StringTokenizer.java

/*!
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program 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.
 *
 * Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.gwt.widgets.client.utils.string;

import java.util.ArrayList;
import java.util.List;

public class StringTokenizer {
  ArrayList<String> tokens = new ArrayList<String>();

  public StringTokenizer( String text, String delimiters ) {
    if ( text == null || "".equals( text ) ) { //$NON-NLS-1$
      return;
    }
    char[] delimiterArray = delimiters.toCharArray();
    List<Character> delimiterList = new ArrayList<Character>();
    for ( char delim : delimiterArray ) {
      delimiterList.add( delim );
    }
    char[] chars = text.toCharArray();

    int sindex = 0;
    int i;
    for ( i = 0; i < chars.length; i++ ) {
      if ( delimiterList.contains( chars[i] ) ) {
        tokens.add( text.substring( sindex, i ) );
        sindex = i + 1;
      }
    }

    if ( sindex < i ) {
      tokens.add( text.substring( sindex ) );
    }
  }

  public StringTokenizer( String text, char delimiter ) {
    this( text, new String( new char[] { delimiter } ) );
  }

  public int countTokens() {
    return tokens.size();
  }

  public String tokenAt( int index ) {
    return (String) tokens.get( index );
  }
}