import java.util.*;

/** Test class for library circulation collection objects */
public class CirculationTest {
  
  /** Create some books and journals, exercise their methods, and
   *  experiment with a collection of these. */
  public static void main(String[] args) {
    Book old = new Book("War and Peace", "Tolstoy", "PG3366 .V6 1991");
    Book older = new Book("The Histories", "Herodotus", "PA3612 .P8");
    Journal tome = new Journal("The Economist", "330.5 EC");
    ArrayList articles = new ArrayList();
    articles.add("It's the Economy, Stupid!");
    articles.add("And Another Thing...");
    tome.setArticles(articles);
    old.checkout();
    
    ArrayList collection = new ArrayList();
    collection.add(old);
    collection.add(older);
    collection.add(tome);
    
    // Print contents of collection
    Iterator it = collection.iterator();
    while (it.hasNext()) {
      System.out.println(it.next());
    }
    System.out.println();
    
    // Print titles of items in the collection
    it = collection.iterator();
    while (it.hasNext()) {
      CirculationItem item = (CirculationItem)it.next();
      System.out.println(item.getTitle());
    }
    System.out.println();
    
    // Print names of all book authors
    it = collection.iterator();
    while (it.hasNext()) {
      CirculationItem item = (CirculationItem)it.next();
      if (item instanceof Book) {
        System.out.println(((Book) item).getAuthor());
      }
    }
  }
}