|
0
|
1 package org.json;
|
|
|
2
|
|
|
3 /*
|
|
|
4 Copyright (c) 2002 JSON.org
|
|
|
5
|
|
|
6 Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
7 of this software and associated documentation files (the "Software"), to deal
|
|
|
8 in the Software without restriction, including without limitation the rights
|
|
|
9 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
|
10 copies of the Software, and to permit persons to whom the Software is
|
|
|
11 furnished to do so, subject to the following conditions:
|
|
|
12
|
|
|
13 The above copyright notice and this permission notice shall be included in all
|
|
|
14 copies or substantial portions of the Software.
|
|
|
15
|
|
|
16 The Software shall be used for Good, not Evil.
|
|
|
17
|
|
|
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
21 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
22 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
23 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
|
24 SOFTWARE.
|
|
|
25 */
|
|
|
26
|
|
|
27 import java.util.Iterator;
|
|
|
28
|
|
|
29 /**
|
|
|
30 * Convert an HTTP header to a JSONObject and back.
|
|
|
31 * @author JSON.org
|
|
|
32 * @version 2008-09-18
|
|
|
33 */
|
|
|
34 public class HTTP {
|
|
|
35
|
|
|
36 /** Carriage return/line feed. */
|
|
|
37 public static final String CRLF = "\r\n";
|
|
|
38
|
|
|
39 /**
|
|
|
40 * Convert an HTTP header string into a JSONObject. It can be a request
|
|
|
41 * header or a response header. A request header will contain
|
|
|
42 * <pre>{
|
|
|
43 * Method: "POST" (for example),
|
|
|
44 * "Request-URI": "/" (for example),
|
|
|
45 * "HTTP-Version": "HTTP/1.1" (for example)
|
|
|
46 * }</pre>
|
|
|
47 * A response header will contain
|
|
|
48 * <pre>{
|
|
|
49 * "HTTP-Version": "HTTP/1.1" (for example),
|
|
|
50 * "Status-Code": "200" (for example),
|
|
|
51 * "Reason-Phrase": "OK" (for example)
|
|
|
52 * }</pre>
|
|
|
53 * In addition, the other parameters in the header will be captured, using
|
|
|
54 * the HTTP field names as JSON names, so that <pre>
|
|
|
55 * Date: Sun, 26 May 2002 18:06:04 GMT
|
|
|
56 * Cookie: Q=q2=PPEAsg--; B=677gi6ouf29bn&b=2&f=s
|
|
|
57 * Cache-Control: no-cache</pre>
|
|
|
58 * become
|
|
|
59 * <pre>{...
|
|
|
60 * Date: "Sun, 26 May 2002 18:06:04 GMT",
|
|
|
61 * Cookie: "Q=q2=PPEAsg--; B=677gi6ouf29bn&b=2&f=s",
|
|
|
62 * "Cache-Control": "no-cache",
|
|
|
63 * ...}</pre>
|
|
|
64 * It does no further checking or conversion. It does not parse dates.
|
|
|
65 * It does not do '%' transforms on URLs.
|
|
|
66 * @param string An HTTP header string.
|
|
|
67 * @return A JSONObject containing the elements and attributes
|
|
|
68 * of the XML string.
|
|
|
69 * @throws JSONException
|
|
|
70 */
|
|
|
71 public static JSONObject toJSONObject(String string) throws JSONException {
|
|
|
72 JSONObject o = new JSONObject();
|
|
|
73 HTTPTokener x = new HTTPTokener(string);
|
|
|
74 String t;
|
|
|
75
|
|
|
76 t = x.nextToken();
|
|
|
77 if (t.toUpperCase().startsWith("HTTP")) {
|
|
|
78
|
|
|
79 // Response
|
|
|
80
|
|
|
81 o.put("HTTP-Version", t);
|
|
|
82 o.put("Status-Code", x.nextToken());
|
|
|
83 o.put("Reason-Phrase", x.nextTo('\0'));
|
|
|
84 x.next();
|
|
|
85
|
|
|
86 } else {
|
|
|
87
|
|
|
88 // Request
|
|
|
89
|
|
|
90 o.put("Method", t);
|
|
|
91 o.put("Request-URI", x.nextToken());
|
|
|
92 o.put("HTTP-Version", x.nextToken());
|
|
|
93 }
|
|
|
94
|
|
|
95 // Fields
|
|
|
96
|
|
|
97 while (x.more()) {
|
|
|
98 String name = x.nextTo(':');
|
|
|
99 x.next(':');
|
|
|
100 o.put(name, x.nextTo('\0'));
|
|
|
101 x.next();
|
|
|
102 }
|
|
|
103 return o;
|
|
|
104 }
|
|
|
105
|
|
|
106
|
|
|
107 /**
|
|
|
108 * Convert a JSONObject into an HTTP header. A request header must contain
|
|
|
109 * <pre>{
|
|
|
110 * Method: "POST" (for example),
|
|
|
111 * "Request-URI": "/" (for example),
|
|
|
112 * "HTTP-Version": "HTTP/1.1" (for example)
|
|
|
113 * }</pre>
|
|
|
114 * A response header must contain
|
|
|
115 * <pre>{
|
|
|
116 * "HTTP-Version": "HTTP/1.1" (for example),
|
|
|
117 * "Status-Code": "200" (for example),
|
|
|
118 * "Reason-Phrase": "OK" (for example)
|
|
|
119 * }</pre>
|
|
|
120 * Any other members of the JSONObject will be output as HTTP fields.
|
|
|
121 * The result will end with two CRLF pairs.
|
|
|
122 * @param o A JSONObject
|
|
|
123 * @return An HTTP header string.
|
|
|
124 * @throws JSONException if the object does not contain enough
|
|
|
125 * information.
|
|
|
126 */
|
|
|
127 public static String toString(JSONObject o) throws JSONException {
|
|
|
128 Iterator keys = o.keys();
|
|
|
129 String s;
|
|
|
130 StringBuffer sb = new StringBuffer();
|
|
|
131 if (o.has("Status-Code") && o.has("Reason-Phrase")) {
|
|
|
132 sb.append(o.getString("HTTP-Version"));
|
|
|
133 sb.append(' ');
|
|
|
134 sb.append(o.getString("Status-Code"));
|
|
|
135 sb.append(' ');
|
|
|
136 sb.append(o.getString("Reason-Phrase"));
|
|
|
137 } else if (o.has("Method") && o.has("Request-URI")) {
|
|
|
138 sb.append(o.getString("Method"));
|
|
|
139 sb.append(' ');
|
|
|
140 sb.append('"');
|
|
|
141 sb.append(o.getString("Request-URI"));
|
|
|
142 sb.append('"');
|
|
|
143 sb.append(' ');
|
|
|
144 sb.append(o.getString("HTTP-Version"));
|
|
|
145 } else {
|
|
|
146 throw new JSONException("Not enough material for an HTTP header.");
|
|
|
147 }
|
|
|
148 sb.append(CRLF);
|
|
|
149 while (keys.hasNext()) {
|
|
|
150 s = keys.next().toString();
|
|
|
151 if (!s.equals("HTTP-Version") && !s.equals("Status-Code") &&
|
|
|
152 !s.equals("Reason-Phrase") && !s.equals("Method") &&
|
|
|
153 !s.equals("Request-URI") && !o.isNull(s)) {
|
|
|
154 sb.append(s);
|
|
|
155 sb.append(": ");
|
|
|
156 sb.append(o.getString(s));
|
|
|
157 sb.append(CRLF);
|
|
|
158 }
|
|
|
159 }
|
|
|
160 sb.append(CRLF);
|
|
|
161 return sb.toString();
|
|
|
162 }
|
|
|
163 }
|
