content: /*
   * Copyright (c) 1997 - 2016
   * Actelion Pharmaceuticals Ltd.
   * Gewerbestrasse 16
   * CH-4123 Allschwil, Switzerland
   *
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this
   *    list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   * 3. Neither the name of the the copyright holder nor the
   *    names of its contributors may be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
   * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * @author Thomas Sander
   */
  
  package com.actelion.research.chem;
  
  import java.io.Serializable;
  import java.util.ArrayList;
  
  public class UniqueStringList extends SortedStringList implements Serializable {
      static final long serialVersionUID = 0x20060720;
  
      private ArrayList<String> mOriginalOrder = new ArrayList<String>();
  	private ArrayList<Integer> mIndexList = new ArrayList<Integer>();
  
      public int getSortedListIndex(String s) {
          return super.getListIndex(s);
          }
  
  	public int getListIndex(String s) {
  		int index = super.getListIndex(s);
  		if (index == -1)
  			return -1;
  
  		return mIndexList.get(index).intValue();
  		}
  
  	public int addString(String theString) {
  		int index = super.addString(theString);
  		if (index == -1)
  			return -1;
  
  		int position = mOriginalOrder.size();
  
  		mOriginalOrder.add(theString);
  		mIndexList.add(index, position);
  
  		return position;
  		}
  
      /**
       * @param i list index within list in original order
       * @return string at position i of list in order of the creation
       */
  	public String getStringAt(int i) {
  		return mOriginalOrder.get(i);
  		}
  
  	/**
  	 * @param i list index within sorted list
  	 * @return string at position i of sorted list
  	 */
      public String getSortedStringAt(int i) {
          return super.getStringAt(i);
          }
  
  	public String[] toArray() {
  	    return mOriginalOrder.toArray(new String[0]);
  	    }
  
      public String[] toSortedArray() {
          return super.toArray();
          }
      }
  