/*
    * Copyright 2012-2021 CodeLibs Project and the Others.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *     http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied. See the License for the specific language
   * governing permissions and limitations under the License.
   */
  package org.codelibs.fess.crawler.processor;
  
  import javax.annotation.PostConstruct;
  
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  import org.codelibs.fess.crawler.entity.AccessResult;
  import org.codelibs.fess.crawler.entity.ResponseData;
  import org.codelibs.fess.crawler.entity.ResultData;
  import org.codelibs.fess.crawler.processor.impl.DefaultResponseProcessor;
  import org.codelibs.fess.ingest.IngestFactory;
  import org.codelibs.fess.ingest.Ingester;
  import org.codelibs.fess.util.ComponentUtil;
  
  public class FessResponseProcessor extends DefaultResponseProcessor {
      private static final Logger logger = LogManager.getLogger(FessResponseProcessor.class);
  
      private IngestFactory ingestFactory = null;
  
      @PostConstruct
      public void init() {
          if (ComponentUtil.hasIngestFactory()) {
              ingestFactory = ComponentUtil.getIngestFactory();
          }
      }
  
      @Override
      protected AccessResult<?> createAccessResult(final ResponseData responseData, final ResultData resultData) {
          return super.createAccessResult(responseData, ingest(responseData, resultData));
      }
  
      private ResultData ingest(final ResponseData responseData, final ResultData resultData) {
          if (ingestFactory == null) {
              return resultData;
          }
          ResultData target = resultData;
          for (final Ingester ingester : ingestFactory.getIngesters()) {
              try {
                  target = ingester.process(target, responseData);
              } catch (final Exception e) {
                  logger.warn("Failed to process Ingest[{}]", ingester.getClass().getSimpleName(), e);
              }
          }
          return target;
      }
  }