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office-gobmx/ucbhelper/source/provider/resultsetmetadata.cxx
Luboš Luňák 1946794ae0 mass removal of rtl:: prefixes for O(U)String* 
Modules sal, salhelper, cppu, cppuhelper, codemaker (selectively) and odk
have kept them, in order not to break external API (the automatic using declaration
is LO-internal).

Change-Id: I588fc9e0c45b914f824f91c0376980621d730f09
2013-04-07 14:23:11 +02:00

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/* -*- 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 .
*/
/**************************************************************************
TODO
**************************************************************************
*************************************************************************/
#include "osl/diagnose.h"
#include <com/sun/star/beans/Property.hpp>
#include <com/sun/star/beans/XPropertySetInfo.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/sdbc/DataType.hpp>
#include <com/sun/star/sdbc/XArray.hpp>
#include <com/sun/star/sdbc/XBlob.hpp>
#include <com/sun/star/sdbc/XClob.hpp>
#include <com/sun/star/sdbc/XRef.hpp>
#include <com/sun/star/util/Date.hpp>
#include <com/sun/star/util/Time.hpp>
#include <com/sun/star/util/DateTime.hpp>
#include <com/sun/star/ucb/PropertiesManager.hpp>
#include <ucbhelper/resultsetmetadata.hxx>
using namespace com::sun::star::beans;
using namespace com::sun::star::io;
using namespace com::sun::star::lang;
using namespace com::sun::star::sdbc;
using namespace com::sun::star::ucb;
using namespace com::sun::star::uno;
using namespace com::sun::star::util;
namespace ucbhelper_impl {
struct ResultSetMetaData_Impl
{
osl::Mutex m_aMutex;
std::vector< ::ucbhelper::ResultSetColumnData > m_aColumnData;
sal_Bool m_bObtainedTypes;
sal_Bool m_bGlobalReadOnlyValue;
ResultSetMetaData_Impl( sal_Int32 nSize )
: m_aColumnData( nSize ), m_bObtainedTypes( sal_False ),
m_bGlobalReadOnlyValue( sal_True ) {}
ResultSetMetaData_Impl(
const std::vector< ::ucbhelper::ResultSetColumnData >& rColumnData )
: m_aColumnData( rColumnData ), m_bObtainedTypes( sal_False ),
m_bGlobalReadOnlyValue( sal_False ) {}
};
}
using namespace ucbhelper_impl;
namespace ucbhelper {
//=========================================================================
//=========================================================================
//
// ResultSetMetaData Implementation.
//
//=========================================================================
//=========================================================================
ResultSetMetaData::ResultSetMetaData(
const Reference< XComponentContext >& rxContext,
const Sequence< Property >& rProps,
sal_Bool bReadOnly )
: m_pImpl( new ResultSetMetaData_Impl( rProps.getLength() ) ),
m_xContext( rxContext ),
m_aProps( rProps ),
m_bReadOnly( bReadOnly )
{
}
//=========================================================================
ResultSetMetaData::ResultSetMetaData(
const Reference< XComponentContext >& rxContext,
const Sequence< Property >& rProps,
const std::vector< ResultSetColumnData >& rColumnData )
: m_pImpl( new ResultSetMetaData_Impl( rColumnData ) ),
m_xContext( rxContext ),
m_aProps( rProps ),
m_bReadOnly( sal_True )
{
OSL_ENSURE( rColumnData.size() == sal_uInt32( rProps.getLength() ),
"ResultSetMetaData ctor - different array sizes!" );
}
//=========================================================================
// virtual
ResultSetMetaData::~ResultSetMetaData()
{
delete m_pImpl;
}
//=========================================================================
//
// XInterface methods.
//
//=========================================================================
XINTERFACE_IMPL_2( ResultSetMetaData,
XTypeProvider,
XResultSetMetaData );
//=========================================================================
//
// XTypeProvider methods.
//
//=========================================================================
XTYPEPROVIDER_IMPL_2( ResultSetMetaData,
XTypeProvider,
XResultSetMetaData );
//=========================================================================
//
// XResultSetMetaData methods.
//
//=========================================================================
// virtual
sal_Int32 SAL_CALL ResultSetMetaData::getColumnCount()
throw( SQLException, RuntimeException )
{
return m_aProps.getLength();
}
//=========================================================================
// virtual
sal_Bool SAL_CALL ResultSetMetaData::isAutoIncrement( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Checks whether column is automatically numbered, which makes it
read-only.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return sal_False;
return m_pImpl->m_aColumnData[ column - 1 ].isAutoIncrement;
}
//=========================================================================
// virtual
sal_Bool SAL_CALL ResultSetMetaData::isCaseSensitive( sal_Int32 column )
throw( SQLException, RuntimeException )
{
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return sal_False;
return m_pImpl->m_aColumnData[ column - 1 ].isCaseSensitive;
}
//=========================================================================
// virtual
sal_Bool SAL_CALL ResultSetMetaData::isSearchable( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Checks whether the value stored in column can be used in a
WHERE clause.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return sal_False;
return m_pImpl->m_aColumnData[ column - 1 ].isSearchable;
}
//=========================================================================
// virtual
sal_Bool SAL_CALL ResultSetMetaData::isCurrency( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Checks whether column is a cash value.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return sal_False;
return m_pImpl->m_aColumnData[ column - 1 ].isCurrency;
}
//=========================================================================
// virtual
sal_Int32 SAL_CALL ResultSetMetaData::isNullable( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Checks whether a NULL can be stored in column.
Possible values: see com/sun/star/sdbc/ColumnValue.idl
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return ColumnValue::NULLABLE;
return m_pImpl->m_aColumnData[ column - 1 ].isNullable;
}
//=========================================================================
// virtual
sal_Bool SAL_CALL ResultSetMetaData::isSigned( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Checks whether the value stored in column is a signed number.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return sal_False;
return m_pImpl->m_aColumnData[ column - 1 ].isSigned;
}
//=========================================================================
// virtual
sal_Int32 SAL_CALL ResultSetMetaData::getColumnDisplaySize( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Gets the normal maximum width in characters for column.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return 16;
return m_pImpl->m_aColumnData[ column - 1 ].columnDisplaySize;
}
//=========================================================================
// virtual
OUString SAL_CALL ResultSetMetaData::getColumnLabel( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Gets the suggested column title for column, to be used in print-
outs and displays.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return OUString();
OUString aLabel = m_pImpl->m_aColumnData[ column - 1 ].columnLabel;
if ( !aLabel.isEmpty() )
return aLabel;
return m_aProps.getConstArray()[ column - 1 ].Name;
}
//=========================================================================
// virtual
OUString SAL_CALL ResultSetMetaData::getColumnName( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Gets the name of column.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return OUString();
return m_aProps.getConstArray()[ column - 1 ].Name;
}
//=========================================================================
// virtual
OUString SAL_CALL ResultSetMetaData::getSchemaName( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Gets the schema name for the table from which column of this
result set was derived.
Because this feature is not widely supported, the return value
for many DBMSs will be an empty string.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return OUString();
return m_pImpl->m_aColumnData[ column - 1 ].schemaName;
}
//=========================================================================
// virtual
sal_Int32 SAL_CALL ResultSetMetaData::getPrecision( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
For number types, getprecision gets the number of decimal digits
in column.
For character types, it gets the maximum length in characters for
column.
For binary types, it gets the maximum length in bytes for column.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return -1;
return m_pImpl->m_aColumnData[ column - 1 ].precision;
}
//=========================================================================
// virtual
sal_Int32 SAL_CALL ResultSetMetaData::getScale( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Gets the number of digits to the right of the decimal point for
values in column.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return 0;
return m_pImpl->m_aColumnData[ column - 1 ].scale;
}
//=========================================================================
// virtual
OUString SAL_CALL ResultSetMetaData::getTableName( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Gets the name of the table from which column of this result set
was derived or "" if there is none (for example, for a join).
Because this feature is not widely supported, the return value
for many DBMSs will be an empty string.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return OUString();
return m_pImpl->m_aColumnData[ column - 1 ].tableName;
}
//=========================================================================
// virtual
OUString SAL_CALL ResultSetMetaData::getCatalogName( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Gets the catalog name for the table from which column of this
result set was derived.
Because this feature is not widely supported, the return value
for many DBMSs will be an empty string.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return OUString();
return m_pImpl->m_aColumnData[ column - 1 ].catalogName;
}
//=========================================================================
// virtual
sal_Int32 SAL_CALL ResultSetMetaData::getColumnType( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Gets the JDBC type for the value stored in column. ... The STRUCT
and DISTINCT type codes are always returned for structured and
distinct types, regardless of whether the value will be mapped
according to the standard mapping or be a custom mapping.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return DataType::SQLNULL;
if ( m_aProps.getConstArray()[ column - 1 ].Type
== getCppuVoidType() )
{
// No type given. Try UCB's Properties Manager...
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( !m_pImpl->m_bObtainedTypes )
{
try
{
Reference< XPropertySetInfo > xInfo = PropertiesManager::create( m_xContext );
// Less (remote) calls...
Sequence< Property > aProps = xInfo->getProperties();
const Property* pProps1 = aProps.getConstArray();
sal_Int32 nCount1 = aProps.getLength();
sal_Int32 nCount = m_aProps.getLength();
Property* pProps = m_aProps.getArray();
for ( sal_Int32 n = 0; n < nCount; ++n )
{
Property& rProp = pProps[ n ];
for ( sal_Int32 m = 0; m < nCount1; ++m )
{
const Property& rProp1 = pProps1[ m ];
if ( rProp.Name == rProp1.Name )
{
// Found...
rProp.Type = rProp1.Type;
break;
}
}
}
}
catch ( RuntimeException& )
{
throw;
}
catch ( Exception& )
{
// createInstance
}
m_pImpl->m_bObtainedTypes = sal_True;
}
}
const Type& rType = m_aProps.getConstArray()[ column - 1 ].Type;
sal_Int32 nType = DataType::OTHER;
if ( rType == getCppuType( static_cast< const OUString * >( 0 ) ) )
nType = DataType::VARCHAR; // XRow::getString
else if ( rType == getCppuBooleanType() )
nType = DataType::BIT; // XRow::getBoolean
else if ( rType == getCppuType( static_cast< const sal_Int32 * >( 0 ) ) )
nType = DataType::INTEGER; // XRow::getInt
else if ( rType == getCppuType( static_cast< const sal_Int64 * >( 0 ) ) )
nType = DataType::BIGINT; // XRow::getLong
else if ( rType == getCppuType( static_cast< const sal_Int16 * >( 0 ) ) )
nType = DataType::SMALLINT; // XRow::getShort
else if ( rType == getCppuType( static_cast< const sal_Int8 * >( 0 ) ) )
nType = DataType::TINYINT; // XRow::getByte
else if ( rType == getCppuType( static_cast< const float * >( 0 ) ) )
nType = DataType::REAL; // XRow::getFloat
else if ( rType == getCppuType( static_cast< const double * >( 0 ) ) )
nType = DataType::DOUBLE; // XRow::getDouble
else if ( rType == getCppuType( static_cast< const Sequence< sal_Int8 > * >( 0 ) ) )
nType = DataType::VARBINARY;// XRow::getBytes
else if ( rType == getCppuType( static_cast< const Date * >( 0 ) ) )
nType = DataType::DATE; // XRow::getDate
else if ( rType == getCppuType( static_cast< const Time * >( 0 ) ) )
nType = DataType::TIME; // XRow::getTime
else if ( rType == getCppuType( static_cast< const DateTime * >( 0 ) ) )
nType = DataType::TIMESTAMP;// XRow::getTimestamp
else if ( rType == getCppuType( static_cast< Reference< XInputStream > * >( 0 ) ) )
nType = DataType::LONGVARBINARY; // XRow::getBinaryStream
// nType = DataType::LONGVARCHAR; // XRow::getCharacterStream
else if ( rType == getCppuType( static_cast< Reference< XClob > * >( 0 ) ) )
nType = DataType::CLOB; // XRow::getClob
else if ( rType == getCppuType( static_cast< Reference< XBlob > * >( 0 ) ) )
nType = DataType::BLOB; // XRow::getBlob
else if ( rType == getCppuType( static_cast< Reference< XArray > * >( 0 ) ) )
nType = DataType::ARRAY;// XRow::getArray
else if ( rType == getCppuType( static_cast< Reference< XRef > * >( 0 ) ) )
nType = DataType::REF;// XRow::getRef
else
nType = DataType::OBJECT;// XRow::getObject
return nType;
}
//=========================================================================
// virtual
OUString SAL_CALL ResultSetMetaData::getColumnTypeName( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Gets the type name used by this particular data source for the
values stored in column. If the type code for the type of value
stored in column is STRUCT, DISTINCT or JAVA_OBJECT, this method
returns a fully-qualified SQL type name.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return OUString();
return m_pImpl->m_aColumnData[ column - 1 ].columnTypeName;
}
//=========================================================================
// virtual
sal_Bool SAL_CALL ResultSetMetaData::isReadOnly( sal_Int32 column )
throw( SQLException, RuntimeException )
{
if ( m_pImpl->m_bGlobalReadOnlyValue )
return m_bReadOnly;
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return sal_True;
// autoincrement==true => readonly
return m_pImpl->m_aColumnData[ column - 1 ].isAutoIncrement ||
m_pImpl->m_aColumnData[ column - 1 ].isReadOnly;
}
//=========================================================================
// virtual
sal_Bool SAL_CALL ResultSetMetaData::isWritable( sal_Int32 column )
throw( SQLException, RuntimeException )
{
if ( m_pImpl->m_bGlobalReadOnlyValue )
return !m_bReadOnly;
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return sal_False;
return m_pImpl->m_aColumnData[ column - 1 ].isWritable;
}
//=========================================================================
// virtual
sal_Bool SAL_CALL ResultSetMetaData::isDefinitelyWritable( sal_Int32 column )
throw( SQLException, RuntimeException )
{
if ( m_pImpl->m_bGlobalReadOnlyValue )
return !m_bReadOnly;
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return sal_False;
return m_pImpl->m_aColumnData[ column - 1 ].isDefinitelyWritable;
}
//=========================================================================
// virtual
OUString SAL_CALL ResultSetMetaData::getColumnServiceName( sal_Int32 column )
throw( SQLException, RuntimeException )
{
/*
Returns the fully-qualified name of the service whose instances
are manufactured if XResultSet::getObject is called to retrieve
a value from the column.
*/
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
return OUString();
return m_pImpl->m_aColumnData[ column - 1 ].columnServiceName;
}
} // namespace ucbhelper
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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