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Diffstat (limited to 'sfx2/source/appl/xpackcreator.cxx')
| -rw-r--r-- | sfx2/source/appl/xpackcreator.cxx | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/sfx2/source/appl/xpackcreator.cxx b/sfx2/source/appl/xpackcreator.cxx new file mode 100644 index 000000000..825a334f3 --- /dev/null +++ b/sfx2/source/appl/xpackcreator.cxx @@ -0,0 +1,172 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#include <com/sun/star/ucb/XCommandEnvironment.hpp> +#include <com/sun/star/io/IOException.hpp> +#include <com/sun/star/io/XOutputStream.hpp> +#include <com/sun/star/embed/XPackageStructureCreator.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> + +#include <comphelper/processfactory.hxx> +#include <cppuhelper/implbase.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <sot/stg.hxx> +#include <sot/storage.hxx> +#include <tools/stream.hxx> +#include <unotools/tempfile.hxx> +#include <unotools/ucbhelper.hxx> +#include <ucbhelper/content.hxx> + +using namespace css; + +namespace { + +class OPackageStructureCreator : public ::cppu::WeakImplHelper< embed::XPackageStructureCreator, + lang::XServiceInfo > +{ +public: + OPackageStructureCreator() {} + + // XPackageStructureCreator + virtual void SAL_CALL convertToPackage( const OUString& aFolderUrl, const uno::Reference< io::XOutputStream >& xTargetStream ) override; + + // XServiceInfo + virtual OUString SAL_CALL getImplementationName() override; + virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override; + virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override; +}; + + +void SAL_CALL OPackageStructureCreator::convertToPackage( const OUString& aFolderUrl, + const uno::Reference< io::XOutputStream >& xTargetStream ) +{ + uno::Reference< ucb::XCommandEnvironment > xComEnv; + + if ( !xTargetStream.is() ) + throw io::IOException(); // TODO/LATER + + bool bSuccess = false; + ::ucbhelper::Content aContent; + if( ::ucbhelper::Content::create( aFolderUrl, xComEnv, comphelper::getProcessComponentContext(), aContent ) ) + { + std::unique_ptr<SvStream> pTempStream; + + OUString aTempURL = ::utl::TempFile().GetURL(); + try { + if ( aContent.isFolder() ) + { + UCBStorage* pUCBStorage = new UCBStorage( aContent, + aFolderUrl, + StreamMode::READ, + false, + true ); + tools::SvRef<SotStorage> aStorage = new SotStorage( pUCBStorage ); + + if ( !aTempURL.isEmpty() ) + { + pTempStream.reset(new SvFileStream( aTempURL, StreamMode::STD_READWRITE )); + tools::SvRef<SotStorage> aTargetStorage = new SotStorage( true, *pTempStream ); + aStorage->CopyTo( aTargetStorage.get() ); + aTargetStorage->Commit(); + + if ( aStorage->GetError() || aTargetStorage->GetError() || pTempStream->GetError() ) + throw io::IOException(); + + aTargetStorage = nullptr; + aStorage = nullptr; + + pTempStream->Seek( 0 ); + + uno::Sequence< sal_Int8 > aSeq( 32000 ); + sal_uInt32 nRead = 0; + do { + if ( aSeq.getLength() < 32000 ) + aSeq.realloc( 32000 ); + + nRead = pTempStream->ReadBytes(aSeq.getArray(), 32000); + if ( nRead < 32000 ) + aSeq.realloc( nRead ); + xTargetStream->writeBytes( aSeq ); + } while (pTempStream->good() && nRead); + + if ( pTempStream->GetError() ) + throw io::IOException(); + + bSuccess = true; + } + } + } + catch (const uno::RuntimeException&) + { + pTempStream.reset(); + + if ( !aTempURL.isEmpty() ) + ::utl::UCBContentHelper::Kill( aTempURL ); + + throw; + } + catch (const io::IOException&) + { + pTempStream.reset(); + + if ( !aTempURL.isEmpty() ) + ::utl::UCBContentHelper::Kill( aTempURL ); + + throw; + } + catch (const uno::Exception&) + { + } + + pTempStream.reset(); + + if ( !aTempURL.isEmpty() ) + ::utl::UCBContentHelper::Kill( aTempURL ); + } + + if ( !bSuccess ) + throw io::IOException(); // TODO/LATER: can't proceed with creation +} + +OUString SAL_CALL OPackageStructureCreator::getImplementationName() +{ + return "com.sun.star.comp.embed.PackageStructureCreator"; +} + +sal_Bool SAL_CALL OPackageStructureCreator::supportsService( const OUString& ServiceName ) +{ + return cppu::supportsService(this, ServiceName); +} + +uno::Sequence< OUString > SAL_CALL OPackageStructureCreator::getSupportedServiceNames() +{ + return { "com.sun.star.embed.PackageStructureCreator", "com.sun.star.comp.embed.PackageStructureCreator" }; +} + +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * +com_sun_star_comp_embed_PackageStructureCreator_get_implementation( + css::uno::XComponentContext *, + css::uno::Sequence<css::uno::Any> const &) +{ + return cppu::acquire(new OPackageStructureCreator()); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |