All files / ima/extension AbstractExtension.js

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import ns from '../namespace';
import Extension from './Extension';
import GenericError from '../error/GenericError';
 
ns.namespace('ima.extension');
 
/**
 * Abstract extension
 *
 * @abstract
 */
export default class AbstractExtension extends Extension {
  constructor() {
    super();
 
    /**
		 * State manager.
		 *
		 * @protected
		 * @type {PageStateManager}
		 */
    this._pageStateManager = null;
 
    /**
		 * The HTTP response code to send to the client.
		 *
		 * @type {number}
		 */
    this.status = 200;
 
    /**
		 * The route parameters extracted from the current route.
		 *
		 * @type {Object<string, string>}
		 */
    this.params = {};
  }
 
  /**
	 * @inheritdoc
	 */
  init() {}
 
  /**
	 * @inheritdoc
	 */
  destroy() {}
 
  /**
	 * @inheritdoc
	 */
  activate() {}
 
  /**
	 * @inheritdoc
	 */
  deactivate() {}
 
  /**
	 * @inheritdoc
	 * @abstract
	 */
  load() {
    throw new GenericError(
      'The ima.extension.AbstractExtension.load method is abstract ' +
        'and must be overridden'
    );
  }
 
  /**
	 * @inheritdoc
	 */
  update(params = {}) {
    return {};
  }
 
  /**
	 * @inheritdoc
	 */
  setState(statePatch) {
    if (this._pageStateManager) {
      this._pageStateManager.setState(statePatch);
    }
  }
 
  /**
	 * @inheritdoc
	 */
  getState() {
    if (this._pageStateManager) {
      return this._pageStateManager.getState();
    } else {
      return {};
    }
  }
 
  /**
	 * @inheritdoc
	 */
  setRouteParams(params = {}) {
    this.params = params;
  }
 
  /**
	 * @inheritdoc
	 */
  getRouteParams() {
    return this.params;
  }
 
  /**
	 * @inheritdoc
	 */
  setPageStateManager(pageStateManager) {
    this._pageStateManager = pageStateManager;
  }
 
  /**
	 * @inheritdoc
	 */
  getHttpStatus() {
    return this.status;
  }
 
  /**
	 * Returns array of allowed state keys for extension.
	 *
	 * @inheritdoc
	 */
  getAllowedStateKeys() {
    return [];
  }
}
 
ns.ima.extension.AbstractExtension = AbstractExtension;