AbstractGeocoder = function(httpAdapter, options) {
  if (!this.constructor.name) {
    throw new Error('The Constructor must be named');
  }

  this.name = formatGeocoderName(this.constructor.name);

  if (!httpAdapter || httpAdapter == 'undefined') {
    throw new Error(this.constructor.name + ' need an httpAdapter');
  }
  this.httpAdapter = httpAdapter;

  if (!options || options == 'undefined') {
    options = {};
  }

  if (this.options) {
    this.options.forEach(function(option) {
      if (!options[option] || options[option] == 'undefined') {
        options[option] = null;
      }
    });
  }

  this.options = options;
}
AbstractGeocoder Constructor
@param <object> httpAdapter Http Adapter
@param <object> options     Options