001package org.json; 002 003/* 004Copyright (c) 2002 JSON.org 005 006Permission is hereby granted, free of charge, to any person obtaining a copy 007of this software and associated documentation files (the "Software"), to deal 008in the Software without restriction, including without limitation the rights 009to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 010copies of the Software, and to permit persons to whom the Software is 011furnished to do so, subject to the following conditions: 012 013The above copyright notice and this permission notice shall be included in all 014copies or substantial portions of the Software. 015 016The Software shall be used for Good, not Evil. 017 018THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 019IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 020FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 021AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 022LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 023OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 024SOFTWARE. 025*/ 026 027/** 028 * The HTTPTokener extends the JSONTokener to provide additional methods 029 * for the parsing of HTTP headers. 030 * @author JSON.org 031 * @version 2015-12-09 032 */ 033public class HTTPTokener extends JSONTokener { 034 035 /** 036 * Construct an HTTPTokener from a string. 037 * @param string A source string. 038 */ 039 public HTTPTokener(String string) { 040 super(string); 041 } 042 043 044 /** 045 * Get the next token or string. This is used in parsing HTTP headers. 046 * @throws JSONException 047 * @return A String. 048 */ 049 public String nextToken() throws JSONException { 050 char c; 051 char q; 052 StringBuilder sb = new StringBuilder(); 053 do { 054 c = next(); 055 } while (Character.isWhitespace(c)); 056 if (c == '"' || c == '\'') { 057 q = c; 058 for (;;) { 059 c = next(); 060 if (c < ' ') { 061 throw syntaxError("Unterminated string."); 062 } 063 if (c == q) { 064 return sb.toString(); 065 } 066 sb.append(c); 067 } 068 } 069 for (;;) { 070 if (c == 0 || Character.isWhitespace(c)) { 071 return sb.toString(); 072 } 073 sb.append(c); 074 c = next(); 075 } 076 } 077}