| Class | Line # | Actions | |||
|---|---|---|---|---|---|
| HTTP | 35 | 44 | 14 |
| 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.Locale; | |
| 28 | ||
| 29 | /** | |
| 30 | * Convert an HTTP header to a JSONObject and back. | |
| 31 | * | |
| 32 | * @author JSON.org | |
| 33 | * @version 2015-12-09 | |
| 34 | */ | |
| 35 | public class HTTP | |
| 36 | { | |
| 37 | ||
| 38 | /** Carriage return/line feed. */ | |
| 39 | public static final String CRLF = "\r\n"; | |
| 40 | ||
| 41 | /** | |
| 42 | * Convert an HTTP header string into a JSONObject. It can be a request header | |
| 43 | * or a response header. A request header will contain | |
| 44 | * | |
| 45 | * <pre> | |
| 46 | * { | |
| 47 | * Method: "POST" (for example), | |
| 48 | * "Request-URI": "/" (for example), | |
| 49 | * "HTTP-Version": "HTTP/1.1" (for example) | |
| 50 | * } | |
| 51 | * </pre> | |
| 52 | * | |
| 53 | * A response header will contain | |
| 54 | * | |
| 55 | * <pre> | |
| 56 | * { | |
| 57 | * "HTTP-Version": "HTTP/1.1" (for example), | |
| 58 | * "Status-Code": "200" (for example), | |
| 59 | * "Reason-Phrase": "OK" (for example) | |
| 60 | * } | |
| 61 | * </pre> | |
| 62 | * | |
| 63 | * In addition, the other parameters in the header will be captured, using the | |
| 64 | * HTTP field names as JSON names, so that | |
| 65 | * | |
| 66 | * <pre> | |
| 67 | * Date: Sun, 26 May 2002 18:06:04 GMT | |
| 68 | * Cookie: Q=q2=PPEAsg--; B=677gi6ouf29bn&b=2&f=s | |
| 69 | * Cache-Control: no-cache | |
| 70 | * </pre> | |
| 71 | * | |
| 72 | * become | |
| 73 | * | |
| 74 | * <pre> | |
| 75 | * {... | |
| 76 | * Date: "Sun, 26 May 2002 18:06:04 GMT", | |
| 77 | * Cookie: "Q=q2=PPEAsg--; B=677gi6ouf29bn&b=2&f=s", | |
| 78 | * "Cache-Control": "no-cache", | |
| 79 | * ...} | |
| 80 | * </pre> | |
| 81 | * | |
| 82 | * It does no further checking or conversion. It does not parse dates. It does | |
| 83 | * not do '%' transforms on URLs. | |
| 84 | * | |
| 85 | * @param string | |
| 86 | * An HTTP header string. | |
| 87 | * @return A JSONObject containing the elements and attributes of the XML | |
| 88 | * string. | |
| 89 | * @throws JSONException | |
| 90 | */ | |
| 91 | 0 | public static JSONObject toJSONObject(String string) throws JSONException |
| 92 | { | |
| 93 | 0 | JSONObject jo = new JSONObject(); |
| 94 | 0 | HTTPTokener x = new HTTPTokener(string); |
| 95 | 0 | String token; |
| 96 | ||
| 97 | 0 | token = x.nextToken(); |
| 98 | 0 | if (token.toUpperCase(Locale.ROOT).startsWith("HTTP")) |
| 99 | { | |
| 100 | ||
| 101 | // Response | |
| 102 | ||
| 103 | 0 | jo.put("HTTP-Version", token); |
| 104 | 0 | jo.put("Status-Code", x.nextToken()); |
| 105 | 0 | jo.put("Reason-Phrase", x.nextTo('\0')); |
| 106 | 0 | x.next(); |
| 107 | ||
| 108 | } | |
| 109 | else | |
| 110 | { | |
| 111 | ||
| 112 | // Request | |
| 113 | ||
| 114 | 0 | jo.put("Method", token); |
| 115 | 0 | jo.put("Request-URI", x.nextToken()); |
| 116 | 0 | jo.put("HTTP-Version", x.nextToken()); |
| 117 | } | |
| 118 | ||
| 119 | // Fields | |
| 120 | ||
| 121 | 0 | while (x.more()) |
| 122 | { | |
| 123 | 0 | String name = x.nextTo(':'); |
| 124 | 0 | x.next(':'); |
| 125 | 0 | jo.put(name, x.nextTo('\0')); |
| 126 | 0 | x.next(); |
| 127 | } | |
| 128 | 0 | return jo; |
| 129 | } | |
| 130 | ||
| 131 | /** | |
| 132 | * Convert a JSONObject into an HTTP header. A request header must contain | |
| 133 | * | |
| 134 | * <pre> | |
| 135 | * { | |
| 136 | * Method: "POST" (for example), | |
| 137 | * "Request-URI": "/" (for example), | |
| 138 | * "HTTP-Version": "HTTP/1.1" (for example) | |
| 139 | * } | |
| 140 | * </pre> | |
| 141 | * | |
| 142 | * A response header must contain | |
| 143 | * | |
| 144 | * <pre> | |
| 145 | * { | |
| 146 | * "HTTP-Version": "HTTP/1.1" (for example), | |
| 147 | * "Status-Code": "200" (for example), | |
| 148 | * "Reason-Phrase": "OK" (for example) | |
| 149 | * } | |
| 150 | * </pre> | |
| 151 | * | |
| 152 | * Any other members of the JSONObject will be output as HTTP fields. The | |
| 153 | * result will end with two CRLF pairs. | |
| 154 | * | |
| 155 | * @param jo | |
| 156 | * A JSONObject | |
| 157 | * @return An HTTP header string. | |
| 158 | * @throws JSONException | |
| 159 | * if the object does not contain enough information. | |
| 160 | */ | |
| 161 | 0 | public static String toString(JSONObject jo) throws JSONException |
| 162 | { | |
| 163 | 0 | StringBuilder sb = new StringBuilder(); |
| 164 | 0 | if (jo.has("Status-Code") && jo.has("Reason-Phrase")) |
| 165 | { | |
| 166 | 0 | sb.append(jo.getString("HTTP-Version")); |
| 167 | 0 | sb.append(' '); |
| 168 | 0 | sb.append(jo.getString("Status-Code")); |
| 169 | 0 | sb.append(' '); |
| 170 | 0 | sb.append(jo.getString("Reason-Phrase")); |
| 171 | } | |
| 172 | 0 | else if (jo.has("Method") && jo.has("Request-URI")) |
| 173 | { | |
| 174 | 0 | sb.append(jo.getString("Method")); |
| 175 | 0 | sb.append(' '); |
| 176 | 0 | sb.append('"'); |
| 177 | 0 | sb.append(jo.getString("Request-URI")); |
| 178 | 0 | sb.append('"'); |
| 179 | 0 | sb.append(' '); |
| 180 | 0 | sb.append(jo.getString("HTTP-Version")); |
| 181 | } | |
| 182 | else | |
| 183 | { | |
| 184 | 0 | throw new JSONException("Not enough material for an HTTP header."); |
| 185 | } | |
| 186 | 0 | sb.append(CRLF); |
| 187 | // Don't use the new entrySet API to maintain Android support | |
| 188 | 0 | for (final String key : jo.keySet()) |
| 189 | { | |
| 190 | 0 | String value = jo.optString(key); |
| 191 | 0 | if (!"HTTP-Version".equals(key) && !"Status-Code".equals(key) |
| 192 | && !"Reason-Phrase".equals(key) && !"Method".equals(key) | |
| 193 | && !"Request-URI".equals(key) | |
| 194 | && !JSONObject.NULL.equals(value)) | |
| 195 | { | |
| 196 | 0 | sb.append(key); |
| 197 | 0 | sb.append(": "); |
| 198 | 0 | sb.append(jo.optString(key)); |
| 199 | 0 | sb.append(CRLF); |
| 200 | } | |
| 201 | } | |
| 202 | 0 | sb.append(CRLF); |
| 203 | 0 | return sb.toString(); |
| 204 | } | |
| 205 | } |