gnSourceFactory.h Source File

00001 
00002 // File:            gnSourceFactory.h
00003 // Purpose:         Manage data sources
00004 // Description:     Manages data sources by tracking open files/databases/URLs
00005 // Changes:        
00006 // Version:         libGenome 0.1.0 
00007 // Author:          Aaron Darling 
00008 // Last Edited:     April 15, 2001, 10:34:50pm 
00009 // Modified by:     
00010 // Copyright:       (c) Aaron Darling 
00011 // Licenses:        Proprietary 
00013 #ifndef _gnSourceFactory_h_
00014 #define _gnSourceFactory_h_
00015 
00016 #include "gn/gnDefs.h"
00017 
00018 #include <string>
00019 #include <vector>
00020 #include <map>
00021 #include "gn/gnBaseSource.h"
00022 
00038 class GNDLLEXPORT gnSourceFactory{
00039 public:
00040         ~gnSourceFactory();
00041         
00046         static gnSourceFactory* GetSourceFactory();
00047           // Plugin Sources
00052         uint32 GetSourceClassListSize() const;
00058         boolean DelSourceClass( const string& ext );
00064         gnBaseSource* GetSourceClass( const string& ext ) const;
00070         gnBaseSource* MatchSourceClass( const string& sourceStr ) const;
00076         boolean HasSourceClass( const string& ext ) const;
00084         boolean SetSourceClass( const string& ext, const gnBaseSource& source );
00090         boolean SetDefaultSourceClass( const gnBaseSource* source );
00095         gnBaseSource* GetDefaultSourceClass() const;
00096           // Directory paths to search for sources
00101         uint32 GetPathListSize() const;
00107         boolean AddPath( const string& path );
00113         boolean DelPath( uint32 i );
00120         boolean InsPath( const string& path, uint32 i );
00126         string GetPath( uint32 i ) const;
00132         boolean HasPath( string path ) const;
00133           // Sources
00138         uint32 GetSourceListSize() const;
00146         gnBaseSource* AddSource( const string& sourceStr, boolean searchPaths = true );
00152         gnBaseSource* GetSource( uint32 i ) const;
00159         void DelSource( uint32 i );
00166         boolean DelSource( const gnBaseSource* source );
00173         gnBaseSource* HasSource( string sourceStr, boolean searchPaths = true ) const;
00174                 
00175 private:
00176         gnSourceFactory();
00177         gnSourceFactory(gnSourceFactory& gnsf);
00178         gnSourceFactory& operator=(gnSourceFactory& gnsf);
00179 
00180         boolean PathExists( string path ) const;
00181         static boolean GetURL( const string& urlStr, string& localFile );
00182         
00183         vector< string > m_pathList;
00184         vector< gnBaseSource* > m_sourceList;
00185         map< string, gnBaseSource* > m_sourceClassList;
00186         gnBaseSource* m_pDefaultSourceClass;
00187 };//class gnSourceFactory
00188 
00189 inline
00190 gnSourceFactory* gnSourceFactory::GetSourceFactory()
00191 {
00192         //use construct on first use method to avoid the static constructor
00193         //initialization fiasco...
00194         static gnSourceFactory* m_sSourceFactory = new gnSourceFactory();
00195         return m_sSourceFactory;
00196 }
00197 
00198 // Plugin Sources
00199 inline
00200 uint32 gnSourceFactory::GetSourceClassListSize() const
00201 {
00202         return m_sourceClassList.size();
00203 }
00204 inline
00205 boolean gnSourceFactory::SetDefaultSourceClass( const gnBaseSource* source )
00206 {
00207         if(m_pDefaultSourceClass != NULL){
00208                 delete m_pDefaultSourceClass;
00209         }
00210         m_pDefaultSourceClass = source->Clone();
00211         return true;
00212 }
00213 inline
00214 gnBaseSource* gnSourceFactory::GetDefaultSourceClass() const
00215 {
00216         return m_pDefaultSourceClass;
00217 }
00218 
00219 // Directory paths to search for sources
00220 inline
00221 uint32 gnSourceFactory::GetPathListSize() const
00222 {
00223         return m_pathList.size();
00224 }
00225 inline
00226 uint32 gnSourceFactory::GetSourceListSize() const
00227 {
00228         return m_sourceList.size();
00229 }
00230 
00231 
00232 #endif
00233         // _gnSourceFactory_h_