/**
 *  <PRE>
 *  ZooBuilding.java
 *
 *  Revisions: 1.0 Sep. 26, 2002
 *               Created the ZooBuilding class
 *             1.1 Sep. 28, 2002
 *				 Finished, Compiled, Commented
 *
 *  </PRE>
 *
 *  Collaboration Statement:
 *    I worked on the homework assignment alone, using only             
 *    course materials.
 *  
 *  Created with JCreatorLE, some indents are off when viewed through notepad
 *    or EMACS
 *
 *  @author <A HREF="mailto:gtg184g@mail.gatech.edu">Jose Manuel Caban</A>
 *  @version Version 1.1, Sep. 28, 2002
 */

public abstract class ZooBuilding {
   
   /**
    *theAnimals list meant for storing 
    *the animals of the building
    */
   private LinkedList theAnimals;
   
   /**
    *holds the name of the building
    */
   private String name;
   
   ////////////////
   //Constructors//
   ////////////////
   
   /*
    *Constructor for ZooBuilding
    *@param name, the name of the zoobuilding
    */
   public ZooBuilding(String name){
   	this.name = name;
   	theAnimals = new LinkedList();
   }
      
   /////////////
   //Accessors//
   /////////////
   
   /**
    *@return the List of Animals
    */
   public LinkedList getTheAnimals(){
   	return theAnimals;
   }
   
   /**
    *@return the value of name
    */
   public String getName(){
   	return name;
   }
   
   /**
    *@return number of Animals in the Zoo
    */
   public int getHungryAnimals(){
   	int total=0;
   	Animal aTemp;
   	for(int i=0; i<theAnimals.size(); i++){
   		aTemp = (Animal)theAnimals.removeFromBack();
   		if(aTemp.getIsHungry() == true){
   			total++;
   		}
   		theAnimals.addToFront(aTemp);
   	}
   	return total;
   	
   }
   
   ///////////
   //Methods//
   ///////////
   
   /**
    *Check if its safe to enter
    *@return yes/no
    */
   public abstract boolean isSafeToEnter();
   
   /**
    *Feed the Animals param food
    *@param food, the food to feed all the animals
    */
   public void feedAnimals(String food){
   	//why feed them if there is a sign clearly saying not to?
   	if(!(isSafeToEnter())){
   		System.out.println("The building is unsafe to enter!");
   		return;
   	}
   	Animal aTemp;
   	for(int i=0; i<theAnimals.size(); i++){
   		aTemp = (Animal)theAnimals.removeFromBack();
   		aTemp.eat(food);
   		theAnimals.addToFront(aTemp);
   	}
   }
   
  /*******************************************************/

  /**
   *  Debugging main for class ZooBuilding.  
   *  This method will rigorously test my code.
   *
   *  <br><br>
   *  @param args a String array of command line arguments.
   */
  public static void main(String[] args) {
       
  }// end of main(String[] args)

}// end of class ZooBuilding