ucb/source/ucp/gio/gio_provider.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/log.hxx>
  21 #include <ucbhelper/contenthelper.hxx>
  22 #include <ucbhelper/getcomponentcontext.hxx>
  23 #include <ucbhelper/macros.hxx>
  24 #include <cppuhelper/queryinterface.hxx>
  25 #include <com/sun/star/ucb/ContentCreationException.hpp>
  26 #include <com/sun/star/ucb/IllegalIdentifierException.hpp>
  27 #include "gio_provider.hxx"
  28 #include "gio_content.hxx"
  29
  30 namespace gio
  31 {
  32 css::uno::Reference< css::ucb::XContent > SAL_CALL
  33 ContentProvider::queryContent(
  34             const css::uno::Reference< css::ucb::XContentIdentifier >& Identifier )
  35 {
  36     SAL_INFO("ucb.ucp.gio", "QueryContent: " << Identifier->getContentIdentifier());
  37     osl::MutexGuard aGuard( m_aMutex );
  38
  39     // Check, if a content with given id already exists...
  40     css::uno::Reference< css::ucb::XContent > xContent = queryExistingContent( Identifier ).get();
  41     if ( xContent.is() )
  42         return xContent;
  43
  44     try
  45     {
  46         xContent = new ::gio::Content(m_xContext, this, Identifier);
  47     }
  48     catch ( css::ucb::ContentCreationException const & )
  49     {
  50         throw css::ucb::IllegalIdentifierException();
  51     }
  52
  53     if ( !xContent->getIdentifier().is() )
  54         throw css::ucb::IllegalIdentifierException();
  55
  56     return xContent;
  57 }
  58
  59 ContentProvider::ContentProvider(
  60     const css::uno::Reference< css::uno::XComponentContext >& rxContext )
  61 : ::ucbhelper::ContentProviderImplHelper( rxContext )
  62 {
  63 }
  64
  65 ContentProvider::~ContentProvider()
  66 {
  67 }
  68
  69 // XInterface
  70 void SAL_CALL ContentProvider::acquire()
  71     throw()
  72 {
  73     OWeakObject::acquire();
  74 }
  75
  76 void SAL_CALL ContentProvider::release()
  77     throw()
  78 {
  79     OWeakObject::release();
  80 }
  81
  82 css::uno::Any SAL_CALL ContentProvider::queryInterface( const css::uno::Type & rType )
  83 {
  84     css::uno::Any aRet = cppu::queryInterface( rType,
  85                                                static_cast< css::lang::XTypeProvider* >(this),
  86                                                static_cast< css::lang::XServiceInfo* >(this),
  87                                                static_cast< css::ucb::XContentProvider* >(this)
  88                                                );
  89     return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
  90 }
  91
  92 XTYPEPROVIDER_IMPL_3( ContentProvider,
  93                       css::lang::XTypeProvider,
  94                       css::lang::XServiceInfo,
  95                       css::ucb::XContentProvider );
  96
  97 XSERVICEINFO_COMMOM_IMPL( ContentProvider,
  98                           "com.sun.star.comp.GIOContentProvider" )
  99 /// @throws css::uno::Exception
 100 static css::uno::Reference< css::uno::XInterface >
 101 ContentProvider_CreateInstance( const css::uno::Reference< css::lang::XMultiServiceFactory> & rSMgr )
 102 {
 103     css::lang::XServiceInfo* pX = new ContentProvider( ucbhelper::getComponentContext(rSMgr) );
 104     return css::uno::Reference< css::uno::XInterface >::query( pX );
 105 }
 106
 107 css::uno::Sequence< OUString >
 108 ContentProvider::getSupportedServiceNames_Static()
 109 {
 110     css::uno::Sequence< OUString > aSNS { "com.sun.star.ucb.GIOContentProvider" };
 111     return aSNS;
 112 }
 113
 114 ONE_INSTANCE_SERVICE_FACTORY_IMPL( ContentProvider );
 115
 116 }
 117
 118 extern "C" SAL_DLLPUBLIC_EXPORT void * ucpgio1_component_getFactory( const sal_Char *pImplName,
 119     void *pServiceManager, void * )
 120 {
 121     void * pRet = nullptr;
 122
 123     css::uno::Reference< css::lang::XMultiServiceFactory > xSMgr
 124         (static_cast< css::lang::XMultiServiceFactory * >( pServiceManager ) );
 125     css::uno::Reference< css::lang::XSingleServiceFactory > xFactory;
 126 #if !GLIB_CHECK_VERSION(2,36,0)
 127     g_type_init();
 128 #endif
 129     if ( ::gio::ContentProvider::getImplementationName_Static().equalsAscii( pImplName ) )
 130         xFactory = ::gio::ContentProvider::createServiceFactory( xSMgr );
 131
 132     if ( xFactory.is() )
 133     {
 134         xFactory->acquire();
 135         pRet = xFactory.get();
 136     }
 137
 138     return pRet;
 139 }
 140
 141 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */