DbAccess.cpp

Go to the documentation of this file.

#include <string>
#include <vector>
#include <sstream>
#include <iostream>

using std::ostringstream;

#include "DbAccess.h"
#include "Pvl.h"
#include "PvlGroup.h"
#include "PvlObject.h"
#include "IString.h"

namespace Isis {

  DbAccess::DbAccess(const QString &dbaccFile,
                     const QString &defProfileName) : DbProfile("Database"),
    _defProfileName(defProfileName), _profiles() {
    load(dbaccFile);
  }


  DbAccess::DbAccess(PvlObject &pvl, const QString &defProfileName) :
    DbProfile("Database"), _defProfileName(defProfileName),
    _profiles() {
    load(pvl);
  }

  const DbProfile DbAccess::getProfile(const QString &name) const {
    QString defName(name);
    if(defName.isEmpty()) {
      defName = getDefaultProfileName();
    }
    else {
      if(!_profiles.exists(defName)) {
        return (DbProfile(defName));
      }
    }

//  We have identified the proper profile
    if(_profiles.exists(defName)) {
      //   Return the composite of this access scheme
      return(DbProfile(*this, _profiles.get(defName), defName));
    }
    else {
      //  Return only the high level database access keys and hope it is enough
      return (DbProfile(*this, DbProfile(), defName));
    }
  }

  const DbProfile DbAccess::getProfile(int nth) const {
    const DbProfile &p = _profiles.getNth(nth);
    return(DbProfile(*this, p, p.Name()));
  }

  void DbAccess::load(const QString &filename) {
    Pvl pvl(filename);
    PvlObject db = pvl.findObject("Database");
    load(db);
  }

  void DbAccess::load(PvlObject &pvl) {

    //  Load database keywords
    loadkeys(pvl);

    //  Get all database user access profiles
    PvlObject::PvlGroupIterator group = pvl.findGroup("Profile",
                                        pvl.beginGroup(),
                                        pvl.endGroup());
    while(group != pvl.endGroup()) {
      DbProfile dbgroup(*group);
      _profiles.add(dbgroup.Name(), dbgroup);
      group = pvl.findGroup("Profile", ++group, pvl.endGroup());
    }
    return;
  }

  QString DbAccess::getDefaultProfileName() const {
    if(!_defProfileName.isEmpty()) {
      return (_defProfileName);
    }
    else if(exists("DefaultProfile")) {
      return (value("DefaultProfile"));
    }
    return ("");
  }


}