content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE 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 General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * reserved comment block
   * DO NOT REMOVE OR ALTER!
   */
  /*
   * Copyright 1999-2004 The Apache Software Foundation.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  /*
   * $Id: DTMSafeStringPool.java,v 1.2.4.1 2005/09/15 08:15:04 suresh_emailid Exp $
   */
  
  package jaxp.sun.org.apache.xml.internal.dtm.ref;
  
  
  /** <p>Like DTMStringPool, but threadsafe. It's been proposed that DTMs
   * share their string pool(s); that raises threadsafety issues which
   * this addresses. Of course performance is inferior to that of the
   * bare-bones version.</p>
   *
   * <p>Status: Passed basic test in main().</p>
   * */
  public class DTMSafeStringPool
  extends DTMStringPool
  {
    public synchronized void removeAllElements()
      {
        super.removeAllElements();
      }
  
    /** @return string whose value is uniquely identified by this integer index.
     * @throws java.lang.ArrayIndexOutOfBoundsException
     *  if index doesn't map to a string.
     * */
    public synchronized String indexToString(int i)
      throws java.lang.ArrayIndexOutOfBoundsException
      {
        return super.indexToString(i);
      }
  
    /** @return integer index uniquely identifying the value of this string. */
    public synchronized int stringToIndex(String s)
      {
        return super.stringToIndex(s);
      }
  
    /** Command-line unit test driver. This test relies on the fact that
     * this version of the pool assigns indices consecutively, starting
     * from zero, as new unique strings are encountered.
     */
    public static void _main(String[] args)
    {
      String[] word={
        "Zero","One","Two","Three","Four","Five",
        "Six","Seven","Eight","Nine","Ten",
        "Eleven","Twelve","Thirteen","Fourteen","Fifteen",
        "Sixteen","Seventeen","Eighteen","Nineteen","Twenty",
        "Twenty-One","Twenty-Two","Twenty-Three","Twenty-Four",
        "Twenty-Five","Twenty-Six","Twenty-Seven","Twenty-Eight",
        "Twenty-Nine","Thirty","Thirty-One","Thirty-Two",
        "Thirty-Three","Thirty-Four","Thirty-Five","Thirty-Six",
        "Thirty-Seven","Thirty-Eight","Thirty-Nine"};
  
      DTMStringPool pool=new DTMSafeStringPool();
  
      System.out.println("If no complaints are printed below, we passed initial test.");
  
      for(int pass=0;pass<=1;++pass)
        {
          int i;
  
          for(i=0;i<word.length;++i)
            {
              int j=pool.stringToIndex(word[i]);
              if(j!=i)
                System.out.println("\tMismatch populating pool: assigned "+
                                   j+" for create "+i);
            }
  
          for(i=0;i<word.length;++i)
            {
              int j=pool.stringToIndex(word[i]);
              if(j!=i)
                System.out.println("\tMismatch in stringToIndex: returned "+
                                   j+" for lookup "+i);
            }
  
          for(i=0;i<word.length;++i)
            {
              String w=pool.indexToString(i);
              if(!word[i].equals(w))
                System.out.println("\tMismatch in indexToString: returned"+
                                   w+" for lookup "+i);
            }
  
          pool.removeAllElements();
  
          System.out.println("\nPass "+pass+" complete\n");
        } // end pass loop
    }
  } // DTMSafeStringPool
  