/**
* Convert an HTTP header to a JSONObject and back.
+ *
* @author JSON.org
* @version 2015-12-09
*/
-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 jo = new JSONObject();
- HTTPTokener x = new HTTPTokener(string);
- String token;
-
- token = x.nextToken();
- if (token.toUpperCase(Locale.ROOT).startsWith("HTTP")) {
-
-// Response
-
- jo.put("HTTP-Version", token);
- jo.put("Status-Code", x.nextToken());
- jo.put("Reason-Phrase", x.nextTo('\0'));
- x.next();
-
- } else {
-
-// Request
-
- jo.put("Method", token);
- jo.put("Request-URI", x.nextToken());
- jo.put("HTTP-Version", x.nextToken());
- }
-
-// Fields
-
- while (x.more()) {
- String name = x.nextTo(':');
- x.next(':');
- jo.put(name, x.nextTo('\0'));
- x.next();
- }
- return jo;
+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 jo = new JSONObject();
+ HTTPTokener x = new HTTPTokener(string);
+ String token;
+
+ token = x.nextToken();
+ if (token.toUpperCase(Locale.ROOT).startsWith("HTTP"))
+ {
+
+ // Response
+
+ jo.put("HTTP-Version", token);
+ jo.put("Status-Code", x.nextToken());
+ jo.put("Reason-Phrase", x.nextTo('\0'));
+ x.next();
+
}
+ else
+ {
+ // Request
- /**
- * 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 jo A JSONObject
- * @return An HTTP header string.
- * @throws JSONException if the object does not contain enough
- * information.
- */
- public static String toString(JSONObject jo) throws JSONException {
- StringBuilder sb = new StringBuilder();
- if (jo.has("Status-Code") && jo.has("Reason-Phrase")) {
- sb.append(jo.getString("HTTP-Version"));
- sb.append(' ');
- sb.append(jo.getString("Status-Code"));
- sb.append(' ');
- sb.append(jo.getString("Reason-Phrase"));
- } else if (jo.has("Method") && jo.has("Request-URI")) {
- sb.append(jo.getString("Method"));
- sb.append(' ');
- sb.append('"');
- sb.append(jo.getString("Request-URI"));
- sb.append('"');
- sb.append(' ');
- sb.append(jo.getString("HTTP-Version"));
- } else {
- throw new JSONException("Not enough material for an HTTP header.");
- }
- sb.append(CRLF);
- // Don't use the new entrySet API to maintain Android support
- for (final String key : jo.keySet()) {
- String value = jo.optString(key);
- if (!"HTTP-Version".equals(key) && !"Status-Code".equals(key) &&
- !"Reason-Phrase".equals(key) && !"Method".equals(key) &&
- !"Request-URI".equals(key) && !JSONObject.NULL.equals(value)) {
- sb.append(key);
- sb.append(": ");
- sb.append(jo.optString(key));
- sb.append(CRLF);
- }
- }
+ jo.put("Method", token);
+ jo.put("Request-URI", x.nextToken());
+ jo.put("HTTP-Version", x.nextToken());
+ }
+
+ // Fields
+
+ while (x.more())
+ {
+ String name = x.nextTo(':');
+ x.next(':');
+ jo.put(name, x.nextTo('\0'));
+ x.next();
+ }
+ return jo;
+ }
+
+ /**
+ * 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 jo
+ * A JSONObject
+ * @return An HTTP header string.
+ * @throws JSONException
+ * if the object does not contain enough information.
+ */
+ public static String toString(JSONObject jo) throws JSONException
+ {
+ StringBuilder sb = new StringBuilder();
+ if (jo.has("Status-Code") && jo.has("Reason-Phrase"))
+ {
+ sb.append(jo.getString("HTTP-Version"));
+ sb.append(' ');
+ sb.append(jo.getString("Status-Code"));
+ sb.append(' ');
+ sb.append(jo.getString("Reason-Phrase"));
+ }
+ else if (jo.has("Method") && jo.has("Request-URI"))
+ {
+ sb.append(jo.getString("Method"));
+ sb.append(' ');
+ sb.append('"');
+ sb.append(jo.getString("Request-URI"));
+ sb.append('"');
+ sb.append(' ');
+ sb.append(jo.getString("HTTP-Version"));
+ }
+ else
+ {
+ throw new JSONException("Not enough material for an HTTP header.");
+ }
+ sb.append(CRLF);
+ // Don't use the new entrySet API to maintain Android support
+ for (final String key : jo.keySet())
+ {
+ String value = jo.optString(key);
+ if (!"HTTP-Version".equals(key) && !"Status-Code".equals(key)
+ && !"Reason-Phrase".equals(key) && !"Method".equals(key)
+ && !"Request-URI".equals(key)
+ && !JSONObject.NULL.equals(value))
+ {
+ sb.append(key);
+ sb.append(": ");
+ sb.append(jo.optString(key));
sb.append(CRLF);
- return sb.toString();
+ }
}
+ sb.append(CRLF);
+ return sb.toString();
+ }
}
git://source.jalview.org / jalview.git / blobdiff