projects / occt.git / blame
| Commit | Line | Data |
|---|---|---|
| b311480e | 1 | // Created on: 1997-08-08 |
| 2 | // Created by: Jean-Louis Frenkel | |
| 3 | // Copyright (c) 1997-1999 Matra Datavision | |
| 973c2be1 | 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| b311480e | 5 | // |
| 973c2be1 | 6 | // This file is part of Open CASCADE Technology software library. |
| b311480e | 7 | // |
| d5f74e42 | 8 | // This library is free software; you can redistribute it and/or modify it under |
| 9 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
| 973c2be1 | 10 | // by the Free Software Foundation, with special exception defined in the file |
| 11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
| 12 | // distribution for complete text of the license and disclaimer of any warranty. | |
| b311480e | 13 | // |
| 973c2be1 | 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. | |
| 7fd59977 | 16 | |
| 42cf5bc1 | 17 | |
| 18 | #include <CDF_Application.hxx> | |
| 19 | #include <CDF_Directory.hxx> | |
| b6c0b841 | 20 | #include <CDF_FWOSDriver.hxx> |
| 42cf5bc1 | 21 | #include <CDF_MetaDataDriver.hxx> |
| 22 | #include <CDF_MetaDataDriverFactory.hxx> | |
| 23 | #include <CDF_Session.hxx> | |
| 7fd59977 | 24 | #include <PCDM.hxx> |
| 25 | #include <PCDM_Reader.hxx> | |
| 42cf5bc1 | 26 | #include <Plugin.hxx> |
| 7fd59977 | 27 | #include <Standard_ErrorHandler.hxx> |
| 28 | #include <Standard_Failure.hxx> | |
| 42cf5bc1 | 29 | #include <Standard_GUID.hxx> |
| 30 | #include <Standard_MultiplyDefined.hxx> | |
| 31 | #include <Standard_NoSuchObject.hxx> | |
| 32 | #include <Standard_Type.hxx> | |
| 33 | #include <TCollection_ExtendedString.hxx> | |
| 7fd59977 | 34 | |
| 35 | static Handle(CDF_Session) CS; | |
| 36 | ||
| 37 | //======================================================================= | |
| 38 | //function : | |
| 39 | //purpose : | |
| 40 | //======================================================================= | |
| 41 | CDF_Session::CDF_Session () : myHasCurrentApplication(Standard_False) | |
| 42 | { | |
| 43 | Standard_MultiplyDefined_Raise_if(!CS.IsNull()," a session already exists"); | |
| 44 | myDirectory = new CDF_Directory(); | |
| 45 | CS = this; | |
| 46 | } | |
| 47 | ||
| 48 | //======================================================================= | |
| 49 | //function : Exists | |
| 50 | //purpose : | |
| 51 | //======================================================================= | |
| 52 | Standard_Boolean CDF_Session::Exists() { | |
| 53 | return !CS.IsNull(); | |
| 54 | } | |
| 55 | ||
| 56 | //======================================================================= | |
| 57 | //function : Directory | |
| 58 | //purpose : | |
| 59 | //======================================================================= | |
| 60 | Handle(CDF_Directory) CDF_Session::Directory() const { | |
| 61 | ||
| 62 | return CS->myDirectory; | |
| 63 | } | |
| 64 | ||
| 65 | //======================================================================= | |
| 66 | //function : CurrentSession | |
| 67 | //purpose : | |
| 68 | //======================================================================= | |
| 69 | Handle(CDF_Session) CDF_Session::CurrentSession() { | |
| 70 | Standard_NoSuchObject_Raise_if(CS.IsNull(), "no session has been created"); | |
| 71 | return CS; | |
| 72 | } | |
| 73 | ||
| 74 | //======================================================================= | |
| 75 | //function : HasCurrentApplication | |
| 76 | //purpose : | |
| 77 | //======================================================================= | |
| 78 | Standard_Boolean CDF_Session::HasCurrentApplication() const { | |
| 79 | return myHasCurrentApplication; | |
| 80 | } | |
| 81 | ||
| 82 | //======================================================================= | |
| 83 | //function : CurrentApplication | |
| 84 | //purpose : | |
| 85 | //======================================================================= | |
| 86 | Handle(CDF_Application) CDF_Session::CurrentApplication() const { | |
| 87 | Standard_NoSuchObject_Raise_if(!myHasCurrentApplication,"there is no current application in the session"); | |
| 88 | return myCurrentApplication; | |
| 89 | } | |
| 90 | ||
| 91 | //======================================================================= | |
| 92 | //function : SetCurrentApplication | |
| 93 | //purpose : | |
| 94 | //======================================================================= | |
| 95 | void CDF_Session::SetCurrentApplication(const Handle(CDF_Application)& anApplication) { | |
| 96 | myCurrentApplication = anApplication; | |
| 97 | myHasCurrentApplication = Standard_True; | |
| 98 | } | |
| 99 | ||
| 100 | //======================================================================= | |
| 101 | //function : UnsetCurrentApplication | |
| 102 | //purpose : | |
| 103 | //======================================================================= | |
| 104 | void CDF_Session::UnsetCurrentApplication() { | |
| 105 | myHasCurrentApplication = Standard_False; | |
| 106 | myCurrentApplication.Nullify(); | |
| 107 | } | |
| 108 | ||
| 109 | //======================================================================= | |
| 110 | //function : MetaDataDriver | |
| 111 | //purpose : | |
| 112 | //======================================================================= | |
| 113 | Handle(CDF_MetaDataDriver) CDF_Session::MetaDataDriver() const { | |
| 114 | Standard_NoSuchObject_Raise_if(myMetaDataDriver.IsNull(),"no metadatadriver has been provided; this session is not able to store or retrieve files."); | |
| 115 | return myMetaDataDriver; | |
| 116 | } | |
| 117 | ||
| 118 | //======================================================================= | |
| 119 | //function : LoadDriver | |
| 120 | //purpose : | |
| 121 | //======================================================================= | |
| 122 | void CDF_Session::LoadDriver() { | |
| b6c0b841 RL |
123 | if (myMetaDataDriver.IsNull()) { |
| 124 | Handle(CDF_MetaDataDriverFactory) aFactory; | |
| 125 | try { | |
| 126 | aFactory = Handle(CDF_MetaDataDriverFactory)::DownCast ( | |
| 127 | Plugin::Load (Standard_GUID ("a148e300-5740-11d1-a904-080036aaa103"), | |
| 128 | Standard_False /*theVerbose*/)); | |
| 129 | } catch (const Standard_Failure&) { | |
| 130 | } | |
| 131 | if (!aFactory.IsNull()) { | |
| 132 | myMetaDataDriver = aFactory->Build(); | |
| 133 | } else { | |
| 134 | myMetaDataDriver = new CDF_FWOSDriver; | |
| 135 | } | |
| 136 | } | |
| 7fd59977 | 137 | } |