[net] deprecate TWebFile, TWebSystem

Author: jblomer

etc/plugins/TFile/P010_TWebFile.C

@@ -1,5 +1,5 @@
 void P010_TWebFile()
 {
-   gPluginMgr->AddHandler("TFile", "^http[s]?:", "TWebFile",
-      "Net", "TWebFile(const char*,Option_t*)");
+   gPluginMgr->AddHandler("TFile", "^http[s]?:", "ROOT::Deprecated::TWebFile",
+      "Net", "ROOT::Deprecated::TWebFile(const char*,Option_t*)");
 }

net/net/inc/LinkDef.h

@@ -29,8 +29,8 @@
 #pragma link C++ class TNetFile;
 #pragma link C++ class TNetFileStager;
 #pragma link C++ class TNetSystem;
-#pragma link C++ class TWebFile;
-#pragma link C++ class TWebSystem;
+#pragma link C++ class ROOT::Deprecated::TWebFile;
+#pragma link C++ class ROOT::Deprecated::TWebSystem;
 #pragma link C++ class TFTP;
 #pragma link C++ class TSQLServer;
 #pragma link C++ class TSQLResult;

net/net/inc/TWebFile.h

@@ -27,13 +27,16 @@
 #include "TSystem.h"
 
 class TSocket;
-class TWebSocket;
 
+namespace ROOT::Deprecated {
+
+class TWebSocket;
+class TWebSystem;
 
 class TWebFile : public TFile {
 
-friend class TWebSocket;
-friend class TWebSystem;
+friend class ROOT::Deprecated::TWebSocket;
+friend class ROOT::Deprecated::TWebSystem;
 
 private:
    TWebFile() : fSocket(nullptr) {}
@@ -118,4 +121,9 @@ class TWebSystem : public TSystem {
    ClassDefOverride(TWebSystem,0)  // Directory handler for HTTP (TWebFiles)
 };
 
+} // namespace ROOT::Deprecated
+
+using TWebFile R__DEPRECATED(6, 42, "TWebFile is deprecated") = ROOT::Deprecated::TWebFile;
+using TWebSystem R__DEPRECATED(6, 42, "TWebSystem is deprecated") = ROOT::Deprecated::TWebSystem;
+
 #endif