AOO410/main/svl/source/fsstor/fsfactory.cxx - openoffice - Git at Google

 /**************************************************************
  *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
  *   http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the License.
  *
  *************************************************************/


 // MARKER(update_precomp.py): autogen include statement, do not remove
 #include "precompiled_svl.hxx"

 #include "fsfactory.hxx"
 #include "cppuhelper/factory.hxx"
 #include <com/sun/star/ucb/XSimpleFileAccess.hpp>
 #include <com/sun/star/embed/ElementModes.hpp>
 #include <com/sun/star/beans/PropertyValue.hpp>
 #include <com/sun/star/io/XSeekable.hpp>


 #include <ucbhelper/fileidentifierconverter.hxx>
 #include <ucbhelper/contentbroker.hxx>
 #include <ucbhelper/content.hxx>

 #include <unotools/tempfile.hxx>
 #include <unotools/ucbhelper.hxx>

 #include "fsstorage.hxx"


 using namespace ::com::sun::star;

 //-------------------------------------------------------------------------
 uno::Sequence< ::rtl::OUString > SAL_CALL FSStorageFactory::impl_staticGetSupportedServiceNames()
 {
     uno::Sequence< ::rtl::OUString > aRet(2);
     aRet[0] = ::rtl::OUString::createFromAscii("com.sun.star.embed.FileSystemStorageFactory");
     aRet[1] = ::rtl::OUString::createFromAscii("com.sun.star.comp.embed.FileSystemStorageFactory");
     return aRet;
 }

 //-------------------------------------------------------------------------
 ::rtl::OUString SAL_CALL FSStorageFactory::impl_staticGetImplementationName()
 {
     return ::rtl::OUString::createFromAscii("com.sun.star.comp.embed.FileSystemStorageFactory");
 }

 //-------------------------------------------------------------------------
 uno::Reference< uno::XInterface > SAL_CALL FSStorageFactory::impl_staticCreateSelfInstance(
 			const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
 {
 	return uno::Reference< uno::XInterface >( *new FSStorageFactory( xServiceManager ) );
 }

 //-------------------------------------------------------------------------
 uno::Reference< uno::XInterface > SAL_CALL FSStorageFactory::createInstance()
 	throw ( uno::Exception,
 			uno::RuntimeException )
 {
 	::rtl::OUString aTempURL;

 	aTempURL = ::utl::TempFile( NULL, sal_True ).GetURL();

 	if ( !aTempURL.getLength() )
 		throw uno::RuntimeException(); // TODO: can not create tempfile

 	::ucbhelper::Content aResultContent(
         aTempURL, uno::Reference< ucb::XCommandEnvironment >() );

 	return uno::Reference< uno::XInterface >(
         static_cast< OWeakObject* >(
             new FSStorage(	aResultContent,
                             embed::ElementModes::READWRITE,
                             uno::Sequence< beans::PropertyValue >(),
                             m_xFactory ) ),
         uno::UNO_QUERY );
 }

 //-------------------------------------------------------------------------
 uno::Reference< uno::XInterface > SAL_CALL FSStorageFactory::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 must be URL.
 	// 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 URL
 	::rtl::OUString aURL;

 	if ( aArguments[0] >>= aURL )
 	{
 		if ( !aURL.getLength() )
 		{
 			OSL_ENSURE( sal_False, "Empty URL is provided!\n" );
 			throw uno::Exception(); // TODO: illegal argument
 		}
 	}
 	else
 	{
 		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 )
 		{
 			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" ) )
 				{
 					aPropsToSet.realloc( ++nNumArgs );
 					aPropsToSet[nNumArgs-1].Name = aDescr[nInd].Name;
 					aPropsToSet[nNumArgs-1].Value = aDescr[nInd].Value;
 					break;
 				}
 				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
 		}
 	}

 	// allow to use other ucp's
 	// if ( !isLocalNotFile_Impl( aURL ) )
 	if ( aURL.equalsIgnoreAsciiCaseAsciiL( "vnd.sun.star.pkg", 16 )
 	  || aURL.equalsIgnoreAsciiCaseAsciiL( "vnd.sun.star.zip", 16 )
 	  || ::utl::UCBContentHelper::IsDocument( aURL ) )
 	{
 		OSL_ENSURE( sal_False, "File system storages can be based only on file URLs!\n" ); // ???
 		throw uno::Exception(); // TODO: illegal argument
 	}

 	if ( ( nStorageMode & embed::ElementModes::WRITE ) && !( nStorageMode & embed::ElementModes::NOCREATE ) )
 		FSStorage::MakeFolderNoUI( aURL, sal_False );
 	else if ( !::utl::UCBContentHelper::IsFolder( aURL ) )
 		throw io::IOException(); // there is no such folder

 	::ucbhelper::Content aResultContent(
         aURL, uno::Reference< ucb::XCommandEnvironment >() );

 	// create storage based on source
 	return uno::Reference< uno::XInterface >(
         static_cast< OWeakObject* >( new FSStorage( aResultContent,
                                                     nStorageMode,
                                                     aPropsToSet,
                                                     m_xFactory ) ),
         uno::UNO_QUERY );
 }

 //-------------------------------------------------------------------------
 ::rtl::OUString SAL_CALL FSStorageFactory::getImplementationName()
 	throw ( uno::RuntimeException )
 {
 	return impl_staticGetImplementationName();
 }

 //-------------------------------------------------------------------------
 sal_Bool SAL_CALL FSStorageFactory::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 FSStorageFactory::getSupportedServiceNames()
 	throw ( uno::RuntimeException )
 {
 	return impl_staticGetSupportedServiceNames();
 }

 //-------------------------------------------------------------------------

 extern "C"
 {
 SAL_DLLPUBLIC_EXPORT void SAL_CALL component_getImplementationEnvironment (
 	const sal_Char ** ppEnvTypeName, uno_Environment ** /* ppEnv */)
 {
 	*ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
 }

 SAL_DLLPUBLIC_EXPORT void * SAL_CALL component_getFactory (
 	const sal_Char * pImplementationName, void * pServiceManager, void * /* pRegistryKey */)
 {
 	void * pResult = 0;
 	if (pServiceManager)
 	{
 		uno::Reference< lang::XSingleServiceFactory > xFactory;
 		if (FSStorageFactory::impl_staticGetImplementationName().compareToAscii (pImplementationName) == 0)
 		{
 			xFactory = cppu::createOneInstanceFactory (
 				reinterpret_cast< lang::XMultiServiceFactory* >(pServiceManager),
 				FSStorageFactory::impl_staticGetImplementationName(),
 				FSStorageFactory::impl_staticCreateSelfInstance,
 				FSStorageFactory::impl_staticGetSupportedServiceNames() );
 		}
 		if (xFactory.is())
 		{
 			xFactory->acquire();
 			pResult = xFactory.get();
 		}
 	}
 	return pResult;
 }

 } // extern "C"
	/**************************************************************
	*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you under the Apache License, Version 2.0 (the
	* "License"); you may not use this file except in compliance
	* with the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing,
	* software distributed under the License is distributed on an
	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	* KIND, either express or implied. See the License for the
	* specific language governing permissions and limitations
	* under the License.
	*
	*************************************************************/



	// MARKER(update_precomp.py): autogen include statement, do not remove
	#include "precompiled_svl.hxx"

	#include "fsfactory.hxx"
	#include "cppuhelper/factory.hxx"
	#include <com/sun/star/ucb/XSimpleFileAccess.hpp>
	#include <com/sun/star/embed/ElementModes.hpp>
	#include <com/sun/star/beans/PropertyValue.hpp>
	#include <com/sun/star/io/XSeekable.hpp>


	#include <ucbhelper/fileidentifierconverter.hxx>
	#include <ucbhelper/contentbroker.hxx>
	#include <ucbhelper/content.hxx>

	#include <unotools/tempfile.hxx>
	#include <unotools/ucbhelper.hxx>

	#include "fsstorage.hxx"


	using namespace ::com::sun::star;

	//-------------------------------------------------------------------------
	uno::Sequence< ::rtl::OUString > SAL_CALL FSStorageFactory::impl_staticGetSupportedServiceNames()
	{
	uno::Sequence< ::rtl::OUString > aRet(2);
	aRet[0] = ::rtl::OUString::createFromAscii("com.sun.star.embed.FileSystemStorageFactory");
	aRet[1] = ::rtl::OUString::createFromAscii("com.sun.star.comp.embed.FileSystemStorageFactory");
	return aRet;
	}

	//-------------------------------------------------------------------------
	::rtl::OUString SAL_CALL FSStorageFactory::impl_staticGetImplementationName()
	{
	return ::rtl::OUString::createFromAscii("com.sun.star.comp.embed.FileSystemStorageFactory");
	}

	//-------------------------------------------------------------------------
	uno::Reference< uno::XInterface > SAL_CALL FSStorageFactory::impl_staticCreateSelfInstance(
	const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
	{
	return uno::Reference< uno::XInterface >( *new FSStorageFactory( xServiceManager ) );
	}

	//-------------------------------------------------------------------------
	uno::Reference< uno::XInterface > SAL_CALL FSStorageFactory::createInstance()
	throw ( uno::Exception,
	uno::RuntimeException )
	{
	::rtl::OUString aTempURL;

	aTempURL = ::utl::TempFile( NULL, sal_True ).GetURL();

	if ( !aTempURL.getLength() )
	throw uno::RuntimeException(); // TODO: can not create tempfile

	::ucbhelper::Content aResultContent(
	aTempURL, uno::Reference< ucb::XCommandEnvironment >() );

	return uno::Reference< uno::XInterface >(
	static_cast< OWeakObject* >(
	new FSStorage( aResultContent,
	embed::ElementModes::READWRITE,
	uno::Sequence< beans::PropertyValue >(),
	m_xFactory ) ),
	uno::UNO_QUERY );
	}

	//-------------------------------------------------------------------------
	uno::Reference< uno::XInterface > SAL_CALL FSStorageFactory::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 must be URL.
	// 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 URL
	::rtl::OUString aURL;

	if ( aArguments[0] >>= aURL )
	{
	if ( !aURL.getLength() )
	{
	OSL_ENSURE( sal_False, "Empty URL is provided!\n" );
	throw uno::Exception(); // TODO: illegal argument
	}
	}
	else
	{
	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 )
	{
	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" ) )
	{
	aPropsToSet.realloc( ++nNumArgs );
	aPropsToSet[nNumArgs-1].Name = aDescr[nInd].Name;
	aPropsToSet[nNumArgs-1].Value = aDescr[nInd].Value;
	break;
	}
	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
	}
	}

	// allow to use other ucp's
	// if ( !isLocalNotFile_Impl( aURL ) )
	if ( aURL.equalsIgnoreAsciiCaseAsciiL( "vnd.sun.star.pkg", 16 )
	\|\| aURL.equalsIgnoreAsciiCaseAsciiL( "vnd.sun.star.zip", 16 )
	\|\| ::utl::UCBContentHelper::IsDocument( aURL ) )
	{
	OSL_ENSURE( sal_False, "File system storages can be based only on file URLs!\n" ); // ???
	throw uno::Exception(); // TODO: illegal argument
	}

	if ( ( nStorageMode & embed::ElementModes::WRITE ) && !( nStorageMode & embed::ElementModes::NOCREATE ) )
	FSStorage::MakeFolderNoUI( aURL, sal_False );
	else if ( !::utl::UCBContentHelper::IsFolder( aURL ) )
	throw io::IOException(); // there is no such folder

	::ucbhelper::Content aResultContent(
	aURL, uno::Reference< ucb::XCommandEnvironment >() );

	// create storage based on source
	return uno::Reference< uno::XInterface >(
	static_cast< OWeakObject* >( new FSStorage( aResultContent,
	nStorageMode,
	aPropsToSet,
	m_xFactory ) ),
	uno::UNO_QUERY );
	}

	//-------------------------------------------------------------------------
	::rtl::OUString SAL_CALL FSStorageFactory::getImplementationName()
	throw ( uno::RuntimeException )
	{
	return impl_staticGetImplementationName();
	}

	//-------------------------------------------------------------------------
	sal_Bool SAL_CALL FSStorageFactory::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 FSStorageFactory::getSupportedServiceNames()
	throw ( uno::RuntimeException )
	{
	return impl_staticGetSupportedServiceNames();
	}

	//-------------------------------------------------------------------------

	extern "C"
	{
	SAL_DLLPUBLIC_EXPORT void SAL_CALL component_getImplementationEnvironment (
	const sal_Char ppEnvTypeName, uno_Environment /* ppEnv */)
	{
	*ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
	}

	SAL_DLLPUBLIC_EXPORT void * SAL_CALL component_getFactory (
	const sal_Char * pImplementationName, void * pServiceManager, void * /* pRegistryKey */)
	{
	void * pResult = 0;
	if (pServiceManager)
	{
	uno::Reference< lang::XSingleServiceFactory > xFactory;
	if (FSStorageFactory::impl_staticGetImplementationName().compareToAscii (pImplementationName) == 0)
	{
	xFactory = cppu::createOneInstanceFactory (
	reinterpret_cast< lang::XMultiServiceFactory* >(pServiceManager),
	FSStorageFactory::impl_staticGetImplementationName(),
	FSStorageFactory::impl_staticCreateSelfInstance,
	FSStorageFactory::impl_staticGetSupportedServiceNames() );
	}
	if (xFactory.is())
	{
	xFactory->acquire();
	pResult = xFactory.get();
	}
	}
	return pResult;
	}

	} // extern "C"