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office-gobmx/configmgr/source/configurationprovider.cxx
Caolán McNamara 83ab35b735 Resolves: fdo#31494# get ownership right 
Ensure that the mutex lives as long as all its consumers. And
avoid launching threads if they have no work to do.
2010-11-25 20:36:03 +00:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* 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.
*
************************************************************************/
#include "precompiled_configmgr.hxx"
#include "sal/config.h"
#include <vector>
#include "boost/noncopyable.hpp"
#include "com/sun/star/beans/NamedValue.hpp"
#include "com/sun/star/beans/PropertyValue.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/DeploymentException.hpp"
#include "com/sun/star/uno/Exception.hpp"
#include "com/sun/star/uno/Reference.hxx"
#include "com/sun/star/uno/RuntimeException.hpp"
#include "com/sun/star/uno/Sequence.hxx"
#include "com/sun/star/uno/XComponentContext.hpp"
#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 "comphelper/locale.hxx"
#include "cppu/unotype.hxx"
#include "cppuhelper/compbase5.hxx"
#include "cppuhelper/factory.hxx"
#include "cppuhelper/implbase1.hxx"
#include "cppuhelper/interfacecontainer.hxx"
#include "cppuhelper/weak.hxx"
#include "osl/diagnose.h"
#include "osl/mutex.hxx"
#include "sal/types.h"
#include "rtl/ref.hxx"
#include "rtl/unload.h"
#include "rtl/ustring.h"
#include "rtl/ustring.hxx"
#include "components.hxx"
#include "configurationprovider.hxx"
#include "lock.hxx"
#include "rootaccess.hxx"
namespace configmgr { namespace configuration_provider {
namespace {
namespace css = com::sun::star;
char const accessServiceName[] =
"com.sun.star.configuration.ConfigurationAccess";
char const updateAccessServiceName[] =
"com.sun.star.configuration.ConfigurationUpdateAccess";
void badNodePath() {
throw css::uno::Exception(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.configuration.ConfigurationProvider expects a"
" single, non-empty, string nodepath argument")),
0);
}
typedef
cppu::WeakComponentImplHelper5<
css::lang::XServiceInfo, css::lang::XMultiServiceFactory,
css::util::XRefreshable, css::util::XFlushable,
css::lang::XLocalizable >
ServiceBase;
class Service:
private osl::Mutex, public ServiceBase, private boost::noncopyable
{
public:
Service(
css::uno::Reference< css::uno::XComponentContext > const context,
rtl::OUString const & locale):
ServiceBase(*static_cast< osl::Mutex * >(this)), context_(context),
locale_(locale)
{
lock_ = lock();
OSL_ASSERT(context.is());
}
private:
virtual ~Service() {}
virtual void SAL_CALL disposing() { flushModifications(); }
virtual rtl::OUString SAL_CALL getImplementationName()
throw (css::uno::RuntimeException)
{ return configuration_provider::getImplementationName(); }
virtual sal_Bool SAL_CALL supportsService(rtl::OUString const & ServiceName)
throw (css::uno::RuntimeException)
{ return ServiceName == getSupportedServiceNames()[0]; } //TODO
virtual css::uno::Sequence< rtl::OUString > SAL_CALL
getSupportedServiceNames() throw (css::uno::RuntimeException)
{ return configuration_provider::getSupportedServiceNames(); }
//TODO: DefaultProvider?
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstance(
rtl::OUString const & aServiceSpecifier)
throw (css::uno::Exception, css::uno::RuntimeException);
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstanceWithArguments(
rtl::OUString const & ServiceSpecifier,
css::uno::Sequence< css::uno::Any > const & Arguments)
throw (css::uno::Exception, css::uno::RuntimeException);
virtual css::uno::Sequence< rtl::OUString > SAL_CALL
getAvailableServiceNames() throw (css::uno::RuntimeException);
virtual void SAL_CALL refresh() throw (css::uno::RuntimeException);
virtual void SAL_CALL addRefreshListener(
css::uno::Reference< css::util::XRefreshListener > const & l)
throw (css::uno::RuntimeException);
virtual void SAL_CALL removeRefreshListener(
css::uno::Reference< css::util::XRefreshListener > const & l)
throw (css::uno::RuntimeException);
virtual void SAL_CALL flush() throw (css::uno::RuntimeException);
virtual void SAL_CALL addFlushListener(
css::uno::Reference< css::util::XFlushListener > const & l)
throw (css::uno::RuntimeException);
virtual void SAL_CALL removeFlushListener(
css::uno::Reference< css::util::XFlushListener > const & l)
throw (css::uno::RuntimeException);
virtual void SAL_CALL setLocale(css::lang::Locale const & eLocale)
throw (css::uno::RuntimeException);
virtual css::lang::Locale SAL_CALL getLocale()
throw (css::uno::RuntimeException);
void flushModifications() const;
css::uno::Reference< css::uno::XComponentContext > context_;
rtl::OUString locale_;
boost::shared_ptr<osl::Mutex> lock_;
};
css::uno::Reference< css::uno::XInterface > Service::createInstance(
rtl::OUString const & aServiceSpecifier)
throw (css::uno::Exception, css::uno::RuntimeException)
{
return createInstanceWithArguments(
aServiceSpecifier, css::uno::Sequence< css::uno::Any >());
}
css::uno::Reference< css::uno::XInterface >
Service::createInstanceWithArguments(
rtl::OUString const & ServiceSpecifier,
css::uno::Sequence< css::uno::Any > const & Arguments)
throw (css::uno::Exception, css::uno::RuntimeException)
{
rtl::OUString nodepath;
rtl::OUString locale;
for (sal_Int32 i = 0; i < Arguments.getLength(); ++i) {
css::beans::NamedValue v1;
css::beans::PropertyValue v2;
rtl::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.getLength() == 0) {
badNodePath();
}
break;
} else {
throw css::uno::Exception(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.configuration.ConfigurationProvider"
" expects NamedValue or PropertyValue arguments")),
0);
}
// For backwards compatibility, allow "nodepath" and "Locale" in any
// case:
if (name.equalsIgnoreAsciiCaseAsciiL(
RTL_CONSTASCII_STRINGPARAM("nodepath")))
{
if (nodepath.getLength() != 0 || !(value >>= nodepath) ||
nodepath.getLength() == 0)
{
badNodePath();
}
} else if (name.equalsIgnoreAsciiCaseAsciiL(
RTL_CONSTASCII_STRINGPARAM("locale")))
{
if (locale.getLength() != 0 || !(value >>= locale) ||
locale.getLength() == 0)
{
throw css::uno::Exception(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.configuration.ConfigurationProvider"
" expects at most one, non-empty, string Locale"
" argument")),
0);
}
}
}
if (nodepath.getLength() == 0) {
badNodePath();
}
// For backwards compatibility, allow a nodepath that misses the leading
// slash:
if (nodepath[0] != '/') {
nodepath = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("/")) + nodepath;
}
if (locale.getLength() == 0) {
//TODO: should the Access use the dynamically changing locale_ instead?
locale = locale_;
if (locale.getLength() == 0) {
locale = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("en-US"));
}
}
bool update;
if (ServiceSpecifier.equalsAsciiL(
RTL_CONSTASCII_STRINGPARAM(accessServiceName)))
{
update = false;
} else if (ServiceSpecifier.equalsAsciiL(
RTL_CONSTASCII_STRINGPARAM(updateAccessServiceName)))
{
update = true;
} else {
throw css::uno::Exception(
(rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.configuration.ConfigurationProvider does not"
" support service ")) +
ServiceSpecifier),
static_cast< cppu::OWeakObject * >(this));
}
osl::MutexGuard guard(*lock_);
Components::initSingleton(context_);
Components & components = Components::getSingleton();
rtl::Reference< RootAccess > root(
new RootAccess(components, nodepath, locale, update));
if (root->isValue()) {
throw css::uno::Exception(
(rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"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< rtl::OUString > Service::getAvailableServiceNames()
throw (css::uno::RuntimeException)
{
css::uno::Sequence< rtl::OUString > names(2);
names[0] = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(accessServiceName));
names[1] = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(updateAccessServiceName));
return names;
}
void Service::refresh() throw (css::uno::RuntimeException) {
//TODO
cppu::OInterfaceContainerHelper * cont = rBHelper.getContainer(
cppu::UnoType< css::util::XRefreshListener >::get());
if (cont != 0) {
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)
throw (css::uno::RuntimeException)
{
rBHelper.addListener(
cppu::UnoType< css::util::XRefreshListener >::get(), l);
}
void Service::removeRefreshListener(
css::uno::Reference< css::util::XRefreshListener > const & l)
throw (css::uno::RuntimeException)
{
rBHelper.removeListener(
cppu::UnoType< css::util::XRefreshListener >::get(), l);
}
void Service::flush() throw (css::uno::RuntimeException) {
flushModifications();
cppu::OInterfaceContainerHelper * cont = rBHelper.getContainer(
cppu::UnoType< css::util::XFlushListener >::get());
if (cont != 0) {
css::lang::EventObject ev(static_cast< cppu::OWeakObject * >(this));
cont->notifyEach(&css::util::XFlushListener::flushed, ev);
}
}
void Service::addFlushListener(
css::uno::Reference< css::util::XFlushListener > const & l)
throw (css::uno::RuntimeException)
{
rBHelper.addListener(cppu::UnoType< css::util::XFlushListener >::get(), l);
}
void Service::removeFlushListener(
css::uno::Reference< css::util::XFlushListener > const & l)
throw (css::uno::RuntimeException)
{
rBHelper.removeListener(
cppu::UnoType< css::util::XFlushListener >::get(), l);
}
void Service::setLocale(css::lang::Locale const & eLocale)
throw (css::uno::RuntimeException)
{
osl::MutexGuard guard(*lock_);
locale_ = comphelper::Locale(
eLocale.Language, eLocale.Country, eLocale.Variant).toISO();
}
css::lang::Locale Service::getLocale() throw (css::uno::RuntimeException) {
osl::MutexGuard guard(*lock_);
css::lang::Locale loc;
if (locale_.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("*"))) {
loc.Language = locale_;
} else if (locale_.getLength() != 0) {
try {
comphelper::Locale l(locale_);
loc.Language = l.getLanguage();
loc.Country = l.getCountry();
loc.Variant = l.getVariant();
} catch (comphelper::Locale::MalFormedLocaleException & e) {
throw css::uno::RuntimeException(
(rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM("MalformedLocaleException: ")) +
e.Message),
static_cast< cppu::OWeakObject * >(this));
}
}
return loc;
}
void Service::flushModifications() const {
Components * components;
{
osl::MutexGuard guard(*lock_);
Components::initSingleton(context_);
components = &Components::getSingleton();
}
components->flushModifications();
}
class Factory:
public cppu::WeakImplHelper1< css::lang::XSingleComponentFactory >,
private boost::noncopyable
{
public:
Factory() {}
private:
virtual ~Factory() {}
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstanceWithContext(
css::uno::Reference< css::uno::XComponentContext > const & Context)
throw (css::uno::Exception, css::uno::RuntimeException);
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)
throw (css::uno::Exception, css::uno::RuntimeException);
};
css::uno::Reference< css::uno::XInterface > Factory::createInstanceWithContext(
css::uno::Reference< css::uno::XComponentContext > const & Context)
throw (css::uno::Exception, css::uno::RuntimeException)
{
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)
throw (css::uno::Exception, css::uno::RuntimeException)
{
if (Arguments.getLength() == 0) {
css::uno::Reference< css::uno::XInterface > instance;
if (!(Context->getValueByName(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"/singletons/"
"com.sun.star.configuration.theDefaultProvider")))
>>= instance) ||
!instance.is())
{
throw css::uno::DeploymentException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"component context fails to supply singleton"
" com.sun.star.configuration.theDefaultProvider")),
Context);
}
return instance;
} else {
rtl::OUString locale;
for (sal_Int32 i = 0; i < Arguments.getLength(); ++i) {
css::beans::NamedValue v1;
css::beans::PropertyValue v2;
rtl::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(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.configuration.ConfigurationProvider"
" factory expects NamedValue or PropertyValue"
" arguments")),
0);
}
// For backwards compatibility, allow "Locale" and (ignored)
// "EnableAsync" in any case:
if (name.equalsIgnoreAsciiCaseAsciiL(
RTL_CONSTASCII_STRINGPARAM("locale")))
{
if (locale.getLength() != 0 || !(value >>= locale) ||
locale.getLength() == 0)
{
throw css::uno::Exception(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.configuration."
"ConfigurationProvider factory expects at most"
" one, non-empty, string Locale argument")),
0);
}
} else if (!name.equalsIgnoreAsciiCaseAsciiL(
RTL_CONSTASCII_STRINGPARAM("enableasync")))
{
throw css::uno::Exception(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.configuration.ConfigurationProvider"
" factory: unknown argument ")) + name,
0);
}
}
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, rtl::OUString()));
}
rtl::OUString getImplementationName() {
return rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.comp.configuration.ConfigurationProvider"));
}
css::uno::Sequence< rtl::OUString > getSupportedServiceNames() {
rtl::OUString name(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.configuration.ConfigurationProvider"));
return css::uno::Sequence< rtl::OUString >(&name, 1);
}
css::uno::Reference< css::lang::XSingleComponentFactory >
createFactory(
cppu::ComponentFactoryFunc, rtl::OUString const &,
css::uno::Sequence< rtl::OUString > const &, rtl_ModuleCount *)
SAL_THROW(())
{
return new Factory;
}
} }
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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