package at.gv.egiz.eaaf.core.impl.utils;

import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
import at.gv.egiz.eaaf.core.exceptions.EaafConfigurationException;
import lombok.extern.slf4j.Slf4j;

/**
 * Utils for configuration value mapping.
 * 
 * @author tlenz
 *
 */
@Slf4j
public class ConfigurationUtils {


  /**
   * Parse Integer value from configuration.
   * 
   * @param basicConfig Configuration object
   * @param propertyKey Configuration key
   * @return Configuration value
   * @throws EaafConfigurationException If configuration value is not an Integer
   */
  public static int parseInteger(IConfiguration basicConfig, String propertyKey)
      throws EaafConfigurationException {
    try {
      return Integer.parseInt(basicConfig.getBasicConfiguration(propertyKey));

    } catch (NumberFormatException e) {
      log.error("Can not read Integer value from configuration: {}", propertyKey, e);
      throw new EaafConfigurationException("internal.configuration.02",
          new Object[] { propertyKey, Integer.class.getSimpleName() }, e);

    }
  }

  /**
   * Parse Long value from configuration.
   * 
   * @param basicConfig Configuration object
   * @param propertyKey Configuration key
   * @return Configuration value
   * @throws EaafConfigurationException If configuration value is not an Long
   */
  public static long parseLong(IConfiguration basicConfig, String propertyKey)
      throws EaafConfigurationException {
    try {
      return Long.parseLong(basicConfig.getBasicConfiguration(propertyKey));

    } catch (NumberFormatException e) {
      log.error("Can not read Long value from configuration: {}", propertyKey, e);
      throw new EaafConfigurationException("internal.configuration.02",
          new Object[] { propertyKey, Long.class.getSimpleName() }, e);

    }
  }

  private ConfigurationUtils() {

  }
}