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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: localmultistratum.cxx,v $
* $Revision: 1.9 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_configmgr.hxx"
#include "localmultistratum.hxx"
#include "localfilehelper.hxx"
#include "filehelper.hxx"
#ifndef CONFIGMGR_API_FACTORY_HXX_
#include "confapifactory.hxx"
#endif // CONFIGMGR_API_FACTORY_HXX_
#include "serviceinfohelper.hxx"
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/configuration/backend/InsufficientAccessRightsException.hpp>
#include <osl/file.hxx>
namespace configmgr { namespace localbe {
//==============================================================================
static inline
rtl::OUString const & impl_getLayerDataDirectory(rtl::OUString const & aLayerBaseUrl)
{ return aLayerBaseUrl; }
//------------------------------------------------------------------------------
static //inline
rtl::OUString makeLayerId(rtl::OUString const & aComponent,rtl::OUString const & aParticleFile)
{
OSL_ASSERT(aParticleFile.endsWithIgnoreAsciiCaseAsciiL(RTL_CONSTASCII_STRINGPARAM(kLocalDataSuffix)));
const sal_Int32 kExtLength = RTL_CONSTASCII_LENGTH(kLocalDataSuffix);
rtl::OUString const aParticleName = aParticleFile.copy(0,aParticleFile.getLength() - kExtLength);
rtl::OUStringBuffer aLayerId(aComponent);
aLayerId.append(k_cLayerIdSeparator);
aLayerId.append(aParticleName);
return aLayerId.makeStringAndClear();
}
LocalMultiStratum::LocalMultiStratum(const uno::Reference<uno::XComponentContext>& xContext)
: cppu::ImplInheritanceHelper1< LocalStratumBase, backend::XMultiLayerStratum >(xContext)
{
}
//------------------------------------------------------------------------------
LocalMultiStratum::~LocalMultiStratum() {}
//------------------------------------------------------------------------------
uno::Sequence< rtl::OUString > SAL_CALL
LocalMultiStratum::listLayerIds( const rtl::OUString& aComponent,
const rtl::OUString& /*aEntity*/ )
throw (backend::BackendAccessException, lang::IllegalArgumentException, uno::RuntimeException)
{
rtl::OUString const aLayerUrl = impl_getLayerDataDirectory(getBaseUrl());
rtl::OUString const aComponentUrl = aLayerUrl + componentToPath(aComponent);
const sal_uInt32 k_STATUS_FIELDS = FileStatusMask_Type | FileStatusMask_FileName;
osl::Directory aComponentDirectory(aComponentUrl);
osl::DirectoryItem aItem;
std::vector< rtl::OUString > aResult;
osl::Directory::RC errcode = aComponentDirectory.open();
switch (errcode)
{
case osl::Directory::E_NOENT:
return uno::Sequence< rtl::OUString >();
case osl::Directory::E_None:
while (osl::Directory::E_None == (errcode=aComponentDirectory.getNextItem(aItem)))
{
osl::FileStatus aItemDescriptor( k_STATUS_FIELDS );
errcode = aItem.getFileStatus(aItemDescriptor);
if ( errcode != osl::DirectoryItem::E_None )
{
OSL_ASSERT(errcode != osl::Directory::E_NOENT); // unexpected failure for getFileStatus for existing file
if (errcode == osl::Directory::E_NOENT) continue;
OSL_TRACE("Reading Component Directory - Error (%u) getting status of directory item.\n", unsigned(errcode));
break;
}
OSL_ENSURE( aItemDescriptor.isValid(FileStatusMask_Type), "Could not get type of directory item");
if (aItemDescriptor.getFileType() != osl::FileStatus::Regular)
continue;
OSL_ENSURE( aItemDescriptor.isValid(FileStatusMask_FileName), "Could not get name of component found");
rtl::OUString const aFileName = aItemDescriptor.getFileName();
if (!aFileName.endsWithIgnoreAsciiCaseAsciiL(RTL_CONSTASCII_STRINGPARAM(kLocalDataSuffix)))
continue;
aResult.push_back( makeLayerId(aComponent,aFileName) );
}
OSL_ASSERT(errcode != osl::Directory::E_None); // Loop postcond
// joint error handling with open failure
if (errcode != osl::Directory::E_NOENT) // normal loop termination
{
default: // if open() truly failed we also go here
rtl::OUStringBuffer errbuf;
errbuf.appendAscii("LocalMultiStratum::listLayerIds: ");
errbuf.appendAscii("Error scanning directory ").append(aComponentUrl)
.appendAscii(" for particle files. ");
errbuf.appendAscii("Error: ").append(FileHelper::createOSLErrorString(errcode));
rtl::OUString const errmsg = errbuf.makeStringAndClear();
throw backend::BackendAccessException(errmsg,*this,uno::Any());
}
return aResult.empty()
? uno::Sequence< rtl::OUString >()
: uno::Sequence< rtl::OUString >(
&aResult.front(), static_cast<sal_Int32>(aResult.size()));
}
}
//------------------------------------------------------------------------------
rtl::OUString SAL_CALL
LocalMultiStratum::getUpdateLayerId( const rtl::OUString& aComponent,
const rtl::OUString& /*aEntity*/ )
throw (backend::BackendAccessException, lang::NoSupportException,
lang::IllegalArgumentException, uno::RuntimeException)
{
failReadonly();
return aComponent;
}
//------------------------------------------------------------------------------
uno::Reference< backend::XLayer > SAL_CALL
LocalMultiStratum::getLayer( const rtl::OUString& aLayerId,
const rtl::OUString& aTimestamp )
throw (backend::BackendAccessException, lang::IllegalArgumentException,
uno::RuntimeException)
{
return LocalStratumBase::getLayer(aLayerId,aTimestamp);
}
//------------------------------------------------------------------------------
uno::Sequence< uno::Reference< backend::XLayer > > SAL_CALL
LocalMultiStratum::getLayers( const uno::Sequence< rtl::OUString >& aLayerIds,
const rtl::OUString& aTimestamp )
throw (backend::BackendAccessException, lang::IllegalArgumentException,
uno::RuntimeException)
{
sal_Int32 const nLayers = aLayerIds.getLength();
uno::Sequence< uno::Reference< backend::XLayer > > aResult(nLayers);
for (sal_Int32 ix=0; ix<nLayers; ++ix)
{
aResult[ix] = LocalStratumBase::getLayer(aLayerIds[ix],aTimestamp);
}
return aResult;
}
//------------------------------------------------------------------------------
uno::Sequence< uno::Reference< backend::XLayer > > SAL_CALL
LocalMultiStratum::getMultipleLayers( const uno::Sequence< rtl::OUString >& aLayerIds,
const uno::Sequence< rtl::OUString >& aTimestamps )
throw (backend::BackendAccessException, lang::IllegalArgumentException,
uno::RuntimeException)
{
if (aLayerIds.getLength() != aTimestamps.getLength()) {
throw lang::IllegalArgumentException(
rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
"LocalStratum::getMultipleLayers(): Timestamp count does not match layer count")),
*this, 0) ;
}
sal_Int32 const nLayers = aLayerIds.getLength();
uno::Sequence< uno::Reference< backend::XLayer > > aResult(nLayers);
for (sal_Int32 ix=0; ix<nLayers; ++ix)
{
aResult[ix] = LocalStratumBase::getLayer(aLayerIds[ix],aTimestamps[ix]);
}
return aResult;
}
//------------------------------------------------------------------------------
uno::Reference< backend::XUpdatableLayer > SAL_CALL
LocalMultiStratum::getUpdatableLayer( const rtl::OUString& /*aLayerId*/ )
throw (backend::BackendAccessException, lang::IllegalArgumentException,
lang::NoSupportException, uno::RuntimeException)
{
failReadonly();
return 0;
}
//------------------------------------------------------------------------------
void LocalMultiStratum::getLayerDirectories(rtl::OUString& aLayerUrl,
rtl::OUString& aSubLayerUrl) const
{
aLayerUrl = impl_getLayerDataDirectory(getBaseUrl());
aSubLayerUrl = rtl::OUString();
}
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
static const sal_Char * const kMultiStratumImplementation =
"com.sun.star.comp.configuration.backend.LocalMultiStratum" ;
static const sal_Char * const kBackendService =
"com.sun.star.configuration.backend.MultiStratum" ;
static const sal_Char * const kLocalService =
"com.sun.star.configuration.backend.LocalMultiStratum" ;
static sal_Char const * kServiceNames [] = { kLocalService, 0, kBackendService, 0 } ;
static const ServiceImplementationInfo kMultiStratumServiceInfo = { kMultiStratumImplementation , kServiceNames, kServiceNames + 2 } ;
const ServiceRegistrationInfo *getLocalMultiStratumServiceInfo()
{ return getRegistrationInfo(&kMultiStratumServiceInfo) ; }
uno::Reference<uno::XInterface> SAL_CALL
instantiateLocalMultiStratum(const uno::Reference< uno::XComponentContext >& xContext) {
return *new LocalMultiStratum(xContext) ;
}
//------------------------------------------------------------------------------
const ServiceImplementationInfo * LocalMultiStratum::getServiceInfoData() const
{
return &kMultiStratumServiceInfo;
}
//------------------------------------------------------------------------------
// ---------------------------------------------------------------------------------------
} } // configmgr.localsinglestratum
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