jvanzyl     02/02/12 13:30:25

  Added:       src/tdk/task/org/apache/tdk StringUtil.java
  Log:
  - adding the little string lib
  
  Revision  Changes    Path
  1.1                  jakarta-turbine-tdk/src/tdk/task/org/apache/tdk/StringUtil.java
  
  Index: StringUtil.java
  ===================================================================
  package org.apache.tdk.task;
  
  /*
   *  The Apache Software License, Version 1.1
   *
   *  Copyright (c) 2001-2002 The Apache Software Foundation.  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. The end-user documentation included with the redistribution, if
   *  any, must include the following acknowlegement:
   *  "This product includes software developed by the
   *  Apache Software Foundation (http://www.apache.org/)."
   *  Alternately, this acknowlegement may appear in the software itself,
   *  if and wherever such third-party acknowlegements normally appear.
   *
   *  4. The names "The Jakarta Project", "Ant", and "Apache Software
   *  Foundation" must not be used to endorse or promote products derived
   *  from this software without prior written permission. For written
   *  permission, please contact [EMAIL PROTECTED]
   *
   *  5. Products derived from this software may not be called "Apache"
   *  nor may "Apache" appear in their names without prior written
   *  permission of the Apache Group.
   *
   *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
   *  ITS 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.
   *  ====================================================================
   *
   *  This software consists of voluntary contributions made by many
   *  individuals on behalf of the Apache Software Foundation.  For more
   *  information on the Apache Software Foundation, please see
   *  <http://www.apache.org/>.
   */
  
  import java.util.StringTokenizer;
  
  public class StringUtil
  {
      /**
       * Splits the provided text into a list, based on a given
       * separator.
       *
       * @param text Textual list to parse.
       * @param separator The separator character.
       * @param max The maximum number of elements to include in the
       * list.  A value of <code>-1</code> implies no limit.
       * @return The list of values.
       */
      public static String[] split(String text, String separator, int max)
      {
          StringTokenizer tok = new StringTokenizer(text, separator);
          int listSize = tok.countTokens();
          if (max != -1 && listSize > max)
          {
              listSize = max;
          }
  
          String[] list = new String[listSize];
          int i = 0;
          while (tok.hasMoreTokens())
          {
              if (max != -1 && i == listSize - 1)
              {
                  // In the situation where we hit the max yet have
                  // tokens left over in our input, the last list
                  // element gets all remaining text.
                  StringBuffer buf = new StringBuffer
                      ((int) 1.2 * text.length() * (listSize - i) / listSize);
                  while (tok.hasMoreTokens())
                  {
                      buf.append(tok.nextToken());
                      if (tok.hasMoreTokens())
                      {
                          buf.append(separator);
                      }
                  }
                  list[i] = buf.toString();
                  break;
              }
              else
              {
                  list[i] = tok.nextToken();
              }
              i++;
          }
          return list;
      }
  }
  
  
  

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