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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include "hsqldb/HStorageMap.hxx"
#include <comphelper/types.hxx>
#include <com/sun/star/embed/XTransactionBroadcaster.hpp>
#include <com/sun/star/embed/XTransactedObject.hpp>
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include "diagnose_ex.h"
#include <osl/thread.h>
//........................................................................
namespace connectivity
{
//........................................................................
namespace hsqldb
{
//........................................................................
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::embed;
using namespace ::com::sun::star::io;
#define ThrowException(env, type, msg) { \
env->ThrowNew(env->FindClass(type), msg); }
StreamHelper::StreamHelper(const Reference< XStream>& _xStream)
: m_xStream(_xStream)
{
}
// -----------------------------------------------------------------------------
StreamHelper::~StreamHelper()
{
try
{
m_xStream.clear();
m_xSeek.clear();
if ( m_xInputStream.is() )
{
m_xInputStream->closeInput();
m_xInputStream.clear();
}
// this is done implicity by the closing of the input stream
else if ( m_xOutputStream.is() )
{
m_xOutputStream->closeOutput();
try
{
::comphelper::disposeComponent(m_xOutputStream);
}
catch(DisposedException&)
{
}
catch(const Exception& e)
{
OSL_UNUSED( e );
OSL_ENSURE(0,"Could not dispose OutputStream");
}
m_xOutputStream.clear();
}
}
catch(Exception& ex)
{
OSL_UNUSED( ex );
OSL_ENSURE(0,"Exception catched!");
}
}
// -----------------------------------------------------------------------------
Reference< XInputStream> StreamHelper::getInputStream()
{
if ( !m_xInputStream.is() )
m_xInputStream = m_xStream->getInputStream();
return m_xInputStream;
}
// -----------------------------------------------------------------------------
Reference< XOutputStream> StreamHelper::getOutputStream()
{
if ( !m_xOutputStream.is() )
m_xOutputStream = m_xStream->getOutputStream();
return m_xOutputStream;
}
// -----------------------------------------------------------------------------
Reference< XSeekable> StreamHelper::getSeek()
{
if ( !m_xSeek.is() )
m_xSeek.set(m_xStream,UNO_QUERY);
return m_xSeek;
}
// -----------------------------------------------------------------------------
TStorages& lcl_getStorageMap()
{
static TStorages s_aMap;
return s_aMap;
}
// -----------------------------------------------------------------------------
::rtl::OUString lcl_getNextCount()
{
static sal_Int32 s_nCount = 0;
return ::rtl::OUString::valueOf(s_nCount++);
}
// -----------------------------------------------------------------------------
::rtl::OUString StorageContainer::removeURLPrefix(const ::rtl::OUString& _sURL,const ::rtl::OUString& _sFileURL)
{
return _sURL.copy(_sFileURL.getLength()+1);
}
// -----------------------------------------------------------------------------
::rtl::OUString StorageContainer::removeOldURLPrefix(const ::rtl::OUString& _sURL)
{
::rtl::OUString sRet = _sURL;
#if defined(WNT)
sal_Int32 nIndex = sRet.lastIndexOf('\\');
#else
sal_Int32 nIndex = sRet.lastIndexOf('/');
#endif
if ( nIndex != -1 )
{
sRet = _sURL.copy(nIndex+1);
}
return sRet;
}
/*****************************************************************************/
/* convert jstring to rtl_uString */
::rtl::OUString StorageContainer::jstring2ustring(JNIEnv * env, jstring jstr)
{
if (JNI_FALSE != env->ExceptionCheck())
{
env->ExceptionClear();
OSL_ENSURE(0,"ExceptionClear");
}
::rtl::OUString aStr;
if ( jstr )
{
jboolean bCopy(sal_True);
const jchar* pChar = env->GetStringChars(jstr,&bCopy);
jsize len = env->GetStringLength(jstr);
aStr = ::rtl::OUString(pChar,len);
if(bCopy)
env->ReleaseStringChars(jstr,pChar);
}
if (JNI_FALSE != env->ExceptionCheck())
{
env->ExceptionClear();
OSL_ENSURE(0,"ExceptionClear");
}
return aStr;
}
// -----------------------------------------------------------------------------
::rtl::OUString StorageContainer::registerStorage(const Reference< XStorage>& _xStorage,const ::rtl::OUString& _sURL)
{
OSL_ENSURE(_xStorage.is(),"Storage is NULL!");
TStorages& rMap = lcl_getStorageMap();
// check if the storage is already in our map
TStorages::iterator aFind = ::std::find_if(rMap.begin(),rMap.end(),
::std::compose1(
::std::bind2nd(::std::equal_to<Reference<XStorage> >(),_xStorage)
,::std::compose1(::std::select1st<TStorageURLPair>(),::std::compose1(::std::select1st<TStorages::mapped_type>(),::std::select2nd<TStorages::value_type>())))
);
if ( aFind == rMap.end() )
{
aFind = rMap.insert(TStorages::value_type(lcl_getNextCount(),TStorages::mapped_type(TStorageURLPair(_xStorage,_sURL),TStreamMap()))).first;
}
return aFind->first;
}
// -----------------------------------------------------------------------------
TStorages::mapped_type StorageContainer::getRegisteredStorage(const ::rtl::OUString& _sKey)
{
TStorages::mapped_type aRet;
TStorages& rMap = lcl_getStorageMap();
TStorages::iterator aFind = rMap.find(_sKey);
OSL_ENSURE(aFind != rMap.end(),"Storage could not be found in list!");
if ( aFind != rMap.end() )
aRet = aFind->second;
return aRet;
}
// -----------------------------------------------------------------------------
::rtl::OUString StorageContainer::getRegisteredKey(const Reference< XStorage>& _xStorage)
{
::rtl::OUString sKey;
OSL_ENSURE(_xStorage.is(),"Storage is NULL!");
TStorages& rMap = lcl_getStorageMap();
// check if the storage is already in our map
TStorages::iterator aFind = ::std::find_if(rMap.begin(),rMap.end(),
::std::compose1(
::std::bind2nd(::std::equal_to<Reference<XStorage> >(),_xStorage)
,::std::compose1(::std::select1st<TStorageURLPair>(),::std::compose1(::std::select1st<TStorages::mapped_type>(),::std::select2nd<TStorages::value_type>())))
);
if ( aFind != rMap.end() )
sKey = aFind->first;
return sKey;
}
// -----------------------------------------------------------------------------
void StorageContainer::revokeStorage(const ::rtl::OUString& _sKey,const Reference<XTransactionListener>& _xListener)
{
TStorages& rMap = lcl_getStorageMap();
TStorages::iterator aFind = rMap.find(_sKey);
if ( aFind != rMap.end() )
{
try
{
if ( _xListener.is() )
{
Reference<XTransactionBroadcaster> xBroad(aFind->second.first.first,UNO_QUERY);
if ( xBroad.is() )
xBroad->removeTransactionListener(_xListener);
Reference<XTransactedObject> xTrans(aFind->second.first.first,UNO_QUERY);
if ( xTrans.is() )
xTrans->commit();
}
}
catch(Exception&)
{
}
rMap.erase(aFind);
}
}
// -----------------------------------------------------------------------------
TStreamMap::mapped_type StorageContainer::registerStream(JNIEnv * env,jstring name, jstring key,sal_Int32 _nMode)
{
TStreamMap::mapped_type pHelper;
TStorages& rMap = lcl_getStorageMap();
::rtl::OUString sKey = jstring2ustring(env,key);
TStorages::iterator aFind = rMap.find(sKey);
OSL_ENSURE(aFind != rMap.end(),"Storage could not be found in list!");
if ( aFind != rMap.end() )
{
TStorages::mapped_type aStoragePair = StorageContainer::getRegisteredStorage(sKey);
OSL_ENSURE(aStoragePair.first.first.is(),"No Storage available!");
if ( aStoragePair.first.first.is() )
{
::rtl::OUString sOrgName = StorageContainer::jstring2ustring(env,name);
::rtl::OUString sName = removeURLPrefix(sOrgName,aStoragePair.first.second);
TStreamMap::iterator aStreamFind = aFind->second.second.find(sName);
OSL_ENSURE( aStreamFind == aFind->second.second.end(),"A Stream was already registered for this object!");
if ( aStreamFind != aFind->second.second.end() )
{
pHelper = aStreamFind->second;
}
else
{
try
{
try
{
pHelper.reset(new StreamHelper(aStoragePair.first.first->openStreamElement(sName,_nMode)));
}
catch(Exception& )
{
::rtl::OUString sStrippedName = removeOldURLPrefix(sOrgName);
if ( ((_nMode & ElementModes::WRITE) != ElementModes::WRITE ) )
{
sal_Bool bIsStream = sal_True;
try
{
bIsStream = aStoragePair.first.first->isStreamElement(sStrippedName);
}
catch(Exception& )
{
bIsStream = sal_False;
}
if ( !bIsStream )
return pHelper; // readonly file without data stream
}
pHelper.reset( new StreamHelper(aStoragePair.first.first->openStreamElement( sStrippedName, _nMode ) ) );
}
aFind->second.second.insert(TStreamMap::value_type(sName,pHelper));
}
catch(Exception& e)
{
#if OSL_DEBUG_LEVEL > 0
::rtl::OString sMessage( "[HSQLDB-SDBC] caught an exception while opening a stream\n" );
sMessage += "Name: ";
sMessage += ::rtl::OString( sName.getStr(), sName.getLength(), osl_getThreadTextEncoding() );
sMessage += "\nMode: 0x";
if ( _nMode < 16 )
sMessage += "0";
sMessage += ::rtl::OString::valueOf( _nMode, 16 ).toAsciiUpperCase();
OSL_ENSURE( false, sMessage.getStr() );
#endif
StorageContainer::throwJavaException(e,env);
}
}
}
}
return pHelper;
}
// -----------------------------------------------------------------------------
void StorageContainer::revokeStream( JNIEnv * env,jstring name, jstring key)
{
TStorages& rMap = lcl_getStorageMap();
TStorages::iterator aFind = rMap.find(jstring2ustring(env,key));
OSL_ENSURE(aFind != rMap.end(),"Storage could not be found in list!");
if ( aFind != rMap.end() )
aFind->second.second.erase(removeURLPrefix(jstring2ustring(env,name),aFind->second.first.second));
}
// -----------------------------------------------------------------------------
TStreamMap::mapped_type StorageContainer::getRegisteredStream( JNIEnv * env,jstring name, jstring key)
{
TStreamMap::mapped_type pRet;
TStorages& rMap = lcl_getStorageMap();
TStorages::iterator aFind = rMap.find(jstring2ustring(env,key));
OSL_ENSURE(aFind != rMap.end(),"Storage could not be found in list!");
if ( aFind != rMap.end() )
{
TStreamMap::iterator aStreamFind = aFind->second.second.find(removeURLPrefix(jstring2ustring(env,name),aFind->second.first.second));
if ( aStreamFind != aFind->second.second.end() )
pRet = aStreamFind->second;
}
return pRet;
}
// -----------------------------------------------------------------------------
void StorageContainer::throwJavaException(const Exception& _aException,JNIEnv * env)
{
if (JNI_FALSE != env->ExceptionCheck())
env->ExceptionClear();
::rtl::OString cstr( ::rtl::OUStringToOString(_aException.Message, RTL_TEXTENCODING_JAVA_UTF8 ) );
OSL_TRACE( __FILE__": forwarding Exception: %s", cstr.getStr() );
env->ThrowNew(env->FindClass("java/io/IOException"), cstr.getStr());
}
//........................................................................
} // namespace hsqldb
//........................................................................
//........................................................................
}
// namespace connectivity
//........................................................................