/*
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 * and open the template in the editor.
 */
package reports;

import java.util.Iterator;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;

/**
 * Used by JSONArrayIteratingUberspector to allow the "#foreach( $management in
 * $managements )" notation in Apache Velocity to understand JSONArrays.
 */
public final class JSONArrayIterator implements Iterator<Object> {

  private final JSONArray array;
  private int nextIndex;
  private final int length;


  public JSONArrayIterator(JSONArray array) {
    this.array = array;
    nextIndex = 0;
    length = array.length();
  }


  @Override
  public boolean hasNext() {
    return nextIndex < length;
  }


  @Override
  public Object next() {
    nextIndex++;
    try {
      return array.get(nextIndex - 1);
    } catch (JSONException e) {
      throw new IllegalStateException(e);
    }
  }


  @Override
  public void remove() {
    throw new UnsupportedOperationException();
  }
  
}