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|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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_sot.hxx"
#include <com/sun/star/io/NotConnectedException.hpp>
#include <com/sun/star/io/BufferSizeExceededException.hpp>
#include <com/sun/star/uno/RuntimeException.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <ucbhelper/content.hxx>
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/ucb/XCommandEnvironment.hpp>
#include <unotools/tempfile.hxx>
#include <unotools/ucbstreamhelper.hxx>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/ucb/InsertCommandArgument.hpp>
#include <com/sun/star/ucb/ResultSetException.hpp>
#include <com/sun/star/uno/Sequence.h>
#include <com/sun/star/sdbc/XResultSet.hdl>
#include <com/sun/star/ucb/XContentAccess.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/ucb/CommandAbortedException.hpp>
#include <com/sun/star/datatransfer/DataFlavor.hpp>
#include <com/sun/star/ucb/ContentInfo.hpp>
#include <com/sun/star/ucb/ContentInfoAttribute.hpp>
#include <com/sun/star/beans/Property.hpp>
#include <com/sun/star/packages/manifest/XManifestWriter.hpp>
#include <com/sun/star/packages/manifest/XManifestReader.hpp>
#include <com/sun/star/ucb/InteractiveIOException.hpp>
#include <rtl/digest.h>
#include <tools/ref.hxx>
#include <tools/debug.hxx>
#include <unotools/streamhelper.hxx>
#include <unotools/streamwrap.hxx>
#include <unotools/ucbhelper.hxx>
#include <unotools/localfilehelper.hxx>
#include <tools/urlobj.hxx>
#include <unotools/streamwrap.hxx>
#include <comphelper/processfactory.hxx>
#include <cppuhelper/implbase2.hxx>
#include <ucbhelper/commandenvironment.hxx>
#include "sot/stg.hxx"
#include "sot/storinfo.hxx"
#include <sot/storage.hxx>
#include <sot/exchange.hxx>
#include <sot/formats.hxx>
#include "sot/clsids.hxx"
#include <vector>
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::ucb;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::sdbc;
using namespace ::ucbhelper;
#if OSL_DEBUG_LEVEL > 1
#include <stdio.h>
static int nOpenFiles=0;
static int nOpenStreams=0;
#endif
typedef ::cppu::WeakImplHelper2 < XInputStream, XSeekable > FileInputStreamWrapper_Base;
class FileStreamWrapper_Impl : public FileInputStreamWrapper_Base
{
protected:
::osl::Mutex m_aMutex;
String m_aURL;
SvStream* m_pSvStream;
public:
FileStreamWrapper_Impl( const String& rName );
virtual ~FileStreamWrapper_Impl();
virtual void SAL_CALL seek( sal_Int64 _nLocation ) throw ( IllegalArgumentException, IOException, RuntimeException);
virtual sal_Int64 SAL_CALL getPosition( ) throw ( IOException, RuntimeException);
virtual sal_Int64 SAL_CALL getLength( ) throw ( IOException, RuntimeException);
virtual sal_Int32 SAL_CALL readBytes( Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead) throw( NotConnectedException, BufferSizeExceededException, RuntimeException );
virtual sal_Int32 SAL_CALL readSomeBytes( Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead) throw( NotConnectedException, BufferSizeExceededException, RuntimeException );
virtual void SAL_CALL skipBytes(sal_Int32 nBytesToSkip) throw( NotConnectedException, BufferSizeExceededException, RuntimeException);
virtual sal_Int32 SAL_CALL available() throw( NotConnectedException, RuntimeException );
virtual void SAL_CALL closeInput() throw( NotConnectedException, RuntimeException );
protected:
void checkConnected();
void checkError();
};
//------------------------------------------------------------------
FileStreamWrapper_Impl::FileStreamWrapper_Impl( const String& rName )
: m_aURL( rName )
, m_pSvStream(0)
{
// if no URL is provided the stream is empty
}
//------------------------------------------------------------------
FileStreamWrapper_Impl::~FileStreamWrapper_Impl()
{
if ( m_pSvStream )
{
delete m_pSvStream;
#if OSL_DEBUG_LEVEL > 1
--nOpenFiles;
#endif
}
if ( m_aURL.Len() )
::utl::UCBContentHelper::Kill( m_aURL );
}
//------------------------------------------------------------------------------
sal_Int32 SAL_CALL FileStreamWrapper_Impl::readBytes(Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead)
throw( NotConnectedException, BufferSizeExceededException, RuntimeException )
{
if ( !m_aURL.Len() )
{
aData.realloc( 0 );
return 0;
}
checkConnected();
if (nBytesToRead < 0)
throw BufferSizeExceededException(::rtl::OUString(),static_cast<XWeak*>(this));
::osl::MutexGuard aGuard( m_aMutex );
aData.realloc(nBytesToRead);
sal_uInt32 nRead = m_pSvStream->Read((void*)aData.getArray(), nBytesToRead);
checkError();
// Wenn gelesene Zeichen < MaxLength, Sequence anpassen
if (nRead < (sal_uInt32)nBytesToRead)
aData.realloc( nRead );
return nRead;
}
//------------------------------------------------------------------------------
sal_Int32 SAL_CALL FileStreamWrapper_Impl::readSomeBytes(Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead) throw( NotConnectedException, BufferSizeExceededException, RuntimeException )
{
if ( !m_aURL.Len() )
{
aData.realloc( 0 );
return 0;
}
checkError();
if (nMaxBytesToRead < 0)
throw BufferSizeExceededException(::rtl::OUString(),static_cast<XWeak*>(this));
if (m_pSvStream->IsEof())
{
aData.realloc(0);
return 0;
}
else
return readBytes(aData, nMaxBytesToRead);
}
//------------------------------------------------------------------------------
void SAL_CALL FileStreamWrapper_Impl::skipBytes(sal_Int32 nBytesToSkip) throw( NotConnectedException, BufferSizeExceededException, RuntimeException )
{
if ( !m_aURL.Len() )
return;
::osl::MutexGuard aGuard( m_aMutex );
checkError();
m_pSvStream->SeekRel(nBytesToSkip);
checkError();
}
//------------------------------------------------------------------------------
sal_Int32 SAL_CALL FileStreamWrapper_Impl::available() throw( NotConnectedException, RuntimeException )
{
if ( !m_aURL.Len() )
return 0;
::osl::MutexGuard aGuard( m_aMutex );
checkConnected();
sal_uInt32 nPos = m_pSvStream->Tell();
checkError();
m_pSvStream->Seek(STREAM_SEEK_TO_END);
checkError();
sal_Int32 nAvailable = (sal_Int32)m_pSvStream->Tell() - nPos;
m_pSvStream->Seek(nPos);
checkError();
return nAvailable;
}
//------------------------------------------------------------------------------
void SAL_CALL FileStreamWrapper_Impl::closeInput() throw( NotConnectedException, RuntimeException )
{
if ( !m_aURL.Len() )
return;
::osl::MutexGuard aGuard( m_aMutex );
checkConnected();
DELETEZ( m_pSvStream );
#if OSL_DEBUG_LEVEL > 1
--nOpenFiles;
#endif
::utl::UCBContentHelper::Kill( m_aURL );
m_aURL.Erase();
}
//------------------------------------------------------------------------------
void SAL_CALL FileStreamWrapper_Impl::seek( sal_Int64 _nLocation ) throw (IllegalArgumentException, IOException, RuntimeException)
{
if ( !m_aURL.Len() )
return;
::osl::MutexGuard aGuard( m_aMutex );
checkConnected();
m_pSvStream->Seek((sal_uInt32)_nLocation);
checkError();
}
//------------------------------------------------------------------------------
sal_Int64 SAL_CALL FileStreamWrapper_Impl::getPosition( ) throw (IOException, RuntimeException)
{
if ( !m_aURL.Len() )
return 0;
::osl::MutexGuard aGuard( m_aMutex );
checkConnected();
sal_uInt32 nPos = m_pSvStream->Tell();
checkError();
return (sal_Int64)nPos;
}
//------------------------------------------------------------------------------
sal_Int64 SAL_CALL FileStreamWrapper_Impl::getLength( ) throw (IOException, RuntimeException)
{
if ( !m_aURL.Len() )
return 0;
::osl::MutexGuard aGuard( m_aMutex );
checkConnected();
sal_uInt32 nCurrentPos = m_pSvStream->Tell();
checkError();
m_pSvStream->Seek(STREAM_SEEK_TO_END);
sal_uInt32 nEndPos = m_pSvStream->Tell();
m_pSvStream->Seek(nCurrentPos);
checkError();
return (sal_Int64)nEndPos;
}
//------------------------------------------------------------------------------
void FileStreamWrapper_Impl::checkConnected()
{
if ( !m_aURL.Len() )
throw NotConnectedException(::rtl::OUString(), const_cast<XWeak*>(static_cast<const XWeak*>(this)));
if ( !m_pSvStream )
{
m_pSvStream = ::utl::UcbStreamHelper::CreateStream( m_aURL, STREAM_STD_READ );
#if OSL_DEBUG_LEVEL > 1
++nOpenFiles;
#endif
}
}
//------------------------------------------------------------------------------
void FileStreamWrapper_Impl::checkError()
{
checkConnected();
if (m_pSvStream->SvStream::GetError() != ERRCODE_NONE)
// TODO: really evaluate the error
throw NotConnectedException(::rtl::OUString(), const_cast<XWeak*>(static_cast<const XWeak*>(this)));
}
TYPEINIT1( UCBStorageStream, BaseStorageStream );
TYPEINIT1( UCBStorage, BaseStorage );
#define COMMIT_RESULT_FAILURE 0
#define COMMIT_RESULT_NOTHING_TO_DO 1
#define COMMIT_RESULT_SUCCESS 2
#define min( x, y ) (( x < y ) ? x : y)
#define max( x, y ) (( x > y ) ? x : y)
sal_Int32 GetFormatId_Impl( SvGlobalName aName )
{
if ( aName == SvGlobalName( SO3_SW_CLASSID_60 ) )
return SOT_FORMATSTR_ID_STARWRITER_60;
if ( aName == SvGlobalName( SO3_SWWEB_CLASSID_60 ) )
return SOT_FORMATSTR_ID_STARWRITERWEB_60;
if ( aName == SvGlobalName( SO3_SWGLOB_CLASSID_60 ) )
return SOT_FORMATSTR_ID_STARWRITERGLOB_60;
if ( aName == SvGlobalName( SO3_SDRAW_CLASSID_60 ) )
return SOT_FORMATSTR_ID_STARDRAW_60;
if ( aName == SvGlobalName( SO3_SIMPRESS_CLASSID_60 ) )
return SOT_FORMATSTR_ID_STARIMPRESS_60;
if ( aName == SvGlobalName( SO3_SC_CLASSID_60 ) )
return SOT_FORMATSTR_ID_STARCALC_60;
if ( aName == SvGlobalName( SO3_SCH_CLASSID_60 ) )
return SOT_FORMATSTR_ID_STARCHART_60;
if ( aName == SvGlobalName( SO3_SM_CLASSID_60 ) )
return SOT_FORMATSTR_ID_STARMATH_60;
if ( aName == SvGlobalName( SO3_OUT_CLASSID ) ||
aName == SvGlobalName( SO3_APPLET_CLASSID ) ||
aName == SvGlobalName( SO3_PLUGIN_CLASSID ) ||
aName == SvGlobalName( SO3_IFRAME_CLASSID ) )
// allowed, but not supported
return 0;
else
{
OSL_FAIL( "Unknown UCB storage format!" );
return 0;
}
}
SvGlobalName GetClassId_Impl( sal_Int32 nFormat )
{
switch ( nFormat )
{
case SOT_FORMATSTR_ID_STARWRITER_8 :
case SOT_FORMATSTR_ID_STARWRITER_8_TEMPLATE :
return SvGlobalName( SO3_SW_CLASSID_60 );
case SOT_FORMATSTR_ID_STARWRITERWEB_8 :
return SvGlobalName( SO3_SWWEB_CLASSID_60 );
case SOT_FORMATSTR_ID_STARWRITERGLOB_8 :
return SvGlobalName( SO3_SWGLOB_CLASSID_60 );
case SOT_FORMATSTR_ID_STARDRAW_8 :
case SOT_FORMATSTR_ID_STARDRAW_8_TEMPLATE :
return SvGlobalName( SO3_SDRAW_CLASSID_60 );
case SOT_FORMATSTR_ID_STARIMPRESS_8 :
case SOT_FORMATSTR_ID_STARIMPRESS_8_TEMPLATE :
return SvGlobalName( SO3_SIMPRESS_CLASSID_60 );
case SOT_FORMATSTR_ID_STARCALC_8 :
case SOT_FORMATSTR_ID_STARCALC_8_TEMPLATE :
return SvGlobalName( SO3_SC_CLASSID_60 );
case SOT_FORMATSTR_ID_STARCHART_8 :
case SOT_FORMATSTR_ID_STARCHART_8_TEMPLATE :
return SvGlobalName( SO3_SCH_CLASSID_60 );
case SOT_FORMATSTR_ID_STARMATH_8 :
case SOT_FORMATSTR_ID_STARMATH_8_TEMPLATE :
return SvGlobalName( SO3_SM_CLASSID_60 );
case SOT_FORMATSTR_ID_STARWRITER_60 :
return SvGlobalName( SO3_SW_CLASSID_60 );
case SOT_FORMATSTR_ID_STARWRITERWEB_60 :
return SvGlobalName( SO3_SWWEB_CLASSID_60 );
case SOT_FORMATSTR_ID_STARWRITERGLOB_60 :
return SvGlobalName( SO3_SWGLOB_CLASSID_60 );
case SOT_FORMATSTR_ID_STARDRAW_60 :
return SvGlobalName( SO3_SDRAW_CLASSID_60 );
case SOT_FORMATSTR_ID_STARIMPRESS_60 :
return SvGlobalName( SO3_SIMPRESS_CLASSID_60 );
case SOT_FORMATSTR_ID_STARCALC_60 :
return SvGlobalName( SO3_SC_CLASSID_60 );
case SOT_FORMATSTR_ID_STARCHART_60 :
return SvGlobalName( SO3_SCH_CLASSID_60 );
case SOT_FORMATSTR_ID_STARMATH_60 :
return SvGlobalName( SO3_SM_CLASSID_60 );
default :
return SvGlobalName();
}
}
// All storage and streams are refcounted internally; outside of this classes they are only accessible through a handle
// class, that uses the refcounted object as impl-class.
enum RepresentModes {
nonset,
svstream,
xinputstream
};
class UCBStorageStream_Impl : public SvRefBase, public SvStream
{
~UCBStorageStream_Impl();
public:
virtual sal_uLong GetData( void* pData, sal_uLong nSize );
virtual sal_uLong PutData( const void* pData, sal_uLong nSize );
virtual sal_uLong SeekPos( sal_uLong nPos );
virtual void SetSize( sal_uLong nSize );
virtual void FlushData();
virtual void ResetError();
UCBStorageStream* m_pAntiImpl; // only valid if an external reference exists
String m_aOriginalName;// the original name before accessing the stream
String m_aName; // the actual name ( changed with a Rename command at the parent )
String m_aURL; // the full path name to create the content
String m_aContentType;
String m_aOriginalContentType;
ByteString m_aKey;
::ucbhelper::Content* m_pContent; // the content that provides the data
Reference<XInputStream> m_rSource; // the stream covering the original data of the content
SvStream* m_pStream; // the stream worked on; for readonly streams it is the original stream of the content
// for read/write streams it's a copy into a temporary file
String m_aTempURL; // URL of this temporary stream
RepresentModes m_nRepresentMode; // should it be used as XInputStream or as SvStream
long m_nError;
StreamMode m_nMode; // open mode ( read/write/trunc/nocreate/sharing )
sal_Bool m_bSourceRead; // Source still contains useful information
sal_Bool m_bModified; // only modified streams will be sent to the original content
sal_Bool m_bCommited; // sending the streams is coordinated by the root storage of the package
sal_Bool m_bDirect; // the storage and its streams are opened in direct mode; for UCBStorages
// this means that the root storage does an autocommit when its external
// reference is destroyed
sal_Bool m_bIsOLEStorage;// an OLEStorage on a UCBStorageStream makes this an Autocommit-stream
UCBStorageStream_Impl( const String&, StreamMode, UCBStorageStream*, sal_Bool, const ByteString* pKey=0, sal_Bool bRepair = sal_False, Reference< XProgressHandler > xProgress = Reference< XProgressHandler >() );
void Free();
sal_Bool Init();
sal_Bool Clear();
sal_Int16 Commit(); // if modified and commited: transfer an XInputStream to the content
sal_Bool Revert(); // discard all changes
BaseStorage* CreateStorage();// create an OLE Storage on the UCBStorageStream
sal_uLong GetSize();
sal_uLong ReadSourceWriteTemporary( sal_uLong aLength ); // read aLength from source and copy to temporary,
// no seeking is produced
sal_uLong ReadSourceWriteTemporary(); // read source till the end and copy to temporary,
sal_uLong CopySourceToTemporary(); // same as ReadSourceWriteToTemporary()
// but the writing is done at the end of temporary
// pointer position is not changed
Reference<XInputStream> GetXInputStream(); // return XInputStream, after that
// this class is close to be unusable
// since it can not read and write
using SvStream::SetError;
void SetError( sal_uInt32 nError );
void PrepareCachedForReopen( StreamMode nMode );
};
SV_DECL_IMPL_REF( UCBStorageStream_Impl );
struct UCBStorageElement_Impl;
typedef ::std::vector< UCBStorageElement_Impl* > UCBStorageElementList_Impl;
class UCBStorage_Impl : public SvRefBase
{
~UCBStorage_Impl();
public:
UCBStorage* m_pAntiImpl; // only valid if external references exists
String m_aOriginalName;// the original name before accessing the storage
String m_aName; // the actual name ( changed with a Rename command at the parent )
String m_aURL; // the full path name to create the content
String m_aContentType;
String m_aOriginalContentType;
::ucbhelper::Content* m_pContent; // the content that provides the storage elements
::utl::TempFile* m_pTempFile; // temporary file, only for storages on stream
SvStream* m_pSource; // original stream, only for storages on a stream
long m_nError;
StreamMode m_nMode; // open mode ( read/write/trunc/nocreate/sharing )
sal_Bool m_bModified; // only modified elements will be sent to the original content
sal_Bool m_bCommited; // sending the streams is coordinated by the root storage of the package
sal_Bool m_bDirect; // the storage and its streams are opened in direct mode; for UCBStorages
// this means that the root storage does an autocommit when its external
// reference is destroyed
sal_Bool m_bIsRoot; // marks this storage as root storages that manages all oommits and reverts
sal_Bool m_bDirty; // ???
sal_Bool m_bIsLinked;
sal_Bool m_bListCreated;
sal_uLong m_nFormat;
String m_aUserTypeName;
SvGlobalName m_aClassId;
UCBStorageElementList_Impl m_aChildrenList;
sal_Bool m_bRepairPackage;
Reference< XProgressHandler > m_xProgressHandler;
UCBStorage_Impl( const ::ucbhelper::Content&, const String&, StreamMode, UCBStorage*, sal_Bool, sal_Bool, sal_Bool = sal_False, Reference< XProgressHandler > = Reference< XProgressHandler >() );
UCBStorage_Impl( const String&, StreamMode, UCBStorage*, sal_Bool, sal_Bool, sal_Bool = sal_False, Reference< XProgressHandler > = Reference< XProgressHandler >() );
UCBStorage_Impl( SvStream&, UCBStorage*, sal_Bool );
void Init();
sal_Int16 Commit();
sal_Bool Revert();
sal_Bool Insert( ::ucbhelper::Content *pContent );
UCBStorage_Impl* OpenStorage( UCBStorageElement_Impl* pElement, StreamMode nMode, sal_Bool bDirect );
UCBStorageStream_Impl* OpenStream( UCBStorageElement_Impl*, StreamMode, sal_Bool, const ByteString* pKey=0 );
void SetProps( const Sequence < Sequence < PropertyValue > >& rSequence, const String& );
void GetProps( sal_Int32&, Sequence < Sequence < PropertyValue > >& rSequence, const String& );
sal_Int32 GetObjectCount();
void ReadContent();
void CreateContent();
::ucbhelper::Content* GetContent()
{ if ( !m_pContent ) CreateContent(); return m_pContent; }
UCBStorageElementList_Impl& GetChildrenList()
{
long nError = m_nError;
ReadContent();
if ( m_nMode & STREAM_WRITE )
{
m_nError = nError;
if ( m_pAntiImpl )
{
m_pAntiImpl->ResetError();
m_pAntiImpl->SetError( nError );
}
}
return m_aChildrenList;
}
void SetError( long nError );
};
SV_DECL_IMPL_REF( UCBStorage_Impl );
// this struct contains all neccessary information on an element inside a UCBStorage
struct UCBStorageElement_Impl
{
String m_aName; // the actual URL relative to the root "folder"
String m_aOriginalName;// the original name in the content
sal_uLong m_nSize;
sal_Bool m_bIsFolder; // Only sal_True when it is a UCBStorage !
sal_Bool m_bIsStorage; // Also sal_True when it is an OLEStorage !
sal_Bool m_bIsRemoved; // element will be removed on commit
sal_Bool m_bIsInserted; // element will be removed on revert
UCBStorage_ImplRef m_xStorage; // reference to the "real" storage
UCBStorageStream_ImplRef m_xStream; // reference to the "real" stream
UCBStorageElement_Impl( const ::rtl::OUString& rName,
sal_Bool bIsFolder = sal_False, sal_uLong nSize = 0 )
: m_aName( rName )
, m_aOriginalName( rName )
, m_nSize( nSize )
, m_bIsFolder( bIsFolder )
, m_bIsStorage( bIsFolder )
, m_bIsRemoved( sal_False )
, m_bIsInserted( sal_False )
{
}
::ucbhelper::Content* GetContent();
sal_Bool IsModified();
String GetContentType();
void SetContentType( const String& );
String GetOriginalContentType();
sal_Bool IsLoaded()
{ return m_xStream.Is() || m_xStorage.Is(); }
};
::ucbhelper::Content* UCBStorageElement_Impl::GetContent()
{
if ( m_xStream.Is() )
return m_xStream->m_pContent;
else if ( m_xStorage.Is() )
return m_xStorage->GetContent();
else
return NULL;
}
String UCBStorageElement_Impl::GetContentType()
{
if ( m_xStream.Is() )
return m_xStream->m_aContentType;
else if ( m_xStorage.Is() )
return m_xStorage->m_aContentType;
else
{
OSL_FAIL("Element not loaded!");
return String();
}
}
void UCBStorageElement_Impl::SetContentType( const String& rType )
{
if ( m_xStream.Is() ) {
m_xStream->m_aContentType = m_xStream->m_aOriginalContentType = rType;
}
else if ( m_xStorage.Is() ) {
m_xStorage->m_aContentType = m_xStorage->m_aOriginalContentType = rType;
}
else {
OSL_FAIL("Element not loaded!");
}
}
String UCBStorageElement_Impl::GetOriginalContentType()
{
if ( m_xStream.Is() )
return m_xStream->m_aOriginalContentType;
else if ( m_xStorage.Is() )
return m_xStorage->m_aOriginalContentType;
else
return String();
}
sal_Bool UCBStorageElement_Impl::IsModified()
{
sal_Bool bModified = m_bIsRemoved || m_bIsInserted || m_aName != m_aOriginalName;
if ( bModified )
{
if ( m_xStream.Is() )
bModified = m_xStream->m_aContentType != m_xStream->m_aOriginalContentType;
else if ( m_xStorage.Is() )
bModified = m_xStorage->m_aContentType != m_xStorage->m_aOriginalContentType;
}
return bModified;
}
UCBStorageStream_Impl::UCBStorageStream_Impl( const String& rName, StreamMode nMode, UCBStorageStream* pStream, sal_Bool bDirect, const ByteString* pKey, sal_Bool bRepair, Reference< XProgressHandler > xProgress )
: m_pAntiImpl( pStream )
, m_aURL( rName )
, m_pContent( NULL )
, m_pStream( NULL )
, m_nRepresentMode( nonset )
, m_nError( 0 )
, m_nMode( nMode )
, m_bSourceRead( !( nMode & STREAM_TRUNC ) )
, m_bModified( sal_False )
, m_bCommited( sal_False )
, m_bDirect( bDirect )
, m_bIsOLEStorage( sal_False )
{
// name is last segment in URL
INetURLObject aObj( rName );
m_aName = m_aOriginalName = aObj.GetLastName();
try
{
// create the content
Reference< ::com::sun::star::ucb::XCommandEnvironment > xComEnv;
::rtl::OUString aTemp( rName );
if ( bRepair )
{
xComEnv = new ::ucbhelper::CommandEnvironment( Reference< ::com::sun::star::task::XInteractionHandler >(),
xProgress );
aTemp += rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("?repairpackage"));
}
m_pContent = new ::ucbhelper::Content( aTemp, xComEnv );
if ( pKey )
{
m_aKey = *pKey;
// stream is encrypted and should be decrypted (without setting the key we'll get the raw data)
sal_uInt8 aBuffer[RTL_DIGEST_LENGTH_SHA1];
rtlDigestError nErr = rtl_digest_SHA1( pKey->GetBuffer(), pKey->Len(), aBuffer, RTL_DIGEST_LENGTH_SHA1 );
if ( nErr == rtl_Digest_E_None )
{
sal_uInt8* pBuffer = aBuffer;
::com::sun::star::uno::Sequence < sal_Int8 > aSequ( (sal_Int8*) pBuffer, RTL_DIGEST_LENGTH_SHA1 );
::com::sun::star::uno::Any aAny;
aAny <<= aSequ;
m_pContent->setPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("EncryptionKey")), aAny );
}
}
}
catch ( ContentCreationException& )
{
// content could not be created
SetError( SVSTREAM_CANNOT_MAKE );
}
catch ( RuntimeException& )
{
// any other error - not specified
SetError( ERRCODE_IO_GENERAL );
}
}
UCBStorageStream_Impl::~UCBStorageStream_Impl()
{
if( m_rSource.is() )
m_rSource = Reference< XInputStream >();
if( m_pStream )
delete m_pStream;
if ( m_aTempURL.Len() )
::utl::UCBContentHelper::Kill( m_aTempURL );
if( m_pContent )
delete m_pContent;
}
Reference<XInputStream> UCBStorageStream_Impl::GetXInputStream()
{
Reference< XInputStream > aResult;
if( m_pAntiImpl && m_nRepresentMode != nonset )
{
OSL_FAIL( "Misuse of the XInputstream!" );
SetError( ERRCODE_IO_ACCESSDENIED );
}
else
{
if( m_bModified )
{
// use wrapper around temporary stream
if( Init() )
{
CopySourceToTemporary();
// owner transfer of stream to wrapper
aResult = new ::utl::OInputStreamWrapper( m_pStream, sal_True );
m_pStream->Seek(0);
if( aResult.is() )
{
// temporary stream can not be used here any more
// and can not be opened untill wrapper is closed
// stream is deleted by wrapper after use
m_pStream = NULL;
m_nRepresentMode = xinputstream;
}
}
}
else
{
Free();
// open a new instance of XInputStream
try
{
aResult = m_pContent->openStream();
}
catch ( Exception& )
{
// usually means that stream could not be opened
}
if( aResult.is() )
m_nRepresentMode = xinputstream;
else
SetError( ERRCODE_IO_ACCESSDENIED );
}
}
return aResult;
}
sal_Bool UCBStorageStream_Impl::Init()
{
if( m_nRepresentMode == xinputstream )
{
OSL_FAIL( "XInputStream misuse!" );
SetError( ERRCODE_IO_ACCESSDENIED );
return sal_False;
}
if( !m_pStream )
{
// no temporary stream was created
// create one
m_nRepresentMode = svstream; // can not be used as XInputStream
if ( !m_aTempURL.Len() )
m_aTempURL = ::utl::TempFile().GetURL();
m_pStream = ::utl::UcbStreamHelper::CreateStream( m_aTempURL, STREAM_STD_READWRITE, sal_True /* bFileExists */ );
#if OSL_DEBUG_LEVEL > 1
++nOpenFiles;
#endif
if( !m_pStream )
{
OSL_FAIL( "Suspicious temporary stream creation!" );
SetError( SVSTREAM_CANNOT_MAKE );
return sal_False;
}
SetError( m_pStream->GetError() );
}
if( m_bSourceRead && !m_rSource.is() )
{
// source file contain usefull information and is not opened
// open it from the point of noncopied data
try
{
m_rSource = m_pContent->openStream();
}
catch ( Exception& )
{
// usually means that stream could not be opened
}
if( m_rSource.is() )
{
m_pStream->Seek( STREAM_SEEK_TO_END );
try
{
m_rSource->skipBytes( m_pStream->Tell() );
}
catch( BufferSizeExceededException& )
{
// the temporary stream already contain all the data
m_bSourceRead = sal_False;
}
catch( Exception& )
{
// something is really wrong
m_bSourceRead = sal_False;
OSL_FAIL( "Can not operate original stream!" );
SetError( SVSTREAM_CANNOT_MAKE );
}
m_pStream->Seek( 0 );
}
else
{
// if the new file is edited than no source exist
m_bSourceRead = sal_False;
//SetError( SVSTREAM_CANNOT_MAKE );
}
}
DBG_ASSERT( m_rSource.is() || !m_bSourceRead, "Unreadable source stream!" );
return sal_True;
}
sal_uLong UCBStorageStream_Impl::ReadSourceWriteTemporary()
{
// read source stream till the end and copy all the data to
// the current position of the temporary stream
sal_uLong aResult = 0;
if( m_bSourceRead )
{
Sequence<sal_Int8> aData(32000);
try
{
sal_uLong aReaded;
do
{
aReaded = m_rSource->readBytes( aData, 32000 );
aResult += m_pStream->Write( aData.getArray(), aReaded );
} while( aReaded == 32000 );
}
#if OSL_DEBUG_LEVEL > 1
catch( Exception & e )
{
OSL_FAIL( ::rtl::OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US ).getStr() );
#else
catch( Exception & )
{
#endif
}
}
m_bSourceRead = sal_False;
return aResult;
}
sal_uLong UCBStorageStream_Impl::ReadSourceWriteTemporary( sal_uLong aLength )
{
// read aLength bite from the source stream and copy them to the current
// position of the temporary stream
sal_uLong aResult = 0;
if( m_bSourceRead )
{
Sequence<sal_Int8> aData(32000);
try
{
sal_uLong aReaded = 32000;
for( sal_uLong pInd = 0; pInd < aLength && aReaded == 32000 ; pInd += 32000 )
{
sal_uLong aToCopy = min( aLength - pInd, 32000 );
aReaded = m_rSource->readBytes( aData, aToCopy );
aResult += m_pStream->Write( aData.getArray(), aReaded );
}
if( aResult < aLength )
m_bSourceRead = sal_False;
}
#if OSL_DEBUG_LEVEL > 1
catch( Exception & e )
{
OSL_FAIL( ::rtl::OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US ).getStr() );
#else
catch( Exception & )
{
#endif
}
}
return aResult;
}
sal_uLong UCBStorageStream_Impl::CopySourceToTemporary()
{
// current position of the temporary stream is not changed
sal_uLong aResult = 0;
if( m_bSourceRead )
{
sal_uLong aPos = m_pStream->Tell();
m_pStream->Seek( STREAM_SEEK_TO_END );
aResult = ReadSourceWriteTemporary();
m_pStream->Seek( aPos );
}
return aResult;
}
// UCBStorageStream_Impl must have a SvStream interface, because it then can be used as underlying stream
// of an OLEStorage; so every write access caused by storage operations marks the UCBStorageStream as modified
sal_uLong UCBStorageStream_Impl::GetData( void* pData, sal_uLong nSize )
{
sal_uLong aResult = 0;
if( !Init() )
return 0;
// read data that is in temporary stream
aResult = m_pStream->Read( pData, nSize );
if( m_bSourceRead && aResult < nSize )
{
// read the tail of the data from original stream
// copy this tail to the temporary stream
sal_uLong aToRead = nSize - aResult;
pData = (void*)( (char*)pData + aResult );
try
{
Sequence<sal_Int8> aData( aToRead );
sal_uLong aReaded = m_rSource->readBytes( aData, aToRead );
aResult += m_pStream->Write( (void*)aData.getArray(), aReaded );
memcpy( pData, aData.getArray(), aReaded );
}
#if OSL_DEBUG_LEVEL > 1
catch( Exception & e )
{
OSL_FAIL( ::rtl::OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US ).getStr() );
#else
catch( Exception & )
{
#endif
}
if( aResult < nSize )
m_bSourceRead = sal_False;
}
return aResult;
}
sal_uLong UCBStorageStream_Impl::PutData( const void* pData, sal_uLong nSize )
{
if ( !(m_nMode & STREAM_WRITE) )
{
SetError( ERRCODE_IO_ACCESSDENIED );
return 0; // ?mav?
}
if( !nSize || !Init() )
return 0;
sal_uLong aResult = m_pStream->Write( pData, nSize );
m_bModified = aResult > 0;
return aResult;
}
sal_uLong UCBStorageStream_Impl::SeekPos( sal_uLong nPos )
{
if( !Init() )
return 0;
sal_uLong aResult;
if( nPos == STREAM_SEEK_TO_END )
{
m_pStream->Seek( STREAM_SEEK_TO_END );
ReadSourceWriteTemporary();
aResult = m_pStream->Tell();
}
else
{
// the problem is that even if nPos is larger the the length
// of the stream the stream pointer will be moved to this position
// so we have to check if temporary stream does not contain required position
if( m_pStream->Tell() > nPos
|| m_pStream->Seek( STREAM_SEEK_TO_END ) > nPos )
{
// no copiing is required
aResult = m_pStream->Seek( nPos );
}
else
{
// the temp stream pointer points to the end now
aResult = m_pStream->Tell();
if( aResult < nPos )
{
if( m_bSourceRead )
{
aResult += ReadSourceWriteTemporary( nPos - aResult );
if( aResult < nPos )
m_bSourceRead = sal_False;
DBG_ASSERT( aResult == m_pStream->Tell(), "Error in stream arithmetic!\n" );
}
if( (m_nMode & STREAM_WRITE) && !m_bSourceRead && aResult < nPos )
{
// it means that all the Source stream was copied already
// but the required position still was not reached
// for writable streams it should be done
m_pStream->SetStreamSize( nPos );
aResult = m_pStream->Seek( STREAM_SEEK_TO_END );
DBG_ASSERT( aResult == nPos, "Error in stream arithmetic!\n" );
}
}
}
}
return aResult;
}
void UCBStorageStream_Impl::SetSize( sal_uLong nSize )
{
if ( !(m_nMode & STREAM_WRITE) )
{
SetError( ERRCODE_IO_ACCESSDENIED );
return;
}
if( !Init() )
return;
m_bModified = sal_True;
if( m_bSourceRead )
{
sal_uLong aPos = m_pStream->Tell();
m_pStream->Seek( STREAM_SEEK_TO_END );
if( m_pStream->Tell() < nSize )
ReadSourceWriteTemporary( nSize - m_pStream->Tell() );
m_pStream->Seek( aPos );
}
m_pStream->SetStreamSize( nSize );
m_bSourceRead = sal_False;
}
void UCBStorageStream_Impl::FlushData()
{
if( m_pStream )
{
CopySourceToTemporary();
m_pStream->Flush();
}
m_bCommited = sal_True;
}
void UCBStorageStream_Impl::SetError( sal_uInt32 nErr )
{
if ( !m_nError )
{
m_nError = nErr;
SvStream::SetError( nErr );
if ( m_pAntiImpl ) m_pAntiImpl->SetError( nErr );
}
}
void UCBStorageStream_Impl::ResetError()
{
m_nError = 0;
SvStream::ResetError();
if ( m_pAntiImpl )
m_pAntiImpl->ResetError();
}
sal_uLong UCBStorageStream_Impl::GetSize()
{
if( !Init() )
return 0;
sal_uLong nPos = m_pStream->Tell();
m_pStream->Seek( STREAM_SEEK_TO_END );
ReadSourceWriteTemporary();
sal_uLong nRet = m_pStream->Tell();
m_pStream->Seek( nPos );
return nRet;
}
BaseStorage* UCBStorageStream_Impl::CreateStorage()
{
// create an OLEStorage on a SvStream ( = this )
// it gets the root attribute because otherwise it would probably not write before my root is commited
UCBStorageStream* pNewStorageStream = new UCBStorageStream( this );
Storage *pStorage = new Storage( *pNewStorageStream, m_bDirect );
// GetError() call cleares error code for OLE storages, must be changed in future
long nTmpErr = pStorage->GetError();
pStorage->SetError( nTmpErr );
m_bIsOLEStorage = !nTmpErr;
return static_cast< BaseStorage* > ( pStorage );
}
sal_Int16 UCBStorageStream_Impl::Commit()
{
// send stream to the original content
// the parent storage is responsible for the correct handling of deleted contents
if ( m_bCommited || m_bIsOLEStorage || m_bDirect )
{
// modified streams with OLEStorages on it have autocommit; it is assumed that the OLEStorage
// was commited as well ( if not opened in direct mode )
if ( m_bModified )
{
try
{
CopySourceToTemporary();
// release all stream handles
Free();
// the temporary file does not exist only for truncated streams
DBG_ASSERT( m_aTempURL.Len() || ( m_nMode & STREAM_TRUNC ), "No temporary file to read from!");
if ( !m_aTempURL.Len() && !( m_nMode & STREAM_TRUNC ) )
throw RuntimeException();
// create wrapper to stream that is only used while reading inside package component
Reference < XInputStream > xStream = new FileStreamWrapper_Impl( m_aTempURL );
Any aAny;
InsertCommandArgument aArg;
aArg.Data = xStream;
aArg.ReplaceExisting = sal_True;
aAny <<= aArg;
m_pContent->executeCommand( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("insert")), aAny );
// wrapper now controls lifetime of temporary file
m_aTempURL.Erase();
INetURLObject aObj( m_aURL );
aObj.SetName( m_aName );
m_aURL = aObj.GetMainURL( INetURLObject::NO_DECODE );
m_bModified = sal_False;
m_bSourceRead = sal_True;
}
catch ( CommandAbortedException& )
{
// any command wasn't executed successfully - not specified
SetError( ERRCODE_IO_GENERAL );
return COMMIT_RESULT_FAILURE;
}
catch ( RuntimeException& )
{
// any other error - not specified
SetError( ERRCODE_IO_GENERAL );
return COMMIT_RESULT_FAILURE;
}
catch ( Exception& )
{
// any other error - not specified
SetError( ERRCODE_IO_GENERAL );
return COMMIT_RESULT_FAILURE;
}
m_bCommited = sal_False;
return COMMIT_RESULT_SUCCESS;
}
}
return COMMIT_RESULT_NOTHING_TO_DO;
}
sal_Bool UCBStorageStream_Impl::Revert()
{
// if an OLEStorage is created on this stream, no "revert" is neccessary because OLEStorages do nothing on "Revert" !
if ( m_bCommited )
{
OSL_FAIL("Revert while commit is in progress!" );
return sal_False; // ???
}
Free();
if ( m_aTempURL.Len() )
{
::utl::UCBContentHelper::Kill( m_aTempURL );
m_aTempURL.Erase();
}
m_bSourceRead = sal_False;
try
{
m_rSource = m_pContent->openStream();
if( m_rSource.is() )
{
if ( m_pAntiImpl && ( m_nMode & STREAM_TRUNC ) )
// stream is in use and should be truncated
m_bSourceRead = sal_False;
else
{
m_nMode &= ~STREAM_TRUNC;
m_bSourceRead = sal_True;
}
}
else
SetError( SVSTREAM_CANNOT_MAKE );
}
catch ( ContentCreationException& )
{
SetError( ERRCODE_IO_GENERAL );
}
catch ( RuntimeException& )
{
SetError( ERRCODE_IO_GENERAL );
}
catch ( Exception& )
{
}
m_bModified = sal_False;
m_aName = m_aOriginalName;
m_aContentType = m_aOriginalContentType;
return ( GetError() == ERRCODE_NONE );
}
sal_Bool UCBStorageStream_Impl::Clear()
{
sal_Bool bRet = ( m_pAntiImpl == NULL );
DBG_ASSERT( bRet, "Removing used stream!" );
if( bRet )
{
Free();
}
return bRet;
}
void UCBStorageStream_Impl::Free()
{
#if OSL_DEBUG_LEVEL > 1
if ( m_pStream )
{
if ( m_aTempURL.Len() )
--nOpenFiles;
else
--nOpenStreams;
}
#endif
m_nRepresentMode = nonset;
m_rSource = Reference< XInputStream >();
DELETEZ( m_pStream );
}
void UCBStorageStream_Impl::PrepareCachedForReopen( StreamMode nMode )
{
sal_Bool isWritable = (( m_nMode & STREAM_WRITE ) != 0 );
if ( isWritable )
{
// once stream was writable, never reset to readonly
nMode |= STREAM_WRITE;
}
m_nMode = nMode;
Free();
if ( nMode & STREAM_TRUNC )
{
m_bSourceRead = 0; // usually it should be 0 already but just in case...
if ( m_aTempURL.Len() )
{
::utl::UCBContentHelper::Kill( m_aTempURL );
m_aTempURL.Erase();
}
}
}
UCBStorageStream::UCBStorageStream( const String& rName, StreamMode nMode, sal_Bool bDirect, const ByteString* pKey, sal_Bool bRepair, Reference< XProgressHandler > xProgress )
{
// pImp must be initialized in the body, because otherwise the vtable of the stream is not initialized
// to class UCBStorageStream !
pImp = new UCBStorageStream_Impl( rName, nMode, this, bDirect, pKey, bRepair, xProgress );
pImp->AddRef(); // use direct refcounting because in header file only a pointer should be used
StorageBase::m_nMode = pImp->m_nMode;
}
UCBStorageStream::UCBStorageStream( UCBStorageStream_Impl *pImpl )
: pImp( pImpl )
{
pImp->AddRef(); // use direct refcounting because in header file only a pointer should be used
pImp->m_pAntiImpl = this;
SetError( pImp->m_nError );
StorageBase::m_nMode = pImp->m_nMode;
}
UCBStorageStream::~UCBStorageStream()
{
if ( pImp->m_nMode & STREAM_WRITE )
pImp->Flush();
pImp->m_pAntiImpl = NULL;
pImp->Free();
pImp->ReleaseRef();
}
sal_uLong UCBStorageStream::Read( void * pData, sal_uLong nSize )
{
//return pImp->m_pStream->Read( pData, nSize );
return pImp->GetData( pData, nSize );
}
sal_uLong UCBStorageStream::Write( const void* pData, sal_uLong nSize )
{
/*
// mba: does occur in writer !
if ( pImp->m_bCommited )
{
OSL_FAIL("Writing while commit is in progress!" );
return 0;
}
*/
// pImp->m_bModified = sal_True;
//return pImp->m_pStream->Write( pData, nSize );
return pImp->PutData( pData, nSize );
}
sal_uLong UCBStorageStream::Seek( sal_uLong nPos )
{
//return pImp->m_pStream->Seek( nPos );
return pImp->Seek( nPos );
}
sal_uLong UCBStorageStream::Tell()
{
if( !pImp->Init() )
return 0;
return pImp->m_pStream->Tell();
}
void UCBStorageStream::Flush()
{
// streams are never really transacted, so flush also means commit !
Commit();
}
sal_Bool UCBStorageStream::SetSize( sal_uLong nNewSize )
{
/*
if ( pImp->m_bCommited )
{
OSL_FAIL("Changing stream size while commit is in progress!" );
return sal_False;
}
*/
// pImp->m_bModified = sal_True;
//return pImp->m_pStream->SetStreamSize( nNewSize );
pImp->SetSize( nNewSize );
return !pImp->GetError();
}
sal_Bool UCBStorageStream::Validate( sal_Bool bWrite ) const
{
return ( !bWrite || ( pImp->m_nMode & STREAM_WRITE ) );
}
sal_Bool UCBStorageStream::ValidateMode( StreamMode m ) const
{
// ???
if( m == ( STREAM_READ | STREAM_TRUNC ) ) // from stg.cxx
return sal_True;
sal_uInt16 nCurMode = 0xFFFF;
if( ( m & 3 ) == STREAM_READ )
{
// only SHARE_DENYWRITE or SHARE_DENYALL allowed
if( ( ( m & STREAM_SHARE_DENYWRITE )
&& ( nCurMode & STREAM_SHARE_DENYWRITE ) )
|| ( ( m & STREAM_SHARE_DENYALL )
&& ( nCurMode & STREAM_SHARE_DENYALL ) ) )
return sal_True;
}
else
{
// only SHARE_DENYALL allowed
// storages open in r/o mode are OK, since only
// the commit may fail
if( ( m & STREAM_SHARE_DENYALL )
&& ( nCurMode & STREAM_SHARE_DENYALL ) )
return sal_True;
}
return sal_True;
}
const SvStream* UCBStorageStream::GetSvStream() const
{
if( !pImp->Init() )
return NULL;
pImp->CopySourceToTemporary();
return pImp->m_pStream; // should not live longer then pImp!!!
}
SvStream* UCBStorageStream::GetModifySvStream()
{
return (SvStream*)pImp;
}
Reference< XInputStream > UCBStorageStream::GetXInputStream() const
{
return pImp->GetXInputStream();
}
sal_Bool UCBStorageStream::Equals( const BaseStorageStream& rStream ) const
{
// ???
return ((BaseStorageStream*) this ) == &rStream;
}
sal_Bool UCBStorageStream::Commit()
{
// mark this stream for sending it on root commit
pImp->FlushData();
return sal_True;
}
sal_Bool UCBStorageStream::Revert()
{
return pImp->Revert();
}
sal_Bool UCBStorageStream::CopyTo( BaseStorageStream* pDestStm )
{
if( !pImp->Init() )
return sal_False;
UCBStorageStream* pStg = PTR_CAST( UCBStorageStream, pDestStm );
if ( pStg )
pStg->pImp->m_aContentType = pImp->m_aContentType;
pDestStm->SetSize( 0 );
Seek( STREAM_SEEK_TO_END );
sal_Int32 n = Tell();
if( n < 0 )
return sal_False;
if( pDestStm->SetSize( n ) && n )
{
sal_uInt8* p = new sal_uInt8[ 4096 ];
Seek( 0L );
pDestStm->Seek( 0L );
while( n )
{
sal_uInt32 nn = n;
if( nn > 4096 )
nn = 4096;
if( Read( p, nn ) != nn )
break;
if( pDestStm->Write( p, nn ) != nn )
break;
n -= nn;
}
delete[] p;
}
return sal_True;
}
sal_Bool UCBStorageStream::SetProperty( const String& rName, const ::com::sun::star::uno::Any& rValue )
{
if ( rName.CompareToAscii("Title") == COMPARE_EQUAL )
return sal_False;
if ( rName.CompareToAscii("MediaType") == COMPARE_EQUAL )
{
::rtl::OUString aTmp;
rValue >>= aTmp;
pImp->m_aContentType = aTmp;
}
try
{
if ( pImp->m_pContent )
{
pImp->m_pContent->setPropertyValue( rName, rValue );
return sal_True;
}
}
catch ( Exception& )
{
}
return sal_False;
}
sal_Bool UCBStorageStream::GetProperty( const String& rName, ::com::sun::star::uno::Any& rValue )
{
try
{
if ( pImp->m_pContent )
{
rValue = pImp->m_pContent->getPropertyValue( rName );
return sal_True;
}
}
catch ( Exception& )
{
}
return sal_False;
}
UCBStorage::UCBStorage( SvStream& rStrm, sal_Bool bDirect )
{
String aURL = GetLinkedFile( rStrm );
if ( aURL.Len() )
{
StreamMode nMode = STREAM_READ;
if( rStrm.IsWritable() )
nMode = STREAM_READ | STREAM_WRITE;
::ucbhelper::Content aContent( aURL, Reference < XCommandEnvironment >() );
pImp = new UCBStorage_Impl( aContent, aURL, nMode, this, bDirect, sal_True );
}
else
{
// pImp must be initialized in the body, because otherwise the vtable of the stream is not initialized
// to class UCBStorage !
pImp = new UCBStorage_Impl( rStrm, this, bDirect );
}
pImp->AddRef();
pImp->Init();
StorageBase::m_nMode = pImp->m_nMode;
}
UCBStorage::UCBStorage( const ::ucbhelper::Content& rContent, const String& rName, StreamMode nMode, sal_Bool bDirect, sal_Bool bIsRoot )
{
// pImp must be initialized in the body, because otherwise the vtable of the stream is not initialized
// to class UCBStorage !
pImp = new UCBStorage_Impl( rContent, rName, nMode, this, bDirect, bIsRoot );
pImp->AddRef();
pImp->Init();
StorageBase::m_nMode = pImp->m_nMode;
}
UCBStorage::UCBStorage( const String& rName, StreamMode nMode, sal_Bool bDirect, sal_Bool bIsRoot, sal_Bool bIsRepair, Reference< XProgressHandler > xProgressHandler )
{
// pImp must be initialized in the body, because otherwise the vtable of the stream is not initialized
// to class UCBStorage !
pImp = new UCBStorage_Impl( rName, nMode, this, bDirect, bIsRoot, bIsRepair, xProgressHandler );
pImp->AddRef();
pImp->Init();
StorageBase::m_nMode = pImp->m_nMode;
}
UCBStorage::UCBStorage( const String& rName, StreamMode nMode, sal_Bool bDirect, sal_Bool bIsRoot )
{
// pImp must be initialized in the body, because otherwise the vtable of the stream is not initialized
// to class UCBStorage !
pImp = new UCBStorage_Impl( rName, nMode, this, bDirect, bIsRoot, sal_False, Reference< XProgressHandler >() );
pImp->AddRef();
pImp->Init();
StorageBase::m_nMode = pImp->m_nMode;
}
UCBStorage::UCBStorage( UCBStorage_Impl *pImpl )
: pImp( pImpl )
{
pImp->m_pAntiImpl = this;
SetError( pImp->m_nError );
pImp->AddRef(); // use direct refcounting because in header file only a pointer should be used
StorageBase::m_nMode = pImp->m_nMode;
}
UCBStorage::~UCBStorage()
{
if ( pImp->m_bIsRoot && pImp->m_bDirect && ( !pImp->m_pTempFile || pImp->m_pSource ) )
// DirectMode is simulated with an AutoCommit
Commit();
pImp->m_pAntiImpl = NULL;
pImp->ReleaseRef();
}
UCBStorage_Impl::UCBStorage_Impl( const ::ucbhelper::Content& rContent, const String& rName, StreamMode nMode, UCBStorage* pStorage, sal_Bool bDirect, sal_Bool bIsRoot, sal_Bool bIsRepair, Reference< XProgressHandler > xProgressHandler )
: m_pAntiImpl( pStorage )
, m_pContent( new ::ucbhelper::Content( rContent ) )
, m_pTempFile( NULL )
, m_pSource( NULL )
//, m_pStream( NULL )
, m_nError( 0 )
, m_nMode( nMode )
, m_bModified( sal_False )
, m_bCommited( sal_False )
, m_bDirect( bDirect )
, m_bIsRoot( bIsRoot )
, m_bDirty( sal_False )
, m_bIsLinked( sal_True )
, m_bListCreated( sal_False )
, m_nFormat( 0 )
, m_aClassId( SvGlobalName() )
, m_bRepairPackage( bIsRepair )
, m_xProgressHandler( xProgressHandler )
{
String aName( rName );
if( !aName.Len() )
{
// no name given = use temporary name!
DBG_ASSERT( m_bIsRoot, "SubStorage must have a name!" );
m_pTempFile = new ::utl::TempFile;
m_pTempFile->EnableKillingFile( sal_True );
m_aName = m_aOriginalName = aName = m_pTempFile->GetURL();
}
m_aURL = rName;
}
UCBStorage_Impl::UCBStorage_Impl( const String& rName, StreamMode nMode, UCBStorage* pStorage, sal_Bool bDirect, sal_Bool bIsRoot, sal_Bool bIsRepair, Reference< XProgressHandler > xProgressHandler )
: m_pAntiImpl( pStorage )
, m_pContent( NULL )
, m_pTempFile( NULL )
, m_pSource( NULL )
//, m_pStream( NULL )
, m_nError( 0 )
, m_nMode( nMode )
, m_bModified( sal_False )
, m_bCommited( sal_False )
, m_bDirect( bDirect )
, m_bIsRoot( bIsRoot )
, m_bDirty( sal_False )
, m_bIsLinked( sal_False )
, m_bListCreated( sal_False )
, m_nFormat( 0 )
, m_aClassId( SvGlobalName() )
, m_bRepairPackage( bIsRepair )
, m_xProgressHandler( xProgressHandler )
{
String aName( rName );
if( !aName.Len() )
{
// no name given = use temporary name!
DBG_ASSERT( m_bIsRoot, "SubStorage must have a name!" );
m_pTempFile = new ::utl::TempFile;
m_pTempFile->EnableKillingFile( sal_True );
m_aName = m_aOriginalName = aName = m_pTempFile->GetURL();
}
if ( m_bIsRoot )
{
// create the special package URL for the package content
String aTemp = String::CreateFromAscii("vnd.sun.star.pkg://");
aTemp += String(INetURLObject::encode( aName, INetURLObject::PART_AUTHORITY, '%', INetURLObject::ENCODE_ALL ));
m_aURL = aTemp;
if ( m_nMode & STREAM_WRITE )
{
// the root storage opens the package, so make sure that there is any
SvStream* pStream = ::utl::UcbStreamHelper::CreateStream( aName, STREAM_STD_READWRITE, m_pTempFile != 0 /* bFileExists */ );
delete pStream;
}
}
else
{
// substorages are opened like streams: the URL is a "child URL" of the root package URL
m_aURL = rName;
if ( m_aURL.CompareToAscii( "vnd.sun.star.pkg://", 19 ) != 0 )
m_bIsLinked = sal_True;
}
}
UCBStorage_Impl::UCBStorage_Impl( SvStream& rStream, UCBStorage* pStorage, sal_Bool bDirect )
: m_pAntiImpl( pStorage )
, m_pContent( NULL )
, m_pTempFile( new ::utl::TempFile )
, m_pSource( &rStream )
, m_nError( 0 )
, m_bModified( sal_False )
, m_bCommited( sal_False )
, m_bDirect( bDirect )
, m_bIsRoot( sal_True )
, m_bDirty( sal_False )
, m_bIsLinked( sal_False )
, m_bListCreated( sal_False )
, m_nFormat( 0 )
, m_aClassId( SvGlobalName() )
, m_bRepairPackage( sal_False )
{
// opening in direct mode is too fuzzy because the data is transferred to the stream in the Commit() call,
// which will be called in the storages' dtor
m_pTempFile->EnableKillingFile( sal_True );
DBG_ASSERT( !bDirect, "Storage on a stream must not be opened in direct mode!" );
// UCBStorages work on a content, so a temporary file for a content must be created, even if the stream is only
// accessed readonly
// the root storage opens the package; create the special package URL for the package content
String aTemp = String::CreateFromAscii("vnd.sun.star.pkg://");
aTemp += String(INetURLObject::encode( m_pTempFile->GetURL(), INetURLObject::PART_AUTHORITY, '%', INetURLObject::ENCODE_ALL ));
m_aURL = aTemp;
// copy data into the temporary file
SvStream* pStream = ::utl::UcbStreamHelper::CreateStream( m_pTempFile->GetURL(), STREAM_STD_READWRITE, sal_True /* bFileExists */ );
if ( pStream )
{
rStream.Seek(0);
rStream >> *pStream;
pStream->Flush();
DELETEZ( pStream );
}
// close stream and let content access the file
m_pSource->Seek(0);
// check opening mode
m_nMode = STREAM_READ;
if( rStream.IsWritable() )
m_nMode = STREAM_READ | STREAM_WRITE;
}
void UCBStorage_Impl::Init()
{
// name is last segment in URL
INetURLObject aObj( m_aURL );
if ( !m_aName.Len() )
// if the name was not already set to a temp name
m_aName = m_aOriginalName = aObj.GetLastName();
// don't create the content for disk spanned files, avoid too early access to directory and/or manifest
if ( !m_pContent && !( m_nMode & STORAGE_DISKSPANNED_MODE ) )
CreateContent();
if ( m_nMode & STORAGE_DISKSPANNED_MODE )
{
// Hack! Avoid access to the manifest file until mediatype is not available in the first segment of a
// disk spanned file
m_aContentType = m_aOriginalContentType = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("application/vnd.sun.xml.impress") );
}
else if ( m_pContent )
{
if ( m_bIsLinked )
{
if( m_bIsRoot )
{
ReadContent();
if ( m_nError == ERRCODE_NONE )
{
// read the manifest.xml file
aObj.Append( String( RTL_CONSTASCII_USTRINGPARAM("META-INF") ) );
aObj.Append( String( RTL_CONSTASCII_USTRINGPARAM("manifest.xml") ) );
// create input stream
SvStream* pStream = ::utl::UcbStreamHelper::CreateStream( aObj.GetMainURL( INetURLObject::NO_DECODE ), STREAM_STD_READ );
// no stream means no manifest.xml
if ( pStream )
{
if ( !pStream->GetError() )
{
::utl::OInputStreamWrapper* pHelper = new ::utl::OInputStreamWrapper( *pStream );
com::sun::star::uno::Reference < ::com::sun::star::io::XInputStream > xInputStream( pHelper );
// create a manifest reader object that will read in the manifest from the stream
Reference < ::com::sun::star::packages::manifest::XManifestReader > xReader =
Reference< ::com::sun::star::packages::manifest::XManifestReader >
( ::comphelper::getProcessServiceFactory()->createInstance(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.packages.manifest.ManifestReader"))), UNO_QUERY) ;
Sequence < Sequence < PropertyValue > > aProps = xReader->readManifestSequence( xInputStream );
// cleanup
xReader = NULL;
xInputStream = NULL;
SetProps( aProps, String() );
}
delete pStream;
}
}
}
else
ReadContent();
}
else
{
// get the manifest information from the package
try {
Any aAny = m_pContent->getPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("MediaType")) );
rtl::OUString aTmp;
if ( ( aAny >>= aTmp ) && aTmp.getLength() )
m_aContentType = m_aOriginalContentType = aTmp;
}
catch( Exception& )
{
DBG_ASSERT( sal_False,
"getPropertyValue has thrown an exception! Please let developers know the scenario!" );
}
}
}
if ( m_aContentType.Len() )
{
// get the clipboard format using the content type
::com::sun::star::datatransfer::DataFlavor aDataFlavor;
aDataFlavor.MimeType = m_aContentType;
m_nFormat = SotExchange::GetFormat( aDataFlavor );
// get the ClassId using the clipboard format ( internal table )
m_aClassId = GetClassId_Impl( m_nFormat );
// get human presentable name using the clipboard format
SotExchange::GetFormatDataFlavor( m_nFormat, aDataFlavor );
m_aUserTypeName = aDataFlavor.HumanPresentableName;
if( m_pContent && !m_bIsLinked && m_aClassId != SvGlobalName() )
ReadContent();
}
}
void UCBStorage_Impl::CreateContent()
{
try
{
// create content; where to put StreamMode ?! ( already done when opening the file of the package ? )
Reference< ::com::sun::star::ucb::XCommandEnvironment > xComEnv;
::rtl::OUString aTemp( m_aURL );
if ( m_bRepairPackage )
{
xComEnv = new ::ucbhelper::CommandEnvironment( Reference< ::com::sun::star::task::XInteractionHandler >(),
m_xProgressHandler );
aTemp += rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("?repairpackage"));
}
m_pContent = new ::ucbhelper::Content( aTemp, xComEnv );
}
catch ( ContentCreationException& )
{
// content could not be created
SetError( SVSTREAM_CANNOT_MAKE );
}
catch ( RuntimeException& )
{
// any other error - not specified
SetError( SVSTREAM_CANNOT_MAKE );
}
}
void UCBStorage_Impl::ReadContent()
{
if ( m_bListCreated )
return;
m_bListCreated = sal_True;
// create cursor for access to children
Sequence< ::rtl::OUString > aProps(4);
::rtl::OUString* pProps = aProps.getArray();
pProps[0] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Title"));
pProps[1] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IsFolder"));
pProps[2] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("MediaType"));
pProps[3] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Size"));
::ucbhelper::ResultSetInclude eInclude = ::ucbhelper::INCLUDE_FOLDERS_AND_DOCUMENTS;
try
{
GetContent();
if ( !m_pContent )
return;
Reference< XResultSet > xResultSet = m_pContent->createCursor( aProps, eInclude );
Reference< XContentAccess > xContentAccess( xResultSet, UNO_QUERY );
Reference< XRow > xRow( xResultSet, UNO_QUERY );
if ( xResultSet.is() )
{
while ( xResultSet->next() )
{
// insert all into the children list
::rtl::OUString aTitle( xRow->getString(1) );
::rtl::OUString aContentType;
if ( m_bIsLinked )
{
// unpacked storages have to deal with the meta-inf folder by themselves
if( aTitle.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("META-INF")) )
continue;
}
else
{
aContentType = xRow->getString(3);
}
sal_Bool bIsFolder( xRow->getBoolean(2) );
sal_Int64 nSize = xRow->getLong(4);
UCBStorageElement_Impl* pElement = new UCBStorageElement_Impl( aTitle, bIsFolder, (sal_uLong) nSize );
m_aChildrenList.push_back( pElement );
sal_Bool bIsOfficeDocument = m_bIsLinked || ( m_aClassId != SvGlobalName() );
if ( bIsFolder )
{
if ( m_bIsLinked )
OpenStorage( pElement, m_nMode, m_bDirect );
if ( pElement->m_xStorage.Is() )
pElement->m_xStorage->Init();
}
else if ( bIsOfficeDocument )
{
// streams can be external OLE objects, so they are now folders, but storages!
String aName( m_aURL );
aName += '/';
aName += String( xRow->getString(1) );
Reference< ::com::sun::star::ucb::XCommandEnvironment > xComEnv;
if ( m_bRepairPackage )
{
xComEnv = new ::ucbhelper::CommandEnvironment( Reference< ::com::sun::star::task::XInteractionHandler >(),
m_xProgressHandler );
aName += String( RTL_CONSTASCII_USTRINGPARAM( "?repairpackage" ) );
}
::ucbhelper::Content aContent( aName, xComEnv );
::rtl::OUString aMediaType;
Any aAny = aContent.getPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("MediaType")) );
if ( ( aAny >>= aMediaType ) && ( aMediaType.compareToAscii("application/vnd.sun.star.oleobject") == 0 ) )
pElement->m_bIsStorage = sal_True;
else if ( !aMediaType.getLength() )
{
// older files didn't have that special content type, so they must be detected
OpenStream( pElement, STREAM_STD_READ, m_bDirect );
if ( Storage::IsStorageFile( pElement->m_xStream ) )
pElement->m_bIsStorage = sal_True;
else
pElement->m_xStream->Free();
}
}
}
}
}
catch ( InteractiveIOException& r )
{
if ( r.Code != IOErrorCode_NOT_EXISTING )
SetError( ERRCODE_IO_GENERAL );
}
catch ( CommandAbortedException& )
{
// any command wasn't executed successfully - not specified
if ( !( m_nMode & STREAM_WRITE ) )
// if the folder was just inserted and not already commited, this is not an error!
SetError( ERRCODE_IO_GENERAL );
}
catch ( RuntimeException& )
{
// any other error - not specified
SetError( ERRCODE_IO_GENERAL );
}
catch ( ResultSetException& )
{
// means that the package file is broken
SetError( ERRCODE_IO_BROKENPACKAGE );
}
catch ( SQLException& )
{
// means that the file can be broken
SetError( ERRCODE_IO_WRONGFORMAT );
}
catch ( Exception& )
{
// any other error - not specified
SetError( ERRCODE_IO_GENERAL );
}
}
void UCBStorage_Impl::SetError( long nError )
{
if ( !m_nError )
{
m_nError = nError;
if ( m_pAntiImpl ) m_pAntiImpl->SetError( nError );
}
}
sal_Int32 UCBStorage_Impl::GetObjectCount()
{
sal_Int32 nCount = m_aChildrenList.size();
for ( size_t i = 0; i < m_aChildrenList.size(); ++i )
{
UCBStorageElement_Impl* pElement = m_aChildrenList[ i ];
DBG_ASSERT( !pElement->m_bIsFolder || pElement->m_xStorage.Is(), "Storage should be open!" );
if ( pElement->m_bIsFolder && pElement->m_xStorage.Is() )
nCount += pElement->m_xStorage->GetObjectCount();
}
return nCount;
}
::rtl::OUString Find_Impl( const Sequence < Sequence < PropertyValue > >& rSequence, const ::rtl::OUString& rPath )
{
sal_Bool bFound = sal_False;
for ( sal_Int32 nSeqs=0; nSeqs<rSequence.getLength(); nSeqs++ )
{
const Sequence < PropertyValue >& rMyProps = rSequence[nSeqs];
::rtl::OUString aType;
for ( sal_Int32 nProps=0; nProps<rMyProps.getLength(); nProps++ )
{
const PropertyValue& rAny = rMyProps[nProps];
if ( rAny.Name.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("FullPath")) )
{
rtl::OUString aTmp;
if ( ( rAny.Value >>= aTmp ) && aTmp == rPath )
bFound = sal_True;
if ( aType.getLength() )
break;
}
else if ( rAny.Name.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("MediaType")) )
{
if ( ( rAny.Value >>= aType ) && aType.getLength() && bFound )
break;
}
}
if ( bFound )
return aType;
}
return ::rtl::OUString();
}
void UCBStorage_Impl::SetProps( const Sequence < Sequence < PropertyValue > >& rSequence, const String& rPath )
{
String aPath( rPath );
if ( !m_bIsRoot )
aPath += m_aName;
aPath += '/';
m_aContentType = m_aOriginalContentType = Find_Impl( rSequence, aPath );
if ( m_bIsRoot )
// the "FullPath" of a child always starts without '/'
aPath.Erase();
for ( size_t i = 0; i < m_aChildrenList.size(); ++i )
{
UCBStorageElement_Impl* pElement = m_aChildrenList[ i ];
DBG_ASSERT( !pElement->m_bIsFolder || pElement->m_xStorage.Is(), "Storage should be open!" );
if ( pElement->m_bIsFolder && pElement->m_xStorage.Is() )
pElement->m_xStorage->SetProps( rSequence, aPath );
else
{
String aElementPath( aPath );
aElementPath += pElement->m_aName;
pElement->SetContentType( Find_Impl( rSequence, aElementPath ) );
}
}
if ( m_aContentType.Len() )
{
// get the clipboard format using the content type
::com::sun::star::datatransfer::DataFlavor aDataFlavor;
aDataFlavor.MimeType = m_aContentType;
m_nFormat = SotExchange::GetFormat( aDataFlavor );
// get the ClassId using the clipboard format ( internal table )
m_aClassId = GetClassId_Impl( m_nFormat );
// get human presentable name using the clipboard format
SotExchange::GetFormatDataFlavor( m_nFormat, aDataFlavor );
m_aUserTypeName = aDataFlavor.HumanPresentableName;
}
}
void UCBStorage_Impl::GetProps( sal_Int32& nProps, Sequence < Sequence < PropertyValue > >& rSequence, const String& rPath )
{
// first my own properties
Sequence < PropertyValue > aProps(2);
// first property is the "FullPath" name
// it's '/' for the root storage and m_aName for each element, followed by a '/' if it's a folder
String aPath( rPath );
if ( !m_bIsRoot )
aPath += m_aName;
aPath += '/';
aProps[0].Name = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("MediaType"));
aProps[0].Value <<= (::rtl::OUString ) m_aContentType;
aProps[1].Name = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("FullPath"));
aProps[1].Value <<= (::rtl::OUString ) aPath;
rSequence[ nProps++ ] = aProps;
if ( m_bIsRoot )
// the "FullPath" of a child always starts without '/'
aPath.Erase();
// now the properties of my elements
for ( size_t i = 0; i < m_aChildrenList.size(); ++i )
{
UCBStorageElement_Impl* pElement = m_aChildrenList[ i ];
DBG_ASSERT( !pElement->m_bIsFolder || pElement->m_xStorage.Is(), "Storage should be open!" );
if ( pElement->m_bIsFolder && pElement->m_xStorage.Is() )
// storages add there properties by themselves ( see above )
pElement->m_xStorage->GetProps( nProps, rSequence, aPath );
else
{
// properties of streams
String aElementPath( aPath );
aElementPath += pElement->m_aName;
aProps[0].Name = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("MediaType"));
aProps[0].Value <<= (::rtl::OUString ) pElement->GetContentType();
aProps[1].Name = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("FullPath"));
aProps[1].Value <<= (::rtl::OUString ) aElementPath;
rSequence[ nProps++ ] = aProps;
}
}
}
UCBStorage_Impl::~UCBStorage_Impl()
{
// first delete elements!
for ( size_t i = 0, n = m_aChildrenList.size(); i < n; ++i )
delete m_aChildrenList[ i ];
m_aChildrenList.clear();
delete m_pContent;
delete m_pTempFile;
}
sal_Bool UCBStorage_Impl::Insert( ::ucbhelper::Content *pContent )
{
// a new substorage is inserted into a UCBStorage ( given by the parameter pContent )
// it must be inserted with a title and a type
sal_Bool bRet = sal_False;
try
{
Sequence< ContentInfo > aInfo = pContent->queryCreatableContentsInfo();
sal_Int32 nCount = aInfo.getLength();
if ( nCount == 0 )
return sal_False;
for ( sal_Int32 i = 0; i < nCount; ++i )
{
// Simply look for the first KIND_FOLDER...
const ContentInfo & rCurr = aInfo[i];
if ( rCurr.Attributes & ContentInfoAttribute::KIND_FOLDER )
{
// Make sure the only required bootstrap property is "Title",
const Sequence< Property > & rProps = rCurr.Properties;
if ( rProps.getLength() != 1 )
continue;
if ( !rProps[ 0 ].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "Title" ) ) )
continue;
Sequence < ::rtl::OUString > aNames(1);
::rtl::OUString* pNames = aNames.getArray();
pNames[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Title" ) );
Sequence < Any > aValues(1);
Any* pValues = aValues.getArray();
pValues[0] = makeAny( ::rtl::OUString( m_aName ) );
Content aNewFolder;
if ( !pContent->insertNewContent( rCurr.Type, aNames, aValues, aNewFolder ) )
continue;
// remove old content, create an "empty" new one and initialize it with the new inserted
DELETEZ( m_pContent );
m_pContent = new ::ucbhelper::Content( aNewFolder );
bRet = sal_True;
}
}
}
catch ( CommandAbortedException& )
{
// any command wasn't executed successfully - not specified
SetError( ERRCODE_IO_GENERAL );
}
catch ( RuntimeException& )
{
// any other error - not specified
SetError( ERRCODE_IO_GENERAL );
}
catch ( Exception& )
{
// any other error - not specified
SetError( ERRCODE_IO_GENERAL );
}
return bRet;
}
sal_Int16 UCBStorage_Impl::Commit()
{
// send all changes to the package
sal_Int16 nRet = COMMIT_RESULT_NOTHING_TO_DO;
// there is nothing to do if the storage has been opened readonly or if it was opened in transacted mode and no
// commit command has been sent
if ( ( m_nMode & STREAM_WRITE ) && ( m_bCommited || m_bDirect ) )
{
try
{
// all errors will be caught in the "catch" statement outside the loop
for ( size_t i = 0; i < m_aChildrenList.size() && nRet; ++i )
{
UCBStorageElement_Impl* pElement = m_aChildrenList[ i ];
::ucbhelper::Content* pContent = pElement->GetContent();
sal_Bool bDeleteContent = sal_False;
if ( !pContent && pElement->IsModified() )
{
// if the element has never been opened, no content has been created until now
bDeleteContent = sal_True; // remember to delete it later
String aName( m_aURL );
aName += '/';
aName += pElement->m_aOriginalName;
pContent = new ::ucbhelper::Content( aName, Reference< ::com::sun::star::ucb::XCommandEnvironment > () );
}
if ( pElement->m_bIsRemoved )
{
// was it inserted, then removed (so there would be nothing to do!)
if ( !pElement->m_bIsInserted )
{
// first remove all open stream handles
if( !pElement->m_xStream.Is() || pElement->m_xStream->Clear() )
{
pContent->executeCommand( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("delete")), makeAny( sal_Bool( sal_True ) ) );
nRet = COMMIT_RESULT_SUCCESS;
}
else
// couldn't release stream because there are external references to it
nRet = COMMIT_RESULT_FAILURE;
}
}
else
{
sal_Int16 nLocalRet = COMMIT_RESULT_NOTHING_TO_DO;
if ( pElement->m_xStorage.Is() )
{
// element is a storage
// do a commit in the following cases:
// - if storage is already inserted, and changed
// - storage is not in a package
// - it's a new storage, try to insert and commit if successful inserted
if ( !pElement->m_bIsInserted || m_bIsLinked || pElement->m_xStorage->Insert( m_pContent ) )
{
nLocalRet = pElement->m_xStorage->Commit();
pContent = pElement->GetContent();
}
}
else if ( pElement->m_xStream.Is() )
{
// element is a stream
nLocalRet = pElement->m_xStream->Commit();
if ( pElement->m_xStream->m_bIsOLEStorage )
{
// OLE storage should be stored encrytped, if the storage uses encryption
pElement->m_xStream->m_aContentType = String::CreateFromAscii("application/vnd.sun.star.oleobject");
Any aValue;
aValue <<= (sal_Bool) sal_True;
pElement->m_xStream->m_pContent->setPropertyValue(String::CreateFromAscii("Encrypted"), aValue );
}
pContent = pElement->GetContent();
}
if ( pElement->m_aName != pElement->m_aOriginalName )
{
// name ( title ) of the element was changed
nLocalRet = COMMIT_RESULT_SUCCESS;
Any aAny;
aAny <<= (rtl::OUString) pElement->m_aName;
pContent->setPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Title")), aAny );
}
if ( pElement->IsLoaded() && pElement->GetContentType() != pElement->GetOriginalContentType() )
{
// mediatype of the element was changed
nLocalRet = COMMIT_RESULT_SUCCESS;
Any aAny;
aAny <<= (rtl::OUString) pElement->GetContentType();
pContent->setPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("MediaType")), aAny );
}
if ( nLocalRet != COMMIT_RESULT_NOTHING_TO_DO )
nRet = nLocalRet;
}
if ( bDeleteContent )
// content was created inside the loop
delete pContent;
if ( nRet == COMMIT_RESULT_FAILURE )
break;
}
}
catch ( ContentCreationException& )
{
// content could not be created
SetError( ERRCODE_IO_NOTEXISTS );
return COMMIT_RESULT_FAILURE;
}
catch ( CommandAbortedException& )
{
// any command wasn't executed successfully - not specified
SetError( ERRCODE_IO_GENERAL );
return COMMIT_RESULT_FAILURE;
}
catch ( RuntimeException& )
{
// any other error - not specified
SetError( ERRCODE_IO_GENERAL );
return COMMIT_RESULT_FAILURE;
}
catch ( Exception& )
{
// any other error - not specified
SetError( ERRCODE_IO_GENERAL );
return COMMIT_RESULT_FAILURE;
}
if ( m_bIsRoot && m_pContent )
{
// the root storage must flush the root package content
if ( nRet == COMMIT_RESULT_SUCCESS )
{
try
{
// commit the media type to the JAR file
// clipboard format and ClassId will be retrieved from the media type when the file is loaded again
Any aType;
aType <<= (rtl::OUString) m_aContentType;
m_pContent->setPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("MediaType")), aType );
if ( m_bIsLinked )
{
// write a manifest file
// first create a subfolder "META-inf"
Content aNewSubFolder;
sal_Bool bRet = ::utl::UCBContentHelper::MakeFolder( *m_pContent, String::CreateFromAscii("META-INF"), aNewSubFolder );
if ( bRet )
{
// create a stream to write the manifest file - use a temp file
String aURL( aNewSubFolder.getURL() );
::utl::TempFile* pTempFile = new ::utl::TempFile( &aURL );
// get the stream from the temp file and create an output stream wrapper
SvStream* pStream = pTempFile->GetStream( STREAM_STD_READWRITE );
::utl::OOutputStreamWrapper* pHelper = new ::utl::OOutputStreamWrapper( *pStream );
com::sun::star::uno::Reference < ::com::sun::star::io::XOutputStream > xOutputStream( pHelper );
// create a manifest writer object that will fill the stream
Reference < ::com::sun::star::packages::manifest::XManifestWriter > xWriter =
Reference< ::com::sun::star::packages::manifest::XManifestWriter >
( ::comphelper::getProcessServiceFactory()->createInstance(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.packages.manifest.ManifestWriter"))), UNO_QUERY) ;
sal_Int32 nCount = GetObjectCount() + 1;
Sequence < Sequence < PropertyValue > > aProps( nCount );
sal_Int32 nProps = 0;
GetProps( nProps, aProps, String() );
xWriter->writeManifestSequence( xOutputStream, aProps );
// move the stream to its desired location
Content aSource( pTempFile->GetURL(), Reference < XCommandEnvironment >() );
xWriter = NULL;
xOutputStream = NULL;
DELETEZ( pTempFile );
aNewSubFolder.transferContent( aSource, InsertOperation_MOVE, ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("manifest.xml")), NameClash::OVERWRITE );
}
}
else
{
#if OSL_DEBUG_LEVEL > 1
fprintf ( stderr, "Files: %i\n", nOpenFiles );
fprintf ( stderr, "Streams: %i\n", nOpenStreams );
#endif
// force writing
Any aAny;
m_pContent->executeCommand( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("flush")), aAny );
if ( m_pSource != 0 )
{
SvStream* pStream = ::utl::UcbStreamHelper::CreateStream( m_pTempFile->GetURL(), STREAM_STD_READ );
m_pSource->SetStreamSize(0);
// m_pSource->Seek(0);
*pStream >> *m_pSource;
DELETEZ( pStream );
m_pSource->Seek(0);
}
}
}
catch ( CommandAbortedException& )
{
// how to tell the content : forget all changes ?!
// or should we assume that the content does it by itself because he throwed an exception ?!
// any command wasn't executed successfully - not specified
SetError( ERRCODE_IO_GENERAL );
return COMMIT_RESULT_FAILURE;
}
catch ( RuntimeException& )
{
// how to tell the content : forget all changes ?!
// or should we assume that the content does it by itself because he throwed an exception ?!
// any other error - not specified
SetError( ERRCODE_IO_GENERAL );
return COMMIT_RESULT_FAILURE;
}
catch ( InteractiveIOException& r )
{
if ( r.Code == IOErrorCode_ACCESS_DENIED || r.Code == IOErrorCode_LOCKING_VIOLATION )
SetError( ERRCODE_IO_ACCESSDENIED );
else if ( r.Code == IOErrorCode_NOT_EXISTING )
SetError( ERRCODE_IO_NOTEXISTS );
else if ( r.Code == IOErrorCode_CANT_READ )
SetError( ERRCODE_IO_CANTREAD );
else if ( r.Code == IOErrorCode_CANT_WRITE )
SetError( ERRCODE_IO_CANTWRITE );
else
SetError( ERRCODE_IO_GENERAL );
return COMMIT_RESULT_FAILURE;
}
catch ( Exception& )
{
// how to tell the content : forget all changes ?!
// or should we assume that the content does it by itself because he throwed an exception ?!
// any other error - not specified
SetError( ERRCODE_IO_GENERAL );
return COMMIT_RESULT_FAILURE;
}
}
else if ( nRet != COMMIT_RESULT_NOTHING_TO_DO )
{
// how to tell the content : forget all changes ?! Should we ?!
SetError( ERRCODE_IO_GENERAL );
return nRet;
}
// after successfull root commit all elements names and types are adjusted and all removed elements
// are also removed from the lists
for ( size_t i = 0; i < m_aChildrenList.size(); )
{
UCBStorageElement_Impl* pInnerElement = m_aChildrenList[ i ];
if ( pInnerElement->m_bIsRemoved )
{
UCBStorageElementList_Impl::iterator it = m_aChildrenList.begin();
::std::advance( it, i );
delete *it;
m_aChildrenList.erase( it );
}
else
{
pInnerElement->m_aOriginalName = pInnerElement->m_aName;
pInnerElement->m_bIsInserted = sal_False;
++i;
}
}
}
m_bCommited = sal_False;
}
return nRet;
}
sal_Bool UCBStorage_Impl::Revert()
{
for ( size_t i = 0; i < m_aChildrenList.size(); )
{
UCBStorageElement_Impl* pElement = m_aChildrenList[ i ];
pElement->m_bIsRemoved = sal_False;
if ( pElement->m_bIsInserted )
{
UCBStorageElementList_Impl::iterator it = m_aChildrenList.begin();
::std::advance( it, i );
delete *it;
m_aChildrenList.erase( it );
}
else
{
if ( pElement->m_xStream.Is() )
{
pElement->m_xStream->m_bCommited = sal_False;
pElement->m_xStream->Revert();
}
else if ( pElement->m_xStorage.Is() )
{
pElement->m_xStorage->m_bCommited = sal_False;
pElement->m_xStorage->Revert();
}
pElement->m_aName = pElement->m_aOriginalName;
pElement->m_bIsRemoved = sal_False;
++i;
}
}
return sal_True;
}
const String& UCBStorage::GetName() const
{
return pImp->m_aName; // pImp->m_aURL ?!
}
sal_Bool UCBStorage::IsRoot() const
{
return pImp->m_bIsRoot;
}
void UCBStorage::SetDirty()
{
pImp->m_bDirty = sal_True;
}
void UCBStorage::SetClass( const SvGlobalName & rClass, sal_uLong nOriginalClipFormat, const String & rUserTypeName )
{
pImp->m_aClassId = rClass;
pImp->m_nFormat = nOriginalClipFormat;
pImp->m_aUserTypeName = rUserTypeName;
// in UCB storages only the content type will be stored, all other information can be reconstructed
// ( see the UCBStorage_Impl::Init() method )
::com::sun::star::datatransfer::DataFlavor aDataFlavor;
SotExchange::GetFormatDataFlavor( pImp->m_nFormat, aDataFlavor );
pImp->m_aContentType = aDataFlavor.MimeType;
}
void UCBStorage::SetClassId( const ClsId& rClsId )
{
pImp->m_aClassId = SvGlobalName( (const CLSID&) rClsId );
if ( pImp->m_aClassId == SvGlobalName() )
return;
// in OLE storages the clipboard format an the user name will be transferred when a storage is copied because both are
// stored in one the substreams
// UCB storages store the content type information as content type in the manifest file and so this information must be
// kept up to date, and also the other type information that is hold only at runtime because it can be reconstructed from
// the content type
pImp->m_nFormat = GetFormatId_Impl( pImp->m_aClassId );
if ( pImp->m_nFormat )
{
::com::sun::star::datatransfer::DataFlavor aDataFlavor;
SotExchange::GetFormatDataFlavor( pImp->m_nFormat, aDataFlavor );
pImp->m_aUserTypeName = aDataFlavor.HumanPresentableName;
pImp->m_aContentType = aDataFlavor.MimeType;
}
}
const ClsId& UCBStorage::GetClassId() const
{
return ( const ClsId& ) pImp->m_aClassId.GetCLSID();
}
void UCBStorage::SetConvertClass( const SvGlobalName & /*rConvertClass*/, sal_uLong /*nOriginalClipFormat*/, const String & /*rUserTypeName*/ )
{
// ???
}
sal_Bool UCBStorage::ShouldConvert()
{
// ???
return sal_False;
}
SvGlobalName UCBStorage::GetClassName()
{
return pImp->m_aClassId;
}
sal_uLong UCBStorage::GetFormat()
{
return pImp->m_nFormat;
}
String UCBStorage::GetUserName()
{
OSL_FAIL("UserName is not implemented in UCB storages!" );
return pImp->m_aUserTypeName;
}
void UCBStorage::FillInfoList( SvStorageInfoList* pList ) const
{
// put information in childrenlist into StorageInfoList
for ( size_t i = 0; i < pImp->GetChildrenList().size(); ++i )
{
UCBStorageElement_Impl* pElement = pImp->GetChildrenList()[ i ];
if ( !pElement->m_bIsRemoved )
{
// problem: what about the size of a substorage ?!
sal_uLong nSize = pElement->m_nSize;
if ( pElement->m_xStream.Is() )
nSize = pElement->m_xStream->GetSize();
SvStorageInfo aInfo( pElement->m_aName, nSize, pElement->m_bIsStorage );
pList->push_back( aInfo );
}
}
}
sal_Bool UCBStorage::CopyStorageElement_Impl( UCBStorageElement_Impl& rElement, BaseStorage* pDest, const String& rNew ) const
{
// insert stream or storage into the list or stream of the destination storage
// not into the content, this will be done on commit !
// be aware of name changes !
if ( !rElement.m_bIsStorage )
{
// copy the streams data
// the destination stream must not be open
BaseStorageStream* pOtherStream = pDest->OpenStream( rNew, STREAM_WRITE | STREAM_SHARE_DENYALL, pImp->m_bDirect );
BaseStorageStream* pStream = NULL;
sal_Bool bDeleteStream = sal_False;
// if stream is already open, it is allowed to copy it, so be aware of this
if ( rElement.m_xStream.Is() )
pStream = rElement.m_xStream->m_pAntiImpl;
if ( !pStream )
{
pStream = ( const_cast < UCBStorage* > (this) )->OpenStream( rElement.m_aName, STREAM_STD_READ, pImp->m_bDirect );
bDeleteStream = sal_True;
}
pStream->CopyTo( pOtherStream );
SetError( pStream->GetError() );
if( pOtherStream->GetError() )
pDest->SetError( pOtherStream->GetError() );
else
pOtherStream->Commit();
if ( bDeleteStream )
delete pStream;
delete pOtherStream;
}
else
{
// copy the storage content
// the destination storage must not be open
BaseStorage* pStorage = NULL;
// if stream is already open, it is allowed to copy it, so be aware of this
sal_Bool bDeleteStorage = sal_False;
if ( rElement.m_xStorage.Is() )
pStorage = rElement.m_xStorage->m_pAntiImpl;
if ( !pStorage )
{
pStorage = ( const_cast < UCBStorage* > (this) )->OpenStorage( rElement.m_aName, pImp->m_nMode, pImp->m_bDirect );
bDeleteStorage = sal_True;
}
UCBStorage* pUCBDest = PTR_CAST( UCBStorage, pDest );
UCBStorage* pUCBCopy = PTR_CAST( UCBStorage, pStorage );
sal_Bool bOpenUCBStorage = pUCBDest && pUCBCopy;
BaseStorage* pOtherStorage = bOpenUCBStorage ?
pDest->OpenUCBStorage( rNew, STREAM_WRITE | STREAM_SHARE_DENYALL, pImp->m_bDirect ) :
pDest->OpenOLEStorage( rNew, STREAM_WRITE | STREAM_SHARE_DENYALL, pImp->m_bDirect );
// For UCB storages, the class id and the format id may differ,
// do passing the class id is not sufficient.
if( bOpenUCBStorage )
pOtherStorage->SetClass( pStorage->GetClassName(),
pStorage->GetFormat(),
pUCBCopy->pImp->m_aUserTypeName );
else
pOtherStorage->SetClassId( pStorage->GetClassId() );
pStorage->CopyTo( pOtherStorage );
SetError( pStorage->GetError() );
if( pOtherStorage->GetError() )
pDest->SetError( pOtherStorage->GetError() );
else
pOtherStorage->Commit();
if ( bDeleteStorage )
delete pStorage;
delete pOtherStorage;
}
return sal_Bool( Good() && pDest->Good() );
}
UCBStorageElement_Impl* UCBStorage::FindElement_Impl( const String& rName ) const
{
DBG_ASSERT( rName.Len(), "Name is empty!" );
for ( size_t i = 0, n = pImp->GetChildrenList().size(); i < n; ++i )
{
UCBStorageElement_Impl* pElement = pImp->GetChildrenList()[ i ];
if ( pElement->m_aName == rName && !pElement->m_bIsRemoved )
return pElement;
}
return NULL;
}
sal_Bool UCBStorage::CopyTo( BaseStorage* pDestStg ) const
{
DBG_ASSERT( pDestStg != ((BaseStorage*)this), "Self-Copying is not possible!" );
if ( pDestStg == ((BaseStorage*)this) )
return sal_False;
// perhaps it's also a problem if one storage is a parent of the other ?!
// or if not: could be optimized ?!
// For UCB storages, the class id and the format id may differ,
// do passing the class id is not sufficient.
if( pDestStg->ISA( UCBStorage ) )
pDestStg->SetClass( pImp->m_aClassId, pImp->m_nFormat,
pImp->m_aUserTypeName );
else
pDestStg->SetClassId( GetClassId() );
pDestStg->SetDirty();
sal_Bool bRet = sal_True;
for ( size_t i = 0; i < pImp->GetChildrenList().size() && bRet; ++i )
{
UCBStorageElement_Impl* pElement = pImp->GetChildrenList()[ i ];
if ( !pElement->m_bIsRemoved )
bRet = CopyStorageElement_Impl( *pElement, pDestStg, pElement->m_aName );
}
if( !bRet )
SetError( pDestStg->GetError() );
return sal_Bool( Good() && pDestStg->Good() );
}
sal_Bool UCBStorage::CopyTo( const String& rElemName, BaseStorage* pDest, const String& rNew )
{
if( !rElemName.Len() )
return sal_False;
if ( pDest == ((BaseStorage*) this) )
{
// can't double an element
return sal_False;
}
else
{
// for copying no optimization is usefull, because in every case the stream data must be copied
UCBStorageElement_Impl* pElement = FindElement_Impl( rElemName );
if ( pElement )
return CopyStorageElement_Impl( *pElement, pDest, rNew );
else
{
SetError( SVSTREAM_FILE_NOT_FOUND );
return sal_False;
}
}
}
sal_Bool UCBStorage::Commit()
{
// mark this storage for sending it on root commit
pImp->m_bCommited = sal_True;
if ( pImp->m_bIsRoot )
// the root storage coordinates commiting by sending a Commit command to its content
return ( pImp->Commit() != COMMIT_RESULT_FAILURE );
else
return sal_True;
}
sal_Bool UCBStorage::Revert()
{
return pImp->Revert();
}
BaseStorageStream* UCBStorage::OpenStream( const String& rEleName, StreamMode nMode, sal_Bool bDirect, const ByteString* pKey )
{
if( !rEleName.Len() )
return NULL;
// try to find the storage element
UCBStorageElement_Impl *pElement = FindElement_Impl( rEleName );
if ( !pElement )
{
// element does not exist, check if creation is allowed
if( ( nMode & STREAM_NOCREATE ) )
{
SetError( ( nMode & STREAM_WRITE ) ? SVSTREAM_CANNOT_MAKE : SVSTREAM_FILE_NOT_FOUND );
String aName( pImp->m_aURL );
aName += '/';
aName += rEleName;
UCBStorageStream* pStream = new UCBStorageStream( aName, nMode, bDirect, pKey, pImp->m_bRepairPackage, pImp->m_xProgressHandler );
pStream->SetError( GetError() );
pStream->pImp->m_aName = rEleName;
return pStream;
}
else
{
// create a new UCBStorageElement and insert it into the list
pElement = new UCBStorageElement_Impl( rEleName );
pElement->m_bIsInserted = sal_True;
pImp->m_aChildrenList.push_back( pElement );
}
}
if ( pElement && !pElement->m_bIsFolder )
{
// check if stream is already created
if ( pElement->m_xStream.Is() )
{
// stream has already been created; if it has no external reference, it may be opened another time
if ( pElement->m_xStream->m_pAntiImpl )
{
OSL_FAIL("Stream is already open!" );
SetError( SVSTREAM_ACCESS_DENIED ); // ???
return NULL;
}
else
{
// check if stream is opened with the same keyword as before
// if not, generate a new stream because it could be encrypted vs. decrypted!
ByteString aKey;
if ( pKey )
aKey = *pKey;
if ( pElement->m_xStream->m_aKey == aKey )
{
pElement->m_xStream->PrepareCachedForReopen( nMode );
return new UCBStorageStream( pElement->m_xStream );
}
}
}
// stream is opened the first time
pImp->OpenStream( pElement, nMode, bDirect, pKey );
// if name has been changed before creating the stream: set name!
pElement->m_xStream->m_aName = rEleName;
return new UCBStorageStream( pElement->m_xStream );
}
return NULL;
}
UCBStorageStream_Impl* UCBStorage_Impl::OpenStream( UCBStorageElement_Impl* pElement, StreamMode nMode, sal_Bool bDirect, const ByteString* pKey )
{
String aName( m_aURL );
aName += '/';
aName += pElement->m_aOriginalName;
pElement->m_xStream = new UCBStorageStream_Impl( aName, nMode, NULL, bDirect, pKey, m_bRepairPackage, m_xProgressHandler );
return pElement->m_xStream;
}
BaseStorage* UCBStorage::OpenUCBStorage( const String& rEleName, StreamMode nMode, sal_Bool bDirect )
{
if( !rEleName.Len() )
return NULL;
return OpenStorage_Impl( rEleName, nMode, bDirect, sal_True );
}
BaseStorage* UCBStorage::OpenOLEStorage( const String& rEleName, StreamMode nMode, sal_Bool bDirect )
{
if( !rEleName.Len() )
return NULL;
return OpenStorage_Impl( rEleName, nMode, bDirect, sal_False );
}
BaseStorage* UCBStorage::OpenStorage( const String& rEleName, StreamMode nMode, sal_Bool bDirect )
{
if( !rEleName.Len() )
return NULL;
return OpenStorage_Impl( rEleName, nMode, bDirect, sal_True );
}
BaseStorage* UCBStorage::OpenStorage_Impl( const String& rEleName, StreamMode nMode, sal_Bool bDirect, sal_Bool bForceUCBStorage )
{
// try to find the storage element
UCBStorageElement_Impl *pElement = FindElement_Impl( rEleName );
if ( !pElement )
{
// element does not exist, check if creation is allowed
if( ( nMode & STREAM_NOCREATE ) )
{
SetError( ( nMode & STREAM_WRITE ) ? SVSTREAM_CANNOT_MAKE : SVSTREAM_FILE_NOT_FOUND );
String aName( pImp->m_aURL );
aName += '/';
aName += rEleName; // ???
UCBStorage *pStorage = new UCBStorage( aName, nMode, bDirect, sal_False, pImp->m_bRepairPackage, pImp->m_xProgressHandler );
pStorage->pImp->m_bIsRoot = sal_False;
pStorage->pImp->m_bListCreated = sal_True; // the storage is pretty new, nothing to read
pStorage->SetError( GetError() );
return pStorage;
}
// create a new UCBStorageElement and insert it into the list
// problem: perhaps an OLEStorage should be created ?!
// Because nothing is known about the element that should be created, an external parameter is needed !
pElement = new UCBStorageElement_Impl( rEleName );
pElement->m_bIsInserted = sal_True;
pImp->m_aChildrenList.push_back( pElement );
}
if ( !pElement->m_bIsFolder && ( pElement->m_bIsStorage || !bForceUCBStorage ) )
{
// create OLE storages on a stream ( see ctor of SotStorage )
// Such a storage will be created on a UCBStorageStream; it will write into the stream
// if it is opened in direct mode or when it is committed. In this case the stream will be
// modified and then it MUST be treated as commited.
if ( !pElement->m_xStream.Is() )
{
BaseStorageStream* pStr = OpenStream( rEleName, nMode, bDirect );
UCBStorageStream* pStream = PTR_CAST( UCBStorageStream, pStr );
if ( !pStream )
{
SetError( ( nMode & STREAM_WRITE ) ? SVSTREAM_CANNOT_MAKE : SVSTREAM_FILE_NOT_FOUND );
return NULL;
}
pElement->m_xStream = pStream->pImp;
delete pStream;
}
pElement->m_xStream->PrepareCachedForReopen( nMode );
pElement->m_xStream->Init();
pElement->m_bIsStorage = sal_True;
return pElement->m_xStream->CreateStorage(); // can only be created in transacted mode
}
else if ( pElement->m_xStorage.Is() )
{
// storage has already been opened; if it has no external reference, it may be opened another time
if ( pElement->m_xStorage->m_pAntiImpl )
{
OSL_FAIL("Storage is already open!" );
SetError( SVSTREAM_ACCESS_DENIED ); // ???
}
else
{
sal_Bool bIsWritable = (( pElement->m_xStorage->m_nMode & STREAM_WRITE ) != 0);
if ( !bIsWritable && (( nMode & STREAM_WRITE ) != 0 ))
{
String aName( pImp->m_aURL );
aName += '/';
aName += pElement->m_aOriginalName;
UCBStorage* pStorage = new UCBStorage( aName, nMode, bDirect, sal_False, pImp->m_bRepairPackage, pImp->m_xProgressHandler );
pElement->m_xStorage = pStorage->pImp;
return pStorage;
}
else
{
return new UCBStorage( pElement->m_xStorage );
}
}
}
else if ( !pElement->m_xStream.Is() )
{
// storage is opened the first time
sal_Bool bIsWritable = (( pImp->m_nMode & STREAM_WRITE ) != 0 );
if ( pImp->m_bIsLinked && pImp->m_bIsRoot && bIsWritable )
{
// make sure that the root storage object has been created before substorages will be created
INetURLObject aFolderObj( pImp->m_aURL );
String aName = aFolderObj.GetName();
aFolderObj.removeSegment();
Content aFolder( aFolderObj.GetMainURL( INetURLObject::NO_DECODE ), Reference < XCommandEnvironment >() );
pImp->m_pContent = new Content;
sal_Bool bRet = ::utl::UCBContentHelper::MakeFolder( aFolder, pImp->m_aName, *pImp->m_pContent );
if ( !bRet )
{
SetError( SVSTREAM_CANNOT_MAKE );
return NULL;
}
}
UCBStorage_Impl* pStor = pImp->OpenStorage( pElement, nMode, bDirect );
if ( pStor )
{
if ( pElement->m_bIsInserted )
pStor->m_bListCreated = sal_True; // the storage is pretty new, nothing to read
return new UCBStorage( pStor );
}
}
return NULL;
}
UCBStorage_Impl* UCBStorage_Impl::OpenStorage( UCBStorageElement_Impl* pElement, StreamMode nMode, sal_Bool bDirect )
{
UCBStorage_Impl* pRet = NULL;
String aName( m_aURL );
aName += '/';
aName += pElement->m_aOriginalName; // ???
pElement->m_bIsStorage = pElement->m_bIsFolder = sal_True;
if ( m_bIsLinked && !::utl::UCBContentHelper::Exists( aName ) )
{
Content aNewFolder;
sal_Bool bRet = ::utl::UCBContentHelper::MakeFolder( *m_pContent, pElement->m_aOriginalName, aNewFolder );
if ( bRet )
pRet = new UCBStorage_Impl( aNewFolder, aName, nMode, NULL, bDirect, sal_False, m_bRepairPackage, m_xProgressHandler );
}
else
{
pRet = new UCBStorage_Impl( aName, nMode, NULL, bDirect, sal_False, m_bRepairPackage, m_xProgressHandler );
}
if ( pRet )
{
pRet->m_bIsLinked = m_bIsLinked;
pRet->m_bIsRoot = sal_False;
// if name has been changed before creating the stream: set name!
pRet->m_aName = pElement->m_aOriginalName;
pElement->m_xStorage = pRet;
}
if ( pRet )
pRet->Init();
return pRet;
}
sal_Bool UCBStorage::IsStorage( const String& rEleName ) const
{
if( !rEleName.Len() )
return sal_False;
const UCBStorageElement_Impl *pElement = FindElement_Impl( rEleName );
return ( pElement && pElement->m_bIsStorage );
}
sal_Bool UCBStorage::IsStream( const String& rEleName ) const
{
if( !rEleName.Len() )
return sal_False;
const UCBStorageElement_Impl *pElement = FindElement_Impl( rEleName );
return ( pElement && !pElement->m_bIsStorage );
}
sal_Bool UCBStorage::IsContained( const String & rEleName ) const
{
if( !rEleName.Len() )
return sal_False;
const UCBStorageElement_Impl *pElement = FindElement_Impl( rEleName );
return ( pElement != NULL );
}
sal_Bool UCBStorage::Remove( const String& rEleName )
{
if( !rEleName.Len() )
return sal_False;
UCBStorageElement_Impl *pElement = FindElement_Impl( rEleName );
if ( pElement )
{
pElement->m_bIsRemoved = sal_True;
}
else
SetError( SVSTREAM_FILE_NOT_FOUND );
return ( pElement != NULL );
}
sal_Bool UCBStorage::Rename( const String& rEleName, const String& rNewName )
{
if( !rEleName.Len()|| !rNewName.Len() )
return sal_False;
UCBStorageElement_Impl *pAlreadyExisting = FindElement_Impl( rNewName );
if ( pAlreadyExisting )
{
SetError( SVSTREAM_ACCESS_DENIED );
return sal_False; // can't change to a name that is already used
}
UCBStorageElement_Impl *pElement = FindElement_Impl( rEleName );
if ( pElement )
{
pElement->m_aName = rNewName;
}
else
SetError( SVSTREAM_FILE_NOT_FOUND );
return pElement != NULL;
}
sal_Bool UCBStorage::MoveTo( const String& rEleName, BaseStorage* pNewSt, const String& rNewName )
{
if( !rEleName.Len() || !rNewName.Len() )
return sal_False;
if ( pNewSt == ((BaseStorage*) this) && !FindElement_Impl( rNewName ) )
{
return Rename( rEleName, rNewName );
}
else
{
/*
if ( PTR_CAST( UCBStorage, pNewSt ) )
{
// because the element is moved, not copied, a special optimization is possible :
// first copy the UCBStorageElement; flag old element as "Removed" and new as "Inserted",
// clear original name/type of the new element
// if moved element is open: copy content, but change absolute URL ( and those of all children of the element! ),
// clear original name/type of new content, keep the old original stream/storage, but forget its working streams,
// close original UCBContent and original stream, only the TempFile and its stream may remain unchanged, but now
// belong to the new content
// if original and editable stream are identical ( readonly element ), it has to be copied to the editable
// stream of the destination object
// Not implemented at the moment ( risky?! ), perhaps later
}
*/
// MoveTo is done by first copying to the new destination and then removing the old element
sal_Bool bRet = CopyTo( rEleName, pNewSt, rNewName );
if ( bRet )
bRet = Remove( rEleName );
return bRet;
}
}
sal_Bool UCBStorage::ValidateFAT()
{
// ???
return sal_True;
}
sal_Bool UCBStorage::Validate( sal_Bool bWrite ) const
{
// ???
return ( !bWrite || ( pImp->m_nMode & STREAM_WRITE ) );
}
sal_Bool UCBStorage::ValidateMode( StreamMode m ) const
{
// ???
if( m == ( STREAM_READ | STREAM_TRUNC ) ) // from stg.cxx
return sal_True;
sal_uInt16 nCurMode = 0xFFFF;
if( ( m & 3 ) == STREAM_READ )
{
// only SHARE_DENYWRITE or SHARE_DENYALL allowed
if( ( ( m & STREAM_SHARE_DENYWRITE )
&& ( nCurMode & STREAM_SHARE_DENYWRITE ) )
|| ( ( m & STREAM_SHARE_DENYALL )
&& ( nCurMode & STREAM_SHARE_DENYALL ) ) )
return sal_True;
}
else
{
// only SHARE_DENYALL allowed
// storages open in r/o mode are OK, since only
// the commit may fail
if( ( m & STREAM_SHARE_DENYALL )
&& ( nCurMode & STREAM_SHARE_DENYALL ) )
return sal_True;
}
return sal_True;
}
const SvStream* UCBStorage::GetSvStream() const
{
// this would cause a complete download of the file
// as it looks, this method is NOT used inside of SOT, only exported by class SotStorage - but for what ???
return pImp->m_pSource;
}
sal_Bool UCBStorage::Equals( const BaseStorage& rStorage ) const
{
// ???
return ((BaseStorage*)this) == &rStorage;
}
sal_Bool UCBStorage::IsStorageFile( const String& rFileName )
{
String aFileURL = rFileName;
INetURLObject aObj( aFileURL );
if ( aObj.GetProtocol() == INET_PROT_NOT_VALID )
{
::utl::LocalFileHelper::ConvertPhysicalNameToURL( rFileName, aFileURL );
aObj.SetURL( aFileURL );
aFileURL = aObj.GetMainURL( INetURLObject::NO_DECODE );
}
SvStream * pStm = ::utl::UcbStreamHelper::CreateStream( aFileURL, STREAM_STD_READ );
sal_Bool bRet = UCBStorage::IsStorageFile( pStm );
delete pStm;
return bRet;
}
sal_Bool UCBStorage::IsStorageFile( SvStream* pFile )
{
if ( !pFile )
return sal_False;
sal_uLong nPos = pFile->Tell();
pFile->Seek( STREAM_SEEK_TO_END );
if ( pFile->Tell() < 4 )
return sal_False;
pFile->Seek(0);
sal_uInt32 nBytes(0);
*pFile >> nBytes;
// search for the magic bytes
sal_Bool bRet = ( nBytes == 0x04034b50 );
if ( !bRet )
{
// disk spanned file have an additional header in front of the usual one
bRet = ( nBytes == 0x08074b50 );
if ( bRet )
{
nBytes = 0;
*pFile >> nBytes;
bRet = ( nBytes == 0x04034b50 );
}
}
pFile->Seek( nPos );
return bRet;
}
sal_Bool UCBStorage::IsDiskSpannedFile( SvStream* pFile )
{
if ( !pFile )
return sal_False;
sal_uLong nPos = pFile->Tell();
pFile->Seek( STREAM_SEEK_TO_END );
if ( !pFile->Tell() )
return sal_False;
pFile->Seek(0);
sal_uInt32 nBytes;
*pFile >> nBytes;
// disk spanned file have an additional header in front of the usual one
sal_Bool bRet = ( nBytes == 0x08074b50 );
if ( bRet )
{
*pFile >> nBytes;
bRet = ( nBytes == 0x04034b50 );
}
pFile->Seek( nPos );
return bRet;
}
String UCBStorage::GetLinkedFile( SvStream &rStream )
{
String aString;
sal_uLong nPos = rStream.Tell();
rStream.Seek( STREAM_SEEK_TO_END );
if ( !rStream.Tell() )
return aString;
rStream.Seek(0);
sal_uInt32 nBytes;
rStream >> nBytes;
if( nBytes == 0x04034b50 )
{
ByteString aTmp;
rStream.ReadByteString( aTmp );
if ( aTmp.CompareTo( "ContentURL=", 11 ) == COMPARE_EQUAL )
{
aTmp.Erase( 0, 11 );
aString = String( aTmp, RTL_TEXTENCODING_UTF8 );
}
}
rStream.Seek( nPos );
return aString;
}
String UCBStorage::CreateLinkFile( const String& rName )
{
// create a stream to write the link file - use a temp file, because it may be no file content
INetURLObject aFolderObj( rName );
String aName = aFolderObj.GetName();
aFolderObj.removeSegment();
String aFolderURL( aFolderObj.GetMainURL( INetURLObject::NO_DECODE ) );
::utl::TempFile* pTempFile = new ::utl::TempFile( &aFolderURL );
// get the stream from the temp file
SvStream* pStream = pTempFile->GetStream( STREAM_STD_READWRITE | STREAM_TRUNC );
// write header
*pStream << ( sal_uInt32 ) 0x04034b50;
// assemble a new folder name in the destination folder
INetURLObject aObj( rName );
String aTmpName = aObj.GetName();
String aTitle = String::CreateFromAscii( "content." );
aTitle += aTmpName;
// create a folder and store its URL
Content aFolder( aFolderURL, Reference < XCommandEnvironment >() );
Content aNewFolder;
sal_Bool bRet = ::utl::UCBContentHelper::MakeFolder( aFolder, aTitle, aNewFolder );
if ( !bRet )
{
aFolderObj.insertName( aTitle );
if ( ::utl::UCBContentHelper::Exists( aFolderObj.GetMainURL( INetURLObject::NO_DECODE ) ) )
{
// Hack, because already existing files give the same CommandAbortedException as any other error !
// append a number until the name can be used for a new folder
aTitle += '.';
for ( sal_Int32 i=0; !bRet; i++ )
{
String aTmp( aTitle );
aTmp += String::CreateFromInt32( i );
bRet = ::utl::UCBContentHelper::MakeFolder( aFolder, aTmp, aNewFolder );
if ( bRet )
aTitle = aTmp;
else
{
aFolderObj.SetName( aTmp );
if ( !::utl::UCBContentHelper::Exists( aFolderObj.GetMainURL( INetURLObject::NO_DECODE ) ) )
// Hack, because already existing files give the same CommandAbortedException as any other error !
break;
}
}
}
}
if ( bRet )
{
// get the URL
aObj.SetName( aTitle );
String aURL = aObj.GetMainURL( INetURLObject::NO_DECODE );
// store it as key/value pair
String aLink = String::CreateFromAscii("ContentURL=");
aLink += aURL;
pStream->WriteByteString( aLink, RTL_TEXTENCODING_UTF8 );
pStream->Flush();
// move the stream to its desired location
Content aSource( pTempFile->GetURL(), Reference < XCommandEnvironment >() );
DELETEZ( pTempFile );
aFolder.transferContent( aSource, InsertOperation_MOVE, aName, NameClash::OVERWRITE );
return aURL;
}
pTempFile->EnableKillingFile( sal_True );
delete pTempFile;
return String();
}
sal_Bool UCBStorage::SetProperty( const String& rName, const ::com::sun::star::uno::Any& rValue )
{
if ( rName.CompareToAscii("Title") == COMPARE_EQUAL )
return sal_False;
if ( rName.CompareToAscii("MediaType") == COMPARE_EQUAL )
{
::rtl::OUString aTmp;
rValue >>= aTmp;
pImp->m_aContentType = aTmp;
}
try
{
if ( pImp->GetContent() )
{
pImp->m_pContent->setPropertyValue( rName, rValue );
return sal_True;
}
}
catch ( Exception& )
{
}
return sal_False;
}
sal_Bool UCBStorage::GetProperty( const String& rName, ::com::sun::star::uno::Any& rValue )
{
try
{
if ( pImp->GetContent() )
{
rValue = pImp->m_pContent->getPropertyValue( rName );
return sal_True;
}
}
catch ( Exception& )
{
}
return sal_False;
}
sal_Bool UCBStorage::GetProperty( const String& rEleName, const String& rName, ::com::sun::star::uno::Any& rValue )
{
UCBStorageElement_Impl *pEle = FindElement_Impl( rEleName );
if ( !pEle )
return sal_False;
if ( !pEle->m_bIsFolder )
{
if ( !pEle->m_xStream.Is() )
pImp->OpenStream( pEle, pImp->m_nMode, pImp->m_bDirect );
if ( pEle->m_xStream->m_nError )
{
pEle->m_xStream.Clear();
return sal_False;
}
try
{
if ( pEle->m_xStream->m_pContent )
{
rValue = pEle->m_xStream->m_pContent->getPropertyValue( rName );
return sal_True;
}
}
catch ( Exception& )
{
}
}
else
{
if ( !pEle->m_xStorage.Is() )
pImp->OpenStorage( pEle, pImp->m_nMode, pImp->m_bDirect );
if ( pEle->m_xStorage->m_nError )
{
pEle->m_xStorage.Clear();
return sal_False;
}
try
{
if ( pEle->m_xStorage->GetContent() )
{
rValue = pEle->m_xStorage->m_pContent->getPropertyValue( rName );
return sal_True;
}
}
catch ( Exception& )
{
}
}
return sal_False;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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