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462 | /* -*- 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 <sal/config.h>
#include <cassert>
#include <com/sun/star/beans/NamedValue.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/configuration/theDefaultProvider.hpp>
#include <com/sun/star/lang/EventObject.hpp>
#include <com/sun/star/lang/Locale.hpp>
#include <com/sun/star/lang/XLocalizable.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/XSingleComponentFactory.hpp>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Exception.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/uno/XInterface.hpp>
#include <com/sun/star/util/XFlushListener.hpp>
#include <com/sun/star/util/XFlushable.hpp>
#include <com/sun/star/util/XRefreshListener.hpp>
#include <com/sun/star/util/XRefreshable.hpp>
#include <cppu/unotype.hxx>
#include <cppuhelper/basemutex.hxx>
#include <cppuhelper/compbase.hxx>
#include <cppuhelper/factory.hxx>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <cppuhelper/weak.hxx>
#include <osl/mutex.hxx>
#include <sal/types.h>
#include <rtl/ref.hxx>
#include <rtl/ustring.hxx>
#include <i18nlangtag/languagetag.hxx>
#include "components.hxx"
#include "configurationprovider.hxx"
#include "lock.hxx"
#include "defaultprovider.hxx"
#include "rootaccess.hxx"
namespace configmgr::configuration_provider {
namespace {
char const accessServiceName[] =
"com.sun.star.configuration.ConfigurationAccess";
char const updateAccessServiceName[] =
"com.sun.star.configuration.ConfigurationUpdateAccess";
void badNodePath() {
throw css::uno::Exception(
("com.sun.star.configuration.ConfigurationProvider expects a single,"
" non-empty, string nodepath argument"),
nullptr);
}
typedef
cppu::WeakComponentImplHelper<
css::lang::XServiceInfo, css::lang::XMultiServiceFactory,
css::util::XRefreshable, css::util::XFlushable,
css::lang::XLocalizable >
ServiceBase;
class Service:
private cppu::BaseMutex, public ServiceBase
{
public:
explicit Service(
const css::uno::Reference< css::uno::XComponentContext >& context):
ServiceBase(m_aMutex), context_(context), default_(true),
lock_( lock() )
{
assert(context.is());
}
Service(
const css::uno::Reference< css::uno::XComponentContext >& context,
OUString const & locale):
ServiceBase(m_aMutex), context_(context), locale_(locale),
default_(false),
lock_( lock() )
{
assert(context.is());
}
private:
Service(const Service&) = delete;
Service& operator=(const Service&) = delete;
virtual ~Service() override {}
virtual void SAL_CALL disposing() override { flushModifications(); }
virtual OUString SAL_CALL getImplementationName() override
{
return default_
? default_provider::getImplementationName()
: configuration_provider::getImplementationName();
}
virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
{ return cppu::supportsService(this, ServiceName); }
virtual css::uno::Sequence< OUString > SAL_CALL
getSupportedServiceNames() override
{
return default_
? default_provider::getSupportedServiceNames()
: configuration_provider::getSupportedServiceNames();
}
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstance(
OUString const & aServiceSpecifier) override;
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstanceWithArguments(
OUString const & ServiceSpecifier,
css::uno::Sequence< css::uno::Any > const & Arguments) override;
virtual css::uno::Sequence< OUString > SAL_CALL
getAvailableServiceNames() override;
virtual void SAL_CALL refresh() override;
virtual void SAL_CALL addRefreshListener(
css::uno::Reference< css::util::XRefreshListener > const & l) override;
virtual void SAL_CALL removeRefreshListener(
css::uno::Reference< css::util::XRefreshListener > const & l) override;
virtual void SAL_CALL flush() override;
virtual void SAL_CALL addFlushListener(
css::uno::Reference< css::util::XFlushListener > const & l) override;
virtual void SAL_CALL removeFlushListener(
css::uno::Reference< css::util::XFlushListener > const & l) override;
virtual void SAL_CALL setLocale(css::lang::Locale const & eLocale) override;
virtual css::lang::Locale SAL_CALL getLocale() override;
void flushModifications() const;
css::uno::Reference< css::uno::XComponentContext > context_;
OUString locale_;
bool default_;
std::shared_ptr<osl::Mutex> lock_;
};
css::uno::Reference< css::uno::XInterface > Service::createInstance(
OUString const & aServiceSpecifier)
{
return createInstanceWithArguments(
aServiceSpecifier, css::uno::Sequence< css::uno::Any >());
}
css::uno::Reference< css::uno::XInterface >
Service::createInstanceWithArguments(
OUString const & ServiceSpecifier,
css::uno::Sequence< css::uno::Any > const & Arguments)
{
OUString nodepath;
OUString locale;
for (sal_Int32 i = 0; i < Arguments.getLength(); ++i) {
css::beans::NamedValue v1;
css::beans::PropertyValue v2;
OUString name;
css::uno::Any value;
if (Arguments[i] >>= v1) {
name = v1.Name;
value = v1.Value;
} else if (Arguments[i] >>= v2) {
name = v2.Name;
value = v2.Value;
} else if (Arguments.getLength() == 1 && (Arguments[i] >>= nodepath)) {
// For backwards compatibility, allow a single string argument that
// denotes nodepath.
if (nodepath.isEmpty()) {
badNodePath();
}
break;
} else {
throw css::uno::Exception(
("com.sun.star.configuration.ConfigurationProvider expects"
" NamedValue or PropertyValue arguments"),
nullptr);
}
// For backwards compatibility, allow "nodepath" and "Locale" in any
// case:
if (name.equalsIgnoreAsciiCase("nodepath")) {
if (!nodepath.isEmpty() || !(value >>= nodepath) ||
nodepath.isEmpty())
{
badNodePath();
}
} else if (name.equalsIgnoreAsciiCase("locale")) {
if (!locale.isEmpty() || !(value >>= locale) ||
locale.isEmpty())
{
throw css::uno::Exception(
("com.sun.star.configuration.ConfigurationProvider expects"
" at most one, non-empty, string Locale argument"),
nullptr);
}
}
}
if (nodepath.isEmpty()) {
badNodePath();
}
// For backwards compatibility, allow a nodepath that misses the leading
// slash:
if (nodepath[0] != '/') {
nodepath = "/" + nodepath;
}
if (locale.isEmpty()) {
//TODO: should the Access use the dynamically changing locale_ instead?
locale = locale_;
if (locale.isEmpty()) {
locale = "en-US";
}
}
bool update;
if (ServiceSpecifier == accessServiceName) {
update = false;
} else if (ServiceSpecifier == updateAccessServiceName) {
update = true;
} else {
throw css::uno::Exception(
("com.sun.star.configuration.ConfigurationProvider does not support"
" service " + ServiceSpecifier),
static_cast< cppu::OWeakObject * >(this));
}
osl::MutexGuard guard(*lock_);
Components & components = Components::getSingleton(context_);
rtl::Reference root(
new RootAccess(components, nodepath, locale, update));
if (root->isValue()) {
throw css::uno::Exception(
("com.sun.star.configuration.ConfigurationProvider: there is a leaf"
" value at nodepath " + nodepath),
static_cast< cppu::OWeakObject * >(this));
}
components.addRootAccess(root);
return static_cast< cppu::OWeakObject * >(root.get());
}
css::uno::Sequence< OUString > Service::getAvailableServiceNames()
{
return { accessServiceName, updateAccessServiceName };
}
void Service::refresh() {
//TODO
cppu::OInterfaceContainerHelper * cont = rBHelper.getContainer(
cppu::UnoType< css::util::XRefreshListener >::get());
if (cont != nullptr) {
css::lang::EventObject ev(static_cast< cppu::OWeakObject * >(this));
cont->notifyEach(&css::util::XRefreshListener::refreshed, ev);
}
}
void Service::addRefreshListener(
css::uno::Reference< css::util::XRefreshListener > const & l)
{
rBHelper.addListener(
cppu::UnoType< css::util::XRefreshListener >::get(), l);
}
void Service::removeRefreshListener(
css::uno::Reference< css::util::XRefreshListener > const & l)
{
rBHelper.removeListener(
cppu::UnoType< css::util::XRefreshListener >::get(), l);
}
void Service::flush() {
flushModifications();
cppu::OInterfaceContainerHelper * cont = rBHelper.getContainer(
cppu::UnoType< css::util::XFlushListener >::get());
if (cont != nullptr) {
css::lang::EventObject ev(static_cast< cppu::OWeakObject * >(this));
cont->notifyEach(&css::util::XFlushListener::flushed, ev);
}
}
void Service::addFlushListener(<--- The function 'addFlushListener' is never used.
css::uno::Reference< css::util::XFlushListener > const & l)
{
rBHelper.addListener(cppu::UnoType< css::util::XFlushListener >::get(), l);
}
void Service::removeFlushListener(<--- The function 'removeFlushListener' is never used.
css::uno::Reference< css::util::XFlushListener > const & l)
{
rBHelper.removeListener(
cppu::UnoType< css::util::XFlushListener >::get(), l);
}
void Service::setLocale(css::lang::Locale const & eLocale)
{
osl::MutexGuard guard(*lock_);
locale_ = LanguageTag::convertToBcp47( eLocale, false);
}
css::lang::Locale Service::getLocale() {
osl::MutexGuard guard(*lock_);
css::lang::Locale loc;
if (! locale_.isEmpty()) {
loc = LanguageTag::convertToLocale( locale_, false);
}
return loc;
}
void Service::flushModifications() const {
Components * components;
{
osl::MutexGuard guard(*lock_);
components = &Components::getSingleton(context_);
}
components->flushModifications();
}
class Factory:
public cppu::WeakImplHelper<
css::lang::XSingleComponentFactory, css::lang::XServiceInfo >
{
public:
Factory() {}
private:
Factory(const Factory&) = delete;
Factory& operator=(const Factory&) = delete;
virtual ~Factory() override {}
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstanceWithContext(
css::uno::Reference< css::uno::XComponentContext > const & Context) override;
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstanceWithArgumentsAndContext(
css::uno::Sequence< css::uno::Any > const & Arguments,
css::uno::Reference< css::uno::XComponentContext > const & Context) override;
virtual OUString SAL_CALL getImplementationName() override
{ return configuration_provider::getImplementationName(); }
virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
{ return cppu::supportsService(this, ServiceName); }
virtual css::uno::Sequence< OUString > SAL_CALL
getSupportedServiceNames() override
{ return configuration_provider::getSupportedServiceNames(); }
};
css::uno::Reference< css::uno::XInterface > Factory::createInstanceWithContext(
css::uno::Reference< css::uno::XComponentContext > const & Context)
{
return createInstanceWithArgumentsAndContext(
css::uno::Sequence< css::uno::Any >(), Context);
}
css::uno::Reference< css::uno::XInterface >
Factory::createInstanceWithArgumentsAndContext(
css::uno::Sequence< css::uno::Any > const & Arguments,
css::uno::Reference< css::uno::XComponentContext > const & Context)
{
if (!Arguments.hasElements()) {
return css::configuration::theDefaultProvider::get(Context);
} else {
OUString locale;
for (sal_Int32 i = 0; i < Arguments.getLength(); ++i) {
css::beans::NamedValue v1;
css::beans::PropertyValue v2;
OUString name;
css::uno::Any value;
if (Arguments[i] >>= v1) {
name = v1.Name;
value = v1.Value;
} else if (Arguments[i] >>= v2) {
name = v2.Name;
value = v2.Value;
} else {
throw css::uno::Exception(
("com.sun.star.configuration.ConfigurationProvider factory"
" expects NamedValue or PropertyValue arguments"),
nullptr);
}
// For backwards compatibility, allow "Locale" and (ignored)
// "EnableAsync" in any case:
if (name.equalsIgnoreAsciiCase("locale")) {
if (!locale.isEmpty() || !(value >>= locale) ||
locale.isEmpty())
{
throw css::uno::Exception(
("com.sun.star.configuration.ConfigurationProvider"
" factory expects at most one, non-empty, string"
" Locale argument"),
nullptr);
}
} else if (!name.equalsIgnoreAsciiCase("enableasync")) {
throw css::uno::Exception(
("com.sun.star.configuration.ConfigurationProvider factory:"
" unknown argument " + name),
nullptr);
}
}
return static_cast< cppu::OWeakObject * >(new Service(Context, locale));
}
}
}
css::uno::Reference< css::uno::XInterface > createDefault(
css::uno::Reference< css::uno::XComponentContext > const & context)
{
return static_cast< cppu::OWeakObject * >(new Service(context));
}
OUString getImplementationName() {
return "com.sun.star.comp.configuration.ConfigurationProvider";
}
css::uno::Sequence< OUString > getSupportedServiceNames() {
return css::uno::Sequence< OUString > { "com.sun.star.configuration.ConfigurationProvider" };
}
css::uno::Reference< css::lang::XSingleComponentFactory >
createFactory(
SAL_UNUSED_PARAMETER cppu::ComponentFactoryFunc,
SAL_UNUSED_PARAMETER OUString const &,
SAL_UNUSED_PARAMETER css::uno::Sequence< OUString > const &,
SAL_UNUSED_PARAMETER rtl_ModuleCount *)
{
return new Factory;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|