office-gobmx/ucbhelper/workben/myucp/myucp_datasupplier.cxx
2011-11-27 13:26:27 -06:00

399 lines
12 KiB
C++

/* -*- 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.
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* it under the terms of the GNU Lesser General Public License version 3
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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/**************************************************************************
TODO
**************************************************************************
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#include <vector>
#include "ucbhelper/contentidentifier.hxx"
#include "ucbhelper/providerhelper.hxx"
#include "myucp_datasupplier.hxx"
#include "myucp_content.hxx"
using namespace com::sun::star;
// @@@ Adjust namespace name.
namespace myucp
{
//=========================================================================
//
// struct ResultListEntry.
//
//=========================================================================
struct ResultListEntry
{
rtl::OUString aId;
uno::Reference< ucb::XContentIdentifier > xId;
uno::Reference< ucb::XContent > xContent;
uno::Reference< sdbc::XRow > xRow;
const ContentProperties& rData;
ResultListEntry( const ContentProperties& rEntry ) : rData( rEntry ) {}
};
//=========================================================================
//
// ResultList.
//
//=========================================================================
typedef std::vector< ResultListEntry* > ResultList;
//=========================================================================
//
// struct DataSupplier_Impl.
//
//=========================================================================
struct DataSupplier_Impl
{
osl::Mutex m_aMutex;
ResultList m_aResults;
rtl::Reference< Content > m_xContent;
uno::Reference< lang::XMultiServiceFactory > m_xSMgr;
// @@@ The data source and an iterator for it
// Entry m_aFolder;
// Entry::iterator m_aIterator;
sal_Int32 m_nOpenMode;
sal_Bool m_bCountFinal;
DataSupplier_Impl( const uno::Reference< lang::XMultiServiceFactory >& rxSMgr,
const rtl::Reference< Content >& rContent,
sal_Int32 nOpenMode )
: m_xContent( rContent ), m_xSMgr( rxSMgr ),
// m_aFolder( rxSMgr, rContent->getIdentifier()->getContentIdentifier() ),
m_nOpenMode( nOpenMode ), m_bCountFinal( sal_False ) {}
~DataSupplier_Impl();
};
//=========================================================================
DataSupplier_Impl::~DataSupplier_Impl()
{
ResultList::const_iterator it = m_aResults.begin();
ResultList::const_iterator end = m_aResults.end();
while ( it != end )
{
delete (*it);
++it;
}
}
//=========================================================================
//=========================================================================
//
// DataSupplier Implementation.
//
//=========================================================================
//=========================================================================
DataSupplier::DataSupplier( const uno::Reference< lang::XMultiServiceFactory >& rxSMgr,
const rtl::Reference< Content >& rContent,
sal_Int32 nOpenMode )
: m_pImpl( new DataSupplier_Impl( rxSMgr, rContent, nOpenMode ) )
{
}
//=========================================================================
// virtual
DataSupplier::~DataSupplier()
{
delete m_pImpl;
}
//=========================================================================
// virtual
rtl::OUString DataSupplier::queryContentIdentifierString( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( nIndex < m_pImpl->m_aResults.size() )
{
rtl::OUString aId = m_pImpl->m_aResults[ nIndex ]->aId;
if ( aId.getLength() )
{
// Already cached.
return aId;
}
}
if ( getResult( nIndex ) )
{
rtl::OUString aId
= m_pImpl->m_xContent->getIdentifier()->getContentIdentifier();
aId += m_pImpl->m_aResults[ nIndex ]->rData.aTitle;
m_pImpl->m_aResults[ nIndex ]->aId = aId;
return aId;
}
return rtl::OUString();
}
//=========================================================================
// virtual
uno::Reference< ucb::XContentIdentifier >
DataSupplier::queryContentIdentifier( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( nIndex < m_pImpl->m_aResults.size() )
{
uno::Reference< ucb::XContentIdentifier > xId
= m_pImpl->m_aResults[ nIndex ]->xId;
if ( xId.is() )
{
// Already cached.
return xId;
}
}
rtl::OUString aId = queryContentIdentifierString( nIndex );
if ( aId.getLength() )
{
uno::Reference< ucb::XContentIdentifier > xId
= new ::ucbhelper::ContentIdentifier( aId );
m_pImpl->m_aResults[ nIndex ]->xId = xId;
return xId;
}
return uno::Reference< ucb::XContentIdentifier >();
}
//=========================================================================
// virtual
uno::Reference< ucb::XContent >
DataSupplier::queryContent( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( nIndex < m_pImpl->m_aResults.size() )
{
uno::Reference< ucb::XContent > xContent
= m_pImpl->m_aResults[ nIndex ]->xContent;
if ( xContent.is() )
{
// Already cached.
return xContent;
}
}
uno::Reference< ucb::XContentIdentifier > xId
= queryContentIdentifier( nIndex );
if ( xId.is() )
{
try
{
uno::Reference< ucb::XContent > xContent
= m_pImpl->m_xContent->getProvider()->queryContent( xId );
m_pImpl->m_aResults[ nIndex ]->xContent = xContent;
return xContent;
}
catch ( ucb::IllegalIdentifierException& )
{
}
}
return uno::Reference< ucb::XContent >();
}
//=========================================================================
// virtual
sal_Bool DataSupplier::getResult( sal_uInt32 nIndex )
{
osl::ClearableGuard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( m_pImpl->m_aResults.size() > nIndex )
{
// Result already present.
return sal_True;
}
// Result not (yet) present.
if ( m_pImpl->m_bCountFinal )
return sal_False;
// Try to obtain result...
sal_uInt32 nOldCount = m_pImpl->m_aResults.size();
sal_Bool bFound = sal_False;
// @@@ Obtain data and put it into result list...
/*
sal_uInt32 nPos = nOldCount;
while ( m_pImpl->m_aFolder.next( m_pImpl->m_aIterator ) )
{
m_pImpl->m_aResults.push_back(
new ResultListEntry( *m_pImpl->m_aIterator ) );
if ( nPos == nIndex )
{
// Result obtained.
bFound = sal_True;
break;
}
nPos++;
}
*/
if ( !bFound )
m_pImpl->m_bCountFinal = sal_True;
rtl::Reference< ::ucbhelper::ResultSet > xResultSet = getResultSet().get();
if ( xResultSet.is() )
{
// Callbacks follow!
aGuard.clear();
if ( nOldCount < m_pImpl->m_aResults.size() )
xResultSet->rowCountChanged(
nOldCount, m_pImpl->m_aResults.size() );
if ( m_pImpl->m_bCountFinal )
xResultSet->rowCountFinal();
}
return bFound;
}
//=========================================================================
// virtual
sal_uInt32 DataSupplier::totalCount()
{
osl::ClearableGuard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( m_pImpl->m_bCountFinal )
return m_pImpl->m_aResults.size();
sal_uInt32 nOldCount = m_pImpl->m_aResults.size();
// @@@ Obtain data and put it into result list...
/*
while ( m_pImpl->m_aFolder.next( m_pImpl->m_aIterator ) )
m_pImpl->m_aResults.push_back(
new ResultListEntry( *m_pImpl->m_aIterator ) );
*/
m_pImpl->m_bCountFinal = sal_True;
rtl::Reference< ::ucbhelper::ResultSet > xResultSet = getResultSet().get();
if ( xResultSet.is() )
{
// Callbacks follow!
aGuard.clear();
if ( nOldCount < m_pImpl->m_aResults.size() )
xResultSet->rowCountChanged(
nOldCount, m_pImpl->m_aResults.size() );
xResultSet->rowCountFinal();
}
return m_pImpl->m_aResults.size();
}
//=========================================================================
// virtual
sal_uInt32 DataSupplier::currentCount()
{
return m_pImpl->m_aResults.size();
}
//=========================================================================
// virtual
sal_Bool DataSupplier::isCountFinal()
{
return m_pImpl->m_bCountFinal;
}
//=========================================================================
// virtual
uno::Reference< sdbc::XRow >
DataSupplier::queryPropertyValues( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( nIndex < m_pImpl->m_aResults.size() )
{
uno::Reference< sdbc::XRow > xRow = m_pImpl->m_aResults[ nIndex ]->xRow;
if ( xRow.is() )
{
// Already cached.
return xRow;
}
}
if ( getResult( nIndex ) )
{
uno::Reference< sdbc::XRow > xRow = Content::getPropertyValues(
m_pImpl->m_xSMgr,
getResultSet()->getProperties(),
m_pImpl->m_aResults[ nIndex ]->rData,
m_pImpl->m_xContent->getProvider().get(),
queryContentIdentifierString( nIndex ) );
m_pImpl->m_aResults[ nIndex ]->xRow = xRow;
return xRow;
}
return uno::Reference< sdbc::XRow >();
}
//=========================================================================
// virtual
void DataSupplier::releasePropertyValues( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( nIndex < m_pImpl->m_aResults.size() )
m_pImpl->m_aResults[ nIndex ]->xRow = uno::Reference< sdbc::XRow >();
}
//=========================================================================
// virtual
void DataSupplier::close()
{
}
//=========================================================================
// virtual
void DataSupplier::validate()
throw( ucb::ResultSetException )
{
}
} // namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */