connectivity/source/drivers/hsqldb/HConnection.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.
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   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
  21 #include <hsqldb/HConnection.hxx>
  22 #include <hsqldb/HTools.hxx>
  23 #include <bitmaps.hlst>
  24
  25 #include <connectivity/dbtools.hxx>
  26
  27 #include <com/sun/star/container/XNameAccess.hpp>
  28 #include <com/sun/star/sdbcx/XDataDefinitionSupplier.hpp>
  29 #include <com/sun/star/sdbc/XRow.hpp>
  30 #include <com/sun/star/graphic/GraphicProvider.hpp>
  31 #include <com/sun/star/graphic/XGraphicProvider.hpp>
  32 #include <com/sun/star/graphic/GraphicColorMode.hpp>
  33 #include <com/sun/star/beans/PropertyValue.hpp>
  34 #include <com/sun/star/sdbc/XDatabaseMetaData2.hpp>
  35
  36 #include <cppuhelper/exc_hlp.hxx>
  37 #include <rtl/ustrbuf.hxx>
  38 #include <sal/log.hxx>
  39 #include <tools/diagnose_ex.h>
  40
  41 #include <resource/sharedresources.hxx>
  42 #include <strings.hrc>
  43
  44 using ::com::sun::star::util::XFlushListener;
  45 using ::com::sun::star::lang::EventObject;
  46 using ::com::sun::star::uno::Reference;
  47 using ::com::sun::star::uno::Exception;
  48 using ::com::sun::star::uno::RuntimeException;
  49 using ::com::sun::star::uno::UNO_QUERY;
  50 using ::com::sun::star::uno::UNO_QUERY_THROW;
  51 using ::com::sun::star::uno::XComponentContext;
  52 using ::com::sun::star::sdbc::XStatement;
  53 using ::com::sun::star::sdbc::XConnection;
  54 using ::com::sun::star::sdbcx::XDataDefinitionSupplier;
  55 using ::com::sun::star::sdbcx::XTablesSupplier;
  56 using ::com::sun::star::container::XNameAccess;
  57 using ::com::sun::star::uno::Sequence;
  58 using ::com::sun::star::lang::WrappedTargetException;
  59 using ::com::sun::star::sdbc::XDriver;
  60 using ::com::sun::star::graphic::XGraphic;
  61 using ::com::sun::star::graphic::GraphicProvider;
  62 using ::com::sun::star::graphic::XGraphicProvider;
  63 using ::com::sun::star::uno::XInterface;
  64 using ::com::sun::star::lang::IllegalArgumentException;
  65 using ::com::sun::star::sdbc::XResultSet;
  66 using ::com::sun::star::sdbc::XDatabaseMetaData;
  67 using ::com::sun::star::sdbc::XDatabaseMetaData2;
  68 using ::com::sun::star::sdbc::XRow;
  69 using ::com::sun::star::sdb::application::XDatabaseDocumentUI;
  70 using ::com::sun::star::beans::PropertyValue;
  71
  72
  73 namespace connectivity { namespace hsqldb
  74 {
  75     void SAL_CALL OHsqlConnection::disposing()
  76     {
  77         m_aFlushListeners.disposeAndClear( EventObject( *this ) );
  78         OHsqlConnection_BASE::disposing();
  79         OConnectionWrapper::disposing();
  80     }
  81
  82     OHsqlConnection::OHsqlConnection( const Reference< XDriver >& _rxDriver,
  83         const Reference< XConnection >& _xConnection ,const Reference< XComponentContext >& _rxContext )
  84         :OHsqlConnection_BASE( m_aMutex )
  85         ,m_aFlushListeners( m_aMutex )
  86         ,m_xDriver( _rxDriver )
  87         ,m_xContext( _rxContext )
  88         ,m_bIni(true)
  89         ,m_bReadOnly(false)
  90     {
  91         setDelegation(_xConnection,_rxContext,m_refCount);
  92     }
  93
  94     OHsqlConnection::~OHsqlConnection()
  95     {
  96         if ( !OHsqlConnection_BASE::rBHelper.bDisposed )
  97         {
  98             osl_atomic_increment( &m_refCount );
  99             dispose();
 100         }
 101     }
 102
 103     IMPLEMENT_FORWARD_XINTERFACE2(OHsqlConnection,OHsqlConnection_BASE,OConnectionWrapper)
 104     IMPLEMENT_SERVICE_INFO(OHsqlConnection, "com.sun.star.sdbc.drivers.hsqldb.OHsqlConnection", "com.sun.star.sdbc.Connection")
 105     IMPLEMENT_FORWARD_XTYPEPROVIDER2(OHsqlConnection,OHsqlConnection_BASE,OConnectionWrapper)
 106
 107
 108     ::osl::Mutex& OHsqlConnection::getMutex() const
 109     {
 110         return m_aMutex;
 111     }
 112
 113
 114     void OHsqlConnection::checkDisposed() const
 115     {
 116         ::connectivity::checkDisposed( rBHelper.bDisposed );
 117     }
 118
 119     // XFlushable
 120
 121     void SAL_CALL OHsqlConnection::flush(  )
 122     {
 123         MethodGuard aGuard( *this );
 124
 125         try
 126         {
 127             if ( m_xConnection.is() )
 128             {
 129                 if ( m_bIni )
 130                 {
 131                     m_bIni = false;
 132                     Reference< XDatabaseMetaData2 > xMeta2(m_xConnection->getMetaData(),UNO_QUERY_THROW);
 133                     const Sequence< PropertyValue > aInfo = xMeta2->getConnectionInfo();
 134                     const PropertyValue* pIter = aInfo.getConstArray();
 135                     const PropertyValue* pEnd  = pIter + aInfo.getLength();
 136                     for(;pIter != pEnd;++pIter)
 137                     {
 138                         if ( pIter->Name == "readonly" )
 139                             m_bReadOnly = true;
 140                     }
 141                 }
 142                 try
 143                 {
 144                     if ( !m_bReadOnly )
 145                     {
 146                         Reference< XStatement > xStmt( m_xConnection->createStatement(), css::uno::UNO_SET_THROW );
 147                         xStmt->execute( "CHECKPOINT DEFRAG" );
 148                     }
 149                 }
 150                 catch(const Exception& )
 151                 {
 152                     DBG_UNHANDLED_EXCEPTION("connectivity.hsqldb");
 153                 }
 154             }
 155
 156             EventObject aFlushedEvent( *this );
 157             m_aFlushListeners.notifyEach( &XFlushListener::flushed, aFlushedEvent );
 158         }
 159         catch(const Exception& )
 160         {
 161             DBG_UNHANDLED_EXCEPTION("connectivity.hsqldb");
 162         }
 163    }
 164
 165
 166     void SAL_CALL OHsqlConnection::addFlushListener( const Reference< XFlushListener >& l )
 167     {
 168         MethodGuard aGuard( *this );
 169         m_aFlushListeners.addInterface( l );
 170     }
 171
 172
 173     void SAL_CALL OHsqlConnection::removeFlushListener( const Reference< XFlushListener >& l )
 174     {
 175         MethodGuard aGuard( *this );
 176         m_aFlushListeners.removeInterface( l );
 177     }
 178
 179
 180     Reference< XGraphic > SAL_CALL OHsqlConnection::getTableIcon( const OUString& TableName, ::sal_Int32 /*_ColorMode*/ )
 181     {
 182         MethodGuard aGuard( *this );
 183
 184         impl_checkExistingTable_throw( TableName );
 185         if ( !impl_isTextTable_nothrow( TableName ) )
 186             return nullptr;
 187
 188         return impl_getTextTableIcon_nothrow();
 189     }
 190
 191
 192     Reference< XInterface > SAL_CALL OHsqlConnection::getTableEditor( const Reference< XDatabaseDocumentUI >& DocumentUI, const OUString& TableName )
 193     {
 194         MethodGuard aGuard( *this );
 195
 196         impl_checkExistingTable_throw( TableName );
 197         if ( !impl_isTextTable_nothrow( TableName ) )
 198             return nullptr;
 199
 200         if ( !DocumentUI.is() )
 201         {
 202             ::connectivity::SharedResources aResources;
 203             const OUString sError( aResources.getResourceString(STR_NO_DOCUMENTUI));
 204             throw IllegalArgumentException(
 205                 sError,
 206                 *this,
 207                 0
 208             );
 209         } // if ( !_DocumentUI.is() )
 210
 211
 212 //        Reference< XExecutableDialog > xEditor = impl_createLinkedTableEditor_throw( _DocumentUI, _TableName );
 213 //        return xEditor.get();
 214         return nullptr;
 215         // editor not yet implemented in this CWS
 216     }
 217
 218
 219     Reference< XNameAccess > OHsqlConnection::impl_getTableContainer_throw()
 220     {
 221         Reference< XNameAccess > xTables;
 222         try
 223         {
 224             Reference< XConnection > xMe( *this, UNO_QUERY );
 225             Reference< XDataDefinitionSupplier > xDefinitionsSupp( m_xDriver, UNO_QUERY_THROW );
 226             Reference< XTablesSupplier > xTablesSupp( xDefinitionsSupp->getDataDefinitionByConnection( xMe ), css::uno::UNO_SET_THROW );
 227             xTables.set( xTablesSupp->getTables(), css::uno::UNO_SET_THROW );
 228         }
 229         catch( const RuntimeException& ) { throw; }
 230         catch( const Exception& )
 231         {
 232             css::uno::Any anyEx = cppu::getCaughtException();
 233             ::connectivity::SharedResources aResources;
 234             const OUString sError( aResources.getResourceString(STR_NO_TABLE_CONTAINER));
 235             throw WrappedTargetException( sError ,*this, anyEx );
 236         }
 237
 238         SAL_WARN_IF( !xTables.is(), "connectivity.hsqldb", "OHsqlConnection::impl_getTableContainer_throw: post condition not met!" );
 239         return xTables;
 240     }
 241
 242     //TODO: resource
 243
 244     void OHsqlConnection::impl_checkExistingTable_throw( const OUString& _rTableName )
 245     {
 246         bool bDoesExist = false;
 247         try
 248         {
 249             Reference< XNameAccess > xTables( impl_getTableContainer_throw(), css::uno::UNO_SET_THROW );
 250             bDoesExist = xTables->hasByName( _rTableName );
 251         }
 252         catch( const Exception& )
 253         {
 254             // that's a serious error in impl_getTableContainer_throw, or hasByName, however, we're only
 255             // allowed to throw an IllegalArgumentException ourself
 256             DBG_UNHANDLED_EXCEPTION("connectivity.hsqldb");
 257         }
 258
 259         if ( !bDoesExist )
 260         {
 261             ::connectivity::SharedResources aResources;
 262             const OUString sError( aResources.getResourceStringWithSubstitution(
 263                 STR_NO_TABLENAME,
 264                 "$tablename$", _rTableName
 265             ));
 266             throw IllegalArgumentException( sError,*this, 0 );
 267         } // if ( !bDoesExist )
 268     }
 269
 270
 271     bool OHsqlConnection::impl_isTextTable_nothrow( const OUString& _rTableName )
 272     {
 273         bool bIsTextTable = false;
 274         try
 275         {
 276             Reference< XConnection > xMe( *this, UNO_QUERY_THROW );
 277
 278             // split the fully qualified name
 279             Reference< XDatabaseMetaData > xMetaData( xMe->getMetaData(), css::uno::UNO_SET_THROW );
 280             OUString sCatalog, sSchema, sName;
 281             ::dbtools::qualifiedNameComponents( xMetaData, _rTableName, sCatalog, sSchema, sName, ::dbtools::EComposeRule::Complete );
 282
 283             // get the table information
 284             OUStringBuffer sSQL;
 285             sSQL.append( "SELECT HSQLDB_TYPE FROM INFORMATION_SCHEMA.SYSTEM_TABLES" );
 286             HTools::appendTableFilterCrit( sSQL, sCatalog, sSchema, sName, true );
 287             sSQL.append( " AND TABLE_TYPE = 'TABLE'" );
 288
 289             Reference< XStatement > xStatement( xMe->createStatement(), css::uno::UNO_SET_THROW );
 290             Reference< XResultSet > xTableHsqlType( xStatement->executeQuery( sSQL.makeStringAndClear() ), css::uno::UNO_SET_THROW );
 291
 292             if ( xTableHsqlType->next() )   // might not succeed in case of VIEWs
 293             {
 294                 Reference< XRow > xValueAccess( xTableHsqlType, UNO_QUERY_THROW );
 295                 OUString sTableType = xValueAccess->getString( 1 );
 296                 bIsTextTable = sTableType == "TEXT";
 297             }
 298         }
 299         catch( const Exception& )
 300         {
 301             DBG_UNHANDLED_EXCEPTION("connectivity.hsqldb");
 302         }
 303
 304         return bIsTextTable;
 305     }
 306
 307
 308     Reference< XGraphic > OHsqlConnection::impl_getTextTableIcon_nothrow()
 309     {
 310         Reference< XGraphic > xGraphic;
 311         try
 312         {
 313             // create a graphic provider
 314             Reference< XGraphicProvider > xProvider;
 315             if ( m_xContext.is() )
 316                 xProvider.set( GraphicProvider::create(m_xContext) );
 317
 318             // assemble the image URL
 319             OUStringBuffer aImageURL;
 320             // load the graphic from the global graphic repository
 321             aImageURL.append( "private:graphicrepository/" );
 322             // the relative path within the images.zip
 323             aImageURL.append( LINKED_TEXT_TABLE_IMAGE_RESOURCE );
 324             // the name of the graphic to use
 325             OUString sImageURL( aImageURL.makeStringAndClear() );
 326
 327             // ask the provider to obtain a graphic
 328             Sequence< PropertyValue > aMediaProperties( 1 );
 329             aMediaProperties[0].Name = "URL";
 330             aMediaProperties[0].Value <<= sImageURL;
 331             xGraphic = xProvider->queryGraphic( aMediaProperties );
 332             OSL_ENSURE( xGraphic.is(), "OHsqlConnection::impl_getTextTableIcon_nothrow: the provider did not give us a graphic object!" );
 333         }
 334         catch( const Exception& )
 335         {
 336             DBG_UNHANDLED_EXCEPTION("connectivity.hsqldb");
 337         }
 338         return xGraphic;
 339     }
 340
 341 } } // namespace connectivity::hsqldb
 342
 343 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */