/************************************************************************* * * OpenOffice.org - a multi-platform office productivity suite * * $RCSfile: xfactory.cxx,v $ * * $Revision: 1.6 $ * * last change: $Author: rt $ $Date: 2005-09-08 16:08:46 $ * * The Contents of this file are made available subject to * the terms of GNU Lesser General Public License Version 2.1. * * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2005 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * This library 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 for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * ************************************************************************/ #ifndef _COM_SUN_STAR_UCB_XSIMPLEFILEACCESS_HPP_ #include #endif #ifndef _COM_SUN_STAR_EMBED_ELEMENTMODES_HPP_ #include #endif #ifndef _COM_SUN_STAR_BEANS_PROPERTYVALUE_HPP_ #include #endif #ifndef _COM_SUN_STAR_IO_XSEEKABLE_HPP_ #include #endif #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::createFromAscii("com.sun.star.embed.StorageFactory"); aRet[1] = ::rtl::OUString::createFromAscii("com.sun.star.comp.embed.StorageFactory"); return aRet; } //------------------------------------------------------------------------- ::rtl::OUString SAL_CALL OStorageFactory::impl_staticGetImplementationName() { return ::rtl::OUString::createFromAscii("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::createFromAscii( "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 ) ), 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 uno::Exception(); // TODO: Illegal argument } // it's allways possible to read written storage in this implementation nStorageMode |= embed::ElementModes::READ; } // 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 uno::Exception(); // TODO: illegal argument } if ( aURL.equalsIgnoreAsciiCaseAsciiL( "vnd.sun.star.pkg", 16 ) ) { OSL_ENSURE( sal_False, "Packages URL's are not valid for storages!\n" ); // ??? throw uno::Exception(); // TODO: illegal argument } uno::Reference < ::com::sun::star::ucb::XSimpleFileAccess > xTempAccess( m_xFactory->createInstance ( ::rtl::OUString::createFromAscii( "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; if ( nArgNum >= 3 ) { if( aArguments[2] >>= aDescr ) { if ( aURL.getLength() ) { aPropsToSet.realloc(1); aPropsToSet[0].Name = ::rtl::OUString::createFromAscii( "URL" ); aPropsToSet[0].Value <<= aURL; } for ( sal_Int32 nInd = 0, nNumArgs = 1; nInd < aDescr.getLength(); nInd++ ) { if ( aDescr[nInd].Name.equalsAscii( "InteractionHandler" ) || aDescr[nInd].Name.equalsAscii( "Password" ) || aDescr[nInd].Name.equalsAscii( "RepairPackage" ) || aDescr[nInd].Name.equalsAscii( "StatusIndicator" ) ) // || aDescr[nInd].Name.equalsAscii( "Unpacked" ) // TODO: { aPropsToSet.realloc( ++nNumArgs ); aPropsToSet[nNumArgs-1].Name = aDescr[nInd].Name; aPropsToSet[nNumArgs-1].Value = aDescr[nInd].Value; } 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 ) ), 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 ) ), uno::UNO_QUERY ); } throw uno::Exception(); // general error during creation // not reachable return uno::Reference< uno::XInterface >(); } //------------------------------------------------------------------------- ::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(); }