//------------------------------------------------------------------------------
// File: CredentialFinder.cc
// Author: Georgios Bitzes - CERN
//------------------------------------------------------------------------------

/************************************************************************
 * EOS - the CERN Disk Storage System                                   *
 * Copyright (C) 2011 CERN/Switzerland                                  *
 *                                                                      *
 * This program is free software: you can redistribute it and/or modify *
 * it under the terms of the GNU General Public License as published by *
 * the Free Software Foundation, either version 3 of the License, or    *
 * (at your option) any later version.                                  *
 *                                                                      *
 * This program is distributed in the hope that it will be useful,      *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
 * GNU General Public License for more details.                         *
 *                                                                      *
 * You should have received a copy of the GNU General Public License    *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.*
 ************************************************************************/

#include <iostream>
#include <sstream>
#include "CredentialFinder.hh"
#include "Utils.hh"

void Environment::fromFile(const std::string& path)
{
  std::string contents;

  if (readFile(path, contents)) {
    fromString(contents);
  }
}

void Environment::fromString(const std::string& str)
{
  contents = split_on_nullbyte(str);
}

void Environment::fromVector(const std::vector<std::string>& vec)
{
  contents = vec;
}

std::string Environment::get(const std::string& key) const
{
  std::string keyWithEquals = key + "=";

  for (size_t i = 0; i < contents.size(); i++) {
    if (startsWith(contents[i], keyWithEquals)) {
      return contents[i].substr(keyWithEquals.size());
    }
  }

  return "";
}

std::vector<std::string> Environment::getAll() const
{
  return contents;
}