ucb/source/ucp/webdav/webdavprovider.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 <ucbhelper/contentidentifier.hxx>
  21 #include <ucbhelper/getcomponentcontext.hxx>
  22 #include <ucbhelper/macros.hxx>
  23 #include "webdavprovider.hxx"
  24 #include "webdavcontent.hxx"
  25
  26 #include <cppuhelper/queryinterface.hxx>
  27 #include <osl/mutex.hxx>
  28 #include <com/sun/star/ucb/IllegalIdentifierException.hpp>
  29
  30 #include <tools/urlobj.hxx>
  31
  32 using namespace com::sun::star;
  33 using namespace http_dav_ucp;
  34
  35
  36 // ContentProvider Implementation.
  37
  38
  39 ContentProvider::ContentProvider(
  40                 const uno::Reference< uno::XComponentContext >& rContext )
  41 : ::ucbhelper::ContentProviderImplHelper( rContext ),
  42   m_xDAVSessionFactory( new DAVSessionFactory )
  43 {
  44 }
  45
  46
  47 // virtual
  48 ContentProvider::~ContentProvider()
  49 {}
  50
  51
  52 // XInterface methods.
  53 void SAL_CALL ContentProvider::acquire()
  54     throw()
  55 {
  56     OWeakObject::acquire();
  57 }
  58
  59 void SAL_CALL ContentProvider::release()
  60     throw()
  61 {
  62     OWeakObject::release();
  63 }
  64
  65 css::uno::Any SAL_CALL ContentProvider::queryInterface( const css::uno::Type & rType )
  66 {
  67     css::uno::Any aRet = cppu::queryInterface( rType,
  68     static_cast< lang::XTypeProvider* >(this),
  69     static_cast< lang::XServiceInfo* >(this),
  70     static_cast< ucb::XContentProvider* >(this)
  71                     );
  72     return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
  73 }
  74
  75 // XTypeProvider methods.
  76
  77
  78 XTYPEPROVIDER_IMPL_3( ContentProvider,
  79                       lang::XTypeProvider,
  80                       lang::XServiceInfo,
  81                       ucb::XContentProvider );
  82
  83
  84 // XServiceInfo methods.
  85
  86 XSERVICEINFO_COMMOM_IMPL( ContentProvider,
  87                           OUString( "com.sun.star.comp.WebDAVContentProvider" ) )
  88 /// @throws css::uno::Exception
  89 static css::uno::Reference< css::uno::XInterface >
  90 ContentProvider_CreateInstance( const css::uno::Reference< css::lang::XMultiServiceFactory> & rSMgr )
  91 {
  92     css::lang::XServiceInfo* pX =
  93                 static_cast<css::lang::XServiceInfo*>(new ContentProvider( ucbhelper::getComponentContext(rSMgr) ));
  94     return css::uno::Reference< css::uno::XInterface >::query( pX );
  95 }
  96
  97 css::uno::Sequence< OUString >
  98 ContentProvider::getSupportedServiceNames_Static()
  99 {
 100     css::uno::Sequence< OUString > aSNS { WEBDAV_CONTENT_PROVIDER_SERVICE_NAME };
 101     return aSNS;
 102 }
 103
 104 // Service factory implementation.
 105
 106
 107 ONE_INSTANCE_SERVICE_FACTORY_IMPL( ContentProvider );
 108
 109
 110 // XContentProvider methods.
 111
 112
 113 // virtual
 114 uno::Reference< ucb::XContent > SAL_CALL
 115 ContentProvider::queryContent(
 116             const uno::Reference<
 117                     ucb::XContentIdentifier >& Identifier )
 118 {
 119     // Check URL scheme...
 120     INetURLObject aURL(Identifier->getContentIdentifier());
 121
 122     if (aURL.isSchemeEqualTo(INetProtocol::NotValid))
 123         throw ucb::IllegalIdentifierException();
 124
 125     if (!aURL.isAnyKnownWebDAVScheme())
 126         throw ucb::IllegalIdentifierException();
 127
 128     uno::Reference< ucb::XContentIdentifier > xCanonicId;
 129
 130     if (aURL.isSchemeEqualTo(INetProtocol::VndSunStarWebdav) ||
 131         aURL.isSchemeEqualTo(DAV_URL_SCHEME) ||
 132         aURL.isSchemeEqualTo(WEBDAV_URL_SCHEME))
 133     {
 134         aURL.changeScheme(INetProtocol::Http);
 135         xCanonicId = new ::ucbhelper::ContentIdentifier( aURL.getExternalURL() );
 136     }
 137     else if (aURL.isSchemeEqualTo(VNDSUNSTARWEBDAVS_URL_SCHEME) ||
 138         aURL.isSchemeEqualTo(DAVS_URL_SCHEME) ||
 139         aURL.isSchemeEqualTo(WEBDAVS_URL_SCHEME))
 140     {
 141         aURL.changeScheme(INetProtocol::Https);
 142         xCanonicId = new ::ucbhelper::ContentIdentifier( aURL.getExternalURL() );
 143     }
 144     else
 145     {
 146         xCanonicId = Identifier;
 147     }
 148
 149     osl::MutexGuard aGuard( m_aMutex );
 150
 151     // Check, if a content with given id already exists...
 152     uno::Reference< ucb::XContent > xContent
 153         = queryExistingContent( xCanonicId ).get();
 154     if ( xContent.is() )
 155         return xContent;
 156
 157     // Create a new content.
 158
 159     try
 160     {
 161         xContent = new ::http_dav_ucp::Content(
 162                         m_xContext, this, xCanonicId, m_xDAVSessionFactory );
 163         registerNewContent( xContent );
 164     }
 165     catch ( ucb::ContentCreationException const & )
 166     {
 167         throw ucb::IllegalIdentifierException();
 168     }
 169
 170     if ( !xContent->getIdentifier().is() )
 171         throw ucb::IllegalIdentifierException();
 172
 173     return xContent;
 174 }
 175
 176 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */