connectivity/source/commontools/ParamterSubstitution.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 #include "ParameterSubstitution.hxx"
  20 #include <connectivity/sqlparse.hxx>
  21 #include <comphelper/sequenceashashmap.hxx>
  22 #include <cppuhelper/supportsservice.hxx>
  23
  24 namespace connectivity
  25 {
  26     using namespace ::com::sun::star::uno;
  27     using namespace ::com::sun::star::sdbc;
  28     using namespace ::com::sun::star::lang;
  29     using namespace ::com::sun::star;
  30
  31     ParameterSubstitution::ParameterSubstitution(const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext ) : m_xContext(_rxContext)
  32     {
  33     }
  34     void SAL_CALL ParameterSubstitution::initialize( const uno::Sequence< uno::Any >& _aArguments ) throw (uno::Exception, uno::RuntimeException, std::exception)
  35     {
  36         ::osl::MutexGuard aGuard(m_aMutex);
  37         comphelper::SequenceAsHashMap aArgs(_aArguments);
  38         uno::Reference< sdbc::XConnection > xConnection;
  39         xConnection = aArgs.getUnpackedValueOrDefault("ActiveConnection",xConnection);
  40         m_xConnection = xConnection;
  41     }
  42
  43     OUString ParameterSubstitution::getImplementationName_Static(  ) throw(RuntimeException)
  44     {
  45         return OUString("org.openoffice.comp.helper.ParameterSubstitution");
  46     }
  47
  48     OUString SAL_CALL ParameterSubstitution::getImplementationName(  ) throw(RuntimeException, std::exception)
  49     {
  50         return getImplementationName_Static();
  51     }
  52
  53     sal_Bool SAL_CALL ParameterSubstitution::supportsService( const OUString& _rServiceName ) throw(RuntimeException, std::exception)
  54     {
  55         return cppu::supportsService(this, _rServiceName);
  56     }
  57
  58     Sequence< OUString > SAL_CALL ParameterSubstitution::getSupportedServiceNames(  ) throw(RuntimeException, std::exception)
  59     {
  60         return getSupportedServiceNames_Static();
  61     }
  62
  63     Sequence< OUString > ParameterSubstitution::getSupportedServiceNames_Static(  ) throw (RuntimeException)
  64     {
  65         Sequence< OUString > aSNS( 1 );
  66         aSNS[0] = "com.sun.star.sdb.ParameterSubstitution";
  67         return aSNS;
  68     }
  69
  70
  71     Reference< XInterface >  ParameterSubstitution::create(const Reference< XComponentContext >& _xContext)
  72     {
  73         return *(new ParameterSubstitution(_xContext));
  74     }
  75
  76     OUString SAL_CALL ParameterSubstitution::substituteVariables( const OUString& _sText, sal_Bool /*bSubstRequired*/ ) throw (::com::sun::star::container::NoSuchElementException, ::com::sun::star::uno::RuntimeException, std::exception)
  77     {
  78         OUString sRet = _sText;
  79         uno::Reference< sdbc::XConnection > xConnection = m_xConnection;
  80         if ( xConnection.is() )
  81         {
  82             try
  83             {
  84                 OSQLParser aParser( m_xContext );
  85                 OUString sErrorMessage;
  86                 OUString sNewSql;
  87                 OSQLParseNode* pNode = aParser.parseTree(sErrorMessage,_sText);
  88                 if(pNode)
  89                 {   // special handling for parameters
  90                     OSQLParseNode::substituteParameterNames(pNode);
  91                     pNode->parseNodeToStr( sNewSql, xConnection );
  92                     delete pNode;
  93                     sRet = sNewSql;
  94                 }
  95             }
  96             catch(const Exception&)
  97             {
  98             }
  99         }
 100         return sRet;
 101     }
 102
 103     OUString SAL_CALL ParameterSubstitution::reSubstituteVariables( const OUString& _sText ) throw (::com::sun::star::uno::RuntimeException, std::exception)
 104     {
 105         return _sText;
 106     }
 107
 108     OUString SAL_CALL ParameterSubstitution::getSubstituteVariableValue( const OUString& /*variable*/ ) throw (::com::sun::star::container::NoSuchElementException, ::com::sun::star::uno::RuntimeException, std::exception)
 109     {
 110         throw container::NoSuchElementException();
 111     }
 112
 113
 114
 115
 116 } // connectivity
 117
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */