platform/sensinact-utils/src/main/java/org/json/HTTPTokener.java

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.
     *
     * @return A String.
     * @throws JSONException
     */
    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();
        }
    }
}