Tokenizer Utils : String « Date Type « Android

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Android » Date Type » String 
Tokenizer Utils
    
/* 
   Copyright 2010 Cesar Valiente Gordo
 
   This file is part of QuiteSleep.

    QuiteSleep 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.

    QuiteSleep 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 QuiteSleep.  If not, see <http://www.gnu.org/licenses/>.
*/

package es.cesar.quitesleep.utils;

import java.util.StringTokenizer;

import android.util.Log;

/**
 
 @author Cesar Valiente Gordo
 * @mail cesar.valiente@gmail.com
 *
 */
public class TokenizerUtils {
  
  private final static String CLASS_NAME = "es.cesar.quitesleep.utils.TokenizerUtils";
  
  public static void main (String[] args) {
    
    
    final String PHONE = "6-76-10--4-15-9";
    String newPhone = tokenizerPhoneNumber(PHONE, null);
    
    //Log.e("tokens", "OldPhone: " + PHONE + "NewPhone: " + newPhone);
    System.out.println("OldPhone: " + PHONE + " NewPhone: " + newPhone);
      
  }
  

  /**
   * Tokenize the passed phoneNumber erasing the string separator and return
   * the phone number whitout these.
   
   @param       phoneNumber
   @param       delim
   @return      the new String without the delim chars
   @see        String
   */
  public static String tokenizerPhoneNumber (
      String phoneNumber, 
      String delim)  {
    
    final String DEFAULT_DELIM = "-";
    
    try {
      
      //If not delim has been specified, put the default delim
      if (delim == null)
        delim = DEFAULT_DELIM;
      
      //If phone number is different from null we parse it.
      if (phoneNumber != null) {
        
        /* Separate the phone number into tokens which the delim string 
         * is the "separate word"
         */
        StringTokenizer tokenizer = new StringTokenizer(phoneNumber, delim);
      
        String phoneNumberWithoutDelim = "";
        while (tokenizer.hasMoreTokens()) 
          phoneNumberWithoutDelim = phoneNumberWithoutDelim + tokenizer.nextToken();
              
        return phoneNumberWithoutDelim;
      }
      return null;
      
    }catch (Exception e) {
      if (QSLog.DEBUG_E)QSLog.e(CLASS_NAME, ExceptionUtils.exceptionTraceToString(
          e.toString()
          e.getStackTrace()));
      return null;
    }        
  }    
  
  /**
   * Add an increase of hours to the time passed, if the delim parameter is null
   * we use the default parameter ":"
   
   @param     time
   @param     increase
   @param     delim
   @return    the new time with the increase done
   @see      String
   */
  public static String addIncreaseDate (String time, int increase, String delim) {
    
    try {
      final String DEFAULT_DELIM = ":";
      
      if (delim == null)
        delim = DEFAULT_DELIM;
      
      if (time != null) {
        /* Separate the time into tokens which the delim string 
         * is the "separate word"
         */
        StringTokenizer tokenizer = new StringTokenizer(time, delim);
      
        if (QSLog.DEBUG_D)QSLog.d(CLASS_NAME, "count tokens: " + tokenizer.countTokens());
        if (tokenizer.countTokens() == 2) {
        
          String hourString = tokenizer.nextToken();          
          String minStrig = tokenizer.nextToken();
          
          if (QSLog.DEBUG_D)QSLog.d(CLASS_NAME, "hourString: " + hourString + "\tminString: " + minStrig);
          
          int hour = Integer.valueOf(hourString);
          String completeNewTime = String.valueOf(hour + increase":" + minStrig;
              
          if (QSLog.DEBUG_D)QSLog.d(CLASS_NAME, "new time: " + completeNewTime);
          return completeNewTime;
        }        
      else {
        if (QSLog.DEBUG_D)QSLog.d(CLASS_NAME, "time == null");
        return null;
      }
      return null;
                  
    }catch (Exception e) {
      if (QSLog.DEBUG_E)QSLog.e(CLASS_NAME, ExceptionUtils.exceptionTraceToString(
          e.toString()
          e.getStackTrace()));
      return null;
    }
  }
  
  
  
}

   
    
    
    
  
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