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555168bd6be37cb811276fb235bcdfc01a2c731e
loongoffice/framework/source/services/modulemanager.cxx
Jelle van der Waa cb590428d8 fdo#63690 - replace RTL_CONTEXT_ macros with SAL_INFO 
Change-Id: Ib0edc828691c6a8edbd1f45d3c0e2851c32c865f
Reviewed-on: https://gerrit.libreoffice.org/5013
Reviewed-by: Fridrich Strba <fridrich@documentfoundation.org>
Tested-by: Fridrich Strba <fridrich@documentfoundation.org>
2013-07-23 14:05:13 +00:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "services/modulemanager.hxx"
#include "services/frame.hxx"
#include <threadhelp/readguard.hxx>
#include <threadhelp/writeguard.hxx>
#include <services.h>
#include <com/sun/star/frame/XFrame.hpp>
#include <com/sun/star/frame/XController.hpp>
#include <com/sun/star/frame/XModel.hpp>
#include <com/sun/star/frame/XModule.hpp>
#include <comphelper/configurationhelper.hxx>
#include <comphelper/sequenceashashmap.hxx>
#include <comphelper/sequenceasvector.hxx>
#include <comphelper/enumhelper.hxx>
namespace framework
{
static const char CFGPATH_FACTORIES[] = "/org.openoffice.Setup/Office/Factories";
static const char MODULEPROP_IDENTIFIER[] = "ooSetupFactoryModuleIdentifier";
OUString ModuleManager::impl_getStaticImplementationName() {
return IMPLEMENTATIONNAME_MODULEMANAGER;
}
css::uno::Reference< css::lang::XSingleServiceFactory >
ModuleManager::impl_createFactory(
css::uno::Reference< css::lang::XMultiServiceFactory > const & manager)
{
return cppu::createSingleFactory(
manager, impl_getStaticImplementationName(), &impl_createInstance,
impl_getSupportedServiceNames());
}
css::uno::Sequence< OUString >
ModuleManager::impl_getSupportedServiceNames() {
css::uno::Sequence< OUString > s(1);
s[0] = "com.sun.star.frame.ModuleManager";
return s;
}
css::uno::Reference< css::uno::XInterface > ModuleManager::impl_createInstance(
css::uno::Reference< css::lang::XMultiServiceFactory > const & manager)
{
return static_cast< cppu::OWeakObject * >(new ModuleManager( comphelper::getComponentContext(manager) ));
}
ModuleManager::ModuleManager(const css::uno::Reference< css::uno::XComponentContext >& xContext)
: ThreadHelpBase( )
, m_xContext (xContext)
{
}
ModuleManager::~ModuleManager()
{
if (m_xCFG.is())
m_xCFG.clear();
}
OUString ModuleManager::getImplementationName()
throw (css::uno::RuntimeException)
{
return impl_getStaticImplementationName();
}
sal_Bool ModuleManager::supportsService(OUString const & ServiceName)
throw (css::uno::RuntimeException)
{
css::uno::Sequence< OUString > s(getSupportedServiceNames());
for (sal_Int32 i = 0; i != s.getLength(); ++i) {
if (s[i] == ServiceName) {
return true;
}
}
return false;
}
css::uno::Sequence< OUString > ModuleManager::getSupportedServiceNames()
throw (css::uno::RuntimeException)
{
return impl_getSupportedServiceNames();
}
OUString SAL_CALL ModuleManager::identify(const css::uno::Reference< css::uno::XInterface >& xModule)
throw(css::lang::IllegalArgumentException,
css::frame::UnknownModuleException,
css::uno::RuntimeException )
{
// valid parameter?
css::uno::Reference< css::frame::XFrame > xFrame (xModule, css::uno::UNO_QUERY);
css::uno::Reference< css::awt::XWindow > xWindow (xModule, css::uno::UNO_QUERY);
css::uno::Reference< css::frame::XController > xController(xModule, css::uno::UNO_QUERY);
css::uno::Reference< css::frame::XModel > xModel (xModule, css::uno::UNO_QUERY);
if (
(!xFrame.is() ) &&
(!xWindow.is() ) &&
(!xController.is()) &&
(!xModel.is() )
)
{
throw css::lang::IllegalArgumentException(
OUString("Given module is not a frame nor a window, controller or model."),
static_cast< ::cppu::OWeakObject* >(this),
1);
}
if (xFrame.is())
{
xController = xFrame->getController();
xWindow = xFrame->getComponentWindow();
}
if (xController.is())
xModel = xController->getModel();
// modules are implemented by the deepest component in hierarchy ...
// Means: model -> controller -> window
// No fallbacks to higher components are allowed !
// Note : A frame provides access to module components only ... but it's not a module by himself.
OUString sModule;
if (xModel.is())
sModule = implts_identify(xModel);
else if (xController.is())
sModule = implts_identify(xController);
else if (xWindow.is())
sModule = implts_identify(xWindow);
if (sModule.isEmpty())
throw css::frame::UnknownModuleException(
OUString("Cant find suitable module for the given component."),
static_cast< ::cppu::OWeakObject* >(this));
return sModule;
}
void SAL_CALL ModuleManager::replaceByName(const OUString& sName ,
const css::uno::Any& aValue)
throw (css::lang::IllegalArgumentException ,
css::container::NoSuchElementException,
css::lang::WrappedTargetException ,
css::uno::RuntimeException )
{
::comphelper::SequenceAsHashMap lProps(aValue);
if (lProps.empty() )
{
throw css::lang::IllegalArgumentException(
OUString("No properties given to replace part of module."),
static_cast< cppu::OWeakObject * >(this),
2);
}
// SAFE -> ----------------------------------
ReadGuard aReadLock(m_aLock);
css::uno::Reference< css::uno::XComponentContext > xContext = m_xContext;
aReadLock.unlock();
// <- SAFE ----------------------------------
// get access to the element
// Note: Dont use impl_getConfig() method here. Because it creates a readonly access only, further
// it cache it as a member of this module manager instance. If we change some props there ... but dont
// flush changes (because an error occurred) we will read them later. If we use a different config access
// we can close it without a flush ... and our read data wont be affected .-)
css::uno::Reference< css::uno::XInterface > xCfg = ::comphelper::ConfigurationHelper::openConfig(
xContext,
OUString(CFGPATH_FACTORIES),
::comphelper::ConfigurationHelper::E_STANDARD);
css::uno::Reference< css::container::XNameAccess > xModules (xCfg, css::uno::UNO_QUERY_THROW);
css::uno::Reference< css::container::XNameReplace > xModule ;
xModules->getByName(sName) >>= xModule;
if (!xModule.is())
{
throw css::uno::RuntimeException(
OUString("Was not able to get write access to the requested module entry inside configuration."),
static_cast< cppu::OWeakObject * >(this));
}
::comphelper::SequenceAsHashMap::const_iterator pProp;
for ( pProp = lProps.begin();
pProp != lProps.end() ;
++pProp )
{
const OUString& sPropName = pProp->first;
const css::uno::Any& aPropValue = pProp->second;
// let "NoSuchElementException" out ! We support the same API ...
// and without a flush() at the end all changed data before will be ignored !
xModule->replaceByName(sPropName, aPropValue);
}
::comphelper::ConfigurationHelper::flush(xCfg);
}
css::uno::Any SAL_CALL ModuleManager::getByName(const OUString& sName)
throw(css::container::NoSuchElementException,
css::lang::WrappedTargetException ,
css::uno::RuntimeException )
{
// get access to the element
css::uno::Reference< css::container::XNameAccess > xCFG = implts_getConfig();
css::uno::Reference< css::container::XNameAccess > xModule;
xCFG->getByName(sName) >>= xModule;
if (!xModule.is())
{
throw css::uno::RuntimeException(
OUString("Was not able to get write access to the requested module entry inside configuration."),
static_cast< cppu::OWeakObject * >(this));
}
// convert it to seq< PropertyValue >
const css::uno::Sequence< OUString > lPropNames = xModule->getElementNames();
::comphelper::SequenceAsHashMap lProps ;
sal_Int32 c = lPropNames.getLength();
sal_Int32 i = 0;
lProps[OUString(MODULEPROP_IDENTIFIER)] <<= sName;
for (i=0; i<c; ++i)
{
const OUString& sPropName = lPropNames[i];
lProps[sPropName] = xModule->getByName(sPropName);
}
return css::uno::makeAny(lProps.getAsConstPropertyValueList());
}
css::uno::Sequence< OUString > SAL_CALL ModuleManager::getElementNames()
throw(css::uno::RuntimeException)
{
css::uno::Reference< css::container::XNameAccess > xCFG = implts_getConfig();
return xCFG->getElementNames();
}
sal_Bool SAL_CALL ModuleManager::hasByName(const OUString& sName)
throw(css::uno::RuntimeException)
{
css::uno::Reference< css::container::XNameAccess > xCFG = implts_getConfig();
return xCFG->hasByName(sName);
}
css::uno::Type SAL_CALL ModuleManager::getElementType()
throw(css::uno::RuntimeException)
{
return ::getCppuType((const css::uno::Sequence< css::beans::PropertyValue >*)0);
}
sal_Bool SAL_CALL ModuleManager::hasElements()
throw(css::uno::RuntimeException)
{
css::uno::Reference< css::container::XNameAccess > xCFG = implts_getConfig();
return xCFG->hasElements();
}
css::uno::Reference< css::container::XEnumeration > SAL_CALL ModuleManager::createSubSetEnumerationByQuery(const OUString&)
throw(css::uno::RuntimeException)
{
return css::uno::Reference< css::container::XEnumeration >();
}
css::uno::Reference< css::container::XEnumeration > SAL_CALL ModuleManager::createSubSetEnumerationByProperties(const css::uno::Sequence< css::beans::NamedValue >& lProperties)
throw(css::uno::RuntimeException)
{
::comphelper::SequenceAsHashMap lSearchProps (lProperties);
css::uno::Sequence< OUString > lModules = getElementNames();
sal_Int32 c = lModules.getLength();
sal_Int32 i = 0;
::comphelper::SequenceAsVector< css::uno::Any > lResult ;
for (i=0; i<c; ++i)
{
try
{
const OUString& sModule = lModules[i];
::comphelper::SequenceAsHashMap lModuleProps = getByName(sModule);
if (lModuleProps.match(lSearchProps))
lResult.push_back(css::uno::makeAny(lModuleProps.getAsConstPropertyValueList()));
}
catch(const css::uno::Exception&)
{
}
}
::comphelper::OAnyEnumeration* pEnum = new ::comphelper::OAnyEnumeration(lResult.getAsConstList());
css::uno::Reference< css::container::XEnumeration > xEnum(static_cast< css::container::XEnumeration* >(pEnum), css::uno::UNO_QUERY_THROW);
return xEnum;
}
css::uno::Reference< css::container::XNameAccess > ModuleManager::implts_getConfig()
throw(css::uno::RuntimeException)
{
// SAFE -> ----------------------------------
ReadGuard aReadLock(m_aLock);
if (m_xCFG.is())
return m_xCFG;
css::uno::Reference< css::uno::XComponentContext > xContext = m_xContext;
aReadLock.unlock();
// <- SAFE ----------------------------------
css::uno::Reference< css::uno::XInterface > xCfg;
try
{
xCfg = ::comphelper::ConfigurationHelper::openConfig(
xContext,
OUString(CFGPATH_FACTORIES),
::comphelper::ConfigurationHelper::E_READONLY);
}
catch(const css::uno::RuntimeException&)
{
throw;
}
catch(const css::uno::Exception&)
{
xCfg.clear();
}
// SAFE -> ----------------------------------
WriteGuard aWriteLock(m_aLock);
m_xCFG = css::uno::Reference< css::container::XNameAccess >(xCfg, css::uno::UNO_QUERY_THROW);
return m_xCFG;
// <- SAFE ----------------------------------
}
OUString ModuleManager::implts_identify(const css::uno::Reference< css::uno::XInterface >& xComponent)
{
// Search for an optional (!) interface XModule first.
// Its used to overrule an existing service name. Used e.g. by our database form designer
// which uses a writer module internaly.
css::uno::Reference< css::frame::XModule > xModule(xComponent, css::uno::UNO_QUERY);
if (xModule.is())
return xModule->getIdentifier();
// detect modules in a generic way ...
// comparing service names with configured entries ...
css::uno::Reference< css::lang::XServiceInfo > xInfo(xComponent, css::uno::UNO_QUERY);
if (!xInfo.is())
return OUString();
const css::uno::Sequence< OUString > lKnownModules = getElementNames();
const OUString* pKnownModules = lKnownModules.getConstArray();
sal_Int32 c = lKnownModules.getLength();
sal_Int32 i = 0;
for (i=0; i<c; ++i)
{
if (xInfo->supportsService(pKnownModules[i]))
return pKnownModules[i];
}
return OUString();
}
} // namespace framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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