SocialImageMap.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2018 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.web;
 
import java.util.Collection;
import java.util.TreeMap;
import org.turro.elephant.impl.repository.RepositoryFile;
 
public class SocialImageMap {
  
  public static void initialize(SocialNet context, Collection<RepositoryFile> files) {
    context.setImage(SocialImageMap.getImage(context.getUrl()));
    if(!context.hasImage()) {
      SocialImage si = SocialImage.getFromFiles(files);
      if(si != null) {
        context.setImage(si);
        SocialImageMap.putImage(context.getUrl(), si);
      }
    }
  }
  
  public static void putImage(String url, SocialImage image) {
    _map.put(url, image);
  }
  
  public static SocialImage getImage(String url) {
    return _map.get(url);
  }
  
  public static boolean hasImage(String url) {
    return _map.get(url) != null;
  }
  
  public static void reset() {
    _map.clear();
  }
  
  private static final TreeMap<String, SocialImage> _map = new TreeMap<>();
 
  private SocialImageMap() {
  }  
 
}