rimiti/hl7-object-parser

import hl7_2_4 from './hl7-2.4'

export default class Decoder {

  constructor(message, config) {
    this._message = message
    this._config = config
    this._decoder = this._setDynamicDecoder(config.format)
  }

  /**
   * @description Call process method from dynamic class
   * @return {*}
   */
  decode() {
    return this._decoder.process()
  }

  /**
   * @description Instantiate dynamically right class
   * @param format
   * @return {*}
   * @private
   */
  _setDynamicDecoder(format) {
    let obj = (format === 'hl7-2.4') ? new hl7_2_4(this._message, this._config) : null
    if (!obj) throw new Error(`Unknow format: ${format}`)
    return obj
  }
}