diff options
Diffstat (limited to 'ucb/source/ucp/tdoc/tdoc_provider.cxx')
| -rw-r--r-- | ucb/source/ucp/tdoc/tdoc_provider.cxx | 629 |
1 files changed, 629 insertions, 0 deletions
diff --git a/ucb/source/ucp/tdoc/tdoc_provider.cxx b/ucb/source/ucp/tdoc/tdoc_provider.cxx new file mode 100644 index 000000000000..7ffedfcf1932 --- /dev/null +++ b/ucb/source/ucp/tdoc/tdoc_provider.cxx @@ -0,0 +1,629 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_ucb.hxx" + +/************************************************************************** + TODO + ************************************************************************** + + *************************************************************************/ + +#include "rtl/ustrbuf.hxx" + +#include "com/sun/star/container/XNameAccess.hpp" +#include "com/sun/star/embed/XStorage.hpp" + +#include "ucbhelper/contentidentifier.hxx" + +#include "tdoc_provider.hxx" +#include "tdoc_content.hxx" +#include "tdoc_uri.hxx" +#include "tdoc_docmgr.hxx" +#include "tdoc_storage.hxx" + +using namespace com::sun::star; +using namespace tdoc_ucp; + +//========================================================================= +//========================================================================= +// +// ContentProvider Implementation. +// +//========================================================================= +//========================================================================= + +ContentProvider::ContentProvider( + const uno::Reference< lang::XMultiServiceFactory >& xSMgr ) +: ::ucbhelper::ContentProviderImplHelper( xSMgr ), + m_xDocsMgr( new OfficeDocumentsManager( xSMgr, this ) ), + m_xStgElemFac( new StorageElementFactory( xSMgr, m_xDocsMgr ) ) +{ +} + +//========================================================================= +// virtual +ContentProvider::~ContentProvider() +{ + if ( m_xDocsMgr.is() ) + m_xDocsMgr->destroy(); +} + +//========================================================================= +// +// XInterface methods. +// +//========================================================================= + +XINTERFACE_IMPL_4( ContentProvider, + lang::XTypeProvider, + lang::XServiceInfo, + ucb::XContentProvider, + frame::XTransientDocumentsDocumentContentFactory ); + +//========================================================================= +// +// XTypeProvider methods. +// +//========================================================================= + +XTYPEPROVIDER_IMPL_4( ContentProvider, + lang::XTypeProvider, + lang::XServiceInfo, + ucb::XContentProvider, + frame::XTransientDocumentsDocumentContentFactory ); + +//========================================================================= +// +// XServiceInfo methods. +// +//========================================================================= + +XSERVICEINFO_IMPL_1( + ContentProvider, + rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( + "com.sun.star.comp.ucb.TransientDocumentsContentProvider" ) ), + rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( + TDOC_CONTENT_PROVIDER_SERVICE_NAME ) ) ); + +//========================================================================= +// +// Service factory implementation. +// +//========================================================================= + +ONE_INSTANCE_SERVICE_FACTORY_IMPL( ContentProvider ); + +//========================================================================= +// +// XContentProvider methods. +// +//========================================================================= + +// virtual +uno::Reference< ucb::XContent > SAL_CALL +ContentProvider::queryContent( + const uno::Reference< ucb::XContentIdentifier >& Identifier ) + throw( ucb::IllegalIdentifierException, uno::RuntimeException ) +{ + Uri aUri( Identifier->getContentIdentifier() ); + if ( !aUri.isValid() ) + throw ucb::IllegalIdentifierException( + rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Invalid URL!" ) ), + Identifier ); + + // Normalize URI. + uno::Reference< ucb::XContentIdentifier > xCanonicId + = new ::ucbhelper::ContentIdentifier( m_xSMgr, aUri.getUri() ); + + osl::MutexGuard aGuard( m_aMutex ); + + // Check, if a content with given id already exists... + uno::Reference< ucb::XContent > xContent + = queryExistingContent( xCanonicId ).get(); + + if ( !xContent.is() ) + { + // Create a new content. + xContent = Content::create( m_xSMgr, this, xCanonicId ); + registerNewContent( xContent ); + } + + return xContent; +} + +//========================================================================= +// +// XTransientDocumentsDocumentContentFactory methods. +// +//========================================================================= + +// virtual +uno::Reference< ucb::XContent > SAL_CALL +ContentProvider::createDocumentContent( + const uno::Reference< frame::XModel >& Model ) + throw ( lang::IllegalArgumentException, uno::RuntimeException ) +{ + // model -> id -> content identifier -> queryContent + if ( m_xDocsMgr.is() ) + { + rtl::OUString aDocId = m_xDocsMgr->queryDocumentId( Model ); + if ( aDocId.getLength() > 0 ) + { + rtl::OUStringBuffer aBuffer; + aBuffer.appendAscii( TDOC_URL_SCHEME ":/" ); + aBuffer.append( aDocId ); + + uno::Reference< ucb::XContentIdentifier > xId + = new ::ucbhelper::ContentIdentifier( + m_xSMgr, aBuffer.makeStringAndClear() ); + + osl::MutexGuard aGuard( m_aMutex ); + + // Check, if a content with given id already exists... + uno::Reference< ucb::XContent > xContent + = queryExistingContent( xId ).get(); + + if ( !xContent.is() ) + { + // Create a new content. + xContent = Content::create( m_xSMgr, this, xId ); + } + + if ( xContent.is() ) + return xContent; + + // no content. + throw lang::IllegalArgumentException( + rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( + "Illegal Content Identifier!" ) ), + static_cast< cppu::OWeakObject * >( this ), + 1 ); + } + else + { + throw lang::IllegalArgumentException( + rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( + "Unable to obtain document id from model!" ) ), + static_cast< cppu::OWeakObject * >( this ), + 1 ); + } + } + else + { + throw lang::IllegalArgumentException( + rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( + "No Document Manager!" ) ), + static_cast< cppu::OWeakObject * >( this ), + 1 ); + } +} + +//========================================================================= +// +// interface OfficeDocumentsEventListener +// +//========================================================================= + +// virtual +void ContentProvider::notifyDocumentClosed( const rtl::OUString & rDocId ) +{ + osl::MutexGuard aGuard( getContentListMutex() ); + + ::ucbhelper::ContentRefList aAllContents; + queryExistingContents( aAllContents ); + + ::ucbhelper::ContentRefList::const_iterator it = aAllContents.begin(); + ::ucbhelper::ContentRefList::const_iterator end = aAllContents.end(); + + // Notify all content objects related to the closed doc. + + bool bFoundDocumentContent = false; + rtl::Reference< Content > xRoot; + + while ( it != end ) + { + Uri aUri( (*it)->getIdentifier()->getContentIdentifier() ); + OSL_ENSURE( aUri.isValid(), + "ContentProvider::notifyDocumentClosed - Invalid URI!" ); + + if ( !bFoundDocumentContent ) + { + if ( aUri.isRoot() ) + { + xRoot = static_cast< Content * >( (*it).get() ); + } + else if ( aUri.isDocument() ) + { + if ( aUri.getDocumentId() == rDocId ) + { + bFoundDocumentContent = true; + + // document content will notify removal of child itself; + // no need for the root to propagate this. + xRoot.clear(); + } + } + } + + if ( aUri.getDocumentId() == rDocId ) + { + // Inform content. + rtl::Reference< Content > xContent + = static_cast< Content * >( (*it).get() ); + + xContent->notifyDocumentClosed(); + } + + ++it; + } + + if ( xRoot.is() ) + { + // No document content found for rDocId but root content + // instanciated. Root content must announce document removal + // to content event listeners. + xRoot->notifyChildRemoved( rDocId ); + } +} + +//========================================================================= +// virtual +void ContentProvider::notifyDocumentOpened( const rtl::OUString & rDocId ) +{ + osl::MutexGuard aGuard( getContentListMutex() ); + + ::ucbhelper::ContentRefList aAllContents; + queryExistingContents( aAllContents ); + + ::ucbhelper::ContentRefList::const_iterator it = aAllContents.begin(); + ::ucbhelper::ContentRefList::const_iterator end = aAllContents.end(); + + // Find root content. If instanciated let it propagate document insertion. + + while ( it != end ) + { + Uri aUri( (*it)->getIdentifier()->getContentIdentifier() ); + OSL_ENSURE( aUri.isValid(), + "ContentProvider::notifyDocumentOpened - Invalid URI!" ); + + if ( aUri.isRoot() ) + { + rtl::Reference< Content > xRoot + = static_cast< Content * >( (*it).get() ); + xRoot->notifyChildInserted( rDocId ); + + // Done. + break; + } + + ++it; + } +} + +//========================================================================= +// +// Non-UNO +// +//========================================================================= + +uno::Reference< embed::XStorage > +ContentProvider::queryStorage( const rtl::OUString & rUri, + StorageAccessMode eMode ) const +{ + if ( m_xStgElemFac.is() ) + { + try + { + return m_xStgElemFac->createStorage( rUri, eMode ); + } + catch ( embed::InvalidStorageException const & ) + { + OSL_ENSURE( false, "Caught InvalidStorageException!" ); + } + catch ( lang::IllegalArgumentException const & ) + { + OSL_ENSURE( false, "Caught IllegalArgumentException!" ); + } + catch ( io::IOException const & ) + { + // Okay to happen, for instance when the storage does not exist. + //OSL_ENSURE( false, "Caught IOException!" ); + } + catch ( embed::StorageWrappedTargetException const & ) + { + OSL_ENSURE( false, "Caught embed::StorageWrappedTargetException!" ); + } + } + return uno::Reference< embed::XStorage >(); +} + +//========================================================================= +uno::Reference< embed::XStorage > +ContentProvider::queryStorageClone( const rtl::OUString & rUri ) const +{ + if ( m_xStgElemFac.is() ) + { + try + { + Uri aUri( rUri ); + uno::Reference< embed::XStorage > xParentStorage + = m_xStgElemFac->createStorage( aUri.getParentUri(), READ ); + uno::Reference< embed::XStorage > xStorage + = m_xStgElemFac->createTemporaryStorage(); + + xParentStorage->copyStorageElementLastCommitTo( + aUri.getDecodedName(), xStorage ); + return xStorage; + } + catch ( embed::InvalidStorageException const & ) + { + OSL_ENSURE( false, "Caught InvalidStorageException!" ); + } + catch ( lang::IllegalArgumentException const & ) + { + OSL_ENSURE( false, "Caught IllegalArgumentException!" ); + } + catch ( io::IOException const & ) + { + // Okay to happen, for instance when the storage does not exist. + //OSL_ENSURE( false, "Caught IOException!" ); + } + catch ( embed::StorageWrappedTargetException const & ) + { + OSL_ENSURE( false, "Caught embed::StorageWrappedTargetException!" ); + } + } + + return uno::Reference< embed::XStorage >(); +} + +//========================================================================= +uno::Reference< io::XInputStream > +ContentProvider::queryInputStream( const rtl::OUString & rUri, + const rtl::OUString & rPassword ) const + throw ( packages::WrongPasswordException ) +{ + if ( m_xStgElemFac.is() ) + { + try + { + return m_xStgElemFac->createInputStream( rUri, rPassword ); + } + catch ( embed::InvalidStorageException const & ) + { + OSL_ENSURE( false, "Caught InvalidStorageException!" ); + } + catch ( lang::IllegalArgumentException const & ) + { + OSL_ENSURE( false, "Caught IllegalArgumentException!" ); + } + catch ( io::IOException const & ) + { + OSL_ENSURE( false, "Caught IOException!" ); + } + catch ( embed::StorageWrappedTargetException const & ) + { + OSL_ENSURE( false, "Caught embed::StorageWrappedTargetException!" ); + } +// catch ( packages::WrongPasswordException const & ) +// { +// // the key provided is wrong; rethrow; to be handled by caller. +// throw; +// } + } + return uno::Reference< io::XInputStream >(); +} + +//========================================================================= +uno::Reference< io::XOutputStream > +ContentProvider::queryOutputStream( const rtl::OUString & rUri, + const rtl::OUString & rPassword, + bool bTruncate ) const + throw ( packages::WrongPasswordException ) +{ + if ( m_xStgElemFac.is() ) + { + try + { + return + m_xStgElemFac->createOutputStream( rUri, rPassword, bTruncate ); + } + catch ( embed::InvalidStorageException const & ) + { + OSL_ENSURE( false, "Caught InvalidStorageException!" ); + } + catch ( lang::IllegalArgumentException const & ) + { + OSL_ENSURE( false, "Caught IllegalArgumentException!" ); + } + catch ( io::IOException const & ) + { + // Okay to happen, for instance when the storage does not exist. + //OSL_ENSURE( false, "Caught IOException!" ); + } + catch ( embed::StorageWrappedTargetException const & ) + { + OSL_ENSURE( false, "Caught embed::StorageWrappedTargetException!" ); + } +// catch ( packages::WrongPasswordException const & ) +// { +// // the key provided is wrong; rethrow; to be handled by caller. +// throw; +// } + } + return uno::Reference< io::XOutputStream >(); +} + +//========================================================================= +uno::Reference< io::XStream > +ContentProvider::queryStream( const rtl::OUString & rUri, + const rtl::OUString & rPassword, + bool bTruncate ) const + throw ( packages::WrongPasswordException ) +{ + if ( m_xStgElemFac.is() ) + { + try + { + return m_xStgElemFac->createStream( rUri, rPassword, bTruncate ); + } + catch ( embed::InvalidStorageException const & ) + { + OSL_ENSURE( false, "Caught InvalidStorageException!" ); + } + catch ( lang::IllegalArgumentException const & ) + { + OSL_ENSURE( false, "Caught IllegalArgumentException!" ); + } + catch ( io::IOException const & ) + { + // Okay to happen, for instance when the storage does not exist. + //OSL_ENSURE( false, "Caught IOException!" ); + } + catch ( embed::StorageWrappedTargetException const & ) + { + OSL_ENSURE( false, "Caught embed::StorageWrappedTargetException!" ); + } +// catch ( packages::WrongPasswordException const & ) +// { +// // the key provided is wrong; rethrow; to be handled by caller. +// throw; +// } + } + return uno::Reference< io::XStream >(); +} + +//========================================================================= +bool ContentProvider::queryNamesOfChildren( + const rtl::OUString & rUri, uno::Sequence< rtl::OUString > & rNames ) const +{ + Uri aUri( rUri ); + if ( aUri.isRoot() ) + { + // special handling for root, which has no storage, but children. + if ( m_xDocsMgr.is() ) + { + rNames = m_xDocsMgr->queryDocuments(); + return true; + } + } + else + { + if ( m_xStgElemFac.is() ) + { + try + { + uno::Reference< embed::XStorage > xStorage + = m_xStgElemFac->createStorage( rUri, READ ); + + OSL_ENSURE( xStorage.is(), "Got no Storage!" ); + + if ( xStorage.is() ) + { + uno::Reference< container::XNameAccess > xNA( + xStorage, uno::UNO_QUERY ); + + OSL_ENSURE( xNA.is(), "Got no css.container.XNameAccess!" ); + if ( xNA.is() ) + { + rNames = xNA->getElementNames(); + return true; + } + } + } + catch ( embed::InvalidStorageException const & ) + { + OSL_ENSURE( false, "Caught InvalidStorageException!" ); + } + catch ( lang::IllegalArgumentException const & ) + { + OSL_ENSURE( false, "Caught IllegalArgumentException!" ); + } + catch ( io::IOException const & ) + { + // Okay to happen, for instance if the storage does not exist. + //OSL_ENSURE( false, "Caught IOException!" ); + } + catch ( embed::StorageWrappedTargetException const & ) + { + OSL_ENSURE( false, + "Caught embed::StorageWrappedTargetException!" ); + } + } + } + return false; +} + +//========================================================================= +rtl::OUString +ContentProvider::queryStorageTitle( const rtl::OUString & rUri ) const +{ + rtl::OUString aTitle; + + Uri aUri( rUri ); + if ( aUri.isRoot() ) + { + // always empty. + aTitle = rtl::OUString(); + } + else if ( aUri.isDocument() ) + { + // for documents, title shall not be derived from URL. It shall + // be somethimg more 'speaking' than just the document UID. + if ( m_xDocsMgr.is() ) + aTitle = m_xDocsMgr->queryStorageTitle( aUri.getDocumentId() ); + } + else + { + // derive title from URL + aTitle = aUri.getDecodedName(); + } + + OSL_ENSURE( ( aTitle.getLength() > 0 ) || aUri.isRoot(), + "ContentProvider::queryStorageTitle - empty title!" ); + return aTitle; +} + +//========================================================================= +uno::Reference< frame::XModel > +ContentProvider::queryDocumentModel( const rtl::OUString & rUri ) const +{ + uno::Reference< frame::XModel > xModel; + + if ( m_xDocsMgr.is() ) + { + Uri aUri( rUri ); + xModel = m_xDocsMgr->queryDocumentModel( aUri.getDocumentId() ); + } + + OSL_ENSURE( xModel.is(), + "ContentProvider::queryDocumentModel - no model!" ); + return xModel; +} + |