INTEGRATION: CWS opofxmlstorage (1.1.2); FILE ADDED

2006/06/30 11:36:03 mav 1.1.2.2: resync to m173: fix warnings
2006/05/12 08:17:36 mav 1.1.2.1: #i65306# hierarchical access

1 files changed, 347 insertions, 0 deletions

diff --git a/package/source/xstor/ohierarchyholder.cxx b/package/source/xstor/ohierarchyholder.cxx
new file mode 100644
index 000000000000..213c5c6a8eef
--- /dev/null
+++ b/package/source/xstor/ohierarchyholder.cxx
@@ -0,0 +1,347 @@
+/*************************************************************************
+ *
+ *  OpenOffice.org - a multi-platform office productivity suite
+ *
+ *  $RCSfile: ohierarchyholder.cxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: obo $ $Date: 2006-10-13 11:49:13 $
+ *
+ *  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_UNO_REFERENCE_HXX_
+#include <com/sun/star/uno/Reference.hxx>
+#endif
+
+#ifndef _COM_SUN_STAR_EMBED_ELEMENTMODES_HPP_
+#include <com/sun/star/embed/ElementModes.hpp>
+#endif
+
+#ifndef _COM_SUN_STAR_EMBED_XHIERARCHICALSTORAGEACCESS_HPP_
+#include <com/sun/star/embed/XHierarchicalStorageAccess.hpp>
+#endif
+
+#ifndef _COM_SUN_STAR_LANG_WRAPPEDTARGETRUNTIMEEXCEPTION_HPP_
+#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
+#endif
+
+#include "ohierarchyholder.hxx"
+
+using namespace ::com::sun::star;
+
+//===============================================
+// OHierarchyHolder_Impl
+//===============================================
+
+//-----------------------------------------------
+uno::Reference< embed::XExtendedStorageStream > OHierarchyHolder_Impl::GetStreamHierarchically( sal_Int32 nStorageMode, OStringList_Impl& aListPath, sal_Int32 nStreamMode, const ::rtl::OUString& aPass )
+{
+    uno::Reference< embed::XStorage > xOwnStor( m_xWeakOwnStorage.get(), uno::UNO_QUERY_THROW );
+
+    if ( !( nStorageMode & embed::ElementModes::WRITE ) && ( nStreamMode & embed::ElementModes::WRITE ) )
+        throw io::IOException();
+
+    uno::Reference< embed::XExtendedStorageStream > xResult =
+        m_aChild.GetStreamHierarchically( nStorageMode, aListPath, nStreamMode, aPass );
+    if ( !xResult.is() )
+        throw uno::RuntimeException();
+
+    return xResult;
+}
+
+//-----------------------------------------------
+void OHierarchyHolder_Impl::RemoveStreamHierarchically( OStringList_Impl& aListPath )
+{
+    uno::Reference< embed::XStorage > xOwnStor( m_xWeakOwnStorage.get(), uno::UNO_QUERY_THROW );
+
+    m_aChild.RemoveStreamHierarchically( aListPath );
+}
+
+//-----------------------------------------------
+// static
+OStringList_Impl OHierarchyHolder_Impl::GetListPathFromString( const ::rtl::OUString& aPath )
+{
+    OStringList_Impl aResult;
+    sal_Int32 nIndex = 0;
+    do
+    {
+        ::rtl::OUString aName = aPath.getToken( 0, '/', nIndex );
+        if ( !aName.getLength() )
+            throw lang::IllegalArgumentException();
+
+        aResult.push_back( aName );
+    }
+    while ( nIndex >= 0 );
+
+    return aResult;
+}
+
+//===============================================
+// OHierarchyElement_Impl
+//===============================================
+
+//-----------------------------------------------
+uno::Reference< embed::XExtendedStorageStream > OHierarchyElement_Impl::GetStreamHierarchically( sal_Int32 nStorageMode, OStringList_Impl& aListPath, sal_Int32 nStreamMode, const ::rtl::OUString& aPass )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( !( nStorageMode & embed::ElementModes::WRITE ) && ( nStreamMode & embed::ElementModes::WRITE ) )
+        throw io::IOException();
+
+    if ( !aListPath.size() )
+        throw uno::RuntimeException();
+
+    ::rtl::OUString aNextName = *(aListPath.begin());
+    aListPath.erase( aListPath.begin() );
+
+    uno::Reference< embed::XExtendedStorageStream > xResult;
+
+    uno::Reference< embed::XStorage > xOwnStor = m_xOwnStorage.is() ? m_xOwnStorage
+                : uno::Reference< embed::XStorage >( m_xWeakOwnStorage.get(), uno::UNO_QUERY );
+    if ( !xOwnStor.is() )
+        throw uno::RuntimeException();
+
+    if ( !aListPath.size() )
+    {
+        uno::Reference< embed::XHierarchicalStorageAccess > xHStorage( xOwnStor, uno::UNO_QUERY_THROW );
+        if ( aListPath.size() )
+            xResult = xHStorage->openStreamElementByHierarchicalName( aNextName, nStreamMode );
+        else
+            xResult = xHStorage->openEncryptedStreamElementByHierarchicalName( aNextName, nStreamMode, aPass );
+
+        uno::Reference< embed::XTransactedObject > xTransact( xResult, uno::UNO_QUERY );
+        if ( xTransact.is() )
+        {
+            // the existance of the transacted object means that the stream is opened for writing also
+            // so the whole chain must be commited
+            uno::Reference< embed::XTransactionBroadcaster > xTrBroadcast( xTransact, uno::UNO_QUERY_THROW );
+            xTrBroadcast->addTransactionListener( static_cast< embed::XTransactionListener* >( this ) );
+        }
+        else
+        {
+            uno::Reference< lang::XComponent > xStreamComp( xResult, uno::UNO_QUERY_THROW );
+            xStreamComp->addEventListener( static_cast< lang::XEventListener* >( this ) );
+        }
+
+        m_aOpenStreams.push_back( xResult );
+    }
+    else
+    {
+        sal_Bool bNewElement = sal_False;
+        ::rtl::Reference< OHierarchyElement_Impl > aElement;
+        OHierarchyElementList_Impl::iterator aIter = m_aChildren.find( aNextName );
+        if ( aIter != m_aChildren.end() )
+            aElement = aIter->second;
+
+        if ( !aElement.is() )
+        {
+            bNewElement = sal_True;
+            uno::Reference< embed::XStorage > xChildStorage = xOwnStor->openStorageElement( aNextName, nStorageMode );
+            if ( !xChildStorage.is() )
+                throw uno::RuntimeException();
+
+            aElement = new OHierarchyElement_Impl( NULL, xChildStorage );
+        }
+
+        xResult = aElement->GetStreamHierarchically( nStorageMode, aListPath, nStreamMode );
+        if ( !xResult.is() )
+            throw uno::RuntimeException();
+
+        if ( bNewElement )
+        {
+            m_aChildren[aNextName] = aElement;
+            aElement->SetParent( this );
+        }
+    }
+
+    return xResult;
+}
+
+//-----------------------------------------------
+void OHierarchyElement_Impl::RemoveStreamHierarchically( OStringList_Impl& aListPath )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( !aListPath.size() )
+        throw uno::RuntimeException();
+
+    ::rtl::OUString aNextName = *(aListPath.begin());
+    aListPath.erase( aListPath.begin() );
+
+    uno::Reference< embed::XExtendedStorageStream > xResult;
+
+    uno::Reference< embed::XStorage > xOwnStor = m_xOwnStorage.is() ? m_xOwnStorage
+                : uno::Reference< embed::XStorage >( m_xWeakOwnStorage.get(), uno::UNO_QUERY );
+    if ( !xOwnStor.is() )
+        throw uno::RuntimeException();
+
+    if ( !aListPath.size() )
+    {
+        xOwnStor->removeElement( aNextName );
+    }
+    else
+    {
+        sal_Bool bNewElement = sal_False;
+        ::rtl::Reference< OHierarchyElement_Impl > aElement;
+        OHierarchyElementList_Impl::iterator aIter = m_aChildren.find( aNextName );
+        if ( aIter != m_aChildren.end() )
+            aElement = aIter->second;
+
+        if ( !aElement.is() )
+        {
+            bNewElement = sal_True;
+            uno::Reference< embed::XStorage > xChildStorage = xOwnStor->openStorageElement( aNextName,
+                                                                                            embed::ElementModes::READWRITE );
+            if ( !xChildStorage.is() )
+                throw uno::RuntimeException();
+
+            aElement = new OHierarchyElement_Impl( NULL, xChildStorage );
+        }
+
+        aElement->RemoveStreamHierarchically( aListPath );
+    }
+
+    uno::Reference< embed::XTransactedObject > xTransact( xOwnStor, uno::UNO_QUERY );
+    if ( xTransact.is() )
+        xTransact->commit();
+
+    TestForClosing();
+}
+
+//-----------------------------------------------
+void OHierarchyElement_Impl::Commit()
+{
+    ::rtl::Reference< OHierarchyElement_Impl > aLocker( this );
+    ::rtl::Reference< OHierarchyElement_Impl > aParent;
+    uno::Reference< embed::XStorage > xOwnStor;
+
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+        aParent = m_rParent;
+        xOwnStor = m_xOwnStorage;
+    }
+
+    if ( xOwnStor.is() )
+    {
+        uno::Reference< embed::XTransactedObject > xTransact( xOwnStor, uno::UNO_QUERY_THROW );
+        xTransact->commit();
+        if ( aParent.is() )
+            aParent->Commit();
+    }
+}
+
+//-----------------------------------------------
+void OHierarchyElement_Impl::TestForClosing()
+{
+    ::rtl::Reference< OHierarchyElement_Impl > aLocker( this );
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+
+        if ( !m_aOpenStreams.size() && !m_aChildren.size() )
+        {
+            if ( m_rParent.is() )
+                m_rParent->RemoveElement( this );
+        }
+    }
+}
+
+//-----------------------------------------------
+void SAL_CALL OHierarchyElement_Impl::disposing( const lang::EventObject& Source )
+        throw ( uno::RuntimeException )
+{
+    uno::Sequence< embed::XStorage > aStoragesToCommit;
+
+    try
+    {
+        ::osl::ClearableMutexGuard aGuard( m_aMutex );
+        uno::Reference< embed::XExtendedStorageStream > xStream( Source.Source, uno::UNO_QUERY );
+        m_aOpenStreams.remove( xStream );
+        aGuard.clear();
+
+        TestForClosing();
+    }
+    catch( uno::Exception& )
+    {
+        throw uno::RuntimeException(); // no exception must happen here, usually an exception means disaster
+    }
+}
+
+//-----------------------------------------------
+void OHierarchyElement_Impl::RemoveElement( const ::rtl::Reference< OHierarchyElement_Impl >& aRef )
+{
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+        for ( OHierarchyElementList_Impl::iterator aIter = m_aChildren.begin();
+              aIter != m_aChildren.end(); /* increment is done in body */)
+        {
+            OHierarchyElementList_Impl::iterator aTmpIter = aIter;
+            aIter++;
+
+            if ( aTmpIter->second == aRef )
+                m_aChildren.erase( aTmpIter );
+        }
+    }
+
+    TestForClosing();
+}
+
+// XTransactionListener
+//-----------------------------------------------
+void SAL_CALL OHierarchyElement_Impl::preCommit( const ::com::sun::star::lang::EventObject& /*aEvent*/ )
+    throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException)
+{
+}
+
+//-----------------------------------------------
+void SAL_CALL OHierarchyElement_Impl::commited( const ::com::sun::star::lang::EventObject& /*aEvent*/ )
+    throw (::com::sun::star::uno::RuntimeException)
+{
+    try
+    {
+        Commit();
+    }
+    catch( uno::Exception& e )
+    {
+        throw lang::WrappedTargetRuntimeException(
+                            ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Can not commit storage sequence!" ) ),
+                            uno::Reference< uno::XInterface >(),
+                            uno::makeAny( e ) );
+    }
+}
+
+//-----------------------------------------------
+void SAL_CALL OHierarchyElement_Impl::preRevert( const ::com::sun::star::lang::EventObject& /*aEvent*/ )
+    throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException)
+{
+}
+
+//-----------------------------------------------
+void SAL_CALL OHierarchyElement_Impl::reverted( const ::com::sun::star::lang::EventObject& /*aEvent*/ )
+    throw (::com::sun::star::uno::RuntimeException)
+{
+}
+