| /************************************************************** |
| * |
| * 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_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::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, |
| 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::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; |
| |
| sal_Int32 nStorageType = embed::StorageFormats::PACKAGE; |
| |
| 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 if ( aDescr[nInd].Name.equalsAscii( "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(); |
| } |
| |
