LibreOffice Module ucb (master) 1
cmis_datasupplier.cxx
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1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2/*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 */
9
10#include <com/sun/star/ucb/OpenMode.hpp>
11
12#include "cmis_datasupplier.hxx"
13#include "cmis_content.hxx"
14
15using namespace com::sun::star;
16
17namespace cmis
18{
19
20 typedef std::vector< ResultListEntry* > ResultList;
21
22 DataSupplier::DataSupplier( ChildrenProvider* pChildrenProvider, sal_Int32 nOpenMode )
23 : m_pChildrenProvider( pChildrenProvider ), mnOpenMode(nOpenMode), mbCountFinal(false)
24 {
25 }
26
28 {
29 if ( mbCountFinal )
30 return;
31
32 std::vector< uno::Reference< ucb::XContent > > aChildren = m_pChildrenProvider->getChildren( );
33
34 // Loop over the results and filter them
35 for ( const auto& rChild : aChildren )
36 {
37 OUString sContentType = rChild->getContentType( );
38 bool bIsFolder = sContentType != CMIS_FILE_TYPE;
39 if ( ( mnOpenMode == ucb::OpenMode::FOLDERS && bIsFolder ) ||
40 ( mnOpenMode == ucb::OpenMode::DOCUMENTS && !bIsFolder ) ||
41 ( mnOpenMode == ucb::OpenMode::ALL ) )
42 {
43 maResults.emplace_back( rChild );
44 }
45 }
46 mbCountFinal = true;
47 }
48
50 {
51 }
52
53 OUString DataSupplier::queryContentIdentifierString( sal_uInt32 nIndex )
54 {
55 auto const xTemp(queryContentIdentifier(nIndex));
56 return (xTemp.is()) ? xTemp->getContentIdentifier() : OUString();
57 }
58
59 uno::Reference< ucb::XContentIdentifier > DataSupplier::queryContentIdentifier( sal_uInt32 nIndex )
60 {
61 auto const xTemp(queryContent(nIndex));
62 return (xTemp.is()) ? xTemp->getIdentifier() : uno::Reference<ucb::XContentIdentifier>();
63 }
64
65 uno::Reference< ucb::XContent > DataSupplier::queryContent( sal_uInt32 nIndex )
66 {
67 if (!getResult(nIndex))
68 return uno::Reference<ucb::XContent>();
69
70 return maResults[ nIndex ].xContent;
71 }
72
73 bool DataSupplier::getResult( sal_uInt32 nIndex )
74 {
75 if ( maResults.size() > nIndex ) // Result already present.
76 return true;
77
78 getData();
79 return maResults.size() > nIndex;
80 }
81
83 {
84 getData();
85 return maResults.size();
86 }
87
89 {
90 return maResults.size();
91 }
92
94 {
95 return mbCountFinal;
96 }
97
98 uno::Reference< sdbc::XRow > DataSupplier::queryPropertyValues( sal_uInt32 nIndex )
99 {
100 if ( nIndex < maResults.size() )
101 {
102 uno::Reference< sdbc::XRow > xRow = maResults[ nIndex ].xRow;
103 if ( xRow.is() )
104 {
105 // Already cached.
106 return xRow;
107 }
108 }
109
110 if ( getResult( nIndex ) )
111 {
112 uno::Reference< ucb::XContent > xContent( queryContent( nIndex ) );
113 if ( xContent.is() )
114 {
115 try
116 {
117 uno::Reference< ucb::XCommandProcessor > xCmdProc(
118 xContent, uno::UNO_QUERY_THROW );
119 sal_Int32 nCmdId( xCmdProc->createCommandIdentifier() );
120 ucb::Command aCmd;
121 aCmd.Name = "getPropertyValues";
122 aCmd.Handle = -1;
123 aCmd.Argument <<= getResultSet()->getProperties();
124 uno::Any aResult( xCmdProc->execute(
125 aCmd, nCmdId, getResultSet()->getEnvironment() ) );
126 uno::Reference< sdbc::XRow > xRow;
127 if ( aResult >>= xRow )
128 {
129 maResults[ nIndex ].xRow = xRow;
130 return xRow;
131 }
132 }
133 catch ( uno::Exception const & )
134 {
135 }
136 }
137 }
138 return uno::Reference< sdbc::XRow >();
139 }
140
141 void DataSupplier::releasePropertyValues( sal_uInt32 nIndex )
142 {
143 if ( nIndex < maResults.size() )
144 maResults[ nIndex ].xRow.clear();
145 }
146
148 {
149 }
150
152 {
153 }
154
155}
156
157/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
virtual std::vector< css::uno::Reference< css::ucb::XContent > > getChildren()=0
virtual sal_uInt32 currentCount() override
virtual css::uno::Reference< css::ucb::XContentIdentifier > queryContentIdentifier(sal_uInt32 nIndex) override
virtual void releasePropertyValues(sal_uInt32 nIndex) override
virtual bool getResult(sal_uInt32 nIndex) override
virtual void close() override
DataSupplier(ChildrenProvider *pChildrenProvider, sal_Int32 nOpenMode)
virtual css::uno::Reference< css::sdbc::XRow > queryPropertyValues(sal_uInt32 nIndex) override
virtual ~DataSupplier() override
virtual OUString queryContentIdentifierString(sal_uInt32 nIndex) override
virtual void validate() override
virtual sal_uInt32 totalCount() override
virtual bool isCountFinal() override
ChildrenProvider * m_pChildrenProvider
virtual css::uno::Reference< css::ucb::XContent > queryContent(sal_uInt32 nIndex) override
std::vector< ResultListEntry > maResults
rtl::Reference< ResultSet > getResultSet() const
sal_Int32 nIndex
::rtl::Reference< OContentHelper > xContent
Reference< XRow > xRow
std::vector< ResultListEntry * > ResultList
constexpr OUStringLiteral CMIS_FILE_TYPE
css::uno::Environment getEnvironment(OUString const &name, std::u16string_view implementation)