code: package de.itemis.base;
  
  import java.io.BufferedReader;
  import java.io.Reader;
  import java.util.List;
  
  public abstract class GenericListContentProvider<T> extends GenericContentProvider<T> implements ListContentProvider<T>{
  
  	private static final long serialVersionUID = 1L;
  
  	public GenericListContentProvider(String feedUrl) {
  		super(feedUrl);
  	}
  
  	public List<T> getAllItems() {
  		try {
  			BufferedReader reader = prepareReader(); 
  			return extractItems(reader);
  		} catch (Exception e) {
  			e.printStackTrace();
  			return null;
  		}
  	}
  	
  	protected abstract List<T> extractItems(Reader reader) throws Exception;
  
  }
  