extensions/source/logging/loghandler.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include "loghandler.hxx"
  22
  23 #include <com/sun/star/logging/LogLevel.hpp>
  24 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  25 #include <com/sun/star/lang/DisposedException.hpp>
  26 #include <com/sun/star/logging/PlainTextFormatter.hpp>
  27
  28 #include <tools/diagnose_ex.h>
  29 #include <rtl/tencinfo.h>
  30
  31
  32 namespace logging
  33 {
  34
  35
  36     using ::com::sun::star::uno::Reference;
  37     using ::com::sun::star::uno::XComponentContext;
  38     using ::com::sun::star::uno::Any;
  39     using ::com::sun::star::logging::LogRecord;
  40     using ::com::sun::star::uno::UNO_QUERY_THROW;
  41     using ::com::sun::star::logging::XLogFormatter;
  42     using ::com::sun::star::uno::Exception;
  43     using ::com::sun::star::lang::IllegalArgumentException;
  44     using ::com::sun::star::lang::DisposedException;
  45     using ::com::sun::star::logging::PlainTextFormatter;
  46
  47     namespace LogLevel = ::com::sun::star::logging::LogLevel;
  48
  49     LogHandlerHelper::LogHandlerHelper( const Reference< XComponentContext >& _rxContext, ::osl::Mutex& _rMutex, ::cppu::OBroadcastHelper& _rBHelper )
  50         :m_eEncoding( RTL_TEXTENCODING_UTF8 )
  51         ,m_nLevel( LogLevel::SEVERE )
  52         ,m_xFormatter( NULL )
  53         ,m_xContext( _rxContext )
  54         ,m_rMutex( _rMutex )
  55         ,m_rBHelper( _rBHelper )
  56         ,m_bInitialized( false )
  57     {
  58     }
  59
  60
  61     void LogHandlerHelper::initFromSettings( const ::comphelper::NamedValueCollection& _rSettings )
  62     {
  63         OUString sEncoding;
  64         if ( _rSettings.get_ensureType( "Encoding", sEncoding ) )
  65         {
  66             if ( !setEncoding( sEncoding ) )
  67                 throw IllegalArgumentException();
  68         }
  69
  70         _rSettings.get_ensureType( "Formatter", m_xFormatter );
  71         _rSettings.get_ensureType( "Level", m_nLevel );
  72     }
  73
  74
  75     void LogHandlerHelper::enterMethod()
  76     {
  77         m_rMutex.acquire();
  78
  79         if ( !getIsInitialized() )
  80             throw DisposedException("component not initialized" );
  81
  82         if ( m_rBHelper.bDisposed )
  83             throw DisposedException("component already disposed" );
  84
  85         // fallback settings, in case they weren't passed at construction time
  86         if ( !getFormatter().is() )
  87         {
  88             try
  89             {
  90                 Reference< XLogFormatter > xFormatter( PlainTextFormatter::create( m_xContext ), UNO_QUERY_THROW );
  91                 setFormatter( xFormatter );
  92             }
  93             catch( const Exception& )
  94             {
  95                 DBG_UNHANDLED_EXCEPTION();
  96             }
  97         }
  98     }
  99
 100
 101     bool LogHandlerHelper::getEncoding( OUString& _out_rEncoding ) const
 102     {
 103         const char* pMimeCharset = rtl_getMimeCharsetFromTextEncoding( m_eEncoding );
 104         if ( pMimeCharset )
 105         {
 106             _out_rEncoding = OUString::createFromAscii( pMimeCharset );
 107             return true;
 108         }
 109         _out_rEncoding.clear();
 110         return false;
 111     }
 112
 113
 114     bool LogHandlerHelper::setEncoding( const OUString& _rEncoding )
 115     {
 116         OString sAsciiEncoding( OUStringToOString( _rEncoding, RTL_TEXTENCODING_ASCII_US ) );
 117         rtl_TextEncoding eEncoding = rtl_getTextEncodingFromMimeCharset( sAsciiEncoding.getStr() );
 118         if ( eEncoding != RTL_TEXTENCODING_DONTKNOW )
 119         {
 120             m_eEncoding = eEncoding;
 121             return true;
 122         }
 123         return false;
 124     }
 125
 126
 127     bool LogHandlerHelper::formatForPublishing( const LogRecord& _rRecord, OString& _out_rEntry ) const
 128     {
 129         if ( _rRecord.Level < getLevel() )
 130             // not to be published due to low level
 131             return false;
 132
 133         try
 134         {
 135             Reference< XLogFormatter > xFormatter( getFormatter(), UNO_QUERY_THROW );
 136             OUString sEntry( xFormatter->format( _rRecord ) );
 137             _out_rEntry = OUStringToOString( sEntry, getTextEncoding() );
 138             return true;
 139         }
 140         catch( const Exception& )
 141         {
 142             DBG_UNHANDLED_EXCEPTION();
 143         }
 144         return false;
 145     }
 146
 147
 148     bool LogHandlerHelper::getEncodedHead( OString& _out_rHead ) const
 149     {
 150         try
 151         {
 152             Reference< XLogFormatter > xFormatter( getFormatter(), UNO_QUERY_THROW );
 153             OUString sHead( xFormatter->getHead() );
 154             _out_rHead = OUStringToOString( sHead, getTextEncoding() );
 155             return true;
 156         }
 157         catch( const Exception& )
 158         {
 159             DBG_UNHANDLED_EXCEPTION();
 160         }
 161         return false;
 162     }
 163
 164
 165     bool LogHandlerHelper::getEncodedTail( OString& _out_rTail ) const
 166     {
 167         try
 168         {
 169             Reference< XLogFormatter > xFormatter( getFormatter(), UNO_QUERY_THROW );
 170             OUString sTail( xFormatter->getTail() );
 171             _out_rTail = OUStringToOString( sTail, getTextEncoding() );
 172             return true;
 173         }
 174         catch( const Exception& )
 175         {
 176             DBG_UNHANDLED_EXCEPTION();
 177         }
 178         return false;
 179     }
 180
 181
 182 } // namespace logging
 183
 184
 185 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */