| b311480e |
1 | // Created on: 1997-08-08 |
| 2 | // Created by: Jean-Louis Frenkel |
| 3 | // Copyright (c) 1997-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
| 5 | // |
| 6 | // The content of this file is subject to the Open CASCADE Technology Public |
| 7 | // License Version 6.5 (the "License"). You may not use the content of this file |
| 8 | // except in compliance with the License. Please obtain a copy of the License |
| 9 | // at http://www.opencascade.org and read it completely before using this file. |
| 10 | // |
| 11 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
| 12 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
| 13 | // |
| 14 | // The Original Code and all software distributed under the License is |
| 15 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
| 16 | // Initial Developer hereby disclaims all such warranties, including without |
| 17 | // limitation, any warranties of merchantability, fitness for a particular |
| 18 | // purpose or non-infringement. Please see the License for the specific terms |
| 19 | // and conditions governing the rights and limitations under the License. |
| 20 | |
| 7fd59977 |
21 | |
| 22 | |
| 23 | #include <CDF_Session.ixx> |
| 24 | #include <TCollection_ExtendedString.hxx> |
| 25 | #include <CDF_MetaDataDriverFactory.hxx> |
| 26 | #include <Plugin.hxx> |
| 27 | #include <Standard_GUID.hxx> |
| 28 | #include <PCDM.hxx> |
| 29 | #include <PCDM_Reader.hxx> |
| 30 | #include <Standard_ErrorHandler.hxx> |
| 31 | #include <Standard_Failure.hxx> |
| 32 | |
| 33 | static Handle(CDF_Session) CS; |
| 34 | |
| 35 | //======================================================================= |
| 36 | //function : |
| 37 | //purpose : |
| 38 | //======================================================================= |
| 39 | CDF_Session::CDF_Session () : myHasCurrentApplication(Standard_False) |
| 40 | { |
| 41 | Standard_MultiplyDefined_Raise_if(!CS.IsNull()," a session already exists"); |
| 42 | myDirectory = new CDF_Directory(); |
| 43 | CS = this; |
| 44 | } |
| 45 | |
| 46 | //======================================================================= |
| 47 | //function : Exists |
| 48 | //purpose : |
| 49 | //======================================================================= |
| 50 | Standard_Boolean CDF_Session::Exists() { |
| 51 | return !CS.IsNull(); |
| 52 | } |
| 53 | |
| 54 | //======================================================================= |
| 55 | //function : Directory |
| 56 | //purpose : |
| 57 | //======================================================================= |
| 58 | Handle(CDF_Directory) CDF_Session::Directory() const { |
| 59 | |
| 60 | return CS->myDirectory; |
| 61 | } |
| 62 | |
| 63 | //======================================================================= |
| 64 | //function : CurrentSession |
| 65 | //purpose : |
| 66 | //======================================================================= |
| 67 | Handle(CDF_Session) CDF_Session::CurrentSession() { |
| 68 | Standard_NoSuchObject_Raise_if(CS.IsNull(), "no session has been created"); |
| 69 | return CS; |
| 70 | } |
| 71 | |
| 72 | //======================================================================= |
| 73 | //function : HasCurrentApplication |
| 74 | //purpose : |
| 75 | //======================================================================= |
| 76 | Standard_Boolean CDF_Session::HasCurrentApplication() const { |
| 77 | return myHasCurrentApplication; |
| 78 | } |
| 79 | |
| 80 | //======================================================================= |
| 81 | //function : CurrentApplication |
| 82 | //purpose : |
| 83 | //======================================================================= |
| 84 | Handle(CDF_Application) CDF_Session::CurrentApplication() const { |
| 85 | Standard_NoSuchObject_Raise_if(!myHasCurrentApplication,"there is no current application in the session"); |
| 86 | return myCurrentApplication; |
| 87 | } |
| 88 | |
| 89 | //======================================================================= |
| 90 | //function : SetCurrentApplication |
| 91 | //purpose : |
| 92 | //======================================================================= |
| 93 | void CDF_Session::SetCurrentApplication(const Handle(CDF_Application)& anApplication) { |
| 94 | myCurrentApplication = anApplication; |
| 95 | myHasCurrentApplication = Standard_True; |
| 96 | } |
| 97 | |
| 98 | //======================================================================= |
| 99 | //function : UnsetCurrentApplication |
| 100 | //purpose : |
| 101 | //======================================================================= |
| 102 | void CDF_Session::UnsetCurrentApplication() { |
| 103 | myHasCurrentApplication = Standard_False; |
| 104 | myCurrentApplication.Nullify(); |
| 105 | } |
| 106 | |
| 107 | //======================================================================= |
| 108 | //function : MetaDataDriver |
| 109 | //purpose : |
| 110 | //======================================================================= |
| 111 | Handle(CDF_MetaDataDriver) CDF_Session::MetaDataDriver() const { |
| 112 | Standard_NoSuchObject_Raise_if(myMetaDataDriver.IsNull(),"no metadatadriver has been provided; this session is not able to store or retrieve files."); |
| 113 | return myMetaDataDriver; |
| 114 | } |
| 115 | |
| 116 | //======================================================================= |
| 117 | //function : LoadDriver |
| 118 | //purpose : |
| 119 | //======================================================================= |
| 120 | void CDF_Session::LoadDriver() { |
| 121 | myMetaDataDriver=Handle(CDF_MetaDataDriverFactory)::DownCast(Plugin::Load(Standard_GUID("a148e300-5740-11d1-a904-080036aaa103")))->Build(); |
| 122 | } |
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