Merge branch 'feature/code_review_and_refactor' into develop

gcontini

2019-10-19 497745ad31c90545b288e2845049e0ce474bcbe2

 src/library/locate/EnvironmentVarLocation.cpp

New file
@@ -0,0 +1,46 @@
/*
 * EnvironmentVarLocation.cpp
 *
 *  Created on: Oct 12, 2019
 *      Author: Gabriele Contini
 */

#include <build_properties.h>

#include "../base/FileUtils.hpp"
#include "../base/StringUtils.h"
#include "EnvironmentVarLocation.hpp"

namespace license {
namespace locate {
using namespace std;

EnvironmentVarLocation::EnvironmentVarLocation() :
      LocatorStrategy("EnvironmentVarLocation") {
}

EnvironmentVarLocation::~EnvironmentVarLocation() {
}

const vector<string> EnvironmentVarLocation::license_locations(
      EventRegistry &eventRegistry) {
   vector<string> licenseFileFoundWithEnvVariable;

   const string varName(LICENSE_LOCATION_ENV_VAR);
   if (varName.length() > 0) {
      //var name is defined in header files.
      char *env_var_value = getenv(LICENSE_LOCATION_ENV_VAR);
      if (env_var_value != nullptr && env_var_value[0] != '\0') {
         const vector<string> declared_positions = license::split_string(
               string(env_var_value), ';');
         licenseFileFoundWithEnvVariable = license::filter_existing_files(
               declared_positions, eventRegistry, LICENSE_LOCATION_ENV_VAR);
      } else {
         eventRegistry.addEvent(ENVIRONMENT_VARIABLE_NOT_DEFINED);
      }
   }
   return licenseFileFoundWithEnvVariable;
}

}
}