src/main/java/eu/svjatoslav/meviz/htmlindexer/UrlParamEncoder.java

   1 /*
   2  * Svjatoslav Commons - shared library of common functionality.
   3  * Copyright ©2012-2014, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of version 3 of the GNU Lesser General Public License
   7  * or later as published by the Free Software Foundation.
   8  */
   9
  10 package eu.svjatoslav.meviz.htmlindexer;
  11
  12 public class UrlParamEncoder {
  13
  14         public static String decode(final String source) {
  15
  16                 final String result = source.replaceAll("%20", " ");
  17
  18                 return result;
  19         }
  20
  21         public static String encode(final String source) {
  22
  23                 final StringBuffer buffer = new StringBuffer();
  24                 for (int i = 0; i < source.length(); i++) {
  25                         boolean replaced = false;
  26                         final char character = source.charAt(i);
  27
  28                         if (character == ' ') {
  29                                 buffer.append("%20");
  30                                 replaced = true;
  31                         }
  32
  33                         if (character == '?') {
  34                                 buffer.append("%3F");
  35                                 replaced = true;
  36                         }
  37
  38                         if (character == ',') {
  39                                 buffer.append("%2C");
  40                                 replaced = true;
  41                         }
  42
  43                         if (character == ':') {
  44                                 buffer.append("%3A");
  45                                 replaced = true;
  46                         }
  47
  48                         if (!replaced)
  49                                 buffer.append(character);
  50                 }
  51
  52                 return buffer.toString();
  53         }
  54
  55 }