// @(#)root/net:$Id: TGridJDL.cxx 20882 2007-11-19 11:31:26Z rdm $
// Author: Jan Fiete Grosse-Oetringhaus   28/9/2004

/*************************************************************************
 * Copyright (C) 1995-2004, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/

//////////////////////////////////////////////////////////////////////////
//                                                                      //
// TGridJDL                                                             //
//                                                                      //
// Abstract base class to generate JDL files for job submission to the  //
// Grid.                                                                //
//                                                                      //
// Related classes are TGLiteJDL.                                       //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#include "TGridJDL.h"
#include "TObjString.h"
#include "Riostream.h"


ClassImp(TGridJDL)

//______________________________________________________________________________
TGridJDL::~TGridJDL()
{
   // Cleanup.

   Clear();
}

//______________________________________________________________________________
void TGridJDL::Clear(const Option_t*)
{
   // Clears the JDL information.

   fMap.DeleteAll();
}

//______________________________________________________________________________
void TGridJDL::SetValue(const char *key, const char *value)
{
   // Sets a value. If the entry already exists the old one is replaced.

   TObject *object = fMap.FindObject(TString(key));
   TPair *pair = dynamic_cast<TPair*>(object);
   if (pair) {
      TObject *oldObject = pair->Key();
      if (oldObject) {
         TObject *oldValue = pair->Value();

         fMap.Remove(oldObject);
         delete oldObject;
         oldObject = 0;

         if (oldValue) {
            delete oldValue;
            oldValue = 0;
         }
      }
   }

   fMap.Add(new TObjString(key), new TObjString(value));
}

//______________________________________________________________________________
const char *TGridJDL::GetValue(const char *key)
{
   // Returns the value corresponding to the provided key. Return 0 in case
   // key is not found.

   if (!key)
      return 0;

   TObject *object = fMap.FindObject(TString(key));
   if (!object)
      return 0;

   TPair *pair = dynamic_cast<TPair*>(object);
   if (!pair)
      return 0;

   TObject *value = pair->Value();
   if (!value)
      return 0;

   TObjString *string = dynamic_cast<TObjString*>(value);
   if (!string)
      return 0;

   return string->GetString();
}

//______________________________________________________________________________
TString TGridJDL::AddQuotes(const char *value)
{
   // Adds quotes to the provided string.
   //  E.g. Value --> "Value"

   TString temp = TString("\"");
   temp += value;
   temp += "\"";

   return temp;
}

//______________________________________________________________________________
void TGridJDL::AddToSet(const char *key, const char *value)
{
   // Adds a value to a key value which hosts a set of values.
   // E.g. InputSandbox: {"file1","file2"}

   const char *oldValue = GetValue(key);
   TString newString;
   if (oldValue)
      newString = oldValue;
   if (newString.IsNull()) {
      newString = "{";
   } else {
      newString.Remove(newString.Length()-1);
      newString += ",";
   }

   newString += AddQuotes(value);
   newString += "}";

   SetValue(key, newString);
}

//______________________________________________________________________________
TString TGridJDL::Generate()
{
   // Generates the JDL snippet.

   TString output("");

   TIter next(&fMap);

   TObject *object = 0;
   while ((object = next())) {
      TObjString *key = dynamic_cast<TObjString*>(object);
      if (key) {
         TObject *value = fMap.GetValue(object);
         TObjString *valueobj = dynamic_cast<TObjString*>(value);

         if (valueobj) {
            output += key->GetString();
            output += " = ";
            output += valueobj->GetString();
            output += ";\n";
         }
      }
   }

   return output;
}

Last update: Thu Jan 17 08:57:12 2008

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