/*
    * This software was designed and created by Jason Carroll.
    * Copyright (c) 2002, 2003, 2004 Jason Carroll.
    * The author can be reached at jcarroll@cowsultants.com
    * ITracker website: http://www.cowsultants.com
    * ITracker forums: http://www.cowsultants.com/phpBB/index.php
    *
    * This program is free software; you can redistribute it and/or modify
    * it only under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * 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 General Public License for more details.
   */
  
  package org.itracker.web.util;
  
  import org.apache.log4j.Logger;
  
  
  public class HTMLUtilities extends org.itracker.util.HTMLUtilities {
  
      private static final Logger logger = Logger.getLogger(HTMLUtilities.class);
  
      static {
  
  
      }
  
      public static String removeQuotes(String input) {
          StringBuffer sb = new StringBuffer(input.length());
          int len = input.length();
          char c;
  
          for (int i = 0; i < len; i++) {
              c = input.charAt(i);
              if (c == '\'') {
                  sb.append("''");
              } else {
                  sb.append(c);
              }
          }
          return sb.toString();
      }
  
      public static String handleQuotes(String input) {
          if (input == null || "".equals(input) || input.indexOf('"') == -1) {
              return input;
          }
  
          StringBuffer buf = new StringBuffer();
  
          char[] chars = input.toCharArray();
          for (int i = 0; i < chars.length; i++) {
              if (chars[i] == '"') {
                  buf.append("&quot;");
              } else {
                  buf.append(chars[i]);
              }
          }
  
          return buf.toString();
      }
  
      public static String escapeNewlines(String input) {
          if (input == null || "".equals(input) || input.indexOf('\n') == -1) {
              return input;
          }
  
          StringBuffer buf = new StringBuffer();
          char[] chars = input.toCharArray();
          for (int i = 0; i < chars.length; i++) {
              if (chars[i] == '\r') {
                  continue;
              } else if (chars[i] == '\n') {
                  buf.append("\\n");
              } else {
                  buf.append(chars[i]);
              }
          }
          return buf.toString();
      }
  
      public static String newlinesToBreaks(String input) {
          if (input == null || "".equals(input) || input.indexOf('\n') == -1) {
              return input;
          }
  
          StringBuffer buf = new StringBuffer();
          char[] chars = input.toCharArray();
          for (int i = 0; i < chars.length; i++) {
              if (chars[i] == '\r') {
                  continue;
              } else if (chars[i] == '\n') {
                  buf.append("<br>");
              } else {
                 buf.append(chars[i]);
             }
         }
         return buf.toString();
     }
 
 
 
     public static String escapeTags(String input) {
         if (null == input) {
             return "";
         }
         StringBuffer sb = new StringBuffer(input.length());
         int len = input.length();
         char c;
 
         for (int i = 0; i < len; i++) {
             c = input.charAt(i);
             if (c == '"') {
                 sb.append("&quot;");
             } else if (c == '&') {
                 sb.append("&amp;");
             } else if (c == '<') {
                 sb.append("&lt;");
             } else if (c == '>') {
                 sb.append("&gt;");
             } else {
                 int ci = 0xffff & c;
                 if (ci < 160) {
                     // nothing special only 7 Bit
                     sb.append(c);
                 } else {
                     // Not 7 Bit use the unicode system
                     sb.append("&#");
                     sb.append(new Integer(ci).toString());
                     sb.append(';');
                 }
             }
         }
 
         return sb.toString();
     }
 
     /**
      * format a itracker date format for jacascript datepicker
      *
      */
     public static final String getJSDateFormat(String format) {
 
         String f = format.replace('m', 'n');
         f = f.toLowerCase();
         return f;
 
 
     }
 
 }