package org.jtheque.films.services.impl.utils.search;

 import org.jtheque.utils.collections.CollectionUtils;

 import org.jtheque.utils.collections.Filter;

 import java.util.ArrayList;

 import java.util.Collection;

 /*

  * This file is part of JTheque.

  *            

  * JTheque is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, either version 3 of the License. 

  *

  * JTheque 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 General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with JTheque.  If not, see <http://www.gnu.org/licenses/>.

  */

 /**

  * A data searcher. It search on a selected Collection using some filters.

  *

  * @author Baptiste Wicht

  * @param <T> The type of data to search.

  */

 public final class DataSearcher<T> implements Searcher<T> {

     private final Collection<Filter<T>> filters = new ArrayList<Filter<T>>(10);

     @Override

     public void addFilter(Filter<T> filter) {

         filters.add(filter);

     }

     @Override

     public Collection<T> search(Collection<T> datas) {

         Collection<T> filteredCopy = new ArrayList<T>(datas);

         for (Filter<T> filter : filters) {

             CollectionUtils.filter(filteredCopy, filter);

         }

         return filteredCopy;

     }

 }