312 lines
13 KiB
C++
312 lines
13 KiB
C++
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/*************************************************************************
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*
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* $RCSfile: HStorageMap.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: hr $ $Date: 2004-11-09 12:08:49 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the License); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an AS IS basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): Ocke Janssen
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*
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*
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************************************************************************/
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#include "hsqldb/HStorageMap.hxx"
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#ifndef _COMPHELPER_TYPES_HXX_
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#include <comphelper/types.hxx>
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#endif
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//........................................................................
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namespace connectivity
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{
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//........................................................................
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namespace hsqldb
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{
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//........................................................................
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::embed;
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using namespace ::com::sun::star::io;
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#define ThrowException(env, type, msg) { \
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env->ThrowNew(env->FindClass(type), msg); }
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StreamHelper::StreamHelper(const Reference< XStream>& _xStream)
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: m_xStream(_xStream)
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{
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}
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// -----------------------------------------------------------------------------
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StreamHelper::~StreamHelper()
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{
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try
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{
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if ( m_xInputStream.is() )
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{
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m_xInputStream->closeInput();
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try
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{
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::comphelper::disposeComponent(m_xOutputStream);
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}
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catch(Exception)
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{}
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m_xInputStream = NULL;
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}
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if ( m_xOutputStream.is() )
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{
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m_xOutputStream->closeOutput();
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try
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{
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::comphelper::disposeComponent(m_xOutputStream);
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}
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catch(Exception)
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{}
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m_xOutputStream = NULL;
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}
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m_xStream = NULL;
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m_xSeek = NULL;
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}
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catch(Exception& )
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{
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OSL_ENSURE(0,"Exception catched!");
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}
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}
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// -----------------------------------------------------------------------------
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Reference< XInputStream> StreamHelper::getInputStream()
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{
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if ( !m_xInputStream.is() )
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m_xInputStream = m_xStream->getInputStream();
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return m_xInputStream;
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}
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// -----------------------------------------------------------------------------
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Reference< XOutputStream> StreamHelper::getOutputStream()
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{
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if ( !m_xOutputStream.is() )
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m_xOutputStream = m_xStream->getOutputStream();
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return m_xOutputStream;
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}
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// -----------------------------------------------------------------------------
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Reference< XStream> StreamHelper::getStream()
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{
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return m_xStream;
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}
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// -----------------------------------------------------------------------------
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Reference< XSeekable> StreamHelper::getSeek()
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{
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if ( !m_xSeek.is() )
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m_xSeek.set(m_xStream,UNO_QUERY);
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return m_xSeek;
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}
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// -----------------------------------------------------------------------------
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TStorages& lcl_getStorageMap()
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{
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static TStorages s_aMap;
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return s_aMap;
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}
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// -----------------------------------------------------------------------------
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::rtl::OUString lcl_getNextCount()
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{
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static sal_Int32 s_nCount = 0;
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return ::rtl::OUString::valueOf(s_nCount++);
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}
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// -----------------------------------------------------------------------------
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::rtl::OUString StorageContainer::removeURLPrefix(const ::rtl::OUString& _sURL)
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{
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::rtl::OUString sRet = _sURL;
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#if defined(WIN) || defined(WNT)
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sal_Int32 nIndex = sRet.lastIndexOf('\\');
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#else
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sal_Int32 nIndex = sRet.lastIndexOf('/');
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#endif
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if ( nIndex != -1 )
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{
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sRet = _sURL.copy(nIndex+1);
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}
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return sRet;
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}
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/*****************************************************************************/
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/* convert jstring to rtl_uString */
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::rtl::OUString StorageContainer::jstring2ustring(JNIEnv * env, jstring jstr)
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{
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const char * cstr;
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rtl_uString * ustr = NULL;
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cstr = env->GetStringUTFChars(jstr, NULL);
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if (JNI_FALSE != env->ExceptionCheck())
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{
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env->ExceptionClear();
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OSL_ENSURE(0,"ExceptionClear");
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}
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rtl_uString_newFromAscii(&ustr, cstr);
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env->ReleaseStringUTFChars(jstr, cstr);
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if (JNI_FALSE != env->ExceptionCheck())
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{
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env->ExceptionClear();
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OSL_ENSURE(0,"ExceptionClear");
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}
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return ustr ? ::rtl::OUString(ustr,SAL_NO_ACQUIRE) : ::rtl::OUString();
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}
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// -----------------------------------------------------------------------------
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::rtl::OUString StorageContainer::registerStorage(const Reference< XStorage>& _xStorage,const ::rtl::OUString& _sURL)
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{
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OSL_ENSURE(_xStorage.is(),"Storage is NULL!");
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TStorages& rMap = lcl_getStorageMap();
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// check if the storage is already in our map
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TStorages::iterator aFind = ::std::find_if(rMap.begin(),rMap.end(),
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::std::compose1(
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::std::bind2nd(::std::equal_to<Reference<XStorage> >(),_xStorage)
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,::std::compose1(::std::select1st<TStorages::mapped_type>(),::std::select2nd<TStorages::value_type>()))
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);
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if ( aFind == rMap.end() )
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{
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aFind = rMap.insert(TStorages::value_type(lcl_getNextCount(),TStorages::mapped_type(_xStorage,TStreamMap()))).first;
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}
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return aFind->first;
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}
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// -----------------------------------------------------------------------------
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Reference< XStorage> StorageContainer::getRegisteredStorage(const ::rtl::OUString& _sKey)
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{
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Reference< XStorage> xReturn;
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TStorages& rMap = lcl_getStorageMap();
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TStorages::iterator aFind = rMap.find(_sKey);
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OSL_ENSURE(aFind != rMap.end(),"Storage could not be found in list!");
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if ( aFind != rMap.end() )
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xReturn = aFind->second.first;
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return xReturn;
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}
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// -----------------------------------------------------------------------------
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void StorageContainer::revokeStorage(const ::rtl::OUString& _sKey)
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{
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TStorages& rMap = lcl_getStorageMap();
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rMap.erase(_sKey);
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}
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// -----------------------------------------------------------------------------
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TStreamMap::mapped_type StorageContainer::registerStream(JNIEnv * env,jstring name, jstring key,sal_Int32 _nMode)
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{
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TStreamMap::mapped_type pHelper;
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TStorages& rMap = lcl_getStorageMap();
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::rtl::OUString sKey = jstring2ustring(env,key);
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TStorages::iterator aFind = rMap.find(sKey);
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OSL_ENSURE(aFind != rMap.end(),"Storage could not be found in list!");
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if ( aFind != rMap.end() )
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{
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Reference< XStorage> xStorage = StorageContainer::getRegisteredStorage(sKey);
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OSL_ENSURE(xStorage.is(),"No Storage available!");
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if ( xStorage.is() )
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{
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::rtl::OUString sName = removeURLPrefix(jstring2ustring(env,name));
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TStreamMap::iterator aStreamFind = aFind->second.second.find(sName);
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OSL_ENSURE( aStreamFind == aFind->second.second.end(),"A Stream was already registered for this object!");
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if ( aStreamFind != aFind->second.second.end() )
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{
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pHelper = aStreamFind->second;
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}
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else
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{
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try
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{
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pHelper.reset(new StreamHelper(xStorage->openStreamElement(sName,_nMode)));
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aFind->second.second.insert(TStreamMap::value_type(sName,pHelper));
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}
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catch(Exception& e)
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{
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OSL_ENSURE(0,"Exception catched!");
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if (JNI_FALSE != env->ExceptionCheck())
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env->ExceptionClear();
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::rtl::OString cstr( ::rtl::OUStringToOString(e.Message, RTL_TEXTENCODING_JAVA_UTF8 ) );
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OSL_TRACE( __FILE__": forwarding Exception: %s", cstr.getStr() );
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ThrowException( env,
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"java/io/IOException",
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cstr.getStr());
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}
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}
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}
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}
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return pHelper;
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}
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// -----------------------------------------------------------------------------
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void StorageContainer::revokeStream( JNIEnv * env,jstring name, jstring key)
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{
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TStorages& rMap = lcl_getStorageMap();
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TStorages::iterator aFind = rMap.find(jstring2ustring(env,key));
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OSL_ENSURE(aFind != rMap.end(),"Storage could not be found in list!");
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if ( aFind != rMap.end() )
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aFind->second.second.erase(removeURLPrefix(jstring2ustring(env,name)));
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}
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// -----------------------------------------------------------------------------
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TStreamMap::mapped_type StorageContainer::getRegisteredStream( JNIEnv * env,jstring name, jstring key)
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{
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TStreamMap::mapped_type pRet;
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TStorages& rMap = lcl_getStorageMap();
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TStorages::iterator aFind = rMap.find(jstring2ustring(env,key));
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OSL_ENSURE(aFind != rMap.end(),"Storage could not be found in list!");
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if ( aFind != rMap.end() )
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{
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TStreamMap::iterator aStreamFind = aFind->second.second.find(removeURLPrefix(jstring2ustring(env,name)));
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if ( aStreamFind != aFind->second.second.end() )
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pRet = aStreamFind->second;
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}
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return pRet;
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}
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// -----------------------------------------------------------------------------
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//........................................................................
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} // namespace hsqldb
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//........................................................................
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//........................................................................
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}
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// namespace connectivity
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//........................................................................
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