// HTTP.java
// $Id: HTTP.java,v 1.19 2003/01/20 15:59:53 ylafon Exp $
// (c) COPYRIGHT MIT and INRIA, 1996.
// Please first read the full copyright statement in file COPYRIGHT.html

package org.w3c.www.http;

public interface HTTP {
    /**
     * The major version of HTTP handled by that package.
     */
    public static final int major_number = 1;
    /**
     * The miniro version of HTTP handled by that package.
     */
    public static final int minor_number = 1;

    /**
     * Some well know methods rfc2616 methods
     */

    public static final String GET     = "GET".intern();
    public static final String HEAD    = "HEAD".intern();
    public static final String POST    = "POST".intern();
    public static final String PUT     = "PUT".intern();
    public static final String DELETE  = "DELETE".intern();
    public static final String OPTIONS = "OPTIONS".intern();
    public static final String TRACE   = "TRACE".intern();
    public static final String CONNECT = "CONNECT".intern();

    // the 100-continue expect token
    public static final String HTTP_100_CONTINUE = "100-continue";

    /**
     * The version we emit with all replies. 
     * This version matches the version understood by the API, which does
     * not necessarily reflect what is returned by <code>getMajorVersion
     * </code> and <code>getMinorVersion</code>.
     */
    public static final byte byteArrayVersion[] = {
	(byte) 'H', (byte) 'T', (byte) 'T', (byte) 'P',
	(byte) '/', (byte) '1', (byte) '.', (byte) '1'
    };

    public static final String msg_100[] = {
	"Continue",				// 100
	"Switching Protocols"			// 101
    };

    public static final String msg_200[] = {
	"OK",					// 200
	"Created",				// 201
	"Accepted",				// 202
	"Non-Authoritative information",	// 203
	"No Content",				// 204
	"Reset Content",			// 205
	"Partial Content" 			// 206
    };

    public static final String msg_300[] = {
	"Multiple Choices",			// 300
	"Moved Permanently",			// 301
	"Found",  			        // 302
	"See Other",				// 303
	"Not Modified",				// 304
	"Use Proxy",				// 305
	"",                                     // no 306 def
	"Temporary Redirect"                    // 307
    };

    public static final String msg_400[] = {
	"Bad Request",				// 400
	"Unauthorized",				// 401
	"Payment Required",			// 402
	"Forbidden",				// 403
	"Not Found",				// 404
	"Method Not Allowed",			// 405
	"Not Acceptable",			// 406
	"Proxy Authentication Required",	// 407
	"Request Timeout",			// 408
	"Conflict",				// 409
	"Gone",					// 410
	"Length Required",			// 411
	"Precondition Failed",			// 412
	"Request Entity Too Large",		// 413
	"Request-URI Too Long",			// 414
	"Unsupported Media Type",		// 415
	"Requested Range Not Satisfiable",      // 416
	"Expectation Failed"                    // 417
    };

    public static final String msg_500[] = {
	"Internal Server Error",		// 500
	"Not Implemented",			// 501
	"Bad Gateway",				// 502
	"Service Unavailable",			// 503
	"Gateway Timeout",			// 504
	"HTTP Version Not Supported",		// 505
	"",                                     // no 506 def
	"",                                     // no 507 def
	"",                                     // no 508 def
	"",                                     // no 509 def
	"Not Extended"                          // 510
    };

    // HTTP status codes
    public static final int CONTINUE = 100;
    public static final int SWITCHING = 101;

    public static final int OK                              = 200;
    public static final int CREATED                         = 201;
    public static final int ACCEPTED                        = 202;
    public static final int NON_AUTHORITATIVE_INFORMATION   = 203;
    public static final int NO_CONTENT                      = 204;
    public static final int RESET_CONTENT                   = 205;
    public static final int PARTIAL_CONTENT                 = 206;

    public static final int MULTIPLE_CHOICE                 = 300;
    public static final int MOVED_PERMANENTLY               = 301;
    public static final int FOUND                           = 302;
    public static final int SEE_OTHER                       = 303;
    public static final int NOT_MODIFIED                    = 304;
    public static final int USE_PROXY                       = 305;
    public static final int TEMPORARY_REDIRECT              = 307;

    public static final int BAD_REQUEST                     = 400;
    public static final int UNAUTHORIZED                    = 401; 
    public static final int PAYMENT_REQUIRED                = 402;
    public static final int FORBIDDEN                       = 403;
    public static final int NOT_FOUND                       = 404;
    public static final int NOT_ALLOWED                     = 405;
    public static final int NOT_ACCEPTABLE                  = 406;
    public static final int PROXY_AUTH_REQUIRED             = 407;
    public static final int REQUEST_TIMEOUT                 = 408;
    public static final int CONFLICT                        = 409;
    public static final int GONE                            = 410;
    public static final int LENGTH_REQUIRED                 = 411;
    public static final int PRECONDITION_FAILED             = 412;
    public static final int REQUEST_ENTITY_TOO_LARGE        = 413;
    public static final int REQUEST_URI_TOO_LONG            = 414;
    public static final int UNSUPPORTED_MEDIA_TYPE          = 415;
    public static final int REQUESTED_RANGE_NOT_SATISFIABLE = 416;
    public static final int EXPECTATION_FAILED              = 417;

    public static final int INTERNAL_SERVER_ERROR           = 500;
    public static final int NOT_IMPLEMENTED                 = 501;
    public static final int BAD_GATEWAY                     = 502;
    public static final int SERVICE_UNAVAILABLE             = 503;
    public static final int GATEWAY_TIMEOUT                 = 504;
    public static final int HTTP_VERSION_NOT_SUPPORTED      = 505;
    public static final int NOT_EXTENDED                    = 510;

    // Jigsaw server hacks:
    public static final int NOHEADER = 1000;
    public static final int DONE     = 1001;

}
