494 lines
19 KiB
C++
494 lines
19 KiB
C++
/*************************************************************************
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* $RCSfile: javaloader.cxx,v $
|
|
*
|
|
* $Revision: 1.26 $
|
|
*
|
|
* last change: $Author: obo $ $Date: 2006-09-16 17:30:31 $
|
|
*
|
|
* The Contents of this file are made available subject to
|
|
* the terms of GNU Lesser General Public License Version 2.1.
|
|
*
|
|
*
|
|
* GNU Lesser General Public License Version 2.1
|
|
* =============================================
|
|
* Copyright 2005 by Sun Microsystems, Inc.
|
|
* 901 San Antonio Road, Palo Alto, CA 94303, USA
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2.1, as published by the Free Software Foundation.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
************************************************************************/
|
|
|
|
// MARKER(update_precomp.py): autogen include statement, do not remove
|
|
#include "precompiled_stoc.hxx"
|
|
|
|
|
|
#include <cstdarg>
|
|
#include <osl/diagnose.h>
|
|
#include <osl/process.h>
|
|
|
|
#include <rtl/process.h>
|
|
#include <rtl/ustrbuf.hxx>
|
|
|
|
#include <uno/environment.h>
|
|
#include <uno/mapping.hxx>
|
|
#include "com/sun/star/uno/RuntimeException.hpp"
|
|
|
|
#include <cppuhelper/servicefactory.hxx>
|
|
|
|
#ifdef LINUX
|
|
#undef minor
|
|
#undef major
|
|
#endif
|
|
|
|
#include <com/sun/star/java/XJavaVM.hpp>
|
|
|
|
#include <com/sun/star/lang/XMultiComponentFactory.hpp>
|
|
|
|
#include "jni.h"
|
|
|
|
#include <cppuhelper/factory.hxx>
|
|
#include <cppuhelper/implementationentry.hxx>
|
|
|
|
#include <cppuhelper/implbase2.hxx>
|
|
|
|
#include <com/sun/star/loader/XImplementationLoader.hpp>
|
|
#include <com/sun/star/lang/IllegalArgumentException.hpp>
|
|
#include <com/sun/star/lang/XServiceInfo.hpp>
|
|
#include <com/sun/star/lang/XInitialization.hpp>
|
|
#include <com/sun/star/registry/XRegistryKey.hpp>
|
|
|
|
#include "jvmaccess/unovirtualmachine.hxx"
|
|
#include "jvmaccess/virtualmachine.hxx"
|
|
|
|
namespace css = com::sun::star;
|
|
|
|
using namespace ::com::sun::star::java;
|
|
using namespace ::com::sun::star::lang;
|
|
using namespace ::com::sun::star::loader;
|
|
using namespace ::com::sun::star::uno;
|
|
using namespace ::com::sun::star::registry;
|
|
|
|
using namespace ::cppu;
|
|
using namespace ::rtl;
|
|
using namespace ::osl;
|
|
|
|
namespace stoc_javaloader {
|
|
|
|
static Mutex & getInitMutex();
|
|
|
|
static Sequence< OUString > loader_getSupportedServiceNames()
|
|
{
|
|
static Sequence < OUString > *pNames = 0;
|
|
if( ! pNames )
|
|
{
|
|
MutexGuard guard( Mutex::getGlobalMutex() );
|
|
if( !pNames )
|
|
{
|
|
static Sequence< OUString > seqNames(2);
|
|
seqNames.getArray()[0] = OUString(
|
|
RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.loader.Java") );
|
|
seqNames.getArray()[1] = OUString(
|
|
RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.loader.Java2") );
|
|
pNames = &seqNames;
|
|
}
|
|
}
|
|
return *pNames;
|
|
}
|
|
|
|
static OUString loader_getImplementationName()
|
|
{
|
|
static OUString *pImplName = 0;
|
|
if( ! pImplName )
|
|
{
|
|
MutexGuard guard( Mutex::getGlobalMutex() );
|
|
if( ! pImplName )
|
|
{
|
|
static OUString implName(
|
|
RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.stoc.JavaComponentLoader" ) );
|
|
pImplName = &implName;
|
|
}
|
|
}
|
|
return *pImplName;
|
|
}
|
|
|
|
class JavaComponentLoader : public WeakImplHelper2<XImplementationLoader, XServiceInfo>
|
|
{
|
|
css::uno::Reference<XComponentContext> m_xComponentContext;
|
|
/** Do not use m_javaLoader directly. Instead use getJavaLoader.
|
|
*/
|
|
css::uno::Reference<XImplementationLoader> m_javaLoader;
|
|
/** The retured Reference contains a null pointer if the office is not configured
|
|
to run java.
|
|
|
|
@exception com::sun::star::uno::RuntimeException
|
|
If the Java implementation of the loader could not be obtained, for reasons other
|
|
then that java was not configured the RuntimeException is thrown.
|
|
*/
|
|
const css::uno::Reference<XImplementationLoader> & getJavaLoader();
|
|
|
|
|
|
public:
|
|
JavaComponentLoader(const css::uno::Reference<XComponentContext> & xCtx)
|
|
throw(RuntimeException);
|
|
virtual ~JavaComponentLoader() throw();
|
|
|
|
public:
|
|
// XServiceInfo
|
|
virtual OUString SAL_CALL getImplementationName() throw(RuntimeException);
|
|
virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName)
|
|
throw(RuntimeException);
|
|
virtual Sequence<OUString> SAL_CALL getSupportedServiceNames()
|
|
throw(RuntimeException);
|
|
|
|
// XImplementationLoader
|
|
virtual css::uno::Reference<XInterface> SAL_CALL activate(
|
|
const OUString& implementationName, const OUString& implementationLoaderUrl,
|
|
const OUString& locationUrl, const css::uno::Reference<XRegistryKey>& xKey)
|
|
throw(CannotActivateFactoryException, RuntimeException);
|
|
virtual sal_Bool SAL_CALL writeRegistryInfo(
|
|
const css::uno::Reference<XRegistryKey>& xKey,
|
|
const OUString& implementationLoaderUrl, const OUString& locationUrl)
|
|
throw(CannotRegisterImplementationException, RuntimeException);
|
|
};
|
|
|
|
const css::uno::Reference<XImplementationLoader> & JavaComponentLoader::getJavaLoader()
|
|
{
|
|
MutexGuard aGuard(getInitMutex());
|
|
|
|
if (m_javaLoader.is())
|
|
return m_javaLoader;
|
|
|
|
uno_Environment * pJava_environment = NULL;
|
|
uno_Environment * pUno_environment = NULL;
|
|
typelib_InterfaceTypeDescription * pType_XImplementationLoader = 0;
|
|
|
|
try {
|
|
// get a java vm, where we can create a loader
|
|
css::uno::Reference<XJavaVM> javaVM_xJavaVM(
|
|
m_xComponentContext->getValueByName(
|
|
OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"/singletons/"
|
|
"com.sun.star.java.theJavaVirtualMachine"))),
|
|
UNO_QUERY_THROW);
|
|
|
|
// Use the special protocol of XJavaVM.getJavaVM: If the passed in
|
|
// process ID has an extra 17th byte of value one, the returned any
|
|
// contains a pointer to a jvmaccess::UnoVirtualMachine, instead of the
|
|
// underlying JavaVM pointer:
|
|
Sequence<sal_Int8> processID(17);
|
|
rtl_getGlobalProcessId(reinterpret_cast<sal_uInt8 *>(processID.getArray()));
|
|
processID[16] = 1;
|
|
|
|
// We get a non-refcounted pointer to a jvmaccess::UnoVirtualMachine
|
|
// from the XJavaVM service (the pointer is guaranteed to be valid
|
|
// as long as our reference to the XJavaVM service lasts), and
|
|
// convert the non-refcounted pointer into a refcounted one
|
|
// immediately:
|
|
OSL_ENSURE(sizeof (sal_Int64)
|
|
>= sizeof (jvmaccess::UnoVirtualMachine *),
|
|
"Pointer cannot be represented as sal_Int64");
|
|
sal_Int64 nPointer = reinterpret_cast< sal_Int64 >(
|
|
static_cast< jvmaccess::UnoVirtualMachine * >(0));
|
|
javaVM_xJavaVM->getJavaVM(processID) >>= nPointer;
|
|
rtl::Reference< jvmaccess::UnoVirtualMachine > xVirtualMachine(
|
|
reinterpret_cast< jvmaccess::UnoVirtualMachine * >(nPointer));
|
|
if (!xVirtualMachine.is())
|
|
//throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
// "javaloader error - JavaVirtualMachine service could not provide a VM")),
|
|
// css::uno::Reference<XInterface>());
|
|
// We must not throw a RuntimeException, because this might end the applications.
|
|
// It is ok if java components
|
|
// are not working because the office can be installed without Java support.
|
|
return m_javaLoader; // null-ref
|
|
|
|
try
|
|
{
|
|
jvmaccess::VirtualMachine::AttachGuard aGuard2(
|
|
xVirtualMachine->getVirtualMachine());
|
|
JNIEnv * pJNIEnv = aGuard2.getEnvironment();
|
|
|
|
// instantiate the java JavaLoader
|
|
jclass jcClassLoader = pJNIEnv->FindClass("java/lang/ClassLoader");
|
|
if(pJNIEnv->ExceptionOccurred())
|
|
throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"javaloader error - could not find class java/lang/ClassLoader")),
|
|
css::uno::Reference<XInterface>());
|
|
jmethodID jmLoadClass = pJNIEnv->GetMethodID(
|
|
jcClassLoader, "loadClass",
|
|
"(Ljava/lang/String;)Ljava/lang/Class;");
|
|
if(pJNIEnv->ExceptionOccurred())
|
|
throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"javaloader error - could not find method java/lang/ClassLoader.loadClass")),
|
|
css::uno::Reference<XInterface>());
|
|
jvalue arg;
|
|
arg.l = pJNIEnv->NewStringUTF(
|
|
"com.sun.star.comp.loader.JavaLoader");
|
|
if(pJNIEnv->ExceptionOccurred())
|
|
throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"javaloader error - could not create string")),
|
|
css::uno::Reference<XInterface>());
|
|
jclass jcJavaLoader = static_cast< jclass >(
|
|
pJNIEnv->CallObjectMethodA(
|
|
static_cast< jobject >(xVirtualMachine->getClassLoader()),
|
|
jmLoadClass, &arg));
|
|
if(pJNIEnv->ExceptionOccurred())
|
|
throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"javaloader error - could not find class com/sun/star/comp/loader/JavaLoader")),
|
|
css::uno::Reference<XInterface>());
|
|
jmethodID jmJavaLoader_init = pJNIEnv->GetMethodID(jcJavaLoader, "<init>", "()V");
|
|
if(pJNIEnv->ExceptionOccurred())
|
|
throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"javaloader error - instantiation of com.sun.star.comp.loader.JavaLoader failed")),
|
|
css::uno::Reference<XInterface>());
|
|
jobject joJavaLoader = pJNIEnv->NewObject(jcJavaLoader, jmJavaLoader_init);
|
|
if(pJNIEnv->ExceptionOccurred())
|
|
throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"javaloader error - instantiation of com.sun.star.comp.loader.JavaLoader failed")),
|
|
css::uno::Reference<XInterface>());
|
|
|
|
// map the java JavaLoader to this environment
|
|
OUString sJava(RTL_CONSTASCII_USTRINGPARAM("java"));
|
|
uno_getEnvironment(&pJava_environment, sJava.pData,
|
|
xVirtualMachine.get());
|
|
if(!pJava_environment)
|
|
throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"javaloader error - no Java environment available")), css::uno::Reference<XInterface>());
|
|
|
|
// why is there no convinient contructor?
|
|
OUString sCppu_current_lb_name(RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME));
|
|
uno_getEnvironment(&pUno_environment, sCppu_current_lb_name.pData, NULL);
|
|
if(!pUno_environment)
|
|
throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"javaloader error - no C++ environment available")), css::uno::Reference<XInterface>());
|
|
|
|
Mapping java_curr(pJava_environment, pUno_environment);
|
|
if(!java_curr.is())
|
|
throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"javaloader error - no mapping from java to C++ ")), css::uno::Reference<XInterface>());
|
|
|
|
// release java environment
|
|
pJava_environment->release(pJava_environment);
|
|
pJava_environment = NULL;
|
|
|
|
// release uno environment
|
|
pUno_environment->release(pUno_environment);
|
|
pUno_environment = NULL;
|
|
|
|
getCppuType((css::uno::Reference<XImplementationLoader> *) 0).
|
|
getDescription((typelib_TypeDescription **) & pType_XImplementationLoader);
|
|
if(!pType_XImplementationLoader)
|
|
throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"javaloader error - no type information for XImplementationLoader")),
|
|
css::uno::Reference<XInterface>());
|
|
|
|
m_javaLoader = css::uno::Reference<XImplementationLoader>(reinterpret_cast<XImplementationLoader *>(
|
|
java_curr.mapInterface(joJavaLoader, pType_XImplementationLoader)));
|
|
pJNIEnv->DeleteLocalRef( joJavaLoader );
|
|
if(!m_javaLoader.is())
|
|
throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"javaloader error - mapping of java XImplementationLoader to c++ failed")),
|
|
css::uno::Reference<XInterface>());
|
|
|
|
typelib_typedescription_release(reinterpret_cast<typelib_TypeDescription *>(pType_XImplementationLoader));
|
|
pType_XImplementationLoader = NULL;
|
|
}
|
|
catch (jvmaccess::VirtualMachine::AttachGuard::CreationException &)
|
|
{
|
|
throw RuntimeException(
|
|
OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"jvmaccess::VirtualMachine::AttachGuard"
|
|
"::CreationException")),0);
|
|
}
|
|
|
|
// set the service manager at the javaloader
|
|
css::uno::Reference<XInitialization> javaLoader_XInitialization(m_javaLoader, UNO_QUERY);
|
|
if(!javaLoader_XInitialization.is())
|
|
throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"javaloader error - initialization of java javaloader failed, no XInitialization")),
|
|
css::uno::Reference<XInterface>());
|
|
|
|
Any any;
|
|
any <<= css::uno::Reference<XMultiComponentFactory>(
|
|
m_xComponentContext->getServiceManager());
|
|
|
|
javaLoader_XInitialization->initialize(Sequence<Any>(&any, 1));
|
|
}
|
|
catch(RuntimeException &) {
|
|
if(pJava_environment)
|
|
pJava_environment->release(pJava_environment);
|
|
|
|
if(pUno_environment)
|
|
pUno_environment->release(pUno_environment);
|
|
|
|
if(pType_XImplementationLoader)
|
|
typelib_typedescription_release(
|
|
reinterpret_cast<typelib_TypeDescription *>(pType_XImplementationLoader));
|
|
throw;
|
|
}
|
|
OSL_TRACE("javaloader.cxx: mapped javaloader - 0x%x", m_javaLoader.get());
|
|
return m_javaLoader;
|
|
}
|
|
|
|
JavaComponentLoader::JavaComponentLoader(const css::uno::Reference<XComponentContext> & xCtx) throw(RuntimeException) :
|
|
m_xComponentContext(xCtx)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
JavaComponentLoader::~JavaComponentLoader() throw()
|
|
{
|
|
}
|
|
|
|
// XServiceInfo
|
|
OUString SAL_CALL JavaComponentLoader::getImplementationName()
|
|
throw(::com::sun::star::uno::RuntimeException)
|
|
{
|
|
return loader_getImplementationName();
|
|
}
|
|
|
|
sal_Bool SAL_CALL JavaComponentLoader::supportsService(const OUString & ServiceName)
|
|
throw(::com::sun::star::uno::RuntimeException)
|
|
{
|
|
sal_Bool bSupport = sal_False;
|
|
|
|
Sequence<OUString> aSNL = getSupportedServiceNames();
|
|
const OUString * pArray = aSNL.getArray();
|
|
for(sal_Int32 i = 0; i < aSNL.getLength() && !bSupport; ++ i)
|
|
bSupport = pArray[i] == ServiceName;
|
|
|
|
return bSupport;
|
|
}
|
|
|
|
Sequence<OUString> SAL_CALL JavaComponentLoader::getSupportedServiceNames()
|
|
throw(::com::sun::star::uno::RuntimeException)
|
|
{
|
|
return loader_getSupportedServiceNames();
|
|
}
|
|
|
|
|
|
|
|
// XImplementationLoader
|
|
sal_Bool SAL_CALL JavaComponentLoader::writeRegistryInfo(
|
|
const css::uno::Reference<XRegistryKey> & xKey, const OUString & blabla,
|
|
const OUString & rLibName)
|
|
throw(CannotRegisterImplementationException, RuntimeException)
|
|
{
|
|
const css::uno::Reference<XImplementationLoader> & loader = getJavaLoader();
|
|
if (loader.is())
|
|
return loader->writeRegistryInfo(xKey, blabla, rLibName);
|
|
else
|
|
throw CannotRegisterImplementationException(
|
|
OUString(RTL_CONSTASCII_USTRINGPARAM("Could not create Java implementation loader")), NULL);
|
|
}
|
|
|
|
|
|
css::uno::Reference<XInterface> SAL_CALL JavaComponentLoader::activate(
|
|
const OUString & rImplName, const OUString & blabla, const OUString & rLibName,
|
|
const css::uno::Reference<XRegistryKey> & xKey)
|
|
throw(CannotActivateFactoryException, RuntimeException)
|
|
{
|
|
const css::uno::Reference<XImplementationLoader> & loader = getJavaLoader();
|
|
if (loader.is())
|
|
return loader->activate(rImplName, blabla, rLibName, xKey);
|
|
else
|
|
throw CannotActivateFactoryException(
|
|
OUString(RTL_CONSTASCII_USTRINGPARAM("Could not create Java implementation loader")), NULL);
|
|
}
|
|
|
|
static Mutex & getInitMutex()
|
|
{
|
|
static Mutex * pMutex = 0;
|
|
if( ! pMutex )
|
|
{
|
|
MutexGuard guard( Mutex::getGlobalMutex() );
|
|
if( ! pMutex )
|
|
{
|
|
static Mutex mutex;
|
|
pMutex = &mutex;
|
|
}
|
|
}
|
|
return *pMutex;
|
|
}
|
|
|
|
css::uno::Reference<XInterface> SAL_CALL JavaComponentLoader_CreateInstance(const css::uno::Reference<XComponentContext> & xCtx) throw(Exception)
|
|
{
|
|
css::uno::Reference<XInterface> xRet;
|
|
|
|
try {
|
|
MutexGuard guard( getInitMutex() );
|
|
// The javaloader is never destroyed and there can be only one!
|
|
// Note that the first context wins ....
|
|
static css::uno::Reference< XInterface > *pStaticRef = 0;
|
|
if( pStaticRef )
|
|
{
|
|
xRet = *pStaticRef;
|
|
}
|
|
else
|
|
{
|
|
xRet = *new JavaComponentLoader(xCtx);
|
|
pStaticRef = new css::uno::Reference< XInterface > ( xRet );
|
|
}
|
|
}
|
|
catch(RuntimeException & runtimeException) {
|
|
OString message = OUStringToOString(runtimeException.Message, RTL_TEXTENCODING_ASCII_US);
|
|
osl_trace("javaloader - could not init javaloader cause of %s", message.getStr());
|
|
throw;
|
|
}
|
|
|
|
return xRet;
|
|
}
|
|
|
|
} //end namespace
|
|
|
|
|
|
using namespace stoc_javaloader;
|
|
|
|
static struct ImplementationEntry g_entries[] =
|
|
{
|
|
{
|
|
JavaComponentLoader_CreateInstance, loader_getImplementationName,
|
|
loader_getSupportedServiceNames, createSingleComponentFactory,
|
|
0 , 0
|
|
},
|
|
{ 0, 0, 0, 0, 0, 0 }
|
|
};
|
|
|
|
extern "C"
|
|
{
|
|
// NOTE: component_canUnload is not exported, as the library cannot be unloaded.
|
|
|
|
//==================================================================================================
|
|
void SAL_CALL component_getImplementationEnvironment(
|
|
const sal_Char ** ppEnvTypeName, uno_Environment ** )
|
|
{
|
|
*ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
|
|
}
|
|
//==================================================================================================
|
|
sal_Bool SAL_CALL component_writeInfo(
|
|
void * pServiceManager, void * pRegistryKey )
|
|
{
|
|
return component_writeInfoHelper( pServiceManager, pRegistryKey, g_entries );
|
|
}
|
|
//==================================================================================================
|
|
void * SAL_CALL component_getFactory(
|
|
const sal_Char * pImplName, void * pServiceManager, void * pRegistryKey )
|
|
{
|
|
return component_getFactoryHelper( pImplName, pServiceManager, pRegistryKey , g_entries );
|
|
}
|
|
}
|