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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_package.hxx"
#include <com/sun/star/ucb/XSimpleFileAccess.hpp>
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/embed/StorageFormats.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <comphelper/storagehelper.hxx>
#include "xfactory.hxx"
#include "xstorage.hxx"
using namespace ::com::sun::star;
//-------------------------------------------------------------------------
sal_Bool CheckPackageSignature_Impl( const uno::Reference< io::XInputStream >& xInputStream,
const uno::Reference< io::XSeekable >& xSeekable )
{
if ( !xInputStream.is() || !xSeekable.is() )
throw uno::RuntimeException();
if ( xSeekable->getLength() )
{
uno::Sequence< sal_Int8 > aData( 4 );
xSeekable->seek( 0 );
sal_Int32 nRead = xInputStream->readBytes( aData, 4 );
xSeekable->seek( 0 );
// TODO/LATER: should the disk spanned files be supported?
// 0x50, 0x4b, 0x07, 0x08
return ( nRead == 4 && aData[0] == 0x50 && aData[1] == 0x4b && aData[2] == 0x03 && aData[3] == 0x04 );
}
else
return sal_True; // allow to create a storage based on empty stream
}
//-------------------------------------------------------------------------
uno::Sequence< ::rtl::OUString > SAL_CALL OStorageFactory::impl_staticGetSupportedServiceNames()
{
uno::Sequence< ::rtl::OUString > aRet(2);
aRet[0] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.embed.StorageFactory") );
aRet[1] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.comp.embed.StorageFactory") );
return aRet;
}
//-------------------------------------------------------------------------
::rtl::OUString SAL_CALL OStorageFactory::impl_staticGetImplementationName()
{
return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.comp.embed.StorageFactory") );
}
//-------------------------------------------------------------------------
uno::Reference< uno::XInterface > SAL_CALL OStorageFactory::impl_staticCreateSelfInstance(
const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
{
return uno::Reference< uno::XInterface >( *new OStorageFactory( xServiceManager ) );
}
//-------------------------------------------------------------------------
uno::Reference< uno::XInterface > SAL_CALL OStorageFactory::createInstance()
throw ( uno::Exception,
uno::RuntimeException )
{
// TODO: reimplement TempStream service to support XStream interface
uno::Reference < io::XStream > xTempStream(
m_xFactory->createInstance( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.io.TempFile") ) ),
uno::UNO_QUERY );
if ( !xTempStream.is() )
throw uno::RuntimeException(); // TODO:
return uno::Reference< uno::XInterface >(
static_cast< OWeakObject* >( new OStorage( xTempStream,
embed::ElementModes::READWRITE,
uno::Sequence< beans::PropertyValue >(),
m_xFactory,
embed::StorageFormats::PACKAGE ) ),
uno::UNO_QUERY );
}
//-------------------------------------------------------------------------
uno::Reference< uno::XInterface > SAL_CALL OStorageFactory::createInstanceWithArguments(
const uno::Sequence< uno::Any >& aArguments )
throw ( uno::Exception,
uno::RuntimeException )
{
// The request for storage can be done with up to three arguments
// The first argument specifies a source for the storage
// it can be URL, XStream, XInputStream.
// The second value is a mode the storage should be open in.
// And the third value is a media descriptor.
sal_Int32 nArgNum = aArguments.getLength();
OSL_ENSURE( nArgNum < 4, "Wrong parameter number" );
if ( !nArgNum )
return createInstance();
// first try to retrieve storage open mode if any
// by default the storage will be open in readonly mode
sal_Int32 nStorageMode = embed::ElementModes::READ;
if ( nArgNum >= 2 )
{
if( !( aArguments[1] >>= nStorageMode ) )
{
OSL_ENSURE( sal_False, "Wrong second argument!\n" );
throw lang::IllegalArgumentException(); // TODO:
}
// it's allways possible to read written storage in this implementation
nStorageMode |= embed::ElementModes::READ;
}
if ( ( nStorageMode & embed::ElementModes::TRUNCATE ) == embed::ElementModes::TRUNCATE
&& ( nStorageMode & embed::ElementModes::WRITE ) != embed::ElementModes::WRITE )
throw lang::IllegalArgumentException(); // TODO:
// retrieve storage source stream
::rtl::OUString aURL;
uno::Reference< io::XStream > xStream;
uno::Reference< io::XInputStream > xInputStream;
if ( aArguments[0] >>= aURL )
{
if ( !aURL.getLength() )
{
OSL_ENSURE( sal_False, "Empty URL is provided!\n" );
throw lang::IllegalArgumentException(); // TODO:
}
if ( aURL.equalsIgnoreAsciiCaseAsciiL( "vnd.sun.star.pkg", 16 ) )
{
OSL_ENSURE( sal_False, "Packages URL's are not valid for storages!\n" ); // ???
throw lang::IllegalArgumentException(); // TODO:
}
uno::Reference < ::com::sun::star::ucb::XSimpleFileAccess > xTempAccess(
m_xFactory->createInstance (
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.ucb.SimpleFileAccess") ) ),
uno::UNO_QUERY );
if ( !xTempAccess.is() )
throw uno::RuntimeException(); // TODO:
if ( nStorageMode & embed::ElementModes::WRITE )
xStream = xTempAccess->openFileReadWrite( aURL );
else
xInputStream = xTempAccess->openFileRead( aURL );
}
else if ( !( aArguments[0] >>= xStream ) && !( aArguments[0] >>= xInputStream ) )
{
OSL_ENSURE( sal_False, "Wrong first argument!\n" );
throw uno::Exception(); // TODO: Illegal argument
}
// retrieve mediadescriptor and set storage properties
uno::Sequence< beans::PropertyValue > aDescr;
uno::Sequence< beans::PropertyValue > aPropsToSet;
sal_Int32 nStorageType = embed::StorageFormats::PACKAGE;
if ( nArgNum >= 3 )
{
if( aArguments[2] >>= aDescr )
{
if ( aURL.getLength() )
{
aPropsToSet.realloc(1);
aPropsToSet[0].Name = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("URL") );
aPropsToSet[0].Value <<= aURL;
}
for ( sal_Int32 nInd = 0, nNumArgs = 1; nInd < aDescr.getLength(); nInd++ )
{
if ( aDescr[nInd].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "InteractionHandler" ) )
|| aDescr[nInd].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "Password" ) )
|| aDescr[nInd].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "RepairPackage" ) )
|| aDescr[nInd].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "StatusIndicator" ) ) )
// || aDescr[nInd].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "Unpacked" ) ) // TODO:
{
aPropsToSet.realloc( ++nNumArgs );
aPropsToSet[nNumArgs-1].Name = aDescr[nInd].Name;
aPropsToSet[nNumArgs-1].Value = aDescr[nInd].Value;
}
else if ( aDescr[nInd].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "StorageFormat" ) ) )
{
::rtl::OUString aFormatName;
sal_Int32 nFormatID = 0;
if ( aDescr[nInd].Value >>= aFormatName )
{
if ( aFormatName.equals( PACKAGE_STORAGE_FORMAT_STRING ) )
nStorageType = embed::StorageFormats::PACKAGE;
else if ( aFormatName.equals( ZIP_STORAGE_FORMAT_STRING ) )
nStorageType = embed::StorageFormats::ZIP;
else if ( aFormatName.equals( OFOPXML_STORAGE_FORMAT_STRING ) )
nStorageType = embed::StorageFormats::OFOPXML;
else
throw lang::IllegalArgumentException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >(), 1 );
}
else if ( aDescr[nInd].Value >>= nFormatID )
{
if ( nFormatID != embed::StorageFormats::PACKAGE
&& nFormatID != embed::StorageFormats::ZIP
&& nFormatID != embed::StorageFormats::OFOPXML )
throw lang::IllegalArgumentException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >(), 1 );
nStorageType = nFormatID;
}
else
throw lang::IllegalArgumentException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >(), 1 );
}
else
OSL_ENSURE( sal_False, "Unacceptable property, will be ignored!\n" );
}
}
else
{
OSL_ENSURE( sal_False, "Wrong third argument!\n" );
throw uno::Exception(); // TODO: Illegal argument
}
}
// create storage based on source
if ( xInputStream.is() )
{
// if xInputStream is set the storage should be open from it
if ( ( nStorageMode & embed::ElementModes::WRITE ) )
throw uno::Exception(); // TODO: access denied
uno::Reference< io::XSeekable > xSeekable( xInputStream, uno::UNO_QUERY );
if ( !xSeekable.is() )
{
// TODO: wrap stream to let it be seekable
OSL_ENSURE( sal_False, "Nonseekable streams are not supported for now!\n" );
}
if ( !CheckPackageSignature_Impl( xInputStream, xSeekable ) )
throw io::IOException(); // TODO: this is not a package file
return uno::Reference< uno::XInterface >(
static_cast< OWeakObject* >( new OStorage( xInputStream, nStorageMode, aPropsToSet, m_xFactory, nStorageType ) ),
uno::UNO_QUERY );
}
else if ( xStream.is() )
{
if ( ( ( nStorageMode & embed::ElementModes::WRITE ) && !xStream->getOutputStream().is() )
|| !xStream->getInputStream().is() )
throw uno::Exception(); // TODO: access denied
uno::Reference< io::XSeekable > xSeekable( xStream, uno::UNO_QUERY );
if ( !xSeekable.is() )
{
// TODO: wrap stream to let it be seekable
OSL_ENSURE( sal_False, "Nonseekable streams are not supported for now!\n" );
}
if ( !CheckPackageSignature_Impl( xStream->getInputStream(), xSeekable ) )
throw io::IOException(); // TODO: this is not a package file
return uno::Reference< uno::XInterface >(
static_cast< OWeakObject* >( new OStorage( xStream, nStorageMode, aPropsToSet, m_xFactory, nStorageType ) ),
uno::UNO_QUERY );
}
throw uno::Exception(); // general error during creation
}
//-------------------------------------------------------------------------
::rtl::OUString SAL_CALL OStorageFactory::getImplementationName()
throw ( uno::RuntimeException )
{
return impl_staticGetImplementationName();
}
//-------------------------------------------------------------------------
sal_Bool SAL_CALL OStorageFactory::supportsService( const ::rtl::OUString& ServiceName )
throw ( uno::RuntimeException )
{
uno::Sequence< ::rtl::OUString > aSeq = impl_staticGetSupportedServiceNames();
for ( sal_Int32 nInd = 0; nInd < aSeq.getLength(); nInd++ )
if ( ServiceName.compareTo( aSeq[nInd] ) == 0 )
return sal_True;
return sal_False;
}
//-------------------------------------------------------------------------
uno::Sequence< ::rtl::OUString > SAL_CALL OStorageFactory::getSupportedServiceNames()
throw ( uno::RuntimeException )
{
return impl_staticGetSupportedServiceNames();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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