/*
    * 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.helper;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.annotation.PostConstruct;
  
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  import org.codelibs.fess.app.service.DuplicateHostService;
  import org.codelibs.fess.es.config.exentity.DuplicateHost;
  import org.codelibs.fess.util.ComponentUtil;
  
  public class DuplicateHostHelper {
      private static final Logger logger = LogManager.getLogger(DuplicateHostHelper.class);
  
      protected List<DuplicateHost> duplicateHostList;
  
      @PostConstruct
      public void init() {
          if (logger.isDebugEnabled()) {
              logger.debug("Initialize {}", this.getClass().getSimpleName());
          }
          if (duplicateHostList == null) {
              duplicateHostList = new ArrayList<>();
          }
          final DuplicateHostService duplicateHostService = ComponentUtil.getComponent(DuplicateHostService.class);
          duplicateHostList.addAll(duplicateHostService.getDuplicateHostList());
      }
  
      public void setDuplicateHostList(final List<DuplicateHost> duplicateHostList) {
          this.duplicateHostList = duplicateHostList;
      }
  
      public void add(final DuplicateHost duplicateHost) {
          if (duplicateHostList == null) {
              duplicateHostList = new ArrayList<>();
          }
          duplicateHostList.add(duplicateHost);
      }
  
      public String convert(final String url) {
          if (duplicateHostList == null) {
              init();
          }
  
          String newUrl = url;
          for (final DuplicateHost duplicateHost : duplicateHostList) {
              newUrl = duplicateHost.convert(newUrl);
          }
          return newUrl;
      }
  }