1 files changed, 159 insertions, 0 deletions
diff --git a/comphelper/source/misc/logging.cxx b/comphelper/source/misc/logging.cxx
new file mode 100644
index 000000000..b656389de
--- /dev/null
+++ b/comphelper/source/misc/logging.cxx
@@ -0,0 +1,159 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <comphelper/logging.hxx>
+
+#include <com/sun/star/logging/LoggerPool.hpp>
+
+#include <osl/diagnose.h>
+
+
+namespace comphelper
+{
+    using ::com::sun::star::uno::Reference;
+    using ::com::sun::star::uno::XComponentContext;
+    using ::com::sun::star::logging::XLoggerPool;
+    using ::com::sun::star::logging::LoggerPool;
+    using ::com::sun::star::logging::XLogger;
+    using ::com::sun::star::uno::Exception;
+
+    class EventLogger_Impl
+    {
+    private:
+        Reference< XComponentContext >  m_aContext;
+        Reference< XLogger >            m_xLogger;
+
+    public:
+        EventLogger_Impl( const Reference< XComponentContext >& _rxContext, const OUString& _rLoggerName );
+
+        bool isValid() const { return m_xLogger.is(); }
+        const Reference< XLogger >& getLogger() const { return m_xLogger; }
+    };
+
+    EventLogger_Impl::EventLogger_Impl( const Reference< XComponentContext >& _rxContext, const OUString& _rLoggerName )
+        :m_aContext( _rxContext )
+    {
+        try
+        {
+            Reference< XLoggerPool > xPool( LoggerPool::get( m_aContext ) );
+            if ( !_rLoggerName.isEmpty() )
+                m_xLogger = xPool->getNamedLogger( _rLoggerName );
+            else
+                m_xLogger = xPool->getDefaultLogger();
+        }
+        catch( const Exception& )
+        {
+            OSL_FAIL( "EventLogger_Impl::impl_createLogger_nothrow: caught an exception!" );
+        }
+    }
+
+    EventLogger::EventLogger( const Reference< XComponentContext >& _rxContext, const char* _pAsciiLoggerName )
+        :m_pImpl( std::make_shared<EventLogger_Impl>( _rxContext, OUString::createFromAscii( _pAsciiLoggerName ) ) )
+    {
+    }
+
+    bool EventLogger::isLoggable( const sal_Int32 _nLogLevel ) const
+    {
+        if ( !m_pImpl->isValid() )
+            return false;
+
+        try
+        {
+            return m_pImpl->getLogger()->isLoggable( _nLogLevel );
+        }
+        catch( const Exception& )
+        {
+            OSL_FAIL( "EventLogger::isLoggable: caught an exception!" );
+        }
+
+        return false;
+    }
+
+    const css::uno::Reference<css::logging::XLogger> & EventLogger::getLogger() const
+    {
+        return m_pImpl->getLogger();
+    }
+
+
+    namespace
+    {
+        void lcl_replaceParameter( OUString& _inout_Message, const char* _rPlaceHolder, std::u16string_view _rReplacement )
+        {
+            sal_Int32 nPlaceholderPosition = _inout_Message.indexOfAsciiL( _rPlaceHolder, strlen(_rPlaceHolder) );
+            OSL_ENSURE( nPlaceholderPosition >= 0, "lcl_replaceParameter: placeholder not found!" );
+            if ( nPlaceholderPosition < 0 )
+                return;
+
+            _inout_Message = _inout_Message.replaceAt( nPlaceholderPosition, strlen(_rPlaceHolder), _rReplacement );
+        }
+    }
+
+
+    void EventLogger::impl_log( const sal_Int32 _nLogLevel,
+        const char* _pSourceClass, const char* _pSourceMethod, const OUString& _rMessage,
+        const OptionalString& _rArgument1, const OptionalString& _rArgument2,
+        const OptionalString& _rArgument3, const OptionalString& _rArgument4,
+        const OptionalString& _rArgument5, const OptionalString& _rArgument6 ) const
+    {
+        OUString sMessage( _rMessage );
+        if ( !!_rArgument1 )
+            lcl_replaceParameter( sMessage, "$1$", *_rArgument1 );
+
+        if ( !!_rArgument2 )
+            lcl_replaceParameter( sMessage, "$2$", *_rArgument2 );
+
+        if ( !!_rArgument3 )
+            lcl_replaceParameter( sMessage, "$3$", *_rArgument3 );
+
+        if ( !!_rArgument4 )
+            lcl_replaceParameter( sMessage, "$4$", *_rArgument4 );
+
+        if ( !!_rArgument5 )
+            lcl_replaceParameter( sMessage, "$5$", *_rArgument5 );
+
+        if ( !!_rArgument6 )
+            lcl_replaceParameter( sMessage, "$6$", *_rArgument6 );
+
+        try
+        {
+            Reference< XLogger > xLogger( m_pImpl->getLogger() );
+            OSL_PRECOND( xLogger.is(), "EventLogger::impl_log: should never be called without a logger!" );
+            if ( _pSourceClass && _pSourceMethod )
+            {
+                xLogger->logp(
+                    _nLogLevel,
+                    OUString::createFromAscii( _pSourceClass ),
+                    OUString::createFromAscii( _pSourceMethod ),
+                    sMessage
+                );
+            }
+            else
+            {
+                xLogger->log( _nLogLevel, sMessage );
+            }
+        }
+        catch( const Exception& )
+        {
+            OSL_FAIL( "EventLogger::impl_log: caught an exception!" );
+        }
+    }
+} // namespace comphelper
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */