b4b4c129e9
Change-Id: I641d05e360c3208845a2fa6721ac8ba1ad0f3309 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/137667 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
425 lines
11 KiB
C++
425 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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/**************************************************************************
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TODO
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**************************************************************************
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*************************************************************************/
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#include <osl/diagnose.h>
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#include <com/sun/star/container/XNamed.hpp>
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#include <com/sun/star/ucb/IllegalIdentifierException.hpp>
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#include <com/sun/star/ucb/ResultSetException.hpp>
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#include <ucbhelper/contentidentifier.hxx>
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#include <ucbhelper/providerhelper.hxx>
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#include <utility>
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#include "pkgdatasupplier.hxx"
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#include "pkgcontent.hxx"
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#include "pkgprovider.hxx"
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#include "../inc/urihelper.hxx"
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using namespace com::sun::star;
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using namespace package_ucp;
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// DataSupplier Implementation.
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DataSupplier::DataSupplier(
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uno::Reference< uno::XComponentContext > xContext,
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const rtl::Reference< Content >& rContent )
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: m_xContent( rContent ), m_xContext(std::move( xContext )),
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m_xFolderEnum( rContent->getIterator() ),
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m_bCountFinal( !m_xFolderEnum.is() ), m_bThrowException( m_bCountFinal )
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{
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}
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// virtual
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DataSupplier::~DataSupplier()
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{
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}
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// virtual
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OUString DataSupplier::queryContentIdentifierString( sal_uInt32 nIndex )
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{
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std::unique_lock aGuard( m_aMutex );
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return queryContentIdentifierStringImpl(aGuard, nIndex);
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}
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OUString DataSupplier::queryContentIdentifierStringImpl( std::unique_lock<std::mutex>& rGuard, sal_uInt32 nIndex )
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{
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if ( nIndex < m_aResults.size() )
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{
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OUString aId = m_aResults[ nIndex ].aURL;
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if ( !aId.isEmpty() )
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{
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// Already cached.
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return aId;
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}
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}
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if ( getResultImpl( rGuard, nIndex ) )
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{
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// Note: getResult fills m_aResults[ nIndex ].aURL.
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return m_aResults[ nIndex ].aURL;
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}
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return OUString();
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}
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// virtual
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uno::Reference< ucb::XContentIdentifier >
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DataSupplier::queryContentIdentifier( sal_uInt32 nIndex )
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{
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std::unique_lock aGuard( m_aMutex );
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return queryContentIdentifierImpl(aGuard, nIndex);
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}
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uno::Reference< ucb::XContentIdentifier >
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DataSupplier::queryContentIdentifierImpl( std::unique_lock<std::mutex>& rGuard, sal_uInt32 nIndex )
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{
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if ( nIndex < m_aResults.size() )
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{
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uno::Reference< ucb::XContentIdentifier >& xId
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= m_aResults[ nIndex ].xId;
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if ( xId.is() )
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{
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// Already cached.
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return xId;
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}
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}
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OUString aId = queryContentIdentifierStringImpl( rGuard, nIndex );
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if ( !aId.isEmpty() )
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{
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uno::Reference< ucb::XContentIdentifier > xId
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= new ::ucbhelper::ContentIdentifier( aId );
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m_aResults[ nIndex ].xId = xId;
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return xId;
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}
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return uno::Reference< ucb::XContentIdentifier >();
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}
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// virtual
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uno::Reference< ucb::XContent > DataSupplier::queryContent(
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sal_uInt32 nIndex )
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{
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std::unique_lock aGuard( m_aMutex );
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if ( nIndex < m_aResults.size() )
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{
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uno::Reference< ucb::XContent >& xContent
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= m_aResults[ nIndex ].xContent;
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if ( xContent.is() )
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{
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// Already cached.
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return xContent;
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}
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}
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uno::Reference< ucb::XContentIdentifier > xId
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= queryContentIdentifierImpl( aGuard, nIndex );
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if ( xId.is() )
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{
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try
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{
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uno::Reference< ucb::XContent > xContent
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= m_xContent->getProvider()->queryContent( xId );
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m_aResults[ nIndex ].xContent = xContent;
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return xContent;
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}
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catch ( ucb::IllegalIdentifierException const & )
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{
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}
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}
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return uno::Reference< ucb::XContent >();
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}
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// virtual
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bool DataSupplier::getResult( sal_uInt32 nIndex )
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{
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std::unique_lock aGuard( m_aMutex );
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return getResultImpl(aGuard, nIndex);
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}
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bool DataSupplier::getResultImpl( std::unique_lock<std::mutex>& rGuard, sal_uInt32 nIndex )
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{
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if ( m_aResults.size() > nIndex )
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{
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// Result already present.
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return true;
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}
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// Result not (yet) present.
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if ( m_bCountFinal )
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return false;
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// Try to obtain result...
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sal_uInt32 nOldCount = m_aResults.size();
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bool bFound = false;
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sal_uInt32 nPos = nOldCount;
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while ( m_xFolderEnum->hasMoreElements() )
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{
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try
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{
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uno::Reference< container::XNamed > xNamed;
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m_xFolderEnum->nextElement() >>= xNamed;
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if ( !xNamed.is() )
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{
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OSL_FAIL( "DataSupplier::getResult - Got no XNamed!" );
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break;
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}
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OUString aName = xNamed->getName();
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if ( aName.isEmpty() )
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{
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OSL_FAIL( "DataSupplier::getResult - Empty name!" );
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break;
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}
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// Assemble URL for child.
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OUString aURL = assembleChildURL( aName );
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m_aResults.push_back( ResultListEntry( aURL ) );
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if ( nPos == nIndex )
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{
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// Result obtained.
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bFound = true;
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break;
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}
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nPos++;
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}
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catch ( container::NoSuchElementException const & )
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{
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m_bThrowException = true;
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break;
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}
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catch ( lang::WrappedTargetException const & )
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{
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m_bThrowException = true;
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break;
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}
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}
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if ( !bFound )
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m_bCountFinal = true;
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rtl::Reference< ::ucbhelper::ResultSet > xResultSet = getResultSet();
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if ( xResultSet.is() )
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{
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// Callbacks follow!
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rGuard.unlock();
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if ( nOldCount < m_aResults.size() )
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xResultSet->rowCountChanged(
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nOldCount, m_aResults.size() );
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if ( m_bCountFinal )
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xResultSet->rowCountFinal();
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rGuard.lock();
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}
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return bFound;
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}
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// virtual
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sal_uInt32 DataSupplier::totalCount()
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{
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std::unique_lock aGuard( m_aMutex );
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if ( m_bCountFinal )
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return m_aResults.size();
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sal_uInt32 nOldCount = m_aResults.size();
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while ( m_xFolderEnum->hasMoreElements() )
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{
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try
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{
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uno::Reference< container::XNamed > xNamed;
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m_xFolderEnum->nextElement() >>= xNamed;
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if ( !xNamed.is() )
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{
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OSL_FAIL( "DataSupplier::getResult - Got no XNamed!" );
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break;
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}
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OUString aName = xNamed->getName();
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if ( aName.isEmpty() )
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{
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OSL_FAIL( "DataSupplier::getResult - Empty name!" );
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break;
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}
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// Assemble URL for child.
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OUString aURL = assembleChildURL( aName );
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m_aResults.push_back( ResultListEntry( aURL ) );
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}
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catch ( container::NoSuchElementException const & )
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{
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m_bThrowException = true;
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break;
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}
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catch ( lang::WrappedTargetException const & )
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{
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m_bThrowException = true;
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break;
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}
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}
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m_bCountFinal = true;
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rtl::Reference< ::ucbhelper::ResultSet > xResultSet = getResultSet();
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if ( xResultSet.is() )
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{
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// Callbacks follow!
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aGuard.unlock();
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if ( nOldCount < m_aResults.size() )
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xResultSet->rowCountChanged(
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nOldCount, m_aResults.size() );
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xResultSet->rowCountFinal();
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}
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return m_aResults.size();
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}
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// virtual
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sal_uInt32 DataSupplier::currentCount()
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{
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return m_aResults.size();
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}
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// virtual
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bool DataSupplier::isCountFinal()
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{
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return m_bCountFinal;
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}
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// virtual
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uno::Reference< sdbc::XRow > DataSupplier::queryPropertyValues(
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sal_uInt32 nIndex )
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{
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std::unique_lock aGuard( m_aMutex );
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if ( nIndex < m_aResults.size() )
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{
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uno::Reference< sdbc::XRow >& xRow = m_aResults[ nIndex ].xRow;
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if ( xRow.is() )
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{
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// Already cached.
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return xRow;
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}
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}
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if ( getResultImpl( aGuard, nIndex ) )
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{
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uno::Reference< sdbc::XRow > xRow = Content::getPropertyValues(
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m_xContext,
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getResultSet()->getProperties(),
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static_cast< ContentProvider * >(
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m_xContent->getProvider().get() ),
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queryContentIdentifierStringImpl( aGuard, nIndex ) );
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m_aResults[ nIndex ].xRow = xRow;
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return xRow;
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}
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return uno::Reference< sdbc::XRow >();
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}
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// virtual
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void DataSupplier::releasePropertyValues( sal_uInt32 nIndex )
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{
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std::unique_lock aGuard( m_aMutex );
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if ( nIndex < m_aResults.size() )
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m_aResults[ nIndex ].xRow.clear();
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}
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// virtual
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void DataSupplier::close()
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{
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}
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// virtual
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void DataSupplier::validate()
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{
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if ( m_bThrowException )
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throw ucb::ResultSetException();
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}
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OUString DataSupplier::assembleChildURL( const OUString& aName )
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{
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OUString aURL;
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OUString aContURL
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= m_xContent->getIdentifier()->getContentIdentifier();
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sal_Int32 nParam = aContURL.indexOf( '?' );
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if ( nParam >= 0 )
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{
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aURL = aContURL.copy( 0, nParam );
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sal_Int32 nPackageUrlEnd = aURL.lastIndexOf( '/' );
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if ( nPackageUrlEnd != aURL.getLength() - 1 )
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aURL += "/";
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aURL += ::ucb_impl::urihelper::encodeSegment( aName ) +
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aContURL.subView( nParam );
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}
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else
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{
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aURL = aContURL;
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sal_Int32 nPackageUrlEnd = aURL.lastIndexOf( '/' );
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if ( nPackageUrlEnd != aURL.getLength() - 1 )
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aURL += "/";
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aURL += ::ucb_impl::urihelper::encodeSegment( aName );
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}
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return aURL;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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