp>
      54                 :            : 
      55                 :            : #include "jvmaccess/unovirtualmachine.hxx"
      56                 :            : #include "jvmaccess/virtualmachine.hxx"
      57                 :            : 
      58                 :            : namespace css = com::sun::star;
      59                 :            : 
      60                 :            : using namespace ::com::sun::star::java;
      61                 :            : using namespace ::com::sun::star::lang;
      62                 :            : using namespace ::com::sun::star::loader;
      63                 :            : using namespace ::com::sun::star::uno;
      64                 :            : using namespace ::com::sun::star::registry;
      65                 :            : 
      66                 :            : using namespace ::cppu;
      67                 :            : using namespace ::rtl;
      68                 :            : using namespace ::osl;
      69                 :            : 
      70                 :            : namespace stoc_javaloader {
      71                 :            : 
      72                 :            : static Mutex & getInitMutex();
      73                 :            : 
      74                 :          4 : static Sequence< OUString > loader_getSupportedServiceNames()
      75                 :            : {
      76                 :          4 :     Sequence< OUString > seqNames(2);
      77                 :            :     seqNames.getArray()[0] = OUString(
      78 [ +  - ][ +  - ]:          4 :         RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.loader.Java") );
      79         [ +  - ]:          4 :     seqNames.getArray()[1] = OUString(
      80         [ +  - ]:          8 :         RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.loader.Java2") );
      81                 :          4 :     return seqNames;
      82                 :            : }
      83                 :            : 
      84                 :          4 : static OUString loader_getImplementationName()
      85                 :            : {
      86                 :            :     return OUString(
      87                 :          4 :         RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.stoc.JavaComponentLoader" ) );
      88                 :            : }
      89                 :            : 
      90                 :            : class JavaComponentLoader : public WeakImplHelper2<XImplementationLoader, XServiceInfo>
      91                 :            : {
      92                 :            :     css::uno::Reference<XComponentContext> m_xComponentContext;
      93                 :            :     /** Do not use m_javaLoader directly. Instead use getJavaLoader.
      94                 :            :      */
      95                 :            :     css::uno::Reference<XImplementationLoader> m_javaLoader;
      96                 :            :     /** The retured Reference contains a null pointer if the office is not configured
      97                 :            :         to run java.
      98                 :            : 
      99                 :            :         @exception com::sun::star::uno::RuntimeException
     100                 :            :         If the Java implementation of the loader could not be obtained, for reasons other
     101                 :            :         then that java was not configured the RuntimeException is thrown.
     102                 :            :      */
     103                 :            :     const css::uno::Reference<XImplementationLoader> & getJavaLoader();
     104                 :            : 
     105                 :            : 
     106                 :            : public:
     107                 :            :     JavaComponentLoader(const css::uno::Reference<XComponentContext> & xCtx)
     108                 :            :         throw(RuntimeException);
     109                 :            :     virtual ~JavaComponentLoader() throw();
     110                 :            : 
     111                 :            : public:
     112                 :            :     // XServiceInfo
     113                 :            :     virtual OUString SAL_CALL getImplementationName() throw(RuntimeException);
     114                 :            :     virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName)
     115                 :            :         throw(RuntimeException);
     116                 :            :     virtual Sequence<OUString> SAL_CALL getSupportedServiceNames()
     117                 :            :         throw(RuntimeException);
     118                 :            : 
     119                 :            :     // XImplementationLoader
     120                 :            :     virtual css::uno::Reference<XInterface> SAL_CALL activate(
     121                 :            :         const OUString& implementationName, const OUString& implementationLoaderUrl,
     122                 :            :         const OUString& locationUrl, const css::uno::Reference<XRegistryKey>& xKey)
     123                 :            :         throw(CannotActivateFactoryException, RuntimeException);
     124                 :            :     virtual sal_Bool SAL_CALL writeRegistryInfo(
     125                 :            :         const css::uno::Reference<XRegistryKey>& xKey,
     126                 :            :         const OUString& implementationLoaderUrl, const OUString& locationUrl)
     127                 :            :         throw(CannotRegisterImplementationException, RuntimeException);
     128                 :            : };
     129                 :            : 
     130                 :          8 : const css::uno::Reference<XImplementationLoader> & JavaComponentLoader::getJavaLoader()
     131                 :            : {
     132 [ +  - ][ +  - ]:          8 :     MutexGuard aGuard(getInitMutex());
     133                 :            : 
     134         [ +  + ]:          8 :     if (m_javaLoader.is())
     135                 :          4 :         return m_javaLoader;
     136                 :            : 
     137                 :          4 :     uno_Environment * pJava_environment = NULL;
     138                 :          4 :     uno_Environment * pUno_environment = NULL;
     139                 :          4 :     typelib_InterfaceTypeDescription * pType_XImplementationLoader = 0;
     140                 :            : 
     141                 :            :     try {
     142                 :            :         // get a java vm, where we can create a loader
     143                 :            :         css::uno::Reference<XJavaVM> javaVM_xJavaVM(
     144         [ +  - ]:          4 :             m_xComponentContext->getValueByName(
     145                 :            :                 OUString(RTL_CONSTASCII_USTRINGPARAM(
     146                 :            :                              "/singletons/"
     147                 :          4 :                              "com.sun.star.java.theJavaVirtualMachine"))),
     148 [ +  - ][ +  - ]:          4 :             UNO_QUERY_THROW);
                 [ +  - ]
     149                 :            : 
     150                 :            :         // Use the special protocol of XJavaVM.getJavaVM:  If the passed in
     151                 :            :         // process ID has an extra 17th byte of value one, the returned any
     152                 :            :         // contains a pointer to a jvmaccess::UnoVirtualMachine, instead of the
     153                 :            :         // underlying JavaVM pointer:
     154         [ +  - ]:          4 :         Sequence<sal_Int8> processID(17);
     155 [ +  - ][ +  - ]:          4 :         rtl_getGlobalProcessId(reinterpret_cast<sal_uInt8 *>(processID.getArray()));
     156         [ +  - ]:          4 :         processID[16] = 1;
     157                 :            : 
     158                 :            :         // We get a non-refcounted pointer to a jvmaccess::UnoVirtualMachine
     159                 :            :         // from the XJavaVM service (the pointer is guaranteed to be valid
     160                 :            :         // as long as our reference to the XJavaVM service lasts), and
     161                 :            :         // convert the non-refcounted pointer into a refcounted one
     162                 :            :         // immediately:
     163                 :            :         OSL_ENSURE(sizeof (sal_Int64)
     164                 :            :                         >= sizeof (jvmaccess::UnoVirtualMachine *),
     165                 :            :                     "Pointer cannot be represented as sal_Int64");
     166                 :            :         sal_Int64 nPointer = reinterpret_cast< sal_Int64 >(
     167                 :          4 :             static_cast< jvmaccess::UnoVirtualMachine * >(0));
     168 [ +  - ][ +  - ]:          4 :         javaVM_xJavaVM->getJavaVM(processID) >>= nPointer;
     169                 :            :         rtl::Reference< jvmaccess::UnoVirtualMachine > xVirtualMachine(
     170         [ +  - ]:          4 :             reinterpret_cast< jvmaccess::UnoVirtualMachine * >(nPointer));
     171         [ -  + ]:          4 :         if (!xVirtualMachine.is())
     172                 :            :         {
     173                 :            :             //throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
     174                 :            :             //   "javaloader error - JavaVirtualMachine service could not provide a VM")),
     175                 :            :             //   css::uno::Reference<XInterface>());
     176                 :            :             // We must not throw a RuntimeException, because this might end the applications.
     177                 :            :             // It is ok if java components
     178                 :            :             // are not working because the office can be installed without Java support.
     179                 :            :             SAL_WARN("stoc", "getJavaVM returned null");
     180                 :          0 :             return m_javaLoader; // null-ref
     181                 :            :         }
     182                 :            : 
     183                 :            :         try
     184                 :            :         {
     185                 :            :             jvmaccess::VirtualMachine::AttachGuard aGuard2(
     186 [ +  - ][ +  - ]:          4 :                 xVirtualMachine->getVirtualMachine());
                 [ +  - ]
     187                 :          4 :             JNIEnv * pJNIEnv = aGuard2.getEnvironment();
     188                 :            : 
     189                 :            :             // instantiate the java JavaLoader
     190         [ +  - ]:          4 :             jclass jcClassLoader = pJNIEnv->FindClass("java/lang/ClassLoader");
     191 [ +  - ][ -  + ]:          4 :             if(pJNIEnv->ExceptionOccurred())
     192                 :            :                 throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
     193                 :            :                     "javaloader error - could not find class java/lang/ClassLoader")),
     194 [ #  # ][ #  # ]:          0 :                     css::uno::Reference<XInterface>());
     195                 :            :             jmethodID jmLoadClass = pJNIEnv->GetMethodID(
     196                 :            :                 jcClassLoader, "loadClass",
     197         [ +  - ]:          4 :                 "(Ljava/lang/String;)Ljava/lang/Class;");
     198 [ +  - ][ -  + ]:          4 :             if(pJNIEnv->ExceptionOccurred())
     199                 :            :                 throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
     200                 :            :                     "javaloader error - could not find method java/lang/ClassLoader.loadClass")),
     201 [ #  # ][ #  # ]:          0 :                     css::uno::Reference<XInterface>());
     202                 :            :             jvalue arg;
     203                 :            :             arg.l = pJNIEnv->NewStringUTF(
     204         [ +  - ]:          4 :                 "com.sun.star.comp.loader.JavaLoader");
     205 [ +  - ][ -  + ]:          4 :             if(pJNIEnv->ExceptionOccurred())
     206                 :            :                 throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
     207                 :            :                     "javaloader error - could not create string")),
     208 [ #  # ][ #  # ]:          0 :                     css::uno::Reference<XInterface>());
     209                 :            :             jclass jcJavaLoader = static_cast< jclass >(
     210                 :            :                 pJNIEnv->CallObjectMethodA(
     211         [ +  - ]:          4 :                     static_cast< jobject >(xVirtualMachine->getClassLoader()),
     212         [ +  - ]:          4 :                     jmLoadClass, &arg));
     213 [ +  - ][ -  + ]:          4 :             if(pJNIEnv->ExceptionOccurred())
     214                 :            :                 throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
     215                 :            :                     "javaloader error - could not find class com/sun/star/comp/loader/JavaLoader")),
     216 [ #  # ][ #  # ]:          0 :                     css::uno::Reference<XInterface>());
     217         [ +  - ]:          4 :             jmethodID jmJavaLoader_init = pJNIEnv->GetMethodID(jcJavaLoader, "<init>", "()V");
     218 [ +  - ][ -  + ]:          4 :             if(pJNIEnv->ExceptionOccurred())
     219                 :            :                 throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
     220                 :            :                     "javaloader error - instantiation of com.sun.star.comp.loader.JavaLoader failed")),
     221 [ #  # ][ #  # ]:          0 :                     css::uno::Reference<XInterface>());
     222         [ +  - ]:          4 :             jobject joJavaLoader = pJNIEnv->NewObject(jcJavaLoader, jmJavaLoader_init);
     223 [ +  - ][ -  + ]:          4 :             if(pJNIEnv->ExceptionOccurred())
     224                 :            :                 throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
     225                 :            :                     "javaloader error - instantiation of com.sun.star.comp.loader.JavaLoader failed")),
     226 [ #  # ][ #  # ]:          0 :                     css::uno::Reference<XInterface>());
     227                 :            : 
     228                 :            :             // map the java JavaLoader to this environment
     229         [ +  - ]:          4 :             OUString sJava(RTL_CONSTASCII_USTRINGPARAM("java"));
     230                 :            :             uno_getEnvironment(&pJava_environment, sJava.pData,
     231                 :          4 :                                 xVirtualMachine.get());
     232         [ -  + ]:          4 :             if(!pJava_environment)
     233                 :            :                 throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
     234 [ #  # ][ #  # ]:          0 :                     "javaloader error - no Java environment available")), css::uno::Reference<XInterface>());
     235                 :            : 
     236                 :            :             // why is there no convinient contructor?
     237         [ +  - ]:          4 :             OUString sCppu_current_lb_name(RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME));
     238                 :          4 :             uno_getEnvironment(&pUno_environment, sCppu_current_lb_name.pData, NULL);
     239         [ -  + ]:          4 :             if(!pUno_environment)
     240                 :            :                 throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
     241 [ #  # ][ #  # ]:          0 :                     "javaloader error - no C++ environment available")), css::uno::Reference<XInterface>());
     242                 :            : 
     243                 :          4 :             Mapping java_curr(pJava_environment, pUno_environment);
     244         [ -  + ]:          4 :             if(!java_curr.is())
     245                 :            :                 throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
     246 [ #  # ][ #  # ]:          0 :                     "javaloader error - no mapping from java to C++ ")), css::uno::Reference<XInterface>());
     247                 :            : 
     248                 :            :             // release java environment
     249         [ +  - ]:          4 :             pJava_environment->release(pJava_environment);
     250                 :          4 :             pJava_environment = NULL;
     251                 :            : 
     252                 :            :             // release uno environment
     253         [ +  - ]:          4 :             pUno_environment->release(pUno_environment);
     254                 :          4 :             pUno_environment = NULL;
     255                 :            : 
     256         [ +  - ]:          4 :             getCppuType((css::uno::Reference<XImplementationLoader> *) 0).
     257                 :          4 :                 getDescription((typelib_TypeDescription **) & pType_XImplementationLoader);
     258         [ -  + ]:          4 :             if(!pType_XImplementationLoader)
     259                 :            :                 throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
     260                 :            :                     "javaloader error - no type information for XImplementationLoader")),
     261 [ #  # ][ #  # ]:          0 :                     css::uno::Reference<XInterface>());
     262                 :            : 
     263                 :            :             m_javaLoader = css::uno::Reference<XImplementationLoader>(reinterpret_cast<XImplementationLoader *>(
     264 [ +  - ][ +  - ]:          4 :                             java_curr.mapInterface(joJavaLoader, pType_XImplementationLoader)));
                 [ +  - ]
     265         [ +  - ]:          4 :             pJNIEnv->DeleteLocalRef( joJavaLoader );
     266         [ -  + ]:          4 :             if(!m_javaLoader.is())
     267                 :            :                 throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
     268                 :            :                     "javaloader error - mapping of java XImplementationLoader to c++ failed")),
     269 [ #  # ][ #  # ]:          0 :                     css::uno::Reference<XInterface>());
     270                 :            : 
     271                 :          4 :             typelib_typedescription_release(reinterpret_cast<typelib_TypeDescription *>(pType_XImplementationLoader));
     272 [ +  - ][ +  - ]:          4 :             pType_XImplementationLoader = NULL;
     273                 :            :         }
     274         [ #  # ]:          0 :         catch (jvmaccess::VirtualMachine::AttachGuard::CreationException &)
     275                 :            :         {
     276                 :            :             throw RuntimeException(
     277                 :            :                 OUString(RTL_CONSTASCII_USTRINGPARAM(
     278                 :            :                                 "jvmaccess::VirtualMachine::AttachGuard"
     279   [ #  #  #  #  :          0 :                                 "::CreationException")),0);
                   #  # ]
     280                 :            :         }
     281                 :            : 
     282                 :            :         // set the service manager at the javaloader
     283         [ +  - ]:          4 :         css::uno::Reference<XInitialization> javaLoader_XInitialization(m_javaLoader, UNO_QUERY);
     284         [ -  + ]:          4 :         if(!javaLoader_XInitialization.is())
     285                 :            :             throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
     286                 :            :                 "javaloader error - initialization of java javaloader failed, no XInitialization")),
     287 [ #  # ][ #  # ]:          0 :                 css::uno::Reference<XInterface>());
     288                 :            : 
     289                 :          4 :         Any any;
     290                 :            :         any <<= css::uno::Reference<XMultiComponentFactory>(
     291 [ +  - ][ +  - ]:          4 :             m_xComponentContext->getServiceManager());
                 [ +  - ]
     292                 :            : 
     293 [ +  - ][ +  - ]:          4 :         javaLoader_XInitialization->initialize(Sequence<Any>(&any, 1));
         [ +  - ][ +  - ]
         [ -  + ][ +  - ]
         [ -  + ][ +  - ]
                 [ +  - ]
     294                 :            :     }
     295         [ #  # ]:          0 :     catch(RuntimeException &) {
     296         [ #  # ]:          0 :         if(pJava_environment)
     297         [ #  # ]:          0 :             pJava_environment->release(pJava_environment);
     298                 :            : 
     299         [ #  # ]:          0 :         if(pUno_environment)
     300         [ #  # ]:          0 :             pUno_environment->release(pUno_environment);
     301                 :            : 
     302         [ #  # ]:          0 :         if(pType_XImplementationLoader)
     303                 :            :             typelib_typedescription_release(
     304                 :          0 :                 reinterpret_cast<typelib_TypeDescription *>(pType_XImplementationLoader));
     305                 :          0 :         throw;
     306                 :            :     }
     307                 :            :     OSL_TRACE("javaloader.cxx: mapped javaloader - 0x%x", m_javaLoader.get());
     308         [ +  - ]:          8 :     return m_javaLoader;
     309                 :            : }
     310                 :            : 
     311                 :          4 : JavaComponentLoader::JavaComponentLoader(const css::uno::Reference<XComponentContext> & xCtx) throw(RuntimeException) :
     312                 :          4 :     m_xComponentContext(xCtx)
     313                 :            : 
     314                 :            : {
     315                 :            : 
     316                 :          4 : }
     317                 :            : 
     318                 :          0 : JavaComponentLoader::~JavaComponentLoader() throw()
     319                 :            : {
     320         [ #  # ]:          0 : }
     321                 :            : 
     322                 :            : // XServiceInfo
     323                 :          0 : OUString SAL_CALL JavaComponentLoader::getImplementationName()
     324                 :            :     throw(::com::sun::star::uno::RuntimeException)
     325                 :            : {
     326                 :          0 :     return loader_getImplementationName();
     327                 :            : }
     328                 :            : 
     329                 :          0 : sal_Bool SAL_CALL JavaComponentLoader::supportsService(const OUString & ServiceName)
     330                 :            :     throw(::com::sun::star::uno::RuntimeException)
     331                 :            : {
     332                 :          0 :     sal_Bool bSupport = sal_False;
     333                 :            : 
     334         [ #  # ]:          0 :     Sequence<OUString> aSNL = getSupportedServiceNames();
     335         [ #  # ]:          0 :     const OUString * pArray = aSNL.getArray();
     336 [ #  # ][ #  # ]:          0 :     for(sal_Int32 i = 0; i < aSNL.getLength() && !bSupport; ++ i)
                 [ #  # ]
     337                 :          0 :         bSupport = pArray[i] == ServiceName;
     338                 :            : 
     339         [ #  # ]:          0 :     return bSupport;
     340                 :            : }
     341                 :            : 
     342                 :          0 : Sequence<OUString> SAL_CALL JavaComponentLoader::getSupportedServiceNames()
     343                 :            :     throw(::com::sun::star::uno::RuntimeException)
     344                 :            : {
     345                 :          0 :     return loader_getSupportedServiceNames();
     346                 :            : }
     347                 :            : 
     348                 :            : 
     349                 :            : 
     350                 :            : // XImplementationLoader
     351                 :          4 : sal_Bool SAL_CALL JavaComponentLoader::writeRegistryInfo(
     352                 :            :     const css::uno::Reference<XRegistryKey> & xKey, const OUString & blabla,
     353                 :            :     const OUString & rLibName)
     354                 :            :     throw(CannotRegisterImplementationException, RuntimeException)
     355                 :            : {
     356                 :          4 :     const css::uno::Reference<XImplementationLoader> & loader = getJavaLoader();
     357         [ +  - ]:          4 :     if (loader.is())
     358                 :          4 :         return loader->writeRegistryInfo(xKey, blabla, rLibName);
     359                 :            :     else
     360                 :            :         throw CannotRegisterImplementationException(
     361 [ #  # ][ #  # ]:          0 :             OUString(RTL_CONSTASCII_USTRINGPARAM("Could not create Java implementation loader")), NULL);
                 [ #  # ]
     362                 :            : }
     363                 :            : 
     364                 :            : 
     365                 :          4 : css::uno::Reference<XInterface> SAL_CALL JavaComponentLoader::activate(
     366                 :            :     const OUString & rImplName, const OUString & blabla, const OUString & rLibName,
     367                 :            :     const css::uno::Reference<XRegistryKey> & xKey)
     368                 :            :     throw(CannotActivateFactoryException, RuntimeException)
     369                 :            : {
     370                 :          4 :     const css::uno::Reference<XImplementationLoader> & loader = getJavaLoader();
     371         [ +  - ]:          4 :     if (loader.is())
     372                 :          4 :         return loader->activate(rImplName, blabla, rLibName, xKey);
     373                 :            :     else
     374                 :            :         throw CannotActivateFactoryException(
     375 [ #  # ][ #  # ]:          0 :             OUString(RTL_CONSTASCII_USTRINGPARAM("Could not create Java implementation loader")), NULL);
                 [ #  # ]
     376                 :            : }
     377                 :            : 
     378                 :         16 : static Mutex & getInitMutex()
     379                 :            : {
     380                 :            :     static Mutex * pMutex = 0;
     381         [ +  + ]:         16 :     if( ! pMutex )
     382                 :            :     {
     383 [ +  - ][ +  - ]:          4 :         MutexGuard guard( Mutex::getGlobalMutex() );
     384         [ +  - ]:          4 :         if( ! pMutex )
     385                 :            :         {
     386 [ +  - ][ +  - ]:          4 :             static Mutex mutex;
         [ +  - ][ #  # ]
     387                 :          4 :             pMutex = &mutex;
     388         [ +  - ]:          4 :         }
     389                 :            :     }
     390                 :         16 :     return *pMutex;
     391                 :            : }
     392                 :            : 
     393                 :          8 : css::uno::Reference<XInterface> SAL_CALL JavaComponentLoader_CreateInstance(const css::uno::Reference<XComponentContext> & xCtx) throw(Exception)
     394                 :            : {
     395                 :          8 :     css::uno::Reference<XInterface> xRet;
     396                 :            : 
     397                 :            :     try {
     398 [ +  - ][ +  - ]:          8 :         MutexGuard guard( getInitMutex() );
     399                 :            :         // The javaloader is never destroyed and there can be only one!
     400                 :            :         // Note that the first context wins ....
     401                 :            :         static css::uno::Reference< XInterface > *pStaticRef = 0;
     402         [ +  + ]:          8 :         if( pStaticRef )
     403                 :            :         {
     404         [ +  - ]:          4 :             xRet = *pStaticRef;
     405                 :            :         }
     406                 :            :         else
     407                 :            :         {
     408 [ +  - ][ +  - ]:          4 :             xRet = *new JavaComponentLoader(xCtx);
                 [ +  - ]
     409                 :          4 :             pStaticRef = new css::uno::Reference< XInterface > ( xRet );
     410         [ +  - ]:          8 :         }
     411                 :            :     }
     412         [ #  # ]:          0 :     catch(const RuntimeException & runtimeException) {
     413         [ #  # ]:          0 :         OString message = OUStringToOString(runtimeException.Message, RTL_TEXTENCODING_ASCII_US);
     414         [ #  # ]:          0 :         osl_trace("javaloader - could not init javaloader cause of %s", message.getStr());
     415                 :          0 :         throw;
     416                 :            :     }
     417                 :            : 
     418                 :          8 :     return xRet;
     419                 :            : }
     420                 :            : 
     421                 :            : } //end namespace
     422                 :            : 
     423                 :            : 
     424                 :            : using namespace stoc_javaloader;
     425                 :            : 
     426                 :            : static struct ImplementationEntry g_entries[] =
     427                 :            : {
     428                 :            :     {
     429                 :            :         JavaComponentLoader_CreateInstance, loader_getImplementationName,
     430                 :            :         loader_getSupportedServiceNames, createSingleComponentFactory,
     431                 :            :         0 , 0
     432                 :            :     },
     433                 :            :     { 0, 0, 0, 0, 0, 0 }
     434                 :            : };
     435                 :            : 
     436                 :            : extern "C"
     437                 :            : {
     438                 :          4 : SAL_DLLPUBLIC_EXPORT void * SAL_CALL component_getFactory(
     439                 :            :     const sal_Char * pImplName, void * pServiceManager, void * pRegistryKey )
     440                 :            : {
     441                 :          4 :     return component_getFactoryHelper( pImplName, pServiceManager, pRegistryKey , g_entries );
     442                 :            : }
     443                 :            : }
     444                 :            : 
     445                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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