AllowedSet.java

Go to the documentation of this file.

/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2022 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.elephant.servlet.crawler;
 
import java.util.HashSet;
import java.util.Set;
 
public class AllowedSet {
 
  public boolean isBlackListed(String ip) {
    return ip != null && blackList.contains(ip);
  }
 
  public boolean isWhiteListed(String ip) {
    return ip != null && whiteList.contains(ip);
  }
 
  /* Background */
  
  private final Set<String> blackList = new HashSet<>();
  private final Set<String> whiteList = new HashSet<>();
  
  private void addBlackListed(String ip) {
    blackList.add(ip);
  }
  
  private void addWhiteListed(String ip) {
    whiteList.add(ip);
  }
  
  /* Factory */
 
  private AllowedSet() { }
  
  public static AllowedSet from(CrawlerLists crawlerLists) {
    AllowedSet set = new AllowedSet();
    crawlerLists.getBlackList().forEach(action -> set.addBlackListed(action.getIp()));
    crawlerLists.getWhiteList().forEach(action -> set.addWhiteListed(action.getIp()));
    return set;
  }
  
}