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libreoffice/dbaccess/source/core/dataaccess/databasecontext.cxx

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initial import
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/*************************************************************************
*
* $RCSfile: databasecontext.cxx,v $
*
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* $Revision: 1.2 $
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*
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* last change: $Author: fs $ $Date: 2000-10-11 11:19:39 $
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*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _DBA_COREDATAACCESS_DATABASECONTEXT_HXX_
#include "databasecontext.hxx"
#endif
#ifndef _DBA_COREDATAACCESS_DATASOURCE_HXX_
#include "datasource.hxx"
#endif
#ifndef _DBA_CORE_RESOURCE_HRC_
#include "core_resource.hrc"
#endif
#ifndef _DBA_CORE_RESOURCE_HXX_
#include "core_resource.hxx"
#endif
#ifndef _DBASHARED_STRINGCONSTANTS_HRC_
#include "stringconstants.hrc"
#endif
#ifndef _DBA_CORE_REGISTRYHELPER_HXX_
#include "registryhelper.hxx"
#endif
#ifndef _DBASHARED_APITOOLS_HXX_
#include "apitools.hxx"
#endif
#ifndef _COM_SUN_STAR_FRAME_XCONFIGMANAGER_HPP_
#include <com/sun/star/frame/XConfigManager.hpp>
#endif
#ifndef _COM_SUN_STAR_BEANS_PROPERTYATTRIBUTE_HPP_
#include <com/sun/star/beans/PropertyAttribute.hpp>
#endif
#ifndef _COM_SUN_STAR_BEANS_XPROPERTYSET_HPP_
#include <com/sun/star/beans/XPropertySet.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_XDATASOURCE_HPP_
#include <com/sun/star/sdbc/XDataSource.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_
#include <com/sun/star/lang/DisposedException.hpp>
#endif
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#ifndef _CPPUHELPER_TYPEPROVIDER_HXX_
#include <cppuhelper/typeprovider.hxx>
#endif
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#ifndef _CPPUHELPER_IMPLBASE1_HXX_
#include <cppuhelper/implbase1.hxx>
#endif
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#ifndef _COMPHELPER_PROCESSFACTORY_HXX_
#include <comphelper/processfactory.hxx>
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#endif
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#ifndef _COMPHELPER_ENUMHELPER_HXX_
#include <comphelper/enumhelper.hxx>
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#endif
#ifndef _TOOLS_DEBUG_HXX //autogen
#include <tools/debug.hxx>
#endif
#ifndef _FSYS_HXX
#include <tools/fsys.hxx>
#endif
#ifndef _URLOBJ_HXX
#include <tools/urlobj.hxx>
#endif
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#ifndef _COMPHELPER_SEQUENCE_HXX_
#include <comphelper/sequence.hxx>
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#endif
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::sdb;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::util;
using namespace ::com::sun::star::registry;
using namespace ::cppu;
using namespace ::osl;
using namespace dbaccess;
#define REGISTRYFILE "temporary dbaccess persistence.rdb"
//==========================================================================
DBG_NAME(ODatabaseContext);
//--------------------------------------------------------------------------
extern "C" void SAL_CALL createRegistryInfo_ODatabaseContext()
{
static OOneInstanceAutoRegistration< ODatabaseContext > aODatabaseContext_AutoRegistration;
}
//==========================================================================
Reference< XInterface >
ODatabaseContext_CreateInstance(const Reference< XMultiServiceFactory > & xServiceManager)
{
Reference< XInterface > xService(*new ODatabaseContext(xServiceManager));
return xService;
}
//--------------------------------------------------------------------------
ODatabaseContext::ODatabaseContext(const Reference< XMultiServiceFactory > & xServiceManager)
:DatabaseAccessContext_Base(m_aMutex)
,m_xServiceManager(xServiceManager)
{
DBG_CTOR(ODatabaseContext,NULL);
// get the registry
implGetRegistry();
DBG_ASSERT(m_xRegistry.is(), "ODatabaseContext::ODatabaseContext : could not get the registry !");
}
//--------------------------------------------------------------------------
ODatabaseContext::~ODatabaseContext()
{
DBG_DTOR(ODatabaseContext,NULL);
}
// Helper
//------------------------------------------------------------------------------
rtl::OUString ODatabaseContext::getImplementationName_Static() throw( RuntimeException )
{
return rtl::OUString::createFromAscii("com.sun.star.sdb.ODatabaseContext");
}
//------------------------------------------------------------------------------
Reference< XInterface > ODatabaseContext::Create(const Reference< XMultiServiceFactory >& _rxFactory)
{
return ODatabaseContext_CreateInstance(_rxFactory);
}
//------------------------------------------------------------------------------
Sequence< rtl::OUString > ODatabaseContext::getSupportedServiceNames_Static(void) throw( RuntimeException )
{
Sequence< ::rtl::OUString > aSNS( 1 );
aSNS[0] = SERVICE_SDB_DATABASECONTEXT;
return aSNS;
}
// XServiceInfo
//------------------------------------------------------------------------------
rtl::OUString ODatabaseContext::getImplementationName( ) throw(RuntimeException)
{
return getImplementationName_Static();
}
//------------------------------------------------------------------------------
sal_Bool ODatabaseContext::supportsService( const ::rtl::OUString& _rServiceName ) throw (RuntimeException)
{
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return ::comphelper::findValue(getSupportedServiceNames(), _rServiceName, sal_True).getLength() != 0;
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}
//------------------------------------------------------------------------------
Sequence< ::rtl::OUString > ODatabaseContext::getSupportedServiceNames( ) throw (RuntimeException)
{
return getSupportedServiceNames_Static();
}
// ::com::sun::star::lang::XUnoTunnel
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//--------------------------------------------------------------------------
Sequence< sal_Int8 > ODatabaseContext::getUnoTunnelImplementationId() throw (RuntimeException)
{
static OImplementationId * pId = 0;
if (! pId)
{
MutexGuard aGuard( Mutex::getGlobalMutex() );
if (! pId)
{
static OImplementationId aId;
pId = &aId;
}
}
return pId->getImplementationId();
}
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//--------------------------------------------------------------------------
sal_Int64 SAL_CALL ODatabaseContext::getSomething(const Sequence<sal_Int8>& _rIdentifier) throw( RuntimeException )
{
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if (_rIdentifier.getLength() == 16 && 0 == rtl_compareMemory(getImplementationId().getConstArray(), _rIdentifier.getConstArray(), 16 ) )
return (sal_Int64)this;
return 0;
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}
// DatabaseAccessContext_Base
//------------------------------------------------------------------------------
void ODatabaseContext::disposing()
{
for ( ObjectCache::iterator aIter = m_aDatabaseObjects.begin();
aIter != m_aDatabaseObjects.end();
++aIter
)
{
Reference< XComponent > xComp(aIter->second.get(), UNO_QUERY);
if (xComp.is())
xComp->dispose();
}
m_aDatabaseObjects.clear();
}
// XNamingService
//------------------------------------------------------------------------------
Reference< XInterface > ODatabaseContext::getRegisteredObject(const rtl::OUString& _rName) throw( Exception, RuntimeException )
{
MutexGuard aGuard(m_aMutex);
if (DatabaseAccessContext_Base::rBHelper.bDisposed)
throw DisposedException();
ObjectCacheIterator aExistent = m_aDatabaseObjects.find(_rName);
if (aExistent != m_aDatabaseObjects.end())
{
Reference< XInterface > xExistent = aExistent->second.get();
if (xExistent.is())
return xExistent;
// the adapter still exists, but the object is already dead
m_aDatabaseObjects.erase(aExistent);
}
Reference< XRegistryKey > xObjectBase = getDatabaseObjectKey(_rName, sal_False);
// will throw a NoSuchElementException if no object with the given name exists
Reference< XInterface > xNewObject = *(new ODatabaseSource(*this, xObjectBase, _rName, m_xServiceManager));
m_aDatabaseObjects[_rName] = WeakReferenceHelper(xNewObject);
return xNewObject;
}
//--------------------------------------------------------------------------
void ODatabaseContext::implGetRegistry()
{
if (m_xRegistry.is())
return;
sal_Bool bSuccess = sal_False;
try
{
m_xRegistry = Reference< XSimpleRegistry > (
m_xServiceManager->createInstance(rtl::OUString::createFromAscii("com.sun.star.registry.SimpleRegistry")), UNO_QUERY);
if (m_xRegistry.is())
{
// calc the registry file name
String sRegistryFile;
String sUserDirFallback;
Reference< ::com::sun::star::frame::XConfigManager > xSofficeIni(
m_xServiceManager->createInstance(rtl::OUString::createFromAscii("com.sun.star.config.SpecialConfigManager")), UNO_QUERY);
Reference< XSimpleRegistry > xIniRegistry(xSofficeIni, UNO_QUERY);
try
{
if (xIniRegistry.is())
{
Reference< XRegistryKey > xIniRoot = xIniRegistry->getRootKey();
Reference< XRegistryKey > xDirectories = xIniRoot.is() ? xIniRoot->openKey(::rtl::OUString::createFromAscii("Directories")) : Reference< XRegistryKey > ();
if (xDirectories.is())
{
Reference< XRegistryKey > xUserConfigKey = xDirectories->openKey(::rtl::OUString::createFromAscii("UserConfig-Path"));
if (xUserConfigKey.is())
{
rtl::OUString sValue = xUserConfigKey->getStringValue();
sRegistryFile = (const sal_Unicode*)xSofficeIni->substituteVariables(sValue);
sRegistryFile += DirEntry::GetAccessDelimiter();
sRegistryFile.AppendAscii(REGISTRYFILE);
sUserDirFallback = sRegistryFile;
}
if (sRegistryFile.Len() && !DirEntry(sRegistryFile).Exists())
{
sRegistryFile.Erase(); // in case of exceptions ...
// check the global config dir
Reference< XRegistryKey > xGlobalConfigKey = xDirectories->openKey(::rtl::OUString::createFromAscii("Config-Dir"));
if (xGlobalConfigKey.is())
{
rtl::OUString sValue = xGlobalConfigKey->getStringValue();
sRegistryFile = (const sal_Unicode*)xSofficeIni->substituteVariables(sValue);
sRegistryFile += DirEntry::GetAccessDelimiter();
sRegistryFile.AppendAscii(REGISTRYFILE);
}
}
if (sRegistryFile.Len() && !DirEntry(sRegistryFile).Exists())
sRegistryFile.Erase();
}
}
}
catch (InvalidRegistryException)
{
sRegistryFile.Erase();
}
// have we to create a new registry within the user dir ?
sal_Bool bCreateIt = sal_False;
if (!sRegistryFile.Len())
{
sRegistryFile = sUserDirFallback;
bCreateIt = sal_True;
}
if (sRegistryFile.Len())
{
try
{
m_xRegistry->open(UniString(sRegistryFile), sal_False, bCreateIt);
m_xRoot = m_xRegistry->getRootKey();
bSuccess = m_xRoot.is();
}
catch (InvalidRegistryException)
{
}
}
}
}
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catch (Exception&)
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{
// something went heavyly wrong (e.g. the instantiation of the SpecialConfigManager)
bSuccess = sal_False;
}
if (!bSuccess)
{
if (m_xRegistry.is())
{
try { m_xRegistry->close(); } catch (InvalidRegistryException) { };
}
m_xRegistry = NULL;
}
}
//--------------------------------------------------------------------------
Reference< XRegistryKey > ODatabaseContext::getObjectDescriptionKey(const ::rtl::OUString& _rTitle, sal_Bool _bCreate) throw()
{
DBG_ASSERT(m_xRoot.is(), "ODatabaseContext::getDatabaseObjectKey : don't call without a registry root !");
Reference< XRegistryKey > xDescriptionKey;
if (m_xRoot.is())
{
try
{
ORegistryLevelEnumeration aEnum(m_xRoot);
::rtl::OUString sCurrentTitle;
sal_Bool bFoundSomething = sal_False;
while (aEnum.hasMoreElements())
{
xDescriptionKey = aEnum.nextElement();
if (xDescriptionKey.is())
{
try
{
Reference< XRegistryKey > xTitleKey = xDescriptionKey->openKey(CONFIGKEY_CONTAINERLEMENT_TITLE);
sCurrentTitle = xTitleKey->getStringValue();
if (sCurrentTitle.equals(_rTitle))
return xDescriptionKey;
}
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catch(Exception&)
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{
}
}
}
xDescriptionKey.clear();
// nothing found
if (_bCreate)
{
::rtl::OUString sNewKeyName = getUniqueKeyName(m_xRoot, ::rtl::OUString::createFromAscii("obj_"));
Reference< XRegistryKey > xNewKey = m_xRoot->createKey(sNewKeyName);
if (xNewKey.is())
{
try
{
// one sub key for the title
Reference< XRegistryKey > xTitleKey = xNewKey->createKey(CONFIGKEY_CONTAINERLEMENT_TITLE);
xTitleKey->setStringValue(_rTitle);
// one subkey for the object information
xNewKey->createKey(CONFIGKEY_CONTAINERLEMENT_OBJECT);
// no exceptions 'til here -> we can return the new key
xDescriptionKey = xNewKey;
}
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catch(Exception&)
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{
// we were not successfull in creating a new tree -> delete the incomplete parts
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try { m_xRoot->deleteKey(sNewKeyName); } catch(Exception&) { }
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}
}
}
}
catch (InvalidRegistryException)
{
}
catch (InvalidValueException)
{
DBG_ERROR("ODatabaseContext::getObjectDescriptionKey : InvalidValueException ... how this ?");
// this would mean the key hasn't a string value
}
}
return xDescriptionKey;
}
//--------------------------------------------------------------------------
Reference< XRegistryKey > ODatabaseContext::getDatabaseObjectKey(const ::rtl::OUString& _rTitle, sal_Bool _bCreate) throw (NoSuchElementException)
{
Reference< XRegistryKey > xDescriptionKey = getObjectDescriptionKey(_rTitle, _bCreate);
if (!xDescriptionKey.is())
if (!_bCreate)
throw NoSuchElementException();
else
// the creation of the essential root key failed
return xDescriptionKey;
Reference< XRegistryKey > xObjectKey;
try
{
xObjectKey = xDescriptionKey->openKey(CONFIGKEY_CONTAINERLEMENT_OBJECT);
DBG_ASSERT(xObjectKey.is() || !_bCreate, "ODatabaseContext::getDatabaseObjectKey : inconsitent state : there was a name sub key, but no object sub key !");
if (!xObjectKey.is() && _bCreate)
{
xObjectKey = xDescriptionKey->createKey(CONFIGKEY_CONTAINERLEMENT_OBJECT);
}
}
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catch(Exception&)
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{
}
if (!xObjectKey.is())
throw NoSuchElementException();
return xObjectKey;
}
//------------------------------------------------------------------------------
void ODatabaseContext::registerObject(const rtl::OUString& _rName, const Reference< XInterface > & _rxObject) throw( Exception, RuntimeException )
{
MutexGuard aGuard(m_aMutex);
if (!m_xRoot.is())
throw InvalidRegistryException();
if (DatabaseAccessContext_Base::rBHelper.bDisposed)
throw DisposedException();
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// solaris compiler needs a construct like this and can work with comphelper::getImplementation ...
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Reference< XUnoTunnel > xTunnel(_rxObject, UNO_QUERY);
ODatabaseSource* pObjectImpl = NULL;
if (xTunnel.is())
pObjectImpl = reinterpret_cast<ODatabaseSource*> (xTunnel->getSomething(ODatabaseSource::getUnoTunnelImplementationId()));
if (!pObjectImpl)
throw IllegalArgumentException();
if (pObjectImpl->isContainerElement())
// we do not allow to change an object's registration name in this way
throw IllegalArgumentException();
if (!_rName.getLength())
throw IllegalArgumentException();
Reference< XRegistryKey > xObjectBase;
try
{
xObjectBase = getDatabaseObjectKey(_rName, sal_False);
// if we are here there already is an object registered under the given name
throw ElementExistException();
}
catch(NoSuchElementException&)
{
}
sal_Bool bSuccess = sal_False;
try
{
Reference< XRegistryKey > xDescriptionKey = getObjectDescriptionKey(_rName, sal_True);
if (xDescriptionKey.is())
{
xObjectBase = xDescriptionKey->openKey(CONFIGKEY_CONTAINERLEMENT_OBJECT);
// getObjectDescriptionKey is expected to create this sub key when creating the new description key !
pObjectImpl->inserted(*this, _rName, xObjectBase);
pObjectImpl->flush();
bSuccess = sal_True;
}
}
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catch(Exception&)
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{
}
if (!bSuccess)
throw InvalidRegistryException();
}
//------------------------------------------------------------------------------
void ODatabaseContext::revokeObject(const rtl::OUString& _rName) throw( Exception, RuntimeException )
{
MutexGuard aGuard(m_aMutex);
if (!m_xRoot.is())
throw InvalidRegistryException();
if (DatabaseAccessContext_Base::rBHelper.bDisposed)
throw DisposedException();
Reference< XRegistryKey > xObjectKey = getObjectDescriptionKey(_rName, sal_False);
if (!xObjectKey.is())
throw NoSuchElementException();
ObjectCacheIterator aExistent = m_aDatabaseObjects.find(_rName);
if (aExistent != m_aDatabaseObjects.end())
{
Reference< XInterface > xExistent = aExistent->second.get();
if (xExistent.is())
{
Reference< XComponent > xComp(xExistent, UNO_QUERY);
if (xComp.is())
xComp->dispose();
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// solaris compiler needs a construct like this and can work with comphelper::getImplementation ...
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Reference< XUnoTunnel > xTunnel(xExistent, UNO_QUERY);
ODatabaseSource* pObjectImpl = NULL;
if (xTunnel.is())
pObjectImpl = reinterpret_cast<ODatabaseSource*> (xTunnel->getSomething(ODatabaseSource::getUnoTunnelImplementationId()));
DBG_ASSERT(pObjectImpl, "ODatabaseContext::revokeObject : there is an object which is no ODatabaseSource !");
if (pObjectImpl)
pObjectImpl->removed();
}
m_aDatabaseObjects.erase(aExistent);
}
try
{
m_xRoot->deleteKey(getShortKeyName(xObjectKey));
}
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catch(Exception&)
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{
DBG_ERROR("ODatabaseContext::revokeObject : could not delete the registry key !");
throw InvalidRegistryException();
}
}
// ::com::sun::star::container::XElementAccess
//------------------------------------------------------------------------------
Type ODatabaseContext::getElementType( ) throw(RuntimeException)
{
return::getCppuType(static_cast<Reference<XDataSource>*>(NULL));
}
//------------------------------------------------------------------------------
sal_Bool ODatabaseContext::hasElements(void) throw( RuntimeException )
{
MutexGuard aGuard(const_cast<ODatabaseContext*>(this)->m_aMutex);
if (!m_xRoot.is())
throw InvalidRegistryException();
if (DatabaseAccessContext_Base::rBHelper.bDisposed)
throw DisposedException();
ORegistryLevelEnumeration aEnum(m_xRoot);
Reference< XRegistryKey > xLoop, xTitleKey, xObjectKey;
while (aEnum.hasMoreElements())
{
try
{
xLoop = aEnum.nextElement();
if (xLoop.is())
{
xTitleKey = xLoop->openKey(CONFIGKEY_CONTAINERLEMENT_TITLE);
xObjectKey = xLoop->openKey(CONFIGKEY_CONTAINERLEMENT_OBJECT);
if (xTitleKey.is() && xObjectKey.is())
return sal_True;
else
DBG_ERROR("ODatabaseContext::hasElements : me thinks this is inconsistent !");
// we never should have created a key which has no title or object sub key !
}
}
catch (InvalidRegistryException)
{
}
}
return sal_False;
}
// ::com::sun::star::container::XEnumerationAccess
//------------------------------------------------------------------------------
Reference< ::com::sun::star::container::XEnumeration > ODatabaseContext::createEnumeration(void) throw( RuntimeException )
{
MutexGuard aGuard(m_aMutex);
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return new ::comphelper::OEnumerationByName(static_cast<XNameAccess*>(this));
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}
// ::com::sun::star::container::XNameAccess
//------------------------------------------------------------------------------
Any ODatabaseContext::getByName(const rtl::OUString& _rName) throw( NoSuchElementException,
WrappedTargetException, RuntimeException )
{
MutexGuard aGuard(m_aMutex);
try
{
Reference< XDataSource > xObject(getRegisteredObject(_rName), UNO_QUERY);
// will throw an NoSuchElementException if neccessary
return makeAny(xObject);
}
catch (NoSuchElementException&)
{ // let these exceptions through
throw;
}
catch (WrappedTargetException&)
{ // let these exceptions through
throw;
}
catch (RuntimeException&)
{ // let these exceptions through
throw;
}
catch (Exception& e)
{ // exceptions other than the speciafied ones -> wrap
throw WrappedTargetException(rtl::OUString(), *this, makeAny(e));
}
}
//------------------------------------------------------------------------------
Sequence< rtl::OUString > ODatabaseContext::getElementNames(void) throw( RuntimeException )
{
MutexGuard aGuard(m_aMutex);
if (!m_xRoot.is())
throw InvalidRegistryException();
if (DatabaseAccessContext_Base::rBHelper.bDisposed)
throw DisposedException();
Sequence< ::rtl::OUString > aNames;
try
{
Sequence< Reference< XRegistryKey > > aKeys = m_xRoot->openKeys();
const Reference< XRegistryKey >* pKeys = aKeys.getConstArray();
aNames.realloc(aKeys.getLength());
::rtl::OUString* pNames = aNames.getArray();
Reference< XRegistryKey > xTitleKey;
for (sal_Int32 i=0; i<aKeys.getLength(); ++i, ++pKeys)
{
if (pKeys->is())
{
try
{
xTitleKey = (*pKeys)->openKey(CONFIGKEY_CONTAINERLEMENT_TITLE);
if (xTitleKey.is())
{
::rtl::OUString sName = xTitleKey->getStringValue();
*pNames = sName;
++pNames;
}
}
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catch(Exception&)
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{
}
}
}
aNames.realloc(pNames - aNames.getArray());
}
catch(InvalidRegistryException&)
{
}
catch(InvalidValueException&)
{
}
return aNames;
}
//------------------------------------------------------------------------------
sal_Bool ODatabaseContext::hasByName(const rtl::OUString& _rName) throw( RuntimeException )
{
MutexGuard aGuard(m_aMutex);
try
{
Reference< XRegistryKey > xObjectKey = getDatabaseObjectKey(_rName, sal_False);
return xObjectKey.is();
}
catch(NoSuchElementException&)
{
}
return sal_False;
}
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