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
  23 namespace connectivity
  24 {
  25     using namespace ::com::sun::star::uno;
  26     using namespace ::com::sun::star::sdbc;
  27     using namespace ::com::sun::star::lang;
  28     using namespace ::com::sun::star;
  29
  30     ParameterSubstitution::ParameterSubstitution(const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext ) : m_xContext(_rxContext)
  31     {
  32     }
  33     void SAL_CALL ParameterSubstitution::initialize( const uno::Sequence< uno::Any >& _aArguments ) throw (uno::Exception, uno::RuntimeException)
  34     {
  35         ::osl::MutexGuard aGuard(m_aMutex);
  36         comphelper::SequenceAsHashMap aArgs(_aArguments);
  37         uno::Reference< sdbc::XConnection > xConnection;
  38         xConnection = aArgs.getUnpackedValueOrDefault(OUString("ActiveConnection"),xConnection);
  39         m_xConnection = xConnection;
  40     }
  41     //------------------------------------------------------------------------------
  42     OUString ParameterSubstitution::getImplementationName_Static(  ) throw(RuntimeException)
  43     {
  44         return OUString("org.openoffice.comp.helper.ParameterSubstitution");
  45     }
  46     //------------------------------------------------------------------------------
  47     OUString SAL_CALL ParameterSubstitution::getImplementationName(  ) throw(RuntimeException)
  48     {
  49         return getImplementationName_Static();
  50     }
  51     //------------------------------------------------------------------
  52     sal_Bool SAL_CALL ParameterSubstitution::supportsService( const OUString& _rServiceName ) throw(RuntimeException)
  53     {
  54         Sequence< OUString > aSupported(getSupportedServiceNames());
  55         const OUString* pSupported = aSupported.getConstArray();
  56         const OUString* pEnd = pSupported + aSupported.getLength();
  57         for (;pSupported != pEnd && !pSupported->equals(_rServiceName); ++pSupported)
  58             ;
  59
  60         return pSupported != pEnd;
  61     }
  62     //------------------------------------------------------------------
  63     Sequence< OUString > SAL_CALL ParameterSubstitution::getSupportedServiceNames(  ) throw(RuntimeException)
  64     {
  65         return getSupportedServiceNames_Static();
  66     }
  67     //------------------------------------------------------------------
  68     Sequence< OUString > ParameterSubstitution::getSupportedServiceNames_Static(  ) throw (RuntimeException)
  69     {
  70         Sequence< OUString > aSNS( 1 );
  71         aSNS[0] = "com.sun.star.sdb.ParameterSubstitution";
  72         return aSNS;
  73     }
  74
  75     //------------------------------------------------------------------
  76     Reference< XInterface >  ParameterSubstitution::create(const Reference< XComponentContext >& _xContext)
  77     {
  78         return *(new ParameterSubstitution(_xContext));
  79     }
  80     //------------------------------------------------------------------
  81     OUString SAL_CALL ParameterSubstitution::substituteVariables( const OUString& _sText, ::sal_Bool /*bSubstRequired*/ ) throw (::com::sun::star::container::NoSuchElementException, ::com::sun::star::uno::RuntimeException)
  82     {
  83         OUString sRet = _sText;
  84         uno::Reference< sdbc::XConnection > xConnection = m_xConnection;
  85         if ( xConnection.is() )
  86         {
  87             try
  88             {
  89                 OSQLParser aParser( m_xContext );
  90                 OUString sErrorMessage;
  91                 OUString sNewSql;
  92                 OSQLParseNode* pNode = aParser.parseTree(sErrorMessage,_sText);
  93                 if(pNode)
  94                 {   // special handling for parameters
  95                     OSQLParseNode::substituteParameterNames(pNode);
  96                     pNode->parseNodeToStr( sNewSql, xConnection );
  97                     delete pNode;
  98                     sRet = sNewSql;
  99                 }
 100             }
 101             catch(const Exception&)
 102             {
 103             }
 104         }
 105         return sRet;
 106     }
 107     //------------------------------------------------------------------
 108     OUString SAL_CALL ParameterSubstitution::reSubstituteVariables( const OUString& _sText ) throw (::com::sun::star::uno::RuntimeException)
 109     {
 110         return _sText;
 111     }
 112     //------------------------------------------------------------------
 113     OUString SAL_CALL ParameterSubstitution::getSubstituteVariableValue( const OUString& /*variable*/ ) throw (::com::sun::star::container::NoSuchElementException, ::com::sun::star::uno::RuntimeException)
 114     {
 115         throw container::NoSuchElementException();
 116     }
 117     //------------------------------------------------------------------
 118
 119
 120 // ==================================
 121 } // connectivity
 122 // ==================================
 123
 124 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */