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office-gobmx/configmgr/source/platformbe/systemintegrationmanager.cxx
Rüdiger Timm 1b945867b5 INTEGRATION: CWS changefileheader (1.7.72); FILE MERGED 
2008/04/01 12:27:31 thb 1.7.72.2: #i85898# Stripping all external header guards
2008/03/31 12:22:50 rt 1.7.72.1: #i87441# Change license header to LPGL v3.
2008-04-11 12:25:57 +00:00

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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: systemintegrationmanager.cxx,v $
* $Revision: 1.8 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_configmgr.hxx"
#include "systemintegrationmanager.hxx"
#include <com/sun/star/container/XContentEnumerationAccess.hpp>
#include <com/sun/star/container/XEnumeration.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/registry/XRegistryKey.hpp>
namespace configmgr { namespace backend {
//==============================================================================
#define OU2A( oustr ) (rtl::OUStringToOString( oustr, RTL_TEXTENCODING_ASCII_US ).getStr())
//==============================================================================
PlatformBackend BackendRef::getBackend(uno::Reference<uno::XComponentContext> const & xContext)
{
if (!mBackend.is() && mFactory.is())
try
{
mBackend.set( mFactory->createInstanceWithContext(xContext), uno::UNO_QUERY_THROW );
}
catch(uno::Exception& e)
{
OSL_TRACE("SystemIntegration::getSupportingBackend - could not create platform Backend: %s",
OU2A(e.Message) );
}
return mBackend;
}
//------------------------------------------------------------------------------
void BackendRef::disposeBackend()
{
uno::Reference< lang::XComponent> xComp( mBackend, uno::UNO_QUERY );
if (xComp.is())
try
{
xComp->dispose();
}
catch(uno::Exception &)
{}
mBackend.clear();
}
//==============================================================================
SystemIntegrationManager::SystemIntegrationManager(const uno::Reference<uno::XComponentContext>& xContext)
: BackendBase(mMutex)
, mMutex()
, mContext(xContext)
, mPlatformBackends()
{
}
//------------------------------------------------------------------------------
SystemIntegrationManager::~SystemIntegrationManager()
{
}
//------------------------------------------------------------------------------
void SAL_CALL SystemIntegrationManager::initialize(
const uno::Sequence<uno::Any>& /*aParameters*/)
throw (uno::RuntimeException, uno::Exception,
lang::IllegalArgumentException,
backenduno::BackendSetupException)
{
buildLookupTable();
}
//------------------------------------------------------------------------------
static const rtl::OUString getAllComponentsName()
{
sal_Unicode const kStar = '*';
return rtl::OUString(&kStar,1);
}
//------------------------------------------------------------------------------
void SystemIntegrationManager::buildLookupTable()
{
static const rtl::OUString kPlatformServiceName(
RTL_CONSTASCII_USTRINGPARAM("com.sun.star.configuration.backend.PlatformBackend")) ;
//Build platform backend map componentName -> servicefactory
uno::Reference<css::container::XContentEnumerationAccess> xEnumAccess
(mContext->getServiceManager(),uno::UNO_QUERY_THROW);
uno::Reference<css::container::XEnumeration> xEnum =
xEnumAccess->createContentEnumeration(kPlatformServiceName);
if (xEnum.is())
{
osl::MutexGuard lock(mMutex);
while (xEnum->hasMoreElements())
{
BackendFactory xServiceFactory( xEnum->nextElement(),uno::UNO_QUERY);
if (xServiceFactory.is())
{
uno::Sequence<rtl::OUString> aKeys = getSupportedComponents(xServiceFactory);
for (sal_Int32 i = 0 ; i < aKeys.getLength() ; ++i)
{
BackendRef aBackendRef(xServiceFactory);
//OSL_TRACE("SystemInteg -Adding Factory Backend to map for key %s",
//rtl::OUStringToOString(aKeys[i], RTL_TEXTENCODING_ASCII_US).getStr() );
mPlatformBackends.insert( BackendFactoryList::value_type(aKeys[i],aBackendRef));
}
}
}
}
}
//---------------------------------------------------------------------------------------------
uno::Sequence<rtl::OUString>
SystemIntegrationManager::getSupportedComponents(const BackendFactory& xFactory)
{
static const rtl::OUString kProperSubkeyName( RTL_CONSTASCII_USTRINGPARAM("/DATA/SupportedComponents")) ;
static const rtl::OUString kImplKeyPropertyName( RTL_CONSTASCII_USTRINGPARAM("ImplementationKey")) ;
uno::Reference<css::beans::XPropertySet> xSMProp(xFactory,uno::UNO_QUERY);
if (xSMProp.is())
{
try
{
uno::Reference< css::registry::XRegistryKey > xImplKey(
xSMProp->getPropertyValue(kImplKeyPropertyName), uno::UNO_QUERY);
if (xImplKey.is())
{
uno::Reference< css::registry::XRegistryKey > xKey(
xImplKey->openKey(kProperSubkeyName));
if(xKey.is())
return xKey->getAsciiListValue();
}
}
catch(css::beans::UnknownPropertyException&){}
catch(css::registry::InvalidValueException&){}
catch(css::registry::InvalidRegistryException&){}
}
static const rtl::OUString kAllComponentsName = getAllComponentsName();
return uno::Sequence<rtl::OUString>(&kAllComponentsName, 1);
}
//---------------------------------------------------------------------------------------------
uno::Sequence<uno::Reference<backenduno::XLayer> > SAL_CALL
SystemIntegrationManager::listOwnLayers(const rtl::OUString& aComponent)
throw (backenduno::BackendAccessException,
lang::IllegalArgumentException,
uno::RuntimeException)
{
return listLayers(aComponent, rtl::OUString() ) ;
}
//------------------------------------------------------------------------------
uno::Reference<backenduno::XUpdateHandler> SAL_CALL
SystemIntegrationManager::getOwnUpdateHandler(const rtl::OUString& aComponent)
throw (backenduno::BackendAccessException,
lang::NoSupportException,
lang::IllegalArgumentException,
uno::RuntimeException)
{
return getUpdateHandler(aComponent, rtl::OUString()) ;
}
//------------------------------------------------------------------------------
SystemIntegrationManager::PlatformBackendList SystemIntegrationManager::getSupportingBackends(const rtl::OUString& aComponent)
{
typedef BackendFactoryList::iterator BFIter;
typedef std::pair<BFIter, BFIter> BFRange;
PlatformBackendList backends;
osl::MutexGuard lock(mMutex);
BFRange aRange = mPlatformBackends.equal_range(aComponent);
for (BFIter it=aRange.first; it != aRange.second; )
{
BFIter cur = it++; // increment here, as erase() may invalidate cur
PlatformBackend xBackend = cur->second.getBackend(mContext);
if (xBackend.is())
backends.push_back(xBackend);
else // prevent repeated attempts to create
mPlatformBackends.erase(cur);
}
return backends;
}
//------------------------------------------------------------------------------
uno::Sequence<uno::Reference<backenduno::XLayer> > SAL_CALL
SystemIntegrationManager::listLayers(const rtl::OUString& aComponent,
const rtl::OUString& /*aEntity*/)
throw (backenduno::BackendAccessException,
lang::IllegalArgumentException,
uno::RuntimeException)
{
PlatformBackendList const aUniversalBackends = getSupportingBackends(getAllComponentsName());
PlatformBackendList const aSpecialBackends = getSupportingBackends(aComponent);
uno::Sequence< uno::Reference<backenduno::XLayer> > aLayers(aUniversalBackends.size() + aSpecialBackends.size());
uno::Reference<backenduno::XLayer> * pLayer = aLayers.getArray();
for (PlatformBackendList::size_type i=0 ; i< aUniversalBackends.size(); ++i, ++pLayer)
*pLayer = aUniversalBackends[i]->getLayer(aComponent, rtl::OUString());
for (PlatformBackendList::size_type j=0 ; j< aSpecialBackends.size(); ++j, ++pLayer)
*pLayer = aSpecialBackends[j]->getLayer(aComponent, rtl::OUString());
OSL_ASSERT( aLayers.getConstArray()+aLayers.getLength() == pLayer );
return aLayers;
}
//------------------------------------------------------------------------------
uno::Reference<backenduno::XUpdateHandler> SAL_CALL
SystemIntegrationManager::getUpdateHandler(const rtl::OUString& /*aComponent*/,
const rtl::OUString& /*aEntity*/)
throw (backenduno::BackendAccessException,
lang::NoSupportException,
lang::IllegalArgumentException,
uno::RuntimeException)
{
throw lang::NoSupportException(
rtl::OUString::createFromAscii(
"SystemIntegrationManager: No Update Operation allowed, Read Only access"),
*this) ;
}
// ---------------------------------------------------------------------------
// ComponentHelper
void SAL_CALL SystemIntegrationManager::disposing()
{
osl::MutexGuard lock(mMutex);
for (BackendFactoryList::iterator it = mPlatformBackends.begin(); it != mPlatformBackends.end(); ++it)
it->second.disposeBackend();
mPlatformBackends.clear();
mContext.clear();
}
//------------------------------------------------------------------------------
rtl::OUString SAL_CALL SystemIntegrationManager::
getSystemIntegrationManagerName(void)
{
static const rtl::OUString kImplementationName(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.comp.configuration.backend.SystemIntegration")) ;
return kImplementationName ;
}
//------------------------------------------------------------------------------
rtl::OUString SAL_CALL SystemIntegrationManager::getImplementationName(void)
throw (uno::RuntimeException)
{
return getSystemIntegrationManagerName() ;
}
//------------------------------------------------------------------------------
uno::Sequence<rtl::OUString> SAL_CALL SystemIntegrationManager::
getServiceNames(void)
{
uno::Sequence<rtl::OUString> aServices(2) ;
aServices[0] = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.configuration.backend.SystemIntegration")) ;
aServices[1] = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.configuration.backend.Backend")) ;
return aServices ;
}
//------------------------------------------------------------------------------
sal_Bool SAL_CALL SystemIntegrationManager::supportsService(
const rtl::OUString& aServiceName)
throw (uno::RuntimeException)
{
uno::Sequence< rtl::OUString > const svc = getServiceNames();
for(sal_Int32 i = 0; i < svc.getLength(); ++i )
if(svc[i] == aServiceName)
return true;
return false;
}
//------------------------------------------------------------------------------
uno::Sequence<rtl::OUString>
SAL_CALL SystemIntegrationManager::getSupportedServiceNames(void)
throw (uno::RuntimeException)
{
return getServiceNames() ;
}
//------------------------------------------------------------------------------
void SAL_CALL SystemIntegrationManager::addChangesListener(
const uno::Reference<backenduno::XBackendChangesListener>& xListener,
const rtl::OUString& aComponent)
throw (::com::sun::star::uno::RuntimeException)
{
osl::MutexGuard aGuard(mMutex);
// FIXME: we really need our own InterfaceContainer plus a helper object
// that listens on the backends and forwards notifications
//Simply forward listener to platform backend that support listening
{
PlatformBackendList aUniversalBackends = getSupportingBackends(getAllComponentsName());
for (sal_uInt32 i=0; i< aUniversalBackends.size(); i++)
{
uno::Reference<backenduno::XBackendChangesNotifier> xBackend( aUniversalBackends[i], uno::UNO_QUERY) ;
if (xBackend.is())
xBackend->addChangesListener(xListener, aComponent);
}
}
{
PlatformBackendList aSpecialBackends = getSupportingBackends(aComponent);
for (sal_uInt32 i=0; i< aSpecialBackends.size(); i++)
{
uno::Reference<backenduno::XBackendChangesNotifier> xBackend( aSpecialBackends[i], uno::UNO_QUERY) ;
if (xBackend.is())
xBackend->addChangesListener(xListener, aComponent);
}
}
}
//------------------------------------------------------------------------------
void SAL_CALL SystemIntegrationManager::removeChangesListener(
const uno::Reference<backenduno::XBackendChangesListener>& xListener,
const rtl::OUString& aComponent)
throw (::com::sun::star::uno::RuntimeException)
{
osl::MutexGuard aGuard(mMutex);
{
PlatformBackendList aUniversalBackends = getSupportingBackends(getAllComponentsName());
for (sal_uInt32 i=0; i< aUniversalBackends.size(); i++)
{
uno::Reference<backenduno::XBackendChangesNotifier> xBackend( aUniversalBackends[i], uno::UNO_QUERY) ;
if (xBackend.is())
xBackend->removeChangesListener(xListener, aComponent);
}
}
{
PlatformBackendList aSpecialBackends = getSupportingBackends(aComponent);
for (sal_uInt32 i=0; i< aSpecialBackends.size(); i++)
{
uno::Reference<backenduno::XBackendChangesNotifier> xBackend( aSpecialBackends[i], uno::UNO_QUERY) ;
if (xBackend.is())
xBackend->removeChangesListener(xListener, aComponent);
}
}
}
//------------------------------------------------------------------------------
} } // configmgr.backend
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