NET/worlds/scape/ShallowEnumeration.java


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package NET.worlds.scape;

import java.util.Vector;

public class ShallowEnumeration extends DeepEnumeration<Object> {
   public ShallowEnumeration(SuperRoot o) {
      this.roots.addElement(o);
      o.getChildren(this);
   }

   @Override
   protected void getNextElement() {
      this.valueRetrieved = false;
      if (!this.roots.isEmpty()) {
         this.nextValue = this.roots.elementAt(this.roots.size() - 1);

         assert this.nextValue != null;

         this.roots.removeElementAt(this.roots.size() - 1);
      } else if (this.currentIndex >= 0) {
         try {
            this.nextValue = (SuperRoot)this.currentVector.elementAt(this.currentIndex--);
         } catch (ArrayIndexOutOfBoundsException var2) {
            this.currentIndex = this.currentVector.size() - 1;
            this.getNextElement();
         }

         assert this.nextValue != null;
      } else if (!this.vectors.isEmpty()) {
         this.currentVector = (Vector<Object>)this.vectors.elementAt(this.vectors.size() - 1);
         this.currentIndex = this.currentVector.size() - 1;
         this.vectors.removeElementAt(this.vectors.size() - 1);
         this.getNextElement();
      } else {
         this.nextValue = null;
      }
   }
}