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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: officeresourcebundle.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: obo $ $Date: 2006-03-29 12:45:02 $
*
* 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 COMPHELPER_OFFICE_RESOURCE_BUNDLE_HXX
#include <comphelper/officeresourcebundle.hxx>
#endif
/** === begin UNO includes === **/
#ifndef _COM_SUN_STAR_RESOURCE_XRESOURCEBUNDLE_HPP_
#include <com/sun/star/resource/XResourceBundle.hpp>
#endif
#ifndef _COM_SUN_STAR_RESOURCE_XRESOURCEBUNDLELOADER_HPP_
#include <com/sun/star/resource/XResourceBundleLoader.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_NULLPOINTEREXCEPTION_HPP_
#include <com/sun/star/lang/NullPointerException.hpp>
#endif
/** === end UNO includes === **/
#ifndef _OSL_MUTEX_HXX_
#include <osl/mutex.hxx>
#endif
#ifndef _OSL_DIAGNOSE_H_
#include <osl/diagnose.h>
#endif
#ifndef _RTL_USTRBUF_HXX_
#include <rtl/ustrbuf.hxx>
#endif
//........................................................................
namespace comphelper
{
//........................................................................
/** === begin UNO using === **/
using ::com::sun::star::uno::Reference;
using com::sun::star::resource::XResourceBundle;
using com::sun::star::resource::XResourceBundleLoader;
using com::sun::star::resource::MissingResourceException;
using ::com::sun::star::uno::XComponentContext;
using ::com::sun::star::lang::NullPointerException;
using ::com::sun::star::uno::UNO_QUERY;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::uno::Any;
/** === end UNO using === **/
//====================================================================
//= ResourceBundle_Impl
//====================================================================
class ResourceBundle_Impl
{
private:
Reference< XComponentContext > m_xContext;
::rtl::OUString m_sBaseName;
Reference< XResourceBundle > m_xBundle;
bool m_bAttemptedCreate;
mutable ::osl::Mutex m_aMutex;
public:
ResourceBundle_Impl( const Reference< XComponentContext >& _context, const ::rtl::OUString& _baseName )
:m_xContext( _context )
,m_sBaseName( _baseName )
,m_bAttemptedCreate( false )
{
}
public:
/** loads the string with the given resource id from the resource bundle
@param _resourceId
the id of the string to load
@return
the requested resource string. If no string with the given id exists in the resource bundle,
an empty string is returned. In a non-product version, an OSL_ENSURE will notify you of this
then.
*/
::rtl::OUString loadString( sal_Int32 _resourceId ) const;
private:
/** loads the bundle represented by the instance
The method is safe against multiple calls: If a previos call succeeded or failed, the
previous result will be returned, without any other processing.
@precond
Our mutex is locked.
*/
bool impl_loadBundle_nothrow();
};
//--------------------------------------------------------------------
::rtl::OUString ResourceBundle_Impl::loadString( sal_Int32 _resourceId ) const
{
::osl::MutexGuard aGuard( m_aMutex );
::rtl::OUString sString;
if ( const_cast< ResourceBundle_Impl* >( this )->impl_loadBundle_nothrow() )
{
::rtl::OUStringBuffer key;
key.appendAscii( "string:" );
key.append( _resourceId );
try
{
OSL_VERIFY( m_xBundle->getByName( key.makeStringAndClear() ) >>= sString );
}
catch( const Exception& )
{
OSL_ENSURE( false, "ResourceBundle_Impl::loadString: caught an exception!" );
}
}
return sString;
}
//--------------------------------------------------------------------
bool ResourceBundle_Impl::impl_loadBundle_nothrow()
{
if ( m_bAttemptedCreate )
return m_xBundle.is();
m_bAttemptedCreate = true;
Reference< XResourceBundleLoader > xLoader;
try
{
Any aValue( m_xContext->getValueByName(
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(
"/singletons/com.sun.star.resource.OfficeResourceLoader" ) ) ) );
OSL_VERIFY( aValue >>= xLoader );
}
catch( const Exception& )
{
OSL_ENSURE( false, "ResourceBundle_Impl::impl_loadBundle_nopthrow: could not create the resource loader!" );
}
if ( !xLoader.is() )
return false;
try
{
m_xBundle = xLoader->loadBundle_Default( m_sBaseName );
}
catch( const MissingResourceException& )
{
OSL_ENSURE( false, "ResourceBundle_Impl::impl_loadBundle_nopthrow: missing the given resource bundle!" );
}
return m_xBundle.is();
}
//====================================================================
//= OfficeResourceBundle
//====================================================================
//--------------------------------------------------------------------
OfficeResourceBundle::OfficeResourceBundle( const Reference< XComponentContext >& _context, const ::rtl::OUString& _bundleBaseName )
:m_pImpl( new ResourceBundle_Impl( _context, _bundleBaseName ) )
{
if ( !_context.is() )
throw NullPointerException();
}
//--------------------------------------------------------------------
OfficeResourceBundle::OfficeResourceBundle( const Reference< XComponentContext >& _context, const sal_Char* _bundleBaseAsciiName )
:m_pImpl( new ResourceBundle_Impl( _context, ::rtl::OUString::createFromAscii( _bundleBaseAsciiName ) ) )
{
if ( !_context.is() )
throw NullPointerException();
}
//--------------------------------------------------------------------
OfficeResourceBundle::~OfficeResourceBundle()
{
}
//--------------------------------------------------------------------
::rtl::OUString OfficeResourceBundle::loadString( sal_Int32 _resourceId ) const
{
return m_pImpl->loadString( _resourceId );
}
//........................................................................
} // namespace comphelper
//........................................................................
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