1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #include <vector> 25 26 #include <ucbhelper/contentidentifier.hxx> 27 #include <ucbhelper/providerhelper.hxx> 28 29 #include <com/sun/star/ucb/OpenMode.hpp> 30 31 #include "gio_datasupplier.hxx" 32 #include "gio_content.hxx" 33 #include "gio_provider.hxx" 34 35 #include <stdio.h> 36 37 using namespace com::sun::star; 38 39 using namespace gio; 40 41 namespace gio 42 { 43 44 typedef std::vector< ResultListEntry* > ResultList; 45 46 DataSupplier::DataSupplier( const uno::Reference< lang::XMultiServiceFactory >& rxSMgr, 47 const uno::Reference< ::gio::Content >& rContent, sal_Int32 nOpenMode ) 48 : mxContent(rContent), m_xSMgr(rxSMgr), mnOpenMode(nOpenMode), mbCountFinal(false) 49 { 50 } 51 52 bool DataSupplier::getData() 53 { 54 if (mbCountFinal) 55 return true; 56 57 GFile *pFile = mxContent->getGFile(); 58 59 GFileEnumerator* pEnumerator = g_file_enumerate_children(pFile, "*", 60 G_FILE_QUERY_INFO_NONE, NULL, NULL); 61 62 if (!pEnumerator) 63 return sal_False; 64 65 GFileInfo *pInfo = NULL; 66 while ((pInfo = g_file_enumerator_next_file (pEnumerator, NULL, NULL))) 67 { 68 switch ( mnOpenMode ) 69 { 70 case ucb::OpenMode::FOLDERS: 71 if (g_file_info_get_file_type(pInfo) != G_FILE_TYPE_DIRECTORY) 72 continue; 73 break; 74 case ucb::OpenMode::DOCUMENTS: 75 if (g_file_info_get_file_type(pInfo) != G_FILE_TYPE_REGULAR) 76 continue; 77 break; 78 case ucb::OpenMode::ALL: 79 default: 80 break; 81 } 82 83 maResults.push_back( new ResultListEntry( pInfo ) ); 84 g_object_unref(pInfo); 85 } 86 87 mbCountFinal = sal_True; 88 89 g_file_enumerator_close(pEnumerator, NULL, NULL); 90 return true; 91 } 92 93 DataSupplier::~DataSupplier() 94 { 95 ResultList::const_iterator it = maResults.begin(); 96 ResultList::const_iterator end = maResults.end(); 97 98 while ( it != end ) 99 { 100 delete (*it); 101 it++; 102 } 103 } 104 105 ::rtl::OUString DataSupplier::queryContentIdentifierString( sal_uInt32 nIndex ) 106 { 107 if ( nIndex < maResults.size() ) 108 { 109 ::rtl::OUString aId = maResults[ nIndex ]->aId; 110 if ( aId.getLength() ) 111 { 112 // Already cached. 113 return aId; 114 } 115 } 116 117 if ( getResult( nIndex ) ) 118 { 119 GFile *pFile = mxContent->getGFile(); 120 char* parent = g_file_get_uri(pFile); 121 rtl::OUString aId = rtl::OUString::createFromAscii( parent ); 122 g_free(parent); 123 124 char *escaped_name = 125 g_uri_escape_string( g_file_info_get_name(maResults[ nIndex ]->pInfo) , NULL, false); 126 127 if ( ( aId.lastIndexOf( '/' ) + 1 ) != aId.getLength() ) 128 aId += rtl::OUString::createFromAscii( "/" ); 129 130 aId += rtl::OUString::createFromAscii( escaped_name ); 131 132 g_free( escaped_name ); 133 134 maResults[ nIndex ]->aId = aId; 135 return aId; 136 137 return aId; 138 } 139 140 return ::rtl::OUString(); 141 } 142 143 uno::Reference< ucb::XContentIdentifier > DataSupplier::queryContentIdentifier( sal_uInt32 nIndex ) 144 { 145 if ( nIndex < maResults.size() ) 146 { 147 uno::Reference< ucb::XContentIdentifier > xId = maResults[ nIndex ]->xId; 148 if ( xId.is() ) 149 { 150 // Already cached. 151 return xId; 152 } 153 } 154 155 ::rtl::OUString aId = queryContentIdentifierString( nIndex ); 156 if ( aId.getLength() ) 157 { 158 uno::Reference< ucb::XContentIdentifier > xId = new ucbhelper::ContentIdentifier( aId ); 159 maResults[ nIndex ]->xId = xId; 160 return xId; 161 } 162 163 return uno::Reference< ucb::XContentIdentifier >(); 164 } 165 166 uno::Reference< ucb::XContent > DataSupplier::queryContent( sal_uInt32 nIndex ) 167 { 168 if ( nIndex < maResults.size() ) 169 { 170 uno::Reference< ucb::XContent > xContent = maResults[ nIndex ]->xContent; 171 if ( xContent.is() ) 172 { 173 // Already cached. 174 return xContent; 175 } 176 } 177 178 uno::Reference< ucb::XContentIdentifier > xId = queryContentIdentifier( nIndex ); 179 if ( xId.is() ) 180 { 181 try 182 { 183 uno::Reference< ucb::XContent > xContent = mxContent->getProvider()->queryContent( xId ); 184 maResults[ nIndex ]->xContent = xContent; 185 return xContent; 186 } 187 catch ( ucb::IllegalIdentifierException& ) 188 { 189 } 190 } 191 return uno::Reference< ucb::XContent >(); 192 } 193 194 sal_Bool DataSupplier::getResult( sal_uInt32 nIndex ) 195 { 196 if ( maResults.size() > nIndex ) // Result already present. 197 return sal_True; 198 199 if ( getData() && maResults.size() > nIndex ) 200 return sal_True; 201 202 return sal_False; 203 } 204 205 sal_uInt32 DataSupplier::totalCount() 206 { 207 getData(); 208 return maResults.size(); 209 } 210 211 sal_uInt32 DataSupplier::currentCount() 212 { 213 return maResults.size(); 214 } 215 216 sal_Bool DataSupplier::isCountFinal() 217 { 218 return mbCountFinal; 219 } 220 221 uno::Reference< sdbc::XRow > DataSupplier::queryPropertyValues( sal_uInt32 nIndex ) 222 { 223 if ( nIndex < maResults.size() ) 224 { 225 uno::Reference< sdbc::XRow > xRow = maResults[ nIndex ]->xRow; 226 if ( xRow.is() ) 227 { 228 // Already cached. 229 return xRow; 230 } 231 } 232 233 if ( getResult( nIndex ) ) 234 { 235 uno::Reference< ucb::XContent > xContent( queryContent( nIndex ) ); 236 if ( xContent.is() ) 237 { 238 try 239 { 240 uno::Reference< ucb::XCommandProcessor > xCmdProc( 241 xContent, uno::UNO_QUERY_THROW ); 242 sal_Int32 nCmdId( xCmdProc->createCommandIdentifier() ); 243 ucb::Command aCmd; 244 aCmd.Name = rtl::OUString::createFromAscii( "getPropertyValues" ); 245 aCmd.Handle = -1; 246 aCmd.Argument <<= getResultSet()->getProperties(); 247 uno::Any aResult( xCmdProc->execute( 248 aCmd, nCmdId, getResultSet()->getEnvironment() ) ); 249 uno::Reference< sdbc::XRow > xRow; 250 if ( aResult >>= xRow ) 251 { 252 maResults[ nIndex ]->xRow = xRow; 253 return xRow; 254 } 255 } 256 catch ( uno::Exception const & ) 257 { 258 } 259 } 260 } 261 return uno::Reference< sdbc::XRow >(); 262 } 263 264 void DataSupplier::releasePropertyValues( sal_uInt32 nIndex ) 265 { 266 if ( nIndex < maResults.size() ) 267 maResults[ nIndex ]->xRow = uno::Reference< sdbc::XRow >(); 268 } 269 270 void DataSupplier::close() 271 { 272 } 273 274 void DataSupplier::validate() throw( ucb::ResultSetException ) 275 { 276 } 277 278 } 279