document-extraction-service/src/services/CustomExtractorFactory.js

A service for handling document extraction and processing

const CustomExtractionRequestValidator = require('./CustomExtractionRequestValidator');
const CustomExtractionCallbackValidator = require('./CustomExtractionCallbackValidator');
const ExtractionConfig = require('../models/ExtractionConfig');

class CustomExtractorFactory {
  /**
   * Creates a request validator instance
   * @param {Object} config - Configuration for request validation
   * @returns {CustomExtractionRequestValidator}
   */
  createRequestValidator(config) {
    // Validate config using ExtractionConfig
    const validatedConfig = new ExtractionConfig(config);
    const validator = new CustomExtractionRequestValidator(validatedConfig);
    
    // Make validator instance immutable
    return Object.preventExtensions(validator);
  }

  /**
   * Creates a callback validator instance
   * @returns {CustomExtractionCallbackValidator}
   */
  createCallbackValidator() {
    const validator = new CustomExtractionCallbackValidator();
    
    // Make validator instance immutable
    return Object.preventExtensions(validator);
  }
}

module.exports = CustomExtractorFactory;