office-gobmx/ucb/source/ucp/webdav/webdavdatasupplier.cxx
2011-03-29 21:40:28 +01:00

512 lines
16 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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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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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_ucb.hxx"
/**************************************************************************
TODO
**************************************************************************
*************************************************************************/
#include <osl/diagnose.h>
#include <com/sun/star/ucb/OpenMode.hpp>
#include <ucbhelper/contentidentifier.hxx>
#include <ucbhelper/providerhelper.hxx>
#include "webdavdatasupplier.hxx"
#include "webdavcontent.hxx"
#include "ContentProperties.hxx"
#include "DAVSession.hxx"
#include "NeonUri.hxx"
using namespace com::sun::star;
using namespace webdav_ucp;
namespace webdav_ucp
{
//=========================================================================
//
// struct ResultListEntry.
//
//=========================================================================
struct ResultListEntry
{
rtl::OUString aId;
uno::Reference< ucb::XContentIdentifier > xId;
uno::Reference< ucb::XContent > xContent;
uno::Reference< sdbc::XRow > xRow;
const ContentProperties* pData;
ResultListEntry( const ContentProperties* pEntry ) : pData( pEntry ) {};
~ResultListEntry() { delete pData; }
};
//=========================================================================
//
// 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;
sal_Int32 m_nOpenMode;
sal_Bool m_bCountFinal;
sal_Bool m_bThrowException;
DataSupplier_Impl(
const uno::Reference< lang::XMultiServiceFactory >& rxSMgr,
const rtl::Reference< Content >& rContent,
sal_Int32 nOpenMode )
: m_xContent( rContent ), m_xSMgr( rxSMgr ), m_nOpenMode( nOpenMode ),
m_bCountFinal( sal_False ), m_bThrowException( 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->getResourceAccess().getURL();
const ContentProperties& props
= *( m_pImpl->m_aResults[ nIndex ]->pData );
if ( ( aId.lastIndexOf( '/' ) + 1 ) != aId.getLength() )
aId += rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("/"));
aId += props.getEscapedTitle();
if ( props.isTrailingSlash() )
aId += rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("/"));
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;
}
// Obtain values...
if ( getData() )
{
if ( m_pImpl->m_aResults.size() > nIndex )
{
// Result already present.
return sal_True;
}
}
return sal_False;
}
//=========================================================================
// virtual
sal_uInt32 DataSupplier::totalCount()
{
// Obtain values...
getData();
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 ]->pData),
rtl::Reference< ::ucbhelper::ContentProviderImplHelper >(
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 )
{
if ( m_pImpl->m_bThrowException )
throw ucb::ResultSetException();
}
//=========================================================================
sal_Bool DataSupplier::getData()
{
osl::ClearableGuard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
if ( !m_pImpl->m_bCountFinal )
{
std::vector< rtl::OUString > propertyNames;
ContentProperties::UCBNamesToDAVNames(
getResultSet()->getProperties(), propertyNames );
// Append "resourcetype", if not already present. It's value is
// needed to get a valid ContentProperties::pIsFolder value, which
// is needed for OpenMode handling.
std::vector< rtl::OUString >::const_iterator it
= propertyNames.begin();
std::vector< rtl::OUString >::const_iterator end
= propertyNames.end();
while ( it != end )
{
if ( (*it).equals( DAVProperties::RESOURCETYPE ) )
break;
++it;
}
if ( it == end )
propertyNames.push_back( DAVProperties::RESOURCETYPE );
std::vector< DAVResource > resources;
try
{
// propfind depth 1, get property values for parent AND for each
// child
m_pImpl->m_xContent->getResourceAccess()
.PROPFIND( DAVONE,
propertyNames,
resources,
getResultSet()->getEnvironment() );
}
catch ( DAVException & )
{
// OSL_FAIL( "PROPFIND : DAVException" );
m_pImpl->m_bThrowException = sal_True;
}
if ( !m_pImpl->m_bThrowException )
{
try
{
NeonUri aURI(
m_pImpl->m_xContent->getResourceAccess().getURL() );
rtl::OUString aPath = aURI.GetPath();
if ( aPath.getStr()[ aPath.getLength() - 1 ]
== sal_Unicode( '/' ) )
aPath = aPath.copy( 0, aPath.getLength() - 1 );
aPath = NeonUri::unescape( aPath );
bool bFoundParent = false;
for ( sal_uInt32 n = 0; n < resources.size(); ++n )
{
const DAVResource & rRes = resources[ n ];
// Filter parent, which is contained somewhere(!) in
// the vector.
if ( !bFoundParent )
{
try
{
NeonUri aCurrURI( rRes.uri );
rtl::OUString aCurrPath = aCurrURI.GetPath();
if ( aCurrPath.getStr()[
aCurrPath.getLength() - 1 ]
== sal_Unicode( '/' ) )
aCurrPath
= aCurrPath.copy(
0,
aCurrPath.getLength() - 1 );
aCurrPath = NeonUri::unescape( aCurrPath );
if ( aPath == aCurrPath )
{
bFoundParent = true;
continue;
}
}
catch ( DAVException const & )
{
// do nothing, ignore error. continue.
}
}
ContentProperties* pContentProperties
= new ContentProperties( rRes );
// Check resource against open mode.
switch ( m_pImpl->m_nOpenMode )
{
case ucb::OpenMode::FOLDERS:
{
sal_Bool bFolder = sal_False;
const uno::Any & rValue
= pContentProperties->getValue(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"IsFolder" ) ) );
rValue >>= bFolder;
if ( !bFolder )
continue;
break;
}
case ucb::OpenMode::DOCUMENTS:
{
sal_Bool bDocument = sal_False;
const uno::Any & rValue
= pContentProperties->getValue(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"IsDocument" ) ) );
rValue >>= bDocument;
if ( !bDocument )
continue;
break;
}
case ucb::OpenMode::ALL:
default:
break;
}
m_pImpl->m_aResults.push_back(
new ResultListEntry( pContentProperties ) );
}
}
catch ( DAVException const & )
{
}
}
m_pImpl->m_bCountFinal = sal_True;
// Callback possible, because listeners may be informed!
aGuard.clear();
getResultSet()->rowCountFinal();
}
return !m_pImpl->m_bThrowException;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */