/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: MResultSetMetaData.cxx,v $
 * $Revision: 1.8 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include "connectivity/dbexception.hxx"
#include "connectivity/dbtools.hxx"
#include <comphelper/types.hxx>
#include <comphelper/extract.hxx>
#include <cppuhelper/typeprovider.hxx>
#include <tools/diagnose_ex.h>
#include "MResultSetMetaData.hxx"
#include <com/sun/star/sdbc/DataType.hpp>

using namespace connectivity::mozab;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::sdbc;
using namespace com::sun::star::beans;
using namespace ::dbtools;
using namespace ::comphelper;

// -------------------------------------------------------------------------
OResultSetMetaData::~OResultSetMetaData()
{
   m_xColumns = NULL;
}

// -----------------------------------------------------------------------------
void OResultSetMetaData::checkColumnIndex(sal_Int32 column)  throw(SQLException, RuntimeException)
{
    if(column <= 0 || column > (sal_Int32)(sal_Int32)m_xColumns->get().size())
        throwInvalidIndexException(*this);
}
// -------------------------------------------------------------------------
sal_Int32 SAL_CALL OResultSetMetaData::getColumnDisplaySize( sal_Int32 column ) throw(SQLException, RuntimeException)
{
    return getPrecision(column);
}
// -------------------------------------------------------------------------

sal_Int32 SAL_CALL OResultSetMetaData::getColumnType( sal_Int32 /*column*/ ) throw(SQLException, RuntimeException)
{
    return DataType::VARCHAR; // at the moment there exists only this type
}
// -------------------------------------------------------------------------

sal_Int32 SAL_CALL OResultSetMetaData::getColumnCount(  ) throw(SQLException, RuntimeException)
{
    return (m_xColumns->get()).size();
}
// -------------------------------------------------------------------------

sal_Bool SAL_CALL OResultSetMetaData::isCaseSensitive( sal_Int32 /*column*/ ) throw(SQLException, RuntimeException)
{
    return sal_False;
}
// -------------------------------------------------------------------------

::rtl::OUString SAL_CALL OResultSetMetaData::getSchemaName( sal_Int32 /*column*/ ) throw(SQLException, RuntimeException)
{
    return ::rtl::OUString();
}
// -------------------------------------------------------------------------

::rtl::OUString SAL_CALL OResultSetMetaData::getColumnName( sal_Int32 column ) throw(SQLException, RuntimeException)
{
    checkColumnIndex(column);

    ::rtl::OUString sColumnName;
    try
    {
        Reference< XPropertySet > xColumnProps( (m_xColumns->get())[column-1], UNO_QUERY_THROW );
        OSL_VERIFY( xColumnProps->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_NAME ) ) >>= sColumnName );
    }
    catch( const Exception& )
    {
        DBG_UNHANDLED_EXCEPTION();
    }
    return sColumnName;
}
// -------------------------------------------------------------------------
::rtl::OUString SAL_CALL OResultSetMetaData::getTableName( sal_Int32 /*column*/ ) throw(SQLException, RuntimeException)
{
    return m_aTableName;
}
// -------------------------------------------------------------------------
::rtl::OUString SAL_CALL OResultSetMetaData::getCatalogName( sal_Int32 /*column*/ ) throw(SQLException, RuntimeException)
{
    return ::rtl::OUString();
}
// -------------------------------------------------------------------------
::rtl::OUString SAL_CALL OResultSetMetaData::getColumnTypeName( sal_Int32 column ) throw(SQLException, RuntimeException)
{
    checkColumnIndex(column);
    return getString((m_xColumns->get())[column-1]->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPENAME)));
}
// -------------------------------------------------------------------------
::rtl::OUString SAL_CALL OResultSetMetaData::getColumnLabel( sal_Int32 column ) throw(SQLException, RuntimeException)
{
    return getColumnName(column);
}
// -------------------------------------------------------------------------
::rtl::OUString SAL_CALL OResultSetMetaData::getColumnServiceName( sal_Int32 /*column*/ ) throw(SQLException, RuntimeException)
{
    return ::rtl::OUString();
}
// -------------------------------------------------------------------------

sal_Bool SAL_CALL OResultSetMetaData::isCurrency( sal_Int32 column ) throw(SQLException, RuntimeException)
{
    checkColumnIndex(column);
    return getBOOL((m_xColumns->get())[column-1]->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)));
}
// -------------------------------------------------------------------------

sal_Bool SAL_CALL OResultSetMetaData::isAutoIncrement( sal_Int32 /*column*/ ) throw(SQLException, RuntimeException)
{
    return sal_False;
}
// -------------------------------------------------------------------------
sal_Bool SAL_CALL OResultSetMetaData::isSigned( sal_Int32 /*column*/ ) throw(SQLException, RuntimeException)
{
    return sal_False;
}
// -------------------------------------------------------------------------
sal_Int32 SAL_CALL OResultSetMetaData::getPrecision( sal_Int32 column ) throw(SQLException, RuntimeException)
{
    checkColumnIndex(column);
    return getINT32((m_xColumns->get())[column-1]->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRECISION)));
}
// -------------------------------------------------------------------------
sal_Int32 SAL_CALL OResultSetMetaData::getScale( sal_Int32 column ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
{
    checkColumnIndex(column);
    return getINT32((m_xColumns->get())[column-1]->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCALE)));
}
// -------------------------------------------------------------------------

sal_Int32 SAL_CALL OResultSetMetaData::isNullable( sal_Int32 column ) throw(SQLException, RuntimeException)
{
    checkColumnIndex(column);
    return getINT32((m_xColumns->get())[column-1]->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISNULLABLE)));
}
// -------------------------------------------------------------------------

sal_Bool SAL_CALL OResultSetMetaData::isSearchable( sal_Int32 column ) throw(SQLException, RuntimeException)
{
    ::rtl::OUString sColumnName( getColumnName( column ) );

    if ( !m_pTable || !m_pTable->getConnection() )
    {
        OSL_ENSURE( false, "OResultSetMetaData::isSearchable: suspicious: called without table or connection!" );
        return sal_False;
    }

    if ( m_pTable->getConnection()->isLDAP() )
    {
        const OColumnAlias& aAliases( m_pTable->getConnection()->getColumnAlias() );
        if ( !aAliases.isColumnSearchable( sColumnName ) )
            return sal_False;
    }

    return sal_True;
}
// -------------------------------------------------------------------------

sal_Bool SAL_CALL OResultSetMetaData::isReadOnly( sal_Int32 column ) throw(SQLException, RuntimeException)
{
    checkColumnIndex(column);
    sal_Bool bReadOnly = (m_xColumns->get())[column-1]->getPropertySetInfo()->hasPropertyByName(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_FUNCTION)) &&
        ::cppu::any2bool((m_xColumns->get())[column-1]->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_FUNCTION)));

    return m_bReadOnly || bReadOnly || m_pTable->isReadOnly();
}
// -------------------------------------------------------------------------

sal_Bool SAL_CALL OResultSetMetaData::isDefinitelyWritable( sal_Int32 column ) throw(SQLException, RuntimeException)
{
    return !isReadOnly(column);
}
// -------------------------------------------------------------------------
sal_Bool SAL_CALL OResultSetMetaData::isWritable( sal_Int32 column ) throw(SQLException, RuntimeException)
{
    return !isReadOnly(column);
}
// -------------------------------------------------------------------------