/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_extensions.hxx"

#include "log_module.hxx"

#include <stdio.h>

/** === begin UNO includes === **/
#include <com/sun/star/logging/XLogFormatter.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
/** === end UNO includes === **/

#include <comphelper/componentcontext.hxx>

#include <cppuhelper/implbase2.hxx>

#include <rtl/ustrbuf.hxx>

#include <osl/thread.h>

//........................................................................
namespace logging
{
//........................................................................

	/** === begin UNO using === **/
    using ::com::sun::star::logging::XLogFormatter;
    using ::com::sun::star::uno::XComponentContext;
    using ::com::sun::star::uno::Reference;
    using ::com::sun::star::uno::Sequence;
    using ::com::sun::star::lang::XServiceInfo;
    using ::com::sun::star::uno::RuntimeException;
    using ::com::sun::star::logging::LogRecord;
    using ::com::sun::star::uno::XInterface;
	/** === end UNO using === **/

	//====================================================================
	//= PlainTextFormatter - declaration
	//====================================================================
    typedef ::cppu::WeakImplHelper2 <   XLogFormatter
                                    ,   XServiceInfo
                                    >   PlainTextFormatter_Base;
    class PlainTextFormatter : public PlainTextFormatter_Base
	{
    private:
        ::comphelper::ComponentContext  m_aContext;

    protected:
        PlainTextFormatter( const Reference< XComponentContext >& _rxContext );
        virtual ~PlainTextFormatter();

        // XLogFormatter
        virtual ::rtl::OUString SAL_CALL getHead(  ) throw (RuntimeException);
        virtual ::rtl::OUString SAL_CALL format( const LogRecord& Record ) throw (RuntimeException);
        virtual ::rtl::OUString SAL_CALL getTail(  ) throw (RuntimeException);

        // XServiceInfo
		virtual ::rtl::OUString SAL_CALL getImplementationName() throw(RuntimeException);
        virtual ::sal_Bool SAL_CALL supportsService( const ::rtl::OUString& _rServiceName ) throw(RuntimeException);
        virtual Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw(RuntimeException);

    public:
        // XServiceInfo - static version
		static ::rtl::OUString SAL_CALL getImplementationName_static();
        static Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames_static();
        static Reference< XInterface > Create( const Reference< XComponentContext >& _rxContext );
	};

    //====================================================================
	//= PlainTextFormatter - implementation
	//====================================================================
	//--------------------------------------------------------------------
    PlainTextFormatter::PlainTextFormatter( const Reference< XComponentContext >& _rxContext )
        :m_aContext( _rxContext )
    {
    }

    //--------------------------------------------------------------------
    PlainTextFormatter::~PlainTextFormatter()
    {
    }

    //--------------------------------------------------------------------
    ::rtl::OUString SAL_CALL PlainTextFormatter::getHead(  ) throw (RuntimeException)
    {
        ::rtl::OUStringBuffer aHeader;
        aHeader.appendAscii( "  event no" );                 // column 1: the event number
        aHeader.appendAscii( " " );
        aHeader.appendAscii( "thread  " );                   // column 2: the thread ID
        aHeader.appendAscii( " " );
        aHeader.appendAscii( "date      " );                 // column 3: date
        aHeader.appendAscii( " " );
        aHeader.appendAscii( "time       " );         // column 4: time
        aHeader.appendAscii( " " );
        aHeader.appendAscii( "(class/method:) message" );    // column 5: class/method/message
        aHeader.appendAscii( "\n" );
        return aHeader.makeStringAndClear();
    }

    //--------------------------------------------------------------------
    ::rtl::OUString SAL_CALL PlainTextFormatter::format( const LogRecord& _rRecord ) throw (RuntimeException)
    {
        char buffer[ 30 ];
        const int buffer_size = sizeof( buffer );
        int used = snprintf( buffer, buffer_size, "%10i", (int)_rRecord.SequenceNumber );
        if ( used >= buffer_size || used < 0 )
            buffer[ buffer_size - 1 ] = 0;

        ::rtl::OUStringBuffer aLogEntry;
        aLogEntry.appendAscii( buffer );
        aLogEntry.appendAscii( " " );

        ::rtl::OString sThreadID( ::rtl::OUStringToOString( _rRecord.ThreadID, osl_getThreadTextEncoding() ) );
        snprintf( buffer, buffer_size, "%8s", sThreadID.getStr() );
        aLogEntry.appendAscii( buffer );
        aLogEntry.appendAscii( " " );

        snprintf( buffer, buffer_size, "%04i-%02i-%02i %02i:%02i:%02i.%02i",
            (int)_rRecord.LogTime.Year, (int)_rRecord.LogTime.Month, (int)_rRecord.LogTime.Day,
            (int)_rRecord.LogTime.Hours, (int)_rRecord.LogTime.Minutes, (int)_rRecord.LogTime.Seconds, (int)_rRecord.LogTime.HundredthSeconds );
        aLogEntry.appendAscii( buffer );
        aLogEntry.appendAscii( " " );

        if ( _rRecord.SourceClassName.getLength() && _rRecord.SourceMethodName.getLength() )
        {
            aLogEntry.append( _rRecord.SourceClassName );
            aLogEntry.appendAscii( "::" );
            aLogEntry.append( _rRecord.SourceMethodName );
            aLogEntry.appendAscii( ": " );
        }

        aLogEntry.append( _rRecord.Message );
        aLogEntry.appendAscii( "\n" );

        return aLogEntry.makeStringAndClear();
    }

    //--------------------------------------------------------------------
    ::rtl::OUString SAL_CALL PlainTextFormatter::getTail(  ) throw (RuntimeException)
    {
        // no tail
        return ::rtl::OUString();
    }

    //--------------------------------------------------------------------
    ::sal_Bool SAL_CALL PlainTextFormatter::supportsService( const ::rtl::OUString& _rServiceName ) throw(RuntimeException)
    {
        const Sequence< ::rtl::OUString > aServiceNames( getSupportedServiceNames() );
        for (   const ::rtl::OUString* pServiceNames = aServiceNames.getConstArray();
                pServiceNames != aServiceNames.getConstArray() + aServiceNames.getLength();
                ++pServiceNames
            )
            if ( _rServiceName == *pServiceNames )
                return sal_True;
        return sal_False;
    }

    //--------------------------------------------------------------------
    ::rtl::OUString SAL_CALL PlainTextFormatter::getImplementationName() throw(RuntimeException)
    {
        return getImplementationName_static();
    }

    //--------------------------------------------------------------------
    Sequence< ::rtl::OUString > SAL_CALL PlainTextFormatter::getSupportedServiceNames() throw(RuntimeException)
    {
        return getSupportedServiceNames_static();
    }

    //--------------------------------------------------------------------
    ::rtl::OUString SAL_CALL PlainTextFormatter::getImplementationName_static()
    {
        return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.extensions.PlainTextFormatter" ) );
    }

    //--------------------------------------------------------------------
    Sequence< ::rtl::OUString > SAL_CALL PlainTextFormatter::getSupportedServiceNames_static()
    {
        Sequence< ::rtl::OUString > aServiceNames(1);
        aServiceNames[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.logging.PlainTextFormatter" ) );
        return aServiceNames;
    }

    //--------------------------------------------------------------------
    Reference< XInterface > PlainTextFormatter::Create( const Reference< XComponentContext >& _rxContext )
    {
        return *( new PlainTextFormatter( _rxContext ) );
    }

    //--------------------------------------------------------------------
    void createRegistryInfo_PlainTextFormatter()
    {
        static OAutoRegistration< PlainTextFormatter > aAutoRegistration;
    }

//........................................................................
} // namespace logging
//........................................................................