connectivity/source/commontools/TColumnsHelper.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 #include <connectivity/TColumnsHelper.hxx>
  21 #include <connectivity/sdbcx/VColumn.hxx>
  22 #include <com/sun/star/sdbc/XRow.hpp>
  23 #include <com/sun/star/sdbc/XResultSet.hpp>
  24 #include <com/sun/star/sdbc/DataType.hpp>
  25 #include <com/sun/star/sdbc/ColumnValue.hpp>
  26 #include <com/sun/star/sdbcx/KeyType.hpp>
  27 #include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
  28 #include <com/sun/star/sdbcx/XKeysSupplier.hpp>
  29 #include <comphelper/types.hxx>
  30 #include <connectivity/dbtools.hxx>
  31 #include "TConnection.hxx"
  32 #include <connectivity/TTableHelper.hxx>
  33 #include <comphelper/property.hxx>
  34
  35 using namespace ::comphelper;
  36
  37
  38 using namespace connectivity::sdbcx;
  39 using namespace connectivity;
  40 using namespace dbtools;
  41 using namespace ::com::sun::star::uno;
  42 using namespace ::com::sun::star::beans;
  43 using namespace ::com::sun::star::sdbcx;
  44 using namespace ::com::sun::star::sdbc;
  45 using namespace ::com::sun::star::container;
  46 using namespace ::com::sun::star::lang;
  47
  48 namespace connectivity
  49 {
  50     class OColumnsHelperImpl
  51     {
  52     public:
  53         OColumnsHelperImpl(bool _bCase)
  54             : m_aColumnInfo(_bCase)
  55         {
  56         }
  57         ColumnInformationMap m_aColumnInfo;
  58     };
  59 }
  60
  61 OColumnsHelper::OColumnsHelper( ::cppu::OWeakObject& _rParent
  62                                 ,bool _bCase
  63                                 ,::osl::Mutex& _rMutex
  64                                 ,const TStringVector &_rVector
  65                                 ,bool _bUseHardRef
  66             ) : OCollection(_rParent,_bCase,_rMutex,_rVector,false,_bUseHardRef)
  67     ,m_pImpl(NULL)
  68     ,m_pTable(NULL)
  69 {
  70 }
  71
  72 OColumnsHelper::~OColumnsHelper()
  73 {
  74     delete m_pImpl;
  75     m_pImpl = NULL;
  76 }
  77
  78
  79 sdbcx::ObjectType OColumnsHelper::createObject(const OUString& _rName)
  80 {
  81     OSL_ENSURE(m_pTable,"NO Table set. Error!");
  82     Reference<XConnection> xConnection = m_pTable->getConnection();
  83
  84     if ( !m_pImpl )
  85         m_pImpl = new OColumnsHelperImpl(isCaseSensitive());
  86
  87     bool bQueryInfo     = true;
  88     bool bAutoIncrement = false;
  89     bool bIsCurrency    = false;
  90     sal_Int32 nDataType     = DataType::OTHER;
  91
  92     ColumnInformationMap::iterator aFind = m_pImpl->m_aColumnInfo.find(_rName);
  93     if ( aFind == m_pImpl->m_aColumnInfo.end() ) // we have to fill it
  94     {
  95         OUString sComposedName = ::dbtools::composeTableNameForSelect( xConnection, m_pTable );
  96         collectColumnInformation(xConnection,sComposedName,OUString("*") ,m_pImpl->m_aColumnInfo);
  97         aFind = m_pImpl->m_aColumnInfo.find(_rName);
  98     }
  99     if ( aFind != m_pImpl->m_aColumnInfo.end() )
 100     {
 101         bQueryInfo      = false;
 102         bAutoIncrement  = aFind->second.first.first;
 103         bIsCurrency     = aFind->second.first.second;
 104         nDataType       = aFind->second.second;
 105     } // if ( aFind != m_pImpl->m_aColumnInfo.end() )
 106
 107     sdbcx::ObjectType xRet;
 108     const ColumnDesc* pColDesc = m_pTable->getColumnDescription(_rName);
 109     if ( pColDesc )
 110     {
 111         Reference<XPropertySet> xPr = m_pTable;
 112         const Reference<XNameAccess> xPrimaryKeyColumns = getPrimaryKeyColumns_throw(xPr);
 113         sal_Int32 nField11 = pColDesc->nField11;
 114         if ( nField11 != ColumnValue::NO_NULLS && xPrimaryKeyColumns.is() && xPrimaryKeyColumns->hasByName(_rName) )
 115         {
 116             nField11 = ColumnValue::NO_NULLS;
 117         } // if ( xKeys.is() )
 118         ::dbtools::OPropertyMap& rPropMap = OMetaConnection::getPropMap();
 119         OUString aCatalog, aSchema, aTable;
 120         m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_CATALOGNAME)) >>= aCatalog;
 121         m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_SCHEMANAME))  >>= aSchema;
 122         m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_NAME))        >>= aTable;
 123         connectivity::sdbcx::OColumn* pRet = new connectivity::sdbcx::OColumn(_rName,
 124                                                 pColDesc->aField6,
 125                                                 pColDesc->sField13,
 126                                                 pColDesc->sField12,
 127                                                 nField11,
 128                                                 pColDesc->nField7,
 129                                                 pColDesc->nField9,
 130                                                 pColDesc->nField5,
 131                                                 bAutoIncrement,
 132                                                 false,
 133                                                 bIsCurrency,
 134                                                 isCaseSensitive(),
 135                                                 aCatalog,
 136                                                 aSchema,
 137                                                 aTable);
 138
 139         xRet = pRet;
 140     }
 141     else
 142     {
 143
 144         xRet.set(::dbtools::createSDBCXColumn(  m_pTable,
 145                                                 xConnection,
 146                                                 _rName,
 147                                                 isCaseSensitive(),
 148                                                 bQueryInfo,
 149                                                 bAutoIncrement,
 150                                                 bIsCurrency,
 151                                                 nDataType),UNO_QUERY);
 152     }
 153     return xRet;
 154 }
 155
 156
 157 void OColumnsHelper::impl_refresh() throw(RuntimeException)
 158 {
 159     if ( m_pTable )
 160     {
 161         m_pImpl->m_aColumnInfo.clear();
 162         m_pTable->refreshColumns();
 163     }
 164 }
 165
 166 Reference< XPropertySet > OColumnsHelper::createDescriptor()
 167 {
 168     return new OColumn(true);
 169 }
 170
 171 // XAppend
 172 sdbcx::ObjectType OColumnsHelper::appendObject( const OUString& _rForName, const Reference< XPropertySet >& descriptor )
 173 {
 174     ::osl::MutexGuard aGuard(m_rMutex);
 175     OSL_ENSURE(m_pTable,"OColumnsHelper::appendByDescriptor: Table is null!");
 176     if ( !m_pTable || m_pTable->isNew() )
 177         return cloneDescriptor( descriptor );
 178
 179     Reference<XDatabaseMetaData> xMetaData = m_pTable->getConnection()->getMetaData();
 180     OUString aSql = "ALTER TABLE " +
 181         ::dbtools::composeTableName( xMetaData, m_pTable, ::dbtools::eInTableDefinitions, false, false, true ) +
 182         " ADD " +
 183         ::dbtools::createStandardColumnPart(descriptor,m_pTable->getConnection(),NULL,m_pTable->getTypeCreatePattern());
 184
 185     Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement(  );
 186     if ( xStmt.is() )
 187     {
 188         xStmt->execute(aSql);
 189         ::comphelper::disposeComponent(xStmt);
 190     }
 191     return createObject( _rForName );
 192 }
 193
 194 // XDrop
 195 void OColumnsHelper::dropObject(sal_Int32 /*_nPos*/, const OUString& _sElementName)
 196 {
 197     OSL_ENSURE(m_pTable,"OColumnsHelper::dropByName: Table is null!");
 198     if ( m_pTable && !m_pTable->isNew() )
 199     {
 200         Reference<XDatabaseMetaData> xMetaData = m_pTable->getConnection()->getMetaData();
 201         OUString aQuote  = xMetaData->getIdentifierQuoteString(  );
 202         OUString aSql = "ALTER TABLE " +
 203             ::dbtools::composeTableName( xMetaData, m_pTable, ::dbtools::eInTableDefinitions, false, false, true ) +
 204             " DROP " +
 205             ::dbtools::quoteName( aQuote,_sElementName);
 206
 207         Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement(  );
 208         if ( xStmt.is() )
 209         {
 210             xStmt->execute(aSql);
 211             ::comphelper::disposeComponent(xStmt);
 212         }
 213     }
 214 }
 215
 216
 217
 218
 219 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */