Test two polygons(GeneralPath) for equality in Java

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import java.awt.Shape;
import java.awt.geom.GeneralPath;
import java.awt.geom.PathIterator;
import java.util.Arrays;
/**
 * Utility methods for {@link Shape} objects.
 *
 * @author David Gilbert
 */
public class Main {
   public static void main(String[] argv){

   }
        
  /**
   * Tests two polygons for equality.  If both are <code>null</code> this
   * method returns <code>true</code>.
   *
   * @param p1  path 1 (<code>null</code> permitted).
   * @param p2  path 2 (<code>null</code> permitted).
   *
   * @return A boolean.
   */
  public static boolean equal(final GeneralPath p1, final GeneralPath p2) {
      if (p1 == null) {
          return (p2 == null);
      }
      if (p2 == null) {
          return false;
      }
      if (p1.getWindingRule() != p2.getWindingRule()) {
          return false;
      }
      PathIterator iterator1 = p1.getPathIterator(null);
      PathIterator iterator2 = p2.getPathIterator(null);
      double[] d1 = new double[6];
      double[] d2 = new double[6];
      boolean done = iterator1.isDone() && iterator2.isDone();
      while (!done) {
          if (iterator1.isDone() != iterator2.isDone()) {
              return false;
          }
          int seg1 = iterator1.currentSegment(d1);
          int seg2 = iterator2.currentSegment(d2);
          if (seg1 != seg2) {
              return false;
          }
          if (!Arrays.equals(d1, d2)) {
              return false;
          }
          iterator1.next();
          iterator2.next();
          done = iterator1.isDone() && iterator2.isDone();
      }
      return true;
  }

}

   
/* 
 * JCommon : a free general purpose class library for the Java(tm) platform
 * 
 *
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jcommon/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * -------------------
 * ShapeUtilities.java
 * -------------------
 * (C)opyright 2003-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 */