ucb/source/ucp/webdav/webdavprovider.cxx

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  31                                 TODO
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  35 #include <ucbhelper/contentidentifier.hxx>
  36 #include "webdavprovider.hxx"
  37 #include "webdavcontent.hxx"
  38
  39 #include "osl/mutex.hxx"
  40
  41 using namespace com::sun::star;
  42 using namespace webdav_ucp;
  43
  44 //=========================================================================
  45 //=========================================================================
  46 //
  47 // ContentProvider Implementation.
  48 //
  49 //=========================================================================
  50 //=========================================================================
  51
  52 ContentProvider::ContentProvider(
  53                 const uno::Reference< lang::XMultiServiceFactory >& rSMgr )
  54 : ::ucbhelper::ContentProviderImplHelper( rSMgr ),
  55   m_xDAVSessionFactory( new DAVSessionFactory() ),
  56   m_pProps( 0 )
  57 {
  58 }
  59
  60 //=========================================================================
  61 // virtual
  62 ContentProvider::~ContentProvider()
  63 {
  64     delete m_pProps;
  65 }
  66
  67 //=========================================================================
  68 //
  69 // XInterface methods.
  70 //
  71 //=========================================================================
  72
  73 XINTERFACE_IMPL_3( ContentProvider,
  74                    lang::XTypeProvider,
  75                    lang::XServiceInfo,
  76                    ucb::XContentProvider );
  77
  78 //=========================================================================
  79 //
  80 // XTypeProvider methods.
  81 //
  82 //=========================================================================
  83
  84 XTYPEPROVIDER_IMPL_3( ContentProvider,
  85                       lang::XTypeProvider,
  86                       lang::XServiceInfo,
  87                       ucb::XContentProvider );
  88
  89 //=========================================================================
  90 //
  91 // XServiceInfo methods.
  92 //
  93 //=========================================================================
  94
  95 XSERVICEINFO_IMPL_1( ContentProvider,
  96                      rtl::OUString( "com.sun.star.comp.WebDAVContentProvider" ),
  97                      rtl::OUString( WEBDAV_CONTENT_PROVIDER_SERVICE_NAME ) );
  98
  99 //=========================================================================
 100 //
 101 // Service factory implementation.
 102 //
 103 //=========================================================================
 104
 105 ONE_INSTANCE_SERVICE_FACTORY_IMPL( ContentProvider );
 106
 107 //=========================================================================
 108 //
 109 // XContentProvider methods.
 110 //
 111 //=========================================================================
 112
 113 // virtual
 114 uno::Reference< ucb::XContent > SAL_CALL
 115 ContentProvider::queryContent(
 116             const uno::Reference<
 117                     ucb::XContentIdentifier >& Identifier )
 118     throw( ucb::IllegalIdentifierException,
 119            uno::RuntimeException )
 120 {
 121     // Check URL scheme...
 122
 123     const rtl::OUString aScheme
 124         = Identifier->getContentProviderScheme().toAsciiLowerCase();
 125     if ( aScheme != HTTP_URL_SCHEME && aScheme != HTTPS_URL_SCHEME && aScheme != WEBDAV_URL_SCHEME
 126       && aScheme != DAV_URL_SCHEME && aScheme != DAVS_URL_SCHEME && aScheme != FTP_URL_SCHEME )
 127         throw ucb::IllegalIdentifierException();
 128
 129     // Normalize URL and create new Id, if nessacary.
 130     rtl::OUString aURL = Identifier->getContentIdentifier();
 131
 132     // At least: <scheme> + "://"
 133     if ( aURL.getLength() < ( aScheme.getLength() + 3 ) )
 134         throw ucb::IllegalIdentifierException();
 135
 136     if ( ( aURL.getStr()[ aScheme.getLength() ]     != sal_Unicode( ':' ) ) ||
 137          ( aURL.getStr()[ aScheme.getLength() + 1 ] != sal_Unicode( '/' ) ) ||
 138          ( aURL.getStr()[ aScheme.getLength() + 2 ] != sal_Unicode( '/' ) ) )
 139         throw ucb::IllegalIdentifierException();
 140
 141     uno::Reference< ucb::XContentIdentifier > xCanonicId;
 142
 143     bool bNewId = false;
 144     if ( aScheme == WEBDAV_URL_SCHEME )
 145     {
 146         aURL = aURL.replaceAt( 0,
 147                                WEBDAV_URL_SCHEME_LENGTH,
 148                                rtl::OUString( HTTP_URL_SCHEME ) );
 149         bNewId = true;
 150     }
 151     else if ( aScheme == DAV_URL_SCHEME )
 152     {
 153         aURL = aURL.replaceAt( 0,
 154                                DAV_URL_SCHEME_LENGTH,
 155                                rtl::OUString( HTTP_URL_SCHEME ) );
 156         bNewId = true;
 157     }
 158     else if ( aScheme == DAVS_URL_SCHEME )
 159     {
 160         aURL = aURL.replaceAt( 0,
 161                                DAVS_URL_SCHEME_LENGTH,
 162                                rtl::OUString( HTTPS_URL_SCHEME ) );
 163         bNewId = true;
 164     }
 165
 166     sal_Int32 nPos = aURL.lastIndexOf( '/' );
 167     if ( nPos != aURL.getLength() - 1 )
 168     {
 169         // Find second slash in URL.
 170         nPos = aURL.indexOf( '/', aURL.indexOf( '/' ) + 1 );
 171         if ( nPos == -1 )
 172             throw ucb::IllegalIdentifierException();
 173
 174         nPos = aURL.indexOf( '/', nPos + 1 );
 175         if ( nPos == -1 )
 176         {
 177             aURL += rtl::OUString("/");
 178             bNewId = true;
 179         }
 180     }
 181
 182     if ( bNewId )
 183         xCanonicId = new ::ucbhelper::ContentIdentifier( m_xSMgr, aURL );
 184     else
 185         xCanonicId = Identifier;
 186
 187     osl::MutexGuard aGuard( m_aMutex );
 188
 189     // Check, if a content with given id already exists...
 190     uno::Reference< ucb::XContent > xContent
 191         = queryExistingContent( xCanonicId ).get();
 192     if ( xContent.is() )
 193         return xContent;
 194
 195     // Create a new content.
 196
 197     try
 198     {
 199         xContent = new ::webdav_ucp::Content(
 200                         m_xSMgr, this, xCanonicId, m_xDAVSessionFactory );
 201         registerNewContent( xContent );
 202     }
 203     catch ( ucb::ContentCreationException const & )
 204     {
 205         throw ucb::IllegalIdentifierException();
 206     }
 207
 208     if ( !xContent->getIdentifier().is() )
 209         throw ucb::IllegalIdentifierException();
 210
 211     return xContent;
 212 }
 213
 214 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */