| package org.apache.tapestry.json; |
| |
| /* |
| Copyright (c) 2002 JSON.org |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), to deal |
| in the Software without restriction, including without limitation the rights |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| copies of the Software, and to permit persons to whom the Software is |
| furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included in all |
| copies or substantial portions of the Software. |
| |
| The Software shall be used for Good, not Evil. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| SOFTWARE. |
| */ |
| |
| import java.text.ParseException; |
| |
| /** |
| * The HTTPTokener extends the JSONTokener to provide additional methods |
| * for the parsing of HTTP headers. |
| * @author JSON.org |
| * @version 0.1 |
| */ |
| public class HTTPTokener extends JSONTokener { |
| |
| /** |
| * Construct an XMLTokener from a string. |
| * @param s A source string. |
| */ |
| public HTTPTokener(String s) { |
| super(s); |
| } |
| |
| |
| /** |
| * Get the next token or string. This is used in parsing HTTP headers. |
| * @throws ParseException |
| * @return A String. |
| */ |
| public String nextToken() throws ParseException { |
| char c; |
| char q; |
| StringBuffer sb = new StringBuffer(); |
| do { |
| c = next(); |
| } while (Character.isWhitespace(c)); |
| if (c == '"' || c == '\'') { |
| q = c; |
| while (true) { |
| c = next(); |
| if (c < ' ') { |
| throw syntaxError("Unterminated string."); |
| } |
| if (c == q) { |
| return sb.toString(); |
| } |
| sb.append(c); |
| } |
| } |
| while (true) { |
| if (c == 0 || Character.isWhitespace(c)) { |
| return sb.toString(); |
| } |
| sb.append(c); |
| c = next(); |
| } |
| } |
| } |