package org.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 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.
******************************************************************************/
/**
* The HTTPTokener extends the JSONTokener to provide additional methods
* for the parsing of HTTP headers.
* @author JSON.org
* @version 2008-09-18
*/
public class HTTPTokener extends JSONTokener {
/**
* Construct an HTTPTokener 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 JSONException
* @return A String.
*/
public String nextToken() throws JSONException {
char c;
char q;
StringBuffer sb = new StringBuffer();
do {
c = next();
} while (Character.isWhitespace(c));
if (c == '"' || c == '\'') {
q = c;
for (;;) {
c = next();
if (c < ' ') {
throw syntaxError("Unterminated string.");
}
if (c == q) {
return sb.toString();
}
sb.append(c);
}
}
for (;;) {
if (c == 0 || Character.isWhitespace(c)) {
return sb.toString();
}
sb.append(c);
c = next();
}
}
}