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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * 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.
+ *
+ ************************************************************************/
+
+#include "oox/helper/zipstorage.hxx"
+#include <com/sun/star/embed/ElementModes.hpp>
+#include <com/sun/star/embed/XStorage.hpp>
+#include <com/sun/star/embed/XTransactedObject.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/io/XOutputStream.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <comphelper/storagehelper.hxx>
+#include "oox/helper/helper.hxx"
+
+using ::rtl::OUString;
+using ::com::sun::star::container::NoSuchElementException;
+using ::com::sun::star::embed::XStorage;
+using ::com::sun::star::embed::XTransactedObject;
+using ::com::sun::star::io::XInputStream;
+using ::com::sun::star::io::XOutputStream;
+using ::com::sun::star::io::XStream;
+using ::com::sun::star::lang::XMultiServiceFactory;
+using ::com::sun::star::uno::Any;
+using ::com::sun::star::uno::Exception;
+using ::com::sun::star::uno::Reference;
+using ::com::sun::star::uno::Sequence;
+using ::com::sun::star::uno::UNO_QUERY;
+using ::com::sun::star::uno::UNO_QUERY_THROW;
+
+namespace oox {
+
+// ============================================================================
+
+ZipStorage::ZipStorage(
+ const Reference< XMultiServiceFactory >& rxFactory,
+ const Reference< XInputStream >& rxInStream ) :
+ StorageBase( rxInStream, false )
+{
+ OSL_ENSURE( rxFactory.is(), "ZipStorage::ZipStorage - missing service factory" );
+ // create base storage object
+ try
+ {
+ /* #i105325# ::comphelper::OStorageHelper::GetStorageFromInputStream()
+ cannot be used here as it will open a storage with format type
+ 'PackageFormat' that will not work with OOXML packages.
+
+ #161971# The MS-document storages should always be opened in Repair-Mode to
+ ignore the format errors and get so much info as possible. I hate this
+ solution, but it seems to be the only consistent way to handle the MS-documents.
+
+ TODO: #i105410# switch to 'OFOPXMLFormat' and use its
+ implementation of relations handling. */
+ mxStorage = ::comphelper::OStorageHelper::GetStorageOfFormatFromInputStream(
+ ZIP_STORAGE_FORMAT_STRING, rxInStream, rxFactory, sal_True );
+ }
+ catch( Exception& )
+ {
+ }
+}
+
+ZipStorage::ZipStorage(
+ const Reference< XMultiServiceFactory >& rxFactory,
+ const Reference< XStream >& rxStream ) :
+ StorageBase( rxStream, false )
+{
+ OSL_ENSURE( rxFactory.is(), "ZipStorage::ZipStorage - missing service factory" );
+ // create base storage object
+ try
+ {
+ using namespace ::com::sun::star::embed::ElementModes;
+ mxStorage = ::comphelper::OStorageHelper::GetStorageOfFormatFromStream(
+ OFOPXML_STORAGE_FORMAT_STRING, rxStream, READWRITE | TRUNCATE, rxFactory, sal_True );
+ }
+ catch( Exception& )
+ {
+ OSL_ENSURE( false, "ZipStorage::ZipStorage - cannot open output storage" );
+ }
+}
+
+ZipStorage::ZipStorage( const ZipStorage& rParentStorage, const Reference< XStorage >& rxStorage, const OUString& rElementName ) :
+ StorageBase( rParentStorage, rElementName, rParentStorage.isReadOnly() ),
+ mxStorage( rxStorage )
+{
+ OSL_ENSURE( mxStorage.is(), "ZipStorage::ZipStorage - missing storage" );
+}
+
+ZipStorage::~ZipStorage()
+{
+}
+
+bool ZipStorage::implIsStorage() const
+{
+ return mxStorage.is();
+}
+
+Reference< XStorage > ZipStorage::implGetXStorage() const
+{
+ return mxStorage;
+}
+
+void ZipStorage::implGetElementNames( ::std::vector< OUString >& orElementNames ) const
+{
+ Sequence< OUString > aNames;
+ if( mxStorage.is() ) try
+ {
+ aNames = mxStorage->getElementNames();
+ if( aNames.getLength() > 0 )
+ orElementNames.insert( orElementNames.end(), aNames.getConstArray(), aNames.getConstArray() + aNames.getLength() );
+ }
+ catch( Exception& )
+ {
+ }
+}
+
+StorageRef ZipStorage::implOpenSubStorage( const OUString& rElementName, bool bCreateMissing )
+{
+ Reference< XStorage > xSubXStorage;
+ bool bMissing = false;
+ if( mxStorage.is() ) try
+ {
+ // XStorage::isStorageElement may throw various exceptions...
+ if( mxStorage->isStorageElement( rElementName ) )
+ xSubXStorage = mxStorage->openStorageElement(
+ rElementName, ::com::sun::star::embed::ElementModes::READ );
+ }
+ catch( NoSuchElementException& )
+ {
+ bMissing = true;
+ }
+ catch( Exception& )
+ {
+ }
+
+ if( bMissing && bCreateMissing ) try
+ {
+ xSubXStorage = mxStorage->openStorageElement(
+ rElementName, ::com::sun::star::embed::ElementModes::READWRITE );
+ }
+ catch( Exception& )
+ {
+ }
+
+ StorageRef xSubStorage;
+ if( xSubXStorage.is() )
+ xSubStorage.reset( new ZipStorage( *this, xSubXStorage, rElementName ) );
+ return xSubStorage;
+}
+
+Reference< XInputStream > ZipStorage::implOpenInputStream( const OUString& rElementName )
+{
+ Reference< XInputStream > xInStream;
+ if( mxStorage.is() ) try
+ {
+ xInStream.set( mxStorage->openStreamElement( rElementName, ::com::sun::star::embed::ElementModes::READ ), UNO_QUERY );
+ }
+ catch( Exception& )
+ {
+ }
+ return xInStream;
+}
+
+Reference< XOutputStream > ZipStorage::implOpenOutputStream( const OUString& rElementName )
+{
+ Reference< XOutputStream > xOutStream;
+ if( mxStorage.is() ) try
+ {
+ xOutStream.set( mxStorage->openStreamElement( rElementName, ::com::sun::star::embed::ElementModes::READWRITE ), UNO_QUERY );
+ }
+ catch( Exception& )
+ {
+ }
+ return xOutStream;
+}
+
+void ZipStorage::implCommit() const
+{
+ try
+ {
+ Reference< XTransactedObject >( mxStorage, UNO_QUERY_THROW )->commit();
+ }
+ catch( Exception& )
+ {
+ }
+}
+
+// ============================================================================
+
+} // namespace oox