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office-gobmx/extensions/source/resource/oooresourceloader.cxx
Oliver Bolte 09d6c0441b INTEGRATION: CWS dba203a (1.1.2); FILE ADDED 
2006/03/22 07:48:14 fs 1.1.2.4: UILocale instead of SysLocale, if default locale is required
2006/03/17 13:01:04 fs 1.1.2.3: proper base name
2006/03/17 12:33:58 fs 1.1.2.2: changed singleton name
2006/03/17 11:12:36 fs 1.1.2.1: implementation of css.resource.OpenOfficeResourceLoader
2006-03-29 11:42:12 +00:00

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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: oooresourceloader.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: obo $ $Date: 2006-03-29 12:42:12 $
*
* 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
*
************************************************************************/
#ifndef EXTENSIONS_SOURCE_RESOURCE_OOORESOURCELOADER_CXX
#define EXTENSIONS_SOURCE_RESOURCE_OOORESOURCELOADER_CXX
#ifndef EXTENSIONS_RESOURCE_SERVICES_HXX
#include "res_services.hxx"
#endif
/** === begin UNO includes === **/
#ifndef _COM_SUN_STAR_RESOURCE_XRESOURCEBUNDLELOADER_HPP_
#include <com/sun/star/resource/XResourceBundleLoader.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XMULTISERVICEFACTORY_HPP_
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#endif
#ifndef _COM_SUN_STAR_UNO_XCOMPONENTCONTEXT_HPP_
#include <com/sun/star/uno/XComponentContext.hpp>
#endif
/** === end UNO includes === **/
#ifndef _SV_SVAPP_HXX
#include <vcl/svapp.hxx>
#endif
#ifndef _TOOLS_SIMPLERESMGR_HXX_
#include <tools/simplerm.hxx>
#endif
#ifndef _TOOLS_RCID_H
#include <tools/rcid.h>
#endif
#ifndef _CPPUHELPER_IMPLBASE1_HXX_
#include <cppuhelper/implbase1.hxx>
#endif
#ifndef _CPPUHELPER_WEAKREF_HXX_
#include <cppuhelper/weakref.hxx>
#endif
#include <boost/shared_ptr.hpp>
#include <map>
//........................................................................
namespace res
{
//........................................................................
/** === begin UNO using === **/
using ::com::sun::star::uno::Reference;
using ::com::sun::star::resource::XResourceBundleLoader;
using ::com::sun::star::resource::XResourceBundle;
using ::com::sun::star::resource::MissingResourceException;
using ::com::sun::star::uno::XComponentContext;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::XInterface;
using ::com::sun::star::uno::RuntimeException;
using ::com::sun::star::lang::Locale;
using ::com::sun::star::uno::Any;
using ::com::sun::star::container::NoSuchElementException;
using ::com::sun::star::lang::WrappedTargetException;
using ::com::sun::star::uno::Type;
using ::com::sun::star::uno::WeakReference;
/** === end UNO using === **/
//====================================================================
//= helper
//====================================================================
typedef ::std::pair< ::rtl::OUString, Locale > ResourceBundleDescriptor;
struct ResourceBundleDescriptorLess : public ::std::binary_function< ResourceBundleDescriptor, ResourceBundleDescriptor, bool >
{
bool operator()( const ResourceBundleDescriptor& _lhs, const ResourceBundleDescriptor& _rhs ) const
{
if ( _lhs.first < _rhs.first )
return true;
if ( _lhs.second.Language < _rhs.second.Language )
return true;
if ( _lhs.second.Country < _rhs.second.Country )
return true;
if ( _lhs.second.Variant < _rhs.second.Variant )
return true;
return false;
}
};
//====================================================================
//= OpenOfficeResourceLoader
//====================================================================
typedef ::cppu::WeakImplHelper1 < XResourceBundleLoader
> OpenOfficeResourceLoader_Base;
class OpenOfficeResourceLoader : public OpenOfficeResourceLoader_Base
{
private:
typedef ::std::map< ResourceBundleDescriptor, WeakReference< XResourceBundle >, ResourceBundleDescriptorLess >
ResourceBundleCache;
private:
Reference< XComponentContext > m_xContext;
::osl::Mutex m_aMutex;
ResourceBundleCache m_aBundleCache;
protected:
OpenOfficeResourceLoader( const Reference< XComponentContext >& _rxContext );
public:
static Sequence< ::rtl::OUString > getSupportedServiceNames_static();
static ::rtl::OUString getImplementationName_static();
static ::rtl::OUString getSingletonName_static();
static Reference< XInterface > Create( const Reference< XComponentContext >& _rxContext );
// XResourceBundleLoader
virtual Reference< XResourceBundle > SAL_CALL loadBundle_Default( const ::rtl::OUString& aBaseName ) throw (MissingResourceException, RuntimeException);
virtual Reference< XResourceBundle > SAL_CALL loadBundle( const ::rtl::OUString& abaseName, const Locale& aLocale ) throw (MissingResourceException, RuntimeException);
private:
OpenOfficeResourceLoader(); // never implemented
OpenOfficeResourceLoader( const OpenOfficeResourceLoader& ); // never implemented
OpenOfficeResourceLoader& operator=( const OpenOfficeResourceLoader& ); // never implemented
};
//====================================================================
//= IResourceType
//====================================================================
/** encapsulates access to a fixed resource type
*/
class IResourceType
{
public:
/** returns the RESOURCE_TYPE associated with this instance
*/
virtual RESOURCE_TYPE getResourceType() const = 0;
/** reads a single resource from the given resource manager
@param _resourceManager
the resource manager to read from
@param _resourceId
the id of the resource to read
@return
the required resource
@precond
the caler checked via <code>_resourceManager.IsAvailable( getResourceType(), _resourceId )</code>
that the required resource really exists
*/
virtual Any getResource( SimpleResMgr& _resourceManager, sal_Int32 _resourceId ) const = 0;
virtual ~IResourceType() { };
};
//====================================================================
//= StringResourceAccess
//====================================================================
class StringResourceAccess : public IResourceType
{
public:
StringResourceAccess();
// IResourceType
virtual RESOURCE_TYPE getResourceType() const;
virtual Any getResource( SimpleResMgr& _resourceManager, sal_Int32 _resourceId ) const;
};
//--------------------------------------------------------------------
StringResourceAccess::StringResourceAccess()
{
}
//--------------------------------------------------------------------
RESOURCE_TYPE StringResourceAccess::getResourceType() const
{
return RSC_STRING;
}
//--------------------------------------------------------------------
Any StringResourceAccess::getResource( SimpleResMgr& _resourceManager, sal_Int32 _resourceId ) const
{
OSL_PRECOND( _resourceManager.IsAvailable( getResourceType(), _resourceId ), "StringResourceAccess::getResource: precondition not met!" );
Any aResource;
aResource <<= ::rtl::OUString( _resourceManager.ReadString( _resourceId ) );
return aResource;
}
//====================================================================
//= OpenOfficeResourceBundle
//====================================================================
typedef ::cppu::WeakImplHelper1 < XResourceBundle
> OpenOfficeResourceBundle_Base;
class OpenOfficeResourceBundle : public OpenOfficeResourceBundle_Base
{
private:
typedef ::boost::shared_ptr< IResourceType > ResourceTypePtr;
typedef ::std::map< ::rtl::OUString, ResourceTypePtr > ResourceTypes;
::osl::Mutex m_aMutex;
Reference< XResourceBundle > m_xParent;
Locale m_aLocale;
SimpleResMgr* m_pResourceManager;
ResourceTypes m_aResourceTypes;
public:
OpenOfficeResourceBundle(
const Reference< XComponentContext >& _rxContext,
const ::rtl::OUString& _rBaseName,
const Locale& _rLocale
);
protected:
~OpenOfficeResourceBundle();
public:
// XResourceBundle
virtual ::com::sun::star::uno::Reference< ::com::sun::star::resource::XResourceBundle > SAL_CALL getParent() throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL setParent( const ::com::sun::star::uno::Reference< ::com::sun::star::resource::XResourceBundle >& _parent ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::lang::Locale SAL_CALL getLocale( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Any SAL_CALL getDirectElement( const ::rtl::OUString& key ) throw (::com::sun::star::uno::RuntimeException);
// XNameAccess (base of XResourceBundle)
virtual ::com::sun::star::uno::Any SAL_CALL getByName( const ::rtl::OUString& aName ) throw (::com::sun::star::container::NoSuchElementException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getElementNames( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::sal_Bool SAL_CALL hasByName( const ::rtl::OUString& aName ) throw (::com::sun::star::uno::RuntimeException);
// XElementAccess (base of XNameAccess)
virtual ::com::sun::star::uno::Type SAL_CALL getElementType( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::sal_Bool SAL_CALL hasElements( ) throw (::com::sun::star::uno::RuntimeException);
private:
/** retrievs the element with the given key, without asking our parent bundle
@param _key
the key of the element to retrieve
@param _out_Element
will contained the retrieved element upon successful return. If the method is unsuccessful, the
value will not be touched.
@return
<TRUE/> if and only if the element could be retrieved
@precond
our mutex is locked
*/
bool impl_getDirectElement_nothrow( const ::rtl::OUString& _key, Any& _out_Element ) const;
/** retrieves the resource type and id from a given resource key, which assembles those two
@param _key
the resource key as got via a public API call
@param _out_resourceType
the resource type, if successful
@param _out_resourceId
the resource id, if successful
@return
<TRUE/> if and only if the given key specifies a known resource type, and contains a valid
resource id
*/
bool impl_getResourceTypeAndId_nothrow( const ::rtl::OUString& _key, ResourceTypePtr& _out_resourceType, sal_Int32& _out_resourceId ) const;
};
//====================================================================
//= OpenOfficeResourceLoader
//====================================================================
//--------------------------------------------------------------------
OpenOfficeResourceLoader::OpenOfficeResourceLoader( const Reference< XComponentContext >& _rxContext )
:m_xContext( _rxContext )
{
}
//--------------------------------------------------------------------
Sequence< ::rtl::OUString > OpenOfficeResourceLoader::getSupportedServiceNames_static()
{
Sequence< ::rtl::OUString > aServices( 1 );
aServices[ 0 ] = getSingletonName_static();
return aServices;
}
//--------------------------------------------------------------------
::rtl::OUString OpenOfficeResourceLoader::getImplementationName_static()
{
return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.resource.OpenOfficeResourceLoader" ) );
}
//--------------------------------------------------------------------
::rtl::OUString OpenOfficeResourceLoader::getSingletonName_static()
{
return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.resource.OfficeResourceLoader" ) );
}
//--------------------------------------------------------------------
Reference< XInterface > OpenOfficeResourceLoader::Create( const Reference< XComponentContext >& _rxContext )
{
return *( new OpenOfficeResourceLoader( _rxContext ) );
}
//--------------------------------------------------------------------
Reference< XResourceBundle > SAL_CALL OpenOfficeResourceLoader::loadBundle_Default( const ::rtl::OUString& _baseName ) throw (MissingResourceException, RuntimeException)
{
return loadBundle( _baseName, Application::GetSettings().GetUILocale() );
}
//--------------------------------------------------------------------
Reference< XResourceBundle > SAL_CALL OpenOfficeResourceLoader::loadBundle( const ::rtl::OUString& _baseName, const Locale& _locale ) throw (MissingResourceException, RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
Reference< XResourceBundle > xBundle;
ResourceBundleDescriptor resourceDescriptor( _baseName, _locale );
ResourceBundleCache::iterator cachePos = m_aBundleCache.find( resourceDescriptor );
if ( cachePos != m_aBundleCache.end() )
xBundle = cachePos->second;
if ( !xBundle.is() )
{ // not in the cache, or already died
xBundle = new OpenOfficeResourceBundle( m_xContext, _baseName, _locale );
m_aBundleCache.insert( ResourceBundleCache::value_type( resourceDescriptor, xBundle ) );
}
return xBundle;
}
//--------------------------------------------------------------------
ComponentInfo getComponentInfo_OpenOfficeResourceLoader()
{
ComponentInfo aInfo;
aInfo.aSupportedServices = OpenOfficeResourceLoader::getSupportedServiceNames_static();
aInfo.sImplementationName = OpenOfficeResourceLoader::getImplementationName_static();
aInfo.sSingletonName = OpenOfficeResourceLoader::getSingletonName_static();
aInfo.pFactory = &OpenOfficeResourceLoader::Create;
return aInfo;
}
//====================================================================
//= OpenOfficeResourceBundle
//====================================================================
//--------------------------------------------------------------------
OpenOfficeResourceBundle::OpenOfficeResourceBundle( const Reference< XComponentContext >& /*_rxContext*/, const ::rtl::OUString& _rBaseName, const Locale& _rLocale )
:m_aLocale( _rLocale )
,m_pResourceManager( NULL )
{
::rtl::OUString sBaseName( _rBaseName );
sBaseName += ::rtl::OUString::createFromAscii( MAKE_NUMSTR( SUPD ) );
m_pResourceManager = new SimpleResMgr( sBaseName, m_aLocale );
if ( !m_pResourceManager->IsValid() )
{
delete m_pResourceManager, m_pResourceManager = NULL;
throw MissingResourceException();
}
// supported resource types so far: strings
m_aResourceTypes[ ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "string" ) ) ] =
ResourceTypePtr( new StringResourceAccess );
}
//--------------------------------------------------------------------
OpenOfficeResourceBundle::~OpenOfficeResourceBundle()
{
delete m_pResourceManager;
}
//--------------------------------------------------------------------
Reference< XResourceBundle > SAL_CALL OpenOfficeResourceBundle::getParent() throw (RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
return m_xParent;
}
//--------------------------------------------------------------------
void SAL_CALL OpenOfficeResourceBundle::setParent( const Reference< XResourceBundle >& _parent ) throw (RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
m_xParent = _parent;
}
//--------------------------------------------------------------------
Locale SAL_CALL OpenOfficeResourceBundle::getLocale( ) throw (RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
return m_aLocale;
}
//--------------------------------------------------------------------
bool OpenOfficeResourceBundle::impl_getResourceTypeAndId_nothrow( const ::rtl::OUString& _key, ResourceTypePtr& _out_resourceType, sal_Int32& _out_resourceId ) const
{
sal_Int32 typeSeparatorPos = _key.indexOf( ':' );
if ( typeSeparatorPos == -1 )
// invalid key
return false;
::rtl::OUString resourceType = _key.copy( 0, typeSeparatorPos );
ResourceTypes::const_iterator typePos = m_aResourceTypes.find( resourceType );
if ( typePos == m_aResourceTypes.end() )
// don't know this resource type
return false;
_out_resourceType = typePos->second;
_out_resourceId = _key.copy( typeSeparatorPos + 1 ).toInt32();
return true;
}
//--------------------------------------------------------------------
bool OpenOfficeResourceBundle::impl_getDirectElement_nothrow( const ::rtl::OUString& _key, Any& _out_Element ) const
{
ResourceTypePtr resourceType;
sal_Int32 resourceId( 0 );
if ( !impl_getResourceTypeAndId_nothrow( _key, resourceType, resourceId ) )
return false;
if ( !m_pResourceManager->IsAvailable( resourceType->getResourceType(), resourceId ) )
// no such resource with the given type/id
return false;
_out_Element = resourceType->getResource( *m_pResourceManager, resourceId );
return _out_Element.hasValue();
}
//--------------------------------------------------------------------
Any SAL_CALL OpenOfficeResourceBundle::getDirectElement( const ::rtl::OUString& _key ) throw (RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
Any aElement;
impl_getDirectElement_nothrow( _key, aElement );
return aElement;
}
//--------------------------------------------------------------------
Any SAL_CALL OpenOfficeResourceBundle::getByName( const ::rtl::OUString& _key ) throw (NoSuchElementException, WrappedTargetException, RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
Any aElement;
if ( !impl_getDirectElement_nothrow( _key, aElement ) )
{
if ( m_xParent.is() )
aElement = m_xParent->getByName( _key );
}
if ( !aElement.hasValue() )
throw NoSuchElementException( ::rtl::OUString(), *this );
return aElement;
}
//--------------------------------------------------------------------
Sequence< ::rtl::OUString > SAL_CALL OpenOfficeResourceBundle::getElementNames( ) throw (RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
OSL_ENSURE( false, "OpenOfficeResourceBundle::getElementNames: not implemented!" );
// the (Simple)ResManager does not provide an API to enumerate the resources
return Sequence< ::rtl::OUString >( );
}
//--------------------------------------------------------------------
::sal_Bool SAL_CALL OpenOfficeResourceBundle::hasByName( const ::rtl::OUString& _key ) throw (RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
ResourceTypePtr resourceType;
sal_Int32 resourceId( 0 );
if ( !impl_getResourceTypeAndId_nothrow( _key, resourceType, resourceId ) )
return sal_False;
if ( !m_pResourceManager->IsAvailable( resourceType->getResourceType(), resourceId ) )
return sal_False;
return sal_True;
}
//--------------------------------------------------------------------
Type SAL_CALL OpenOfficeResourceBundle::getElementType( ) throw (RuntimeException)
{
return ::cppu::UnoType< Any >::get();
}
//--------------------------------------------------------------------
::sal_Bool SAL_CALL OpenOfficeResourceBundle::hasElements( ) throw (RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
OSL_ENSURE( false, "OpenOfficeResourceBundle::hasElements: not implemented!" );
// the (Simple)ResManager does not provide an API to enumerate the resources
return ::sal_Bool( );
}
//........................................................................
} // namespace res
//........................................................................
#endif // EXTENSIONS_SOURCE_RESOURCE_OOORESOURCELOADER_CXX
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