graphdb/lib/parser/content-parser.js

Javascript client library supporting GraphDB and RDF4J REST API.

"use strict";

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function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
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/**
 * Abstract class defining the API for content type parsers.
 *
 * @class
 * @author Mihail Radkov
 * @author Svilen Velikov
 */
var ContentParser = /*#__PURE__*/function () {
  /**
   * @param {Object} config is an object containing the parser configuration.
   */
  function ContentParser(config) {
    _classCallCheck(this, ContentParser);
    this.configureParser(config);
  }

  /**
   * Configure the parser instance.
   *
   * @private
   * @param {Object} config
   */
  return _createClass(ContentParser, [{
    key: "configureParser",
    value: function configureParser() {
      var config = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
      this.config = config;
    }

    /**
     * @return {Object} config is the passed during the initialization parser
     * config object.
     */
  }, {
    key: "getConfig",
    value: function getConfig() {
      return this.config;
    }

    /**
     * If implemented by successors, this must return boolean <code>true</code>
     * when the wrapped parser supports stream reading by default or
     * <code>false</code> otherwise.
     *
     * @abstract
     * @return {boolean} if the parser supports streaming by default
     */
  }, {
    key: "isStreaming",
    value: function isStreaming() {
      return false;
    }

    /**
     * Implementations should delegate the actual parsing to underlying parser
     * library or to a custom implementation.
     *
     * @abstract
     * @param {string} content which has to be parsed to given format.
     * @param {Object} [config] optional parser configuration.
     * @return {Term} the converted content.
     */
  }, {
    key: "parse",
    value: function parse(content, config) {
      throw new Error('Method #parse(content) must be implemented!');
    }

    /**
     * @abstract
     * @return {string} the type which underlying parser supports which should be
     * the type under which it was registered in the parser registry.
     */
  }, {
    key: "getSupportedType",
    value: function getSupportedType() {
      throw new Error('Method #getSupportedType() must be implemented!');
    }
  }]);
}();
module.exports = ContentParser;