sfx2/source/bastyp/helper.cxx

   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  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21
  22 #include <string_view>
  23
  24 #include <helper.hxx>
  25 #include <com/sun/star/sdbc/XResultSet.hpp>
  26 #include <com/sun/star/sdbc/XRow.hpp>
  27 #include <com/sun/star/task/InteractionHandler.hpp>
  28 #include <com/sun/star/ucb/CommandAbortedException.hpp>
  29 #include <com/sun/star/ucb/XContentAccess.hpp>
  30 #include <com/sun/star/ucb/XDynamicResultSet.hpp>
  31 #include <com/sun/star/io/XInputStream.hpp>
  32 #include <sal/log.hxx>
  33 #include <tools/diagnose_ex.h>
  34 #include <tools/debug.hxx>
  35 #include <tools/urlobj.hxx>
  36 #include <ucbhelper/content.hxx>
  37 #include <ucbhelper/commandenvironment.hxx>
  38 #include <comphelper/processfactory.hxx>
  39
  40 using namespace com::sun::star;
  41 using namespace comphelper;
  42 using namespace osl;
  43
  44 using ::std::vector;
  45
  46
  47 std::vector<OUString> SfxContentHelper::GetResultSet( const OUString& rURL )
  48 {
  49     vector<OUString> aList;
  50     try
  51     {
  52         ::ucbhelper::Content aCnt( rURL, uno::Reference< ucb::XCommandEnvironment >(), comphelper::getProcessComponentContext() );
  53         uno::Reference< sdbc::XResultSet > xResultSet;
  54         uno::Reference< ucb::XDynamicResultSet > xDynResultSet;
  55
  56         try
  57         {
  58             xDynResultSet = aCnt.createDynamicCursor( { "Title", "ContentType", "IsFolder" } );
  59             if ( xDynResultSet.is() )
  60                 xResultSet = xDynResultSet->getStaticResultSet();
  61         }
  62         catch( const uno::Exception& )
  63         {
  64             TOOLS_WARN_EXCEPTION( "sfx.bastyp", "GetResultSet" );
  65         }
  66
  67
  68         if ( xResultSet.is() )
  69         {
  70             uno::Reference< sdbc::XRow > xRow( xResultSet, uno::UNO_QUERY );
  71             uno::Reference< ucb::XContentAccess > xContentAccess( xResultSet, uno::UNO_QUERY );
  72
  73             try
  74             {
  75                 while ( xResultSet->next() )
  76                 {
  77                     OUString aTitle( xRow->getString(1) );
  78                     OUString aType( xRow->getString(2) );
  79                     OUString aRow = aTitle +
  80                         "\t" +
  81                         aType +
  82                         "\t" +
  83                         xContentAccess->queryContentIdentifierString();
  84                     aList.push_back( aRow );
  85                 }
  86             }
  87             catch( const uno::Exception& )
  88             {
  89                 TOOLS_WARN_EXCEPTION( "sfx.bastyp", "XContentAccess::next()" );
  90             }
  91         }
  92     }
  93     catch( const uno::Exception& )
  94     {
  95         TOOLS_WARN_EXCEPTION( "sfx.bastyp", "GetResultSet");
  96     }
  97
  98     return aList;
  99 }
 100
 101
 102 std::vector< OUString > SfxContentHelper::GetHelpTreeViewContents( const OUString& rURL )
 103 {
 104     vector< OUString > aProperties;
 105     try
 106     {
 107         uno::Reference< uno::XComponentContext > xContext = ::comphelper::getProcessComponentContext();
 108         uno::Reference< task::XInteractionHandler > xInteractionHandler(
 109             task::InteractionHandler::createWithParent(xContext, nullptr), uno::UNO_QUERY_THROW );
 110
 111         ::ucbhelper::Content aCnt( rURL, new ::ucbhelper::CommandEnvironment( xInteractionHandler, uno::Reference< ucb::XProgressHandler >() ), comphelper::getProcessComponentContext() );
 112         uno::Reference< sdbc::XResultSet > xResultSet;
 113
 114         try
 115         {
 116             uno::Reference< ucb::XDynamicResultSet > xDynResultSet = aCnt.createDynamicCursor( { "Title", "IsFolder" } );
 117             if ( xDynResultSet.is() )
 118                 xResultSet = xDynResultSet->getStaticResultSet();
 119         }
 120         catch( const ucb::CommandAbortedException& )
 121         {
 122         }
 123         catch( const uno::Exception& )
 124         {
 125         }
 126
 127         if ( xResultSet.is() )
 128         {
 129             uno::Reference< sdbc::XRow > xRow( xResultSet, uno::UNO_QUERY );
 130             uno::Reference< ucb::XContentAccess > xContentAccess( xResultSet, uno::UNO_QUERY );
 131
 132             try
 133             {
 134                 while ( xResultSet->next() )
 135                 {
 136                     OUString aTitle( xRow->getString(1) );
 137                     bool bFolder = xRow->getBoolean(2);
 138                     OUString aRow = aTitle + "\t" +
 139                         xContentAccess->queryContentIdentifierString() + "\t" +
 140                         (bFolder ? std::u16string_view(u"1") : std::u16string_view(u"0"));
 141                     aProperties.push_back( aRow );
 142                 }
 143             }
 144             catch( const ucb::CommandAbortedException& )
 145             {
 146             }
 147             catch( const uno::Exception& )
 148             {
 149             }
 150         }
 151     }
 152     catch( const uno::Exception& )
 153     {
 154     }
 155
 156     return aProperties;
 157 }
 158
 159
 160 OUString SfxContentHelper::GetActiveHelpString( const OUString& rURL )
 161 {
 162     OUStringBuffer aRet;
 163     try
 164     {
 165         uno::Reference< uno::XComponentContext > xContext = ::comphelper::getProcessComponentContext();
 166         uno::Reference< task::XInteractionHandler > xInteractionHandler(
 167             task::InteractionHandler::createWithParent(xContext, nullptr), uno::UNO_QUERY_THROW );
 168         ::ucbhelper::Content aCnt( rURL, new ::ucbhelper::CommandEnvironment( xInteractionHandler, uno::Reference< ucb::XProgressHandler >() ), comphelper::getProcessComponentContext() );
 169         // open the "active help" stream
 170         uno::Reference< io::XInputStream > xStream = aCnt.openStream();
 171         // and convert it to a String
 172         uno::Sequence< sal_Int8 > lData;
 173         sal_Int32 nRead = xStream->readBytes( lData, 1024 );
 174         while ( nRead > 0 )
 175         {
 176             OString sOldString( reinterpret_cast<char const *>(lData.getConstArray()), nRead );
 177             OUString sString = OStringToOUString( sOldString, RTL_TEXTENCODING_UTF8 );
 178             aRet.append( sString );
 179
 180             nRead = xStream->readBytes( lData, 1024 );
 181         }
 182     }
 183     catch( const uno::Exception& )
 184     {
 185     }
 186
 187     return aRet.makeStringAndClear();
 188 }
 189
 190
 191 bool SfxContentHelper::IsHelpErrorDocument( const OUString& rURL )
 192 {
 193     bool bRet = false;
 194     try
 195     {
 196         ::ucbhelper::Content aCnt( INetURLObject( rURL ).GetMainURL( INetURLObject::DecodeMechanism::NONE ),
 197                       uno::Reference< ucb::XCommandEnvironment >(),
 198                       comphelper::getProcessComponentContext() );
 199         if ( !( aCnt.getPropertyValue( "IsErrorDocument" ) >>= bRet ) )
 200         {
 201             SAL_WARN( "sfx.bastyp", "Property 'IsErrorDocument' is missing" );
 202         }
 203     }
 204     catch( const uno::Exception& )
 205     {
 206     }
 207
 208     return bRet;
 209 }
 210
 211
 212 sal_Int64 SfxContentHelper::GetSize( const OUString& rContent )
 213 {
 214     sal_Int64 nSize = 0;
 215     INetURLObject aObj( rContent );
 216     DBG_ASSERT( aObj.GetProtocol() != INetProtocol::NotValid, "Invalid URL!" );
 217     try
 218     {
 219         ::ucbhelper::Content aCnt( aObj.GetMainURL( INetURLObject::DecodeMechanism::NONE ), uno::Reference< ucb::XCommandEnvironment >(), comphelper::getProcessComponentContext() );
 220         aCnt.getPropertyValue( "Size" ) >>= nSize;
 221     }
 222     catch( const uno::Exception& )
 223     {
 224         TOOLS_WARN_EXCEPTION( "sfx.bastyp", "" );
 225     }
 226     return nSize;
 227 }
 228
 229 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */