ucb/source/ucp/hierarchy/hierarchyprovider.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
  21 /**************************************************************************
  22                                 TODO
  23  **************************************************************************
  24
  25  - XInitialization::initialize does not work any longer!
  26
  27  *************************************************************************/
  28 #include <osl/diagnose.h>
  29 #include <com/sun/star/beans/PropertyValue.hpp>
  30 #include <com/sun/star/container/XHierarchicalNameAccess.hpp>
  31 #include <com/sun/star/ucb/IllegalIdentifierException.hpp>
  32 #include <com/sun/star/util/theOfficeInstallationDirectories.hpp>
  33 #include <cppuhelper/queryinterface.hxx>
  34 #include <ucbhelper/contentidentifier.hxx>
  35 #include <ucbhelper/getcomponentcontext.hxx>
  36 #include <ucbhelper/macros.hxx>
  37 #include "hierarchyprovider.hxx"
  38 #include "hierarchycontent.hxx"
  39 #include "hierarchyuri.hxx"
  40
  41 #include "../inc/urihelper.hxx"
  42
  43 using namespace com::sun::star;
  44 using namespace hierarchy_ucp;
  45
  46
  47 // HierarchyContentProvider Implementation.
  48
  49
  50 HierarchyContentProvider::HierarchyContentProvider(
  51             const uno::Reference< uno::XComponentContext >& rxContext )
  52 : ::ucbhelper::ContentProviderImplHelper( rxContext )
  53 {
  54 }
  55
  56
  57 // virtual
  58 HierarchyContentProvider::~HierarchyContentProvider()
  59 {
  60 }
  61
  62
  63 // XInterface methods.
  64
  65 void SAL_CALL HierarchyContentProvider::acquire()
  66     throw()
  67 {
  68     OWeakObject::acquire();
  69 }
  70
  71 void SAL_CALL HierarchyContentProvider::release()
  72     throw()
  73 {
  74     OWeakObject::release();
  75 }
  76
  77 css::uno::Any SAL_CALL HierarchyContentProvider::queryInterface( const css::uno::Type & rType )
  78 {
  79     css::uno::Any aRet = cppu::queryInterface( rType,
  80                                                static_cast< lang::XTypeProvider* >(this),
  81                                                static_cast< lang::XServiceInfo* >(this),
  82                                                static_cast< ucb::XContentProvider* >(this),
  83                                                static_cast< lang::XInitialization* >(this)
  84                                                );
  85     return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
  86 }
  87
  88 // XTypeProvider methods.
  89
  90
  91 XTYPEPROVIDER_IMPL_4( HierarchyContentProvider,
  92                       lang::XTypeProvider,
  93                       lang::XServiceInfo,
  94                       ucb::XContentProvider,
  95                       lang::XInitialization );
  96
  97
  98 // XServiceInfo methods.
  99
 100 XSERVICEINFO_COMMOM_IMPL( HierarchyContentProvider,
 101                           "com.sun.star.comp.ucb.HierarchyContentProvider" )
 102 /// @throws css::uno::Exception
 103 static css::uno::Reference< css::uno::XInterface >
 104 HierarchyContentProvider_CreateInstance( const css::uno::Reference< css::lang::XMultiServiceFactory> & rSMgr )
 105 {
 106     css::lang::XServiceInfo* pX = new HierarchyContentProvider( ucbhelper::getComponentContext(rSMgr) );
 107     return css::uno::Reference< css::uno::XInterface >::query( pX );
 108 }
 109
 110 css::uno::Sequence< OUString >
 111 HierarchyContentProvider::getSupportedServiceNames_Static()
 112 {
 113     css::uno::Sequence< OUString > aSNS { "com.sun.star.ucb.HierarchyContentProvider" };
 114     return aSNS;
 115 }
 116
 117 // Service factory implementation.
 118
 119
 120 ONE_INSTANCE_SERVICE_FACTORY_IMPL( HierarchyContentProvider );
 121
 122
 123 // XContentProvider methods.
 124
 125
 126 // virtual
 127 uno::Reference< ucb::XContent > SAL_CALL
 128 HierarchyContentProvider::queryContent(
 129         const uno::Reference< ucb::XContentIdentifier >& Identifier )
 130 {
 131     HierarchyUri aUri( Identifier->getContentIdentifier() );
 132     if ( !aUri.isValid() )
 133         throw ucb::IllegalIdentifierException();
 134
 135     // Encode URL and create new Id. This may "correct" user-typed-in URL's.
 136     uno::Reference< ucb::XContentIdentifier > xCanonicId
 137         = new ::ucbhelper::ContentIdentifier( ::ucb_impl::urihelper::encodeURI( aUri.getUri() ) );
 138     osl::MutexGuard aGuard( m_aMutex );
 139
 140     // Check, if a content with given id already exists...
 141     uno::Reference< ucb::XContent > xContent
 142         = queryExistingContent( xCanonicId ).get();
 143     if ( xContent.is() )
 144         return xContent;
 145
 146     // Create a new content.
 147     xContent = HierarchyContent::create( m_xContext, this, xCanonicId );
 148     registerNewContent( xContent );
 149
 150     if ( xContent.is() && !xContent->getIdentifier().is() )
 151         throw ucb::IllegalIdentifierException();
 152
 153     return xContent;
 154 }
 155
 156
 157 // XInitialization methods.
 158
 159
 160 // virtual
 161 void SAL_CALL HierarchyContentProvider::initialize(
 162                                 const uno::Sequence< uno::Any >& aArguments )
 163 {
 164     if ( aArguments.hasElements() )
 165         OSL_FAIL( "HierarchyContentProvider::initialize : not supported!" );
 166 }
 167
 168
 169 //  Non-interface methods.
 170
 171
 172 uno::Reference< lang::XMultiServiceFactory >
 173 HierarchyContentProvider::getConfigProvider(
 174                                 const OUString & rServiceSpecifier )
 175 {
 176     osl::MutexGuard aGuard( m_aMutex );
 177     ConfigProviderMap::iterator it = m_aConfigProviderMap.find(
 178                                                     rServiceSpecifier );
 179     if ( it == m_aConfigProviderMap.end() )
 180     {
 181         try
 182         {
 183             ConfigProviderMapEntry aEntry;
 184             aEntry.xConfigProvider.set(
 185                                 m_xContext->getServiceManager()->createInstanceWithContext(rServiceSpecifier, m_xContext),
 186                                 uno::UNO_QUERY );
 187
 188             if ( aEntry.xConfigProvider.is() )
 189             {
 190                 m_aConfigProviderMap[ rServiceSpecifier ] = aEntry;
 191                 return aEntry.xConfigProvider;
 192             }
 193         }
 194         catch ( uno::Exception const & )
 195         {
 196 //            OSL_FAIL( //                        "HierarchyContentProvider::getConfigProvider - "
 197 //                        "caught exception!" );
 198         }
 199
 200         OSL_FAIL( "HierarchyContentProvider::getConfigProvider - "
 201                     "No config provider!" );
 202
 203         return uno::Reference< lang::XMultiServiceFactory >();
 204     }
 205
 206     return (*it).second.xConfigProvider;
 207 }
 208
 209 uno::Reference< container::XHierarchicalNameAccess >
 210 HierarchyContentProvider::getRootConfigReadNameAccess(
 211                                 const OUString & rServiceSpecifier )
 212 {
 213     osl::MutexGuard aGuard( m_aMutex );
 214     ConfigProviderMap::iterator it = m_aConfigProviderMap.find(
 215                                                     rServiceSpecifier );
 216     if (it == m_aConfigProviderMap.end())
 217         return uno::Reference< container::XHierarchicalNameAccess >();
 218
 219     if ( !( (*it).second.xRootReadAccess.is() ) )
 220     {
 221         if ( (*it).second.bTriedToGetRootReadAccess )
 222         {
 223             OSL_FAIL( "HierarchyContentProvider::getRootConfigReadNameAccess - "
 224                 "Unable to read any config data! -> #82494#" );
 225             return uno::Reference< container::XHierarchicalNameAccess >();
 226         }
 227
 228         try
 229         {
 230             uno::Reference< lang::XMultiServiceFactory > xConfigProv
 231                 = getConfigProvider( rServiceSpecifier );
 232
 233             if ( xConfigProv.is() )
 234             {
 235                 uno::Sequence< uno::Any > aArguments( 1 );
 236                 beans::PropertyValue      aProperty;
 237                 aProperty.Name = "nodepath" ;
 238                 aProperty.Value <<= OUString(); // root path
 239                 aArguments[ 0 ] <<= aProperty;
 240
 241                 (*it).second.bTriedToGetRootReadAccess = true;
 242
 243                 (*it).second.xRootReadAccess.set(
 244                         xConfigProv->createInstanceWithArguments(
 245                             "com.sun.star.ucb.HierarchyDataReadAccess",
 246                             aArguments ),
 247                         uno::UNO_QUERY );
 248             }
 249         }
 250         catch ( uno::RuntimeException const & )
 251         {
 252             throw;
 253         }
 254         catch ( uno::Exception const & )
 255         {
 256             // createInstance, createInstanceWithArguments
 257
 258             OSL_FAIL( "HierarchyContentProvider::getRootConfigReadNameAccess - "
 259                 "caught Exception!" );
 260         }
 261     }
 262
 263     return (*it).second.xRootReadAccess;
 264 }
 265
 266 uno::Reference< util::XOfficeInstallationDirectories >
 267 HierarchyContentProvider::getOfficeInstallationDirectories()
 268 {
 269     if ( !m_xOfficeInstDirs.is() )
 270     {
 271         osl::MutexGuard aGuard( m_aMutex );
 272         if ( !m_xOfficeInstDirs.is() )
 273         {
 274             OSL_ENSURE( m_xContext.is(), "No service manager!" );
 275
 276             m_xOfficeInstDirs = util::theOfficeInstallationDirectories::get(m_xContext);
 277         }
 278     }
 279     return m_xOfficeInstDirs;
 280 }
 281
 282 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */