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      1 package com.google.polo.json;
      2 
      3 /*
      4 Copyright (c) 2002 JSON.org
      5 
      6 Permission is hereby granted, free of charge, to any person obtaining a copy
      7 of this software and associated documentation files (the "Software"), to deal
      8 in the Software without restriction, including without limitation the rights
      9 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     10 copies of the Software, and to permit persons to whom the Software is
     11 furnished to do so, subject to the following conditions:
     12 
     13 The above copyright notice and this permission notice shall be included in all
     14 copies or substantial portions of the Software.
     15 
     16 The Software shall be used for Good, not Evil.
     17 
     18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     21 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     22 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     23 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     24 SOFTWARE.
     25 */
     26 
     27 import java.util.Iterator;
     28 
     29 /**
     30  * Convert a web browser cookie list string to a JSONObject and back.
     31  * @author JSON.org
     32  * @version 2008-09-18
     33  */
     34 public class CookieList {
     35 
     36     /**
     37      * Convert a cookie list into a JSONObject. A cookie list is a sequence
     38      * of name/value pairs. The names are separated from the values by '='.
     39      * The pairs are separated by ';'. The names and the values
     40      * will be unescaped, possibly converting '+' and '%' sequences.
     41      *
     42      * To add a cookie to a cooklist,
     43      * cookielistJSONObject.put(cookieJSONObject.getString("name"),
     44      *     cookieJSONObject.getString("value"));
     45      * @param string  A cookie list string
     46      * @return A JSONObject
     47      * @throws JSONException
     48      */
     49     public static JSONObject toJSONObject(String string) throws JSONException {
     50         JSONObject o = new JSONObject();
     51         JSONTokener x = new JSONTokener(string);
     52         while (x.more()) {
     53             String name = Cookie.unescape(x.nextTo('='));
     54             x.next('=');
     55             o.put(name, Cookie.unescape(x.nextTo(';')));
     56             x.next();
     57         }
     58         return o;
     59     }
     60 
     61 
     62     /**
     63      * Convert a JSONObject into a cookie list. A cookie list is a sequence
     64      * of name/value pairs. The names are separated from the values by '='.
     65      * The pairs are separated by ';'. The characters '%', '+', '=', and ';'
     66      * in the names and values are replaced by "%hh".
     67      * @param o A JSONObject
     68      * @return A cookie list string
     69      * @throws JSONException
     70      */
     71     public static String toString(JSONObject o) throws JSONException {
     72         boolean      b = false;
     73         Iterator     keys = o.keys();
     74         String       s;
     75         StringBuffer sb = new StringBuffer();
     76         while (keys.hasNext()) {
     77             s = keys.next().toString();
     78             if (!o.isNull(s)) {
     79                 if (b) {
     80                     sb.append(';');
     81                 }
     82                 sb.append(Cookie.escape(s));
     83                 sb.append("=");
     84                 sb.append(Cookie.escape(o.getString(s)));
     85                 b = true;
     86             }
     87         }
     88         return sb.toString();
     89     }
     90 }
     91