BESFileContainer.cc

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00001 // BESFileContainer.cc
00002 
00003 // This file is part of bes, A C++ back-end server implementation framework
00004 // for the OPeNDAP Data Access Protocol.
00005 
00006 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research
00007 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
00008 //
00009 // This library is free software; you can redistribute it and/or
00010 // modify it under the terms of the GNU Lesser General Public
00011 // License as published by the Free Software Foundation; either
00012 // version 2.1 of the License, or (at your option) any later version.
00013 // 
00014 // This library is distributed in the hope that it will be useful,
00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 // Lesser General Public License for more details.
00018 // 
00019 // You should have received a copy of the GNU Lesser General Public
00020 // License along with this library; if not, write to the Free Software
00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 //
00023 // You can contact University Corporation for Atmospheric Research at
00024 // 3080 Center Green Drive, Boulder, CO 80301
00025  
00026 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
00027 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
00028 //
00029 // Authors:
00030 //      pwest       Patrick West <pwest@ucar.edu>
00031 //      jgarcia     Jose Garcia <jgarcia@ucar.edu>
00032 
00033 #include "BESFileContainer.h"
00034 #include "TheBESKeys.h"
00035 #include "BESUncompressManager.h"
00036 #include "BESCache.h"
00037 #include "BESForbiddenError.h"
00038 
00045 BESFileContainer::BESFileContainer( const string &sym_name,
00046                                     const string &real_name,
00047                                     const string &type )
00048     : BESContainer( sym_name, real_name, type )
00049 {
00050     string::size_type dotdot = real_name.find( ".." ) ;
00051     if( dotdot != string::npos )
00052     {
00053         string s = (string)"'../' not allowed in container real name "
00054                    + real_name ;
00055         throw BESForbiddenError( s, __FILE__, __LINE__ ) ;
00056     }
00057 }
00058 
00063 BESFileContainer::BESFileContainer( const BESFileContainer &copy_from )
00064     : BESContainer( copy_from )
00065 {
00066 }
00067 
00068 void
00069 BESFileContainer::_duplicate( BESContainer &copy_to )
00070 {
00071     BESContainer::_duplicate( copy_to ) ;
00072 }
00073 
00078 BESContainer *
00079 BESFileContainer::ptr_duplicate( )
00080 {
00081     BESContainer *container = new BESFileContainer ;
00082     BESContainer::_duplicate( *container ) ;
00083     return container ;
00084 }
00085 
00091 string
00092 BESFileContainer::access()
00093 {
00094     // This is easy ... create the cache using the different keys
00095     BESKeys *keys = TheBESKeys::TheKeys() ;
00096     BESCache cache( *keys, "BES.CacheDir", "BES.CachePrefix", "BES.CacheSize" );
00097 
00098     _cached = BESUncompressManager::TheManager()->uncompress( get_real_name(),
00099                                                               _target, cache ) ;
00100     if( _cached )
00101         return _target ;
00102     return get_real_name() ;
00103 }
00104 
00112 bool
00113 BESFileContainer::release()
00114 {
00115     // If the file is cached then we will need to release the lock on the
00116     // target
00117     return true ;
00118 }
00119 
00127 void
00128 BESFileContainer::dump( ostream &strm ) const
00129 {
00130     strm << BESIndent::LMarg << "BESFileContainer::dump - ("
00131                              << (void *)this << ")" << endl ;
00132     BESIndent::Indent() ;
00133     BESContainer::dump( strm ) ;
00134     BESIndent::UnIndent() ;
00135 }
00136 

Generated on Wed May 12 09:53:07 2010 for OPeNDAP Hyrax Back End Server (BES) by  doxygen 1.4.7