| 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 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.util.Iterator; |
| |
| /** |
| * Convert an HTTP header to a JSONObject and back. |
| * @author JSON.org |
| * @version 2008-09-18 |
| */ |
| public class HTTP { |
| |
| /** Carriage return/line feed. */ |
| public static final String CRLF = "\r\n"; |
| |
| /** |
| * Convert an HTTP header string into a JSONObject. It can be a request |
| * header or a response header. A request header will contain |
| * <pre>{ |
| * Method: "POST" (for example), |
| * "Request-URI": "/" (for example), |
| * "HTTP-Version": "HTTP/1.1" (for example) |
| * }</pre> |
| * A response header will contain |
| * <pre>{ |
| * "HTTP-Version": "HTTP/1.1" (for example), |
| * "Status-Code": "200" (for example), |
| * "Reason-Phrase": "OK" (for example) |
| * }</pre> |
| * In addition, the other parameters in the header will be captured, using |
| * the HTTP field names as JSON names, so that <pre> |
| * Date: Sun, 26 May 2002 18:06:04 GMT |
| * Cookie: Q=q2=PPEAsg--; B=677gi6ouf29bn&b=2&f=s |
| * Cache-Control: no-cache</pre> |
| * become |
| * <pre>{... |
| * Date: "Sun, 26 May 2002 18:06:04 GMT", |
| * Cookie: "Q=q2=PPEAsg--; B=677gi6ouf29bn&b=2&f=s", |
| * "Cache-Control": "no-cache", |
| * ...}</pre> |
| * It does no further checking or conversion. It does not parse dates. |
| * It does not do '%' transforms on URLs. |
| * @param string An HTTP header string. |
| * @return A JSONObject containing the elements and attributes |
| * of the XML string. |
| * @throws JSONException |
| */ |
| public static JSONObject toJSONObject(String string) throws JSONException { |
| JSONObject o = new JSONObject(); |
| HTTPTokener x = new HTTPTokener(string); |
| String t; |
| |
| t = x.nextToken(); |
| if (t.toUpperCase().startsWith("HTTP")) { |
| |
| // Response |
| |
| o.put("HTTP-Version", t); |
| o.put("Status-Code", x.nextToken()); |
| o.put("Reason-Phrase", x.nextTo('\0')); |
| x.next(); |
| |
| } else { |
| |
| // Request |
| |
| o.put("Method", t); |
| o.put("Request-URI", x.nextToken()); |
| o.put("HTTP-Version", x.nextToken()); |
| } |
| |
| // Fields |
| |
| while (x.more()) { |
| String name = x.nextTo(':'); |
| x.next(':'); |
| o.put(name, x.nextTo('\0')); |
| x.next(); |
| } |
| return o; |
| } |
| |
| |
| /** |
| * Convert a JSONObject into an HTTP header. A request header must contain |
| * <pre>{ |
| * Method: "POST" (for example), |
| * "Request-URI": "/" (for example), |
| * "HTTP-Version": "HTTP/1.1" (for example) |
| * }</pre> |
| * A response header must contain |
| * <pre>{ |
| * "HTTP-Version": "HTTP/1.1" (for example), |
| * "Status-Code": "200" (for example), |
| * "Reason-Phrase": "OK" (for example) |
| * }</pre> |
| * Any other members of the JSONObject will be output as HTTP fields. |
| * The result will end with two CRLF pairs. |
| * @param o A JSONObject |
| * @return An HTTP header string. |
| * @throws JSONException if the object does not contain enough |
| * information. |
| */ |
| public static String toString(JSONObject o) throws JSONException { |
| Iterator keys = o.keys(); |
| String s; |
| StringBuffer sb = new StringBuffer(); |
| if (o.has("Status-Code") && o.has("Reason-Phrase")) { |
| sb.append(o.getString("HTTP-Version")); |
| sb.append(' '); |
| sb.append(o.getString("Status-Code")); |
| sb.append(' '); |
| sb.append(o.getString("Reason-Phrase")); |
| } else if (o.has("Method") && o.has("Request-URI")) { |
| sb.append(o.getString("Method")); |
| sb.append(' '); |
| sb.append('"'); |
| sb.append(o.getString("Request-URI")); |
| sb.append('"'); |
| sb.append(' '); |
| sb.append(o.getString("HTTP-Version")); |
| } else { |
| throw new JSONException("Not enough material for an HTTP header."); |
| } |
| sb.append(CRLF); |
| while (keys.hasNext()) { |
| s = keys.next().toString(); |
| if (!s.equals("HTTP-Version") && !s.equals("Status-Code") && |
| !s.equals("Reason-Phrase") && !s.equals("Method") && |
| !s.equals("Request-URI") && !o.isNull(s)) { |
| sb.append(s); |
| sb.append(": "); |
| sb.append(o.getString(s)); |
| sb.append(CRLF); |
| } |
| } |
| sb.append(CRLF); |
| return sb.toString(); |
| } |
| } |