ucb/source/ucp/hierarchy/hierarchyprovider.cxx

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  29
  30 /**************************************************************************
  31                                 TODO
  32  **************************************************************************
  33
  34  - XInitialization::initialize does not work any longer!
  35
  36  *************************************************************************/
  37 #include <osl/diagnose.h>
  38 #include <com/sun/star/beans/PropertyValue.hpp>
  39 #include <com/sun/star/beans/XPropertySet.hpp>
  40 #include <com/sun/star/container/XHierarchicalNameAccess.hpp>
  41 #include <com/sun/star/util/XOfficeInstallationDirectories.hpp>
  42 #include <ucbhelper/contentidentifier.hxx>
  43 #include "hierarchyprovider.hxx"
  44 #include "hierarchycontent.hxx"
  45 #include "hierarchyuri.hxx"
  46
  47 #include "../inc/urihelper.hxx"
  48
  49 using namespace com::sun::star;
  50 using namespace hierarchy_ucp;
  51
  52 //=========================================================================
  53 //=========================================================================
  54 //
  55 // HierarchyContentProvider Implementation.
  56 //
  57 //=========================================================================
  58 //=========================================================================
  59
  60 HierarchyContentProvider::HierarchyContentProvider(
  61             const uno::Reference< lang::XMultiServiceFactory >& rXSMgr )
  62 : ::ucbhelper::ContentProviderImplHelper( rXSMgr )
  63 {
  64 }
  65
  66 //=========================================================================
  67 // virtual
  68 HierarchyContentProvider::~HierarchyContentProvider()
  69 {
  70 }
  71
  72 //=========================================================================
  73 //
  74 // XInterface methods.
  75 //
  76 //=========================================================================
  77
  78 XINTERFACE_IMPL_4( HierarchyContentProvider,
  79                    lang::XTypeProvider,
  80                    lang::XServiceInfo,
  81                    ucb::XContentProvider,
  82                    lang::XInitialization );
  83
  84 //=========================================================================
  85 //
  86 // XTypeProvider methods.
  87 //
  88 //=========================================================================
  89
  90 XTYPEPROVIDER_IMPL_4( HierarchyContentProvider,
  91                       lang::XTypeProvider,
  92                       lang::XServiceInfo,
  93                       ucb::XContentProvider,
  94                       lang::XInitialization );
  95
  96 //=========================================================================
  97 //
  98 // XServiceInfo methods.
  99 //
 100 //=========================================================================
 101
 102 XSERVICEINFO_IMPL_1( HierarchyContentProvider,
 103                      rtl::OUString( "com.sun.star.comp.ucb.HierarchyContentProvider" ),
 104                      rtl::OUString( HIERARCHY_CONTENT_PROVIDER_SERVICE_NAME ) );
 105
 106 //=========================================================================
 107 //
 108 // Service factory implementation.
 109 //
 110 //=========================================================================
 111
 112 ONE_INSTANCE_SERVICE_FACTORY_IMPL( HierarchyContentProvider );
 113
 114 //=========================================================================
 115 //
 116 // XContentProvider methods.
 117 //
 118 //=========================================================================
 119
 120 // virtual
 121 uno::Reference< ucb::XContent > SAL_CALL
 122 HierarchyContentProvider::queryContent(
 123         const uno::Reference< ucb::XContentIdentifier >& Identifier )
 124     throw( ucb::IllegalIdentifierException, uno::RuntimeException )
 125 {
 126     HierarchyUri aUri( Identifier->getContentIdentifier() );
 127     if ( !aUri.isValid() )
 128         throw ucb::IllegalIdentifierException();
 129
 130     // Encode URL and create new Id. This may "correct" user-typed-in URL's.
 131     uno::Reference< ucb::XContentIdentifier > xCanonicId
 132         = new ::ucbhelper::ContentIdentifier( m_xSMgr,
 133                                               ::ucb_impl::urihelper::encodeURI(
 134                                                   aUri.getUri() ) );
 135     osl::MutexGuard aGuard( m_aMutex );
 136
 137     // Check, if a content with given id already exists...
 138     uno::Reference< ucb::XContent > xContent
 139         = queryExistingContent( xCanonicId ).get();
 140     if ( xContent.is() )
 141         return xContent;
 142
 143     // Create a new content.
 144     xContent = HierarchyContent::create( m_xSMgr, this, xCanonicId );
 145     registerNewContent( xContent );
 146
 147     if ( xContent.is() && !xContent->getIdentifier().is() )
 148         throw ucb::IllegalIdentifierException();
 149
 150     return xContent;
 151 }
 152
 153 //=========================================================================
 154 //
 155 // XInitialization methods.
 156 //
 157 //=========================================================================
 158
 159 // virtual
 160 void SAL_CALL HierarchyContentProvider::initialize(
 161                                 const uno::Sequence< uno::Any >& aArguments )
 162     throw( uno::Exception, uno::RuntimeException )
 163 {
 164     if ( aArguments.getLength() > 0 )
 165         OSL_FAIL( "HierarchyContentProvider::initialize : not supported!" );
 166 }
 167
 168 //=========================================================================
 169 //
 170 //  Non-interface methods.
 171 //
 172 //=========================================================================
 173
 174 uno::Reference< lang::XMultiServiceFactory >
 175 HierarchyContentProvider::getConfigProvider(
 176                                 const rtl::OUString & rServiceSpecifier )
 177 {
 178     osl::MutexGuard aGuard( m_aMutex );
 179     ConfigProviderMap::iterator it = m_aConfigProviderMap.find(
 180                                                     rServiceSpecifier );
 181     if ( it == m_aConfigProviderMap.end() )
 182     {
 183         try
 184         {
 185             ConfigProviderMapEntry aEntry;
 186             aEntry.xConfigProvider
 187                 = uno::Reference< lang::XMultiServiceFactory >(
 188                                 m_xSMgr->createInstance( rServiceSpecifier ),
 189                                 uno::UNO_QUERY );
 190
 191             if ( aEntry.xConfigProvider.is() )
 192             {
 193                 m_aConfigProviderMap[ rServiceSpecifier ] = aEntry;
 194                 return aEntry.xConfigProvider;
 195             }
 196         }
 197         catch ( uno::Exception const & )
 198         {
 199 //            OSL_FAIL( //                        "HierarchyContentProvider::getConfigProvider - "
 200 //                        "caught exception!" );
 201         }
 202
 203         OSL_FAIL( "HierarchyContentProvider::getConfigProvider - "
 204                     "No config provider!" );
 205
 206         return uno::Reference< lang::XMultiServiceFactory >();
 207     }
 208
 209     return (*it).second.xConfigProvider;
 210 }
 211
 212 //=========================================================================
 213 uno::Reference< container::XHierarchicalNameAccess >
 214 HierarchyContentProvider::getRootConfigReadNameAccess(
 215                                 const rtl::OUString & rServiceSpecifier )
 216 {
 217     osl::MutexGuard aGuard( m_aMutex );
 218     ConfigProviderMap::iterator it = m_aConfigProviderMap.find(
 219                                                     rServiceSpecifier );
 220     if ( it != m_aConfigProviderMap.end() )
 221     {
 222         if ( !( (*it).second.xRootReadAccess.is() ) )
 223         {
 224             if ( (*it).second.bTriedToGetRootReadAccess ) // #82494#
 225             {
 226                 OSL_FAIL( "HierarchyContentProvider::getRootConfigReadNameAccess - "
 227                     "Unable to read any config data! -> #82494#" );
 228                 return uno::Reference< container::XHierarchicalNameAccess >();
 229             }
 230
 231             try
 232             {
 233                 uno::Reference< lang::XMultiServiceFactory > xConfigProv
 234                     = getConfigProvider( rServiceSpecifier );
 235
 236                 if ( xConfigProv.is() )
 237                 {
 238                     uno::Sequence< uno::Any > aArguments( 1 );
 239                     beans::PropertyValue      aProperty;
 240                     aProperty.Name = rtl::OUString( "nodepath"  );
 241                     aProperty.Value <<= rtl::OUString(); // root path
 242                     aArguments[ 0 ] <<= aProperty;
 243
 244                     (*it).second.bTriedToGetRootReadAccess = true;
 245
 246                     (*it).second.xRootReadAccess
 247                         = uno::Reference< container::XHierarchicalNameAccess >(
 248                             xConfigProv->createInstanceWithArguments(
 249                                 rtl::OUString( "com.sun.star.ucb.HierarchyDataReadAccess"  ),
 250                                 aArguments ),
 251                             uno::UNO_QUERY );
 252                 }
 253             }
 254             catch ( uno::RuntimeException const & )
 255             {
 256                 throw;
 257             }
 258             catch ( uno::Exception const & )
 259             {
 260                 // createInstance, createInstanceWithArguments
 261
 262                 OSL_FAIL( "HierarchyContentProvider::getRootConfigReadNameAccess - "
 263                     "caught Exception!" );
 264             }
 265         }
 266     }
 267
 268     return (*it).second.xRootReadAccess;
 269 }
 270
 271 //=========================================================================
 272 uno::Reference< util::XOfficeInstallationDirectories >
 273 HierarchyContentProvider::getOfficeInstallationDirectories()
 274 {
 275     if ( !m_xOfficeInstDirs.is() )
 276     {
 277         osl::MutexGuard aGuard( m_aMutex );
 278         if ( !m_xOfficeInstDirs.is() )
 279         {
 280             OSL_ENSURE( m_xSMgr.is(), "No service manager!" );
 281
 282             uno::Reference< uno::XComponentContext > xCtx;
 283             uno::Reference< beans::XPropertySet > xPropSet(
 284                 m_xSMgr, uno::UNO_QUERY );
 285             if ( xPropSet.is() )
 286             {
 287                 xPropSet->getPropertyValue(
 288                     rtl::OUString( "DefaultContext"  ) )
 289                 >>= xCtx;
 290             }
 291
 292             OSL_ENSURE( xCtx.is(),
 293                         "Unable to obtain component context from "
 294                         "service manager!" );
 295
 296             if ( xCtx.is() )
 297             {
 298                 xCtx->getValueByName(
 299                     rtl::OUString( "/singletons/com.sun.star.util.theOfficeInstallationDirectories"  ) )
 300                 >>= m_xOfficeInstDirs;
 301
 302 // Be silent. singleton only available in an Office environment.
 303 //                OSL_ENSURE( m_xOfficeInstDirs.is(),
 304 //                            "Unable to obtain office directories singleton!" );
 305             }
 306         }
 307     }
 308     return m_xOfficeInstDirs;
 309 }
 310
 311 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */