453 lines
17 KiB
C++
453 lines
17 KiB
C++
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/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: filehandler.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: hr $ $Date: 2007-06-27 14:57:39 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_extensions.hxx"
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#include "log_module.hxx"
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#include "methodguard.hxx"
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#include "loghandler.hxx"
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/** === begin UNO includes === **/
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#ifndef _COM_SUN_STAR_LOGGING_XLOGHANDLER_HPP_
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#include <com/sun/star/logging/XLogHandler.hpp>
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#endif
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#ifndef _COM_SUN_STAR_LANG_XSERVICEINFO_HPP_
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#endif
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#ifndef _COM_SUN_STAR_UCB_ALREADYINITIALIZEDEXCEPTION_HPP_
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#include <com/sun/star/ucb/AlreadyInitializedException.hpp>
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#endif
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#ifndef _COM_SUN_STAR_LANG_XINITIALIZATION_HPP_
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#include <com/sun/star/lang/XInitialization.hpp>
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#endif
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#ifndef _COM_SUN_STAR_LANG_ILLEGALARGUMENTEXCEPTION_HPP_
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#include <com/sun/star/lang/IllegalArgumentException.hpp>
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#endif
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#ifndef _COM_SUN_STAR_UTIL_XSTRINGSUBSTITUTION_HPP_
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#include <com/sun/star/util/XStringSubstitution.hpp>
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#endif
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/** === end UNO includes === **/
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#include <tools/diagnose_ex.h>
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#include <comphelper/componentcontext.hxx>
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#include <cppuhelper/compbase3.hxx>
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#include <cppuhelper/basemutex.hxx>
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#include <osl/thread.h>
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#include <osl/file.hxx>
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#include <rtl/strbuf.hxx>
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#include <memory>
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//........................................................................
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namespace logging
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{
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//........................................................................
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/** === begin UNO using === **/
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using ::com::sun::star::uno::Reference;
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using ::com::sun::star::logging::LogRecord;
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using ::com::sun::star::uno::RuntimeException;
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using ::com::sun::star::logging::XLogFormatter;
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using ::com::sun::star::uno::Sequence;
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using ::com::sun::star::uno::XInterface;
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using ::com::sun::star::uno::XComponentContext;
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using ::com::sun::star::logging::XLogHandler;
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using ::com::sun::star::lang::XServiceInfo;
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using ::com::sun::star::ucb::AlreadyInitializedException;
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using ::com::sun::star::lang::XInitialization;
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using ::com::sun::star::uno::Any;
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using ::com::sun::star::uno::Exception;
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using ::com::sun::star::lang::IllegalArgumentException;
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using ::com::sun::star::uno::UNO_QUERY_THROW;
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using ::com::sun::star::util::XStringSubstitution;
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using ::com::sun::star::beans::NamedValue;
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/** === end UNO using === **/
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//====================================================================
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//= FileHandler - declaration
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//====================================================================
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typedef ::cppu::WeakComponentImplHelper3 < XLogHandler
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, XServiceInfo
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, XInitialization
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> FileHandler_Base;
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class FileHandler :public ::cppu::BaseMutex
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,public FileHandler_Base
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{
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private:
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enum FileValidity
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{
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/// never attempted to open the file
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eUnknown,
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/// file is valid
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eValid,
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/// file is invalid
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eInvalid
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};
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private:
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::comphelper::ComponentContext m_aContext;
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LogHandlerHelper m_aHandlerHelper;
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::rtl::OUString m_sFileURL;
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::std::auto_ptr< ::osl::File > m_pFile;
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FileValidity m_eFileValidity;
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protected:
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FileHandler( const Reference< XComponentContext >& _rxContext );
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virtual ~FileHandler();
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// XLogHandler
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virtual ::rtl::OUString SAL_CALL getEncoding() throw (RuntimeException);
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virtual void SAL_CALL setEncoding( const ::rtl::OUString& _encoding ) throw (RuntimeException);
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virtual Reference< XLogFormatter > SAL_CALL getFormatter() throw (RuntimeException);
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virtual void SAL_CALL setFormatter( const Reference< XLogFormatter >& _formatter ) throw (RuntimeException);
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virtual ::sal_Int32 SAL_CALL getLevel() throw (RuntimeException);
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virtual void SAL_CALL setLevel( ::sal_Int32 _level ) throw (RuntimeException);
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virtual void SAL_CALL flush( ) throw (RuntimeException);
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virtual ::sal_Bool SAL_CALL publish( const LogRecord& Record ) throw (RuntimeException);
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// XInitialization
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virtual void SAL_CALL initialize( const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& aArguments ) throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException);
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// XServiceInfo
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virtual ::rtl::OUString SAL_CALL getImplementationName() throw(RuntimeException);
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virtual ::sal_Bool SAL_CALL supportsService( const ::rtl::OUString& _rServiceName ) throw(RuntimeException);
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virtual Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw(RuntimeException);
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// OComponentHelper
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virtual void SAL_CALL disposing();
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public:
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// XServiceInfo - static version
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static ::rtl::OUString SAL_CALL getImplementationName_static();
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static Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames_static();
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static Reference< XInterface > Create( const Reference< XComponentContext >& _rxContext );
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public:
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typedef ComponentMethodGuard< FileHandler > MethodGuard;
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void enterMethod( MethodGuard::Access );
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void leaveMethod( MethodGuard::Access );
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private:
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/** prepares our output file for writing
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*/
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bool impl_prepareFile_nothrow();
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/// writes the given string to our file
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void impl_writeString_nothrow( const ::rtl::OString& _rEntry );
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/** does string substitution on a (usually externally provided) file url
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*/
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void impl_doStringsubstitution_nothrow( ::rtl::OUString& _inout_rURL );
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};
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//====================================================================
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//= FileHandler - implementation
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//====================================================================
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//--------------------------------------------------------------------
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FileHandler::FileHandler( const Reference< XComponentContext >& _rxContext )
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:FileHandler_Base( m_aMutex )
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,m_aContext( _rxContext )
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,m_aHandlerHelper( _rxContext, m_aMutex, rBHelper )
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,m_sFileURL( )
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,m_pFile( )
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,m_eFileValidity( eUnknown )
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{
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}
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//--------------------------------------------------------------------
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FileHandler::~FileHandler()
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{
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if ( !rBHelper.bDisposed )
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{
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acquire();
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dispose();
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}
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}
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//--------------------------------------------------------------------
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bool FileHandler::impl_prepareFile_nothrow()
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{
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if ( m_eFileValidity == eUnknown )
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{
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m_pFile.reset( new ::osl::File( m_sFileURL ) );
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// check whether the log file already exists
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::osl::DirectoryItem aFileItem;
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::osl::DirectoryItem::get( m_sFileURL, aFileItem );
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::osl::FileStatus aStatus( FileStatusMask_Validate );
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if ( ::osl::FileBase::E_None == aFileItem.getFileStatus( aStatus ) )
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::osl::File::remove( m_sFileURL );
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::osl::FileBase::RC res = m_pFile->open( osl_File_OpenFlag_Write | osl_File_OpenFlag_Create );
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m_eFileValidity = res == ::osl::FileBase::E_None
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? eValid
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: eInvalid;
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#if OSL_DEBUG_LEVEL > 0
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if ( m_eFileValidity == eInvalid )
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{
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::rtl::OStringBuffer sMessage;
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sMessage.append( "FileHandler::impl_prepareFile_nothrow: could not open the designated log file:" );
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sMessage.append( "\nURL: " );
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sMessage.append( ::rtl::OString( m_sFileURL.getStr(), m_sFileURL.getLength(), osl_getThreadTextEncoding() ) );
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sMessage.append( "\nerror code: " );
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sMessage.append( (sal_Int32)res );
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OSL_ENSURE( false, sMessage.makeStringAndClear() );
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}
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#endif
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if ( m_eFileValidity == eValid )
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{
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::rtl::OString sHead;
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if ( m_aHandlerHelper.getEncodedHead( sHead ) )
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impl_writeString_nothrow( sHead );
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}
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}
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return m_eFileValidity == eValid;
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}
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//--------------------------------------------------------------------
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void FileHandler::impl_writeString_nothrow( const ::rtl::OString& _rEntry )
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{
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OSL_PRECOND( m_pFile.get(), "FileHandler::impl_writeString_nothrow: no file!" );
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sal_uInt64 nBytesToWrite( _rEntry.getLength() );
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sal_uInt64 nBytesWritten( 0 );
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#if OSL_DEBUG_LEVEL > 0
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::osl::FileBase::RC res =
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#endif
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m_pFile->write( _rEntry.getStr(), nBytesToWrite, nBytesWritten );
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OSL_ENSURE( ( res == ::osl::FileBase::E_None ) && ( nBytesWritten == nBytesToWrite ),
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"FileHandler::impl_writeString_nothrow: could not write the log entry!" );
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}
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//--------------------------------------------------------------------
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void FileHandler::impl_doStringsubstitution_nothrow( ::rtl::OUString& _inout_rURL )
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{
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try
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{
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Reference< XStringSubstitution > xStringSubst;
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if ( m_aContext.createComponent( "com.sun.star.util.PathSubstitution", xStringSubst ) )
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_inout_rURL = xStringSubst->substituteVariables( _inout_rURL, true );
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}
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catch( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION();
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}
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}
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//--------------------------------------------------------------------
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void SAL_CALL FileHandler::disposing()
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{
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if ( m_eFileValidity == eValid )
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{
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::rtl::OString sTail;
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if ( m_aHandlerHelper.getEncodedTail( sTail ) )
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impl_writeString_nothrow( sTail );
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}
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m_pFile.reset( NULL );
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m_aHandlerHelper.setFormatter( NULL );
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}
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//--------------------------------------------------------------------
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void FileHandler::enterMethod( MethodGuard::Access )
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{
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m_aHandlerHelper.enterMethod();
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}
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//--------------------------------------------------------------------
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void FileHandler::leaveMethod( MethodGuard::Access )
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{
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m_aMutex.release();
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}
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//--------------------------------------------------------------------
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::rtl::OUString SAL_CALL FileHandler::getEncoding() throw (RuntimeException)
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{
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MethodGuard aGuard( *this );
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::rtl::OUString sEncoding;
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OSL_VERIFY( m_aHandlerHelper.getEncoding( sEncoding ) );
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return sEncoding;
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}
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//--------------------------------------------------------------------
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void SAL_CALL FileHandler::setEncoding( const ::rtl::OUString& _rEncoding ) throw (RuntimeException)
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{
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MethodGuard aGuard( *this );
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OSL_VERIFY( m_aHandlerHelper.setEncoding( _rEncoding ) );
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}
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//--------------------------------------------------------------------
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Reference< XLogFormatter > SAL_CALL FileHandler::getFormatter() throw (RuntimeException)
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{
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MethodGuard aGuard( *this );
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return m_aHandlerHelper.getFormatter();
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}
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//--------------------------------------------------------------------
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void SAL_CALL FileHandler::setFormatter( const Reference< XLogFormatter >& _rxFormatter ) throw (RuntimeException)
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{
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MethodGuard aGuard( *this );
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m_aHandlerHelper.setFormatter( _rxFormatter );
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}
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//--------------------------------------------------------------------
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::sal_Int32 SAL_CALL FileHandler::getLevel() throw (RuntimeException)
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{
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MethodGuard aGuard( *this );
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return m_aHandlerHelper.getLevel();
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}
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//--------------------------------------------------------------------
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void SAL_CALL FileHandler::setLevel( ::sal_Int32 _nLevel ) throw (RuntimeException)
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{
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MethodGuard aGuard( *this );
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m_aHandlerHelper.setLevel( _nLevel );
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}
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//--------------------------------------------------------------------
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void SAL_CALL FileHandler::flush( ) throw (RuntimeException)
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{
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MethodGuard aGuard( *this );
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// nothing to do, our ::osl::File implementation is not buffered
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}
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//--------------------------------------------------------------------
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::sal_Bool SAL_CALL FileHandler::publish( const LogRecord& _rRecord ) throw (RuntimeException)
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{
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MethodGuard aGuard( *this );
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if ( !impl_prepareFile_nothrow() )
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return sal_False;
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::rtl::OString sEntry;
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if ( !m_aHandlerHelper.formatForPublishing( _rRecord, sEntry ) )
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return sal_False;
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impl_writeString_nothrow( sEntry );
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return sal_True;
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}
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//--------------------------------------------------------------------
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void SAL_CALL FileHandler::initialize( const Sequence< Any >& _rArguments ) throw (Exception, RuntimeException)
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_aHandlerHelper.getIsInitialized() )
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throw AlreadyInitializedException();
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if ( _rArguments.getLength() != 1 )
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throw IllegalArgumentException( ::rtl::OUString(), *this, 1 );
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Sequence< NamedValue > aSettings;
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if ( _rArguments[0] >>= m_sFileURL )
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{
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// create( [in] string URL );
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impl_doStringsubstitution_nothrow( m_sFileURL );
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}
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else if ( _rArguments[0] >>= aSettings )
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{
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// createWithSettings( [in] sequence< ::com::sun::star::beans::NamedValue > Settings )
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::comphelper::NamedValueCollection aTypedSettings( aSettings );
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m_aHandlerHelper.initFromSettings( aTypedSettings );
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if ( aTypedSettings.get_ensureType( "FileURL", m_sFileURL ) )
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impl_doStringsubstitution_nothrow( m_sFileURL );
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}
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else
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throw IllegalArgumentException( ::rtl::OUString(), *this, 1 );
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m_aHandlerHelper.setIsInitialized();
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}
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//--------------------------------------------------------------------
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::rtl::OUString SAL_CALL FileHandler::getImplementationName() throw(RuntimeException)
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{
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return getImplementationName_static();
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}
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//--------------------------------------------------------------------
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::sal_Bool SAL_CALL FileHandler::supportsService( const ::rtl::OUString& _rServiceName ) throw(RuntimeException)
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{
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const Sequence< ::rtl::OUString > aServiceNames( getSupportedServiceNames() );
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for ( const ::rtl::OUString* pServiceNames = aServiceNames.getConstArray();
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pServiceNames != aServiceNames.getConstArray() + aServiceNames.getLength();
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++pServiceNames
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)
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if ( _rServiceName == *pServiceNames )
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return sal_True;
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return sal_False;
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}
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//--------------------------------------------------------------------
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Sequence< ::rtl::OUString > SAL_CALL FileHandler::getSupportedServiceNames() throw(RuntimeException)
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{
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return getSupportedServiceNames_static();
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}
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//--------------------------------------------------------------------
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::rtl::OUString SAL_CALL FileHandler::getImplementationName_static()
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{
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|
return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.extensions.FileHandler" ) );
|
||
|
}
|
||
|
|
||
|
//--------------------------------------------------------------------
|
||
|
Sequence< ::rtl::OUString > SAL_CALL FileHandler::getSupportedServiceNames_static()
|
||
|
{
|
||
|
Sequence< ::rtl::OUString > aServiceNames(1);
|
||
|
aServiceNames[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.logging.FileHandler" ) );
|
||
|
return aServiceNames;
|
||
|
}
|
||
|
|
||
|
//--------------------------------------------------------------------
|
||
|
Reference< XInterface > FileHandler::Create( const Reference< XComponentContext >& _rxContext )
|
||
|
{
|
||
|
return *( new FileHandler( _rxContext ) );
|
||
|
}
|
||
|
|
||
|
//--------------------------------------------------------------------
|
||
|
void createRegistryInfo_FileHandler()
|
||
|
{
|
||
|
static OAutoRegistration< FileHandler > aAutoRegistration;
|
||
|
}
|
||
|
|
||
|
//........................................................................
|
||
|
} // namespace logging
|
||
|
//........................................................................
|