HTTP Response codes

Constant continue = 100! Continue
CONSTANT SWITCH_PROTOCOLS = 101! Switching Protocols
Constant OK = 200! OK
Constant created = 201! Created
Constant accepted = 202! Accepted
CONSTANT NON_AUTH_INFO = 203! Non-Authoritative Information
CONSTANT NO_CONTENT = 204! No Content
CONSTANT RESET_CONTENT = 205! Reset Content
CONSTANT PARTIAL_CONTENT = 206! Partial Content
CONSTANT MULTIPLE_CHOICES = 300! Multiple Choices
Constant moved = 301! Moved Permanently
Constant found = 302! Found
CONSTANT SEE_OTHER = 303! See Other
CONSTANT NOT_MODIFIED = 304! Not Modified
CONSTANT USE_PROXY = 305! Use Proxy
Constant temporary = 307! Temporary Redirect
CONSTANT bad_req= 400! Bad Request
Constant unauthorized = 401! Unauthorized
CONSTANT payment_req= 402! Payment Required
Constant forbidden = 403! Forbidden
CONSTANT NOT_FOUND = 404! Not Found
CONSTANT NOT_ALLOWED = 405! Method Not Allowed
Constant not_acceptable = 406! Not acceptable
Constant proxy_auth_req= 407! Proxy authentication required
Constant req_timeout = 408! Request time-out
Constant conflict = 409! Conflict
Constant gone = 410! Gone
Constant length_req= 411! Length required
CONSTANT PRECOND_FAILED = 412! Precondition Failed
CONSTANT req_entity_2big= 413! Request Entity Too Large
CONSTANT REQ_URI_2BIG = 414! Request-URI Too Large
CONSTANT UNSUP_MEDIA = 415! Unsupported Media Type
CONSTANT OUT_OF_RANGE = 416! Requested range not satisfied
CONSTANT EXPECT_FAILED = 417! Expectation Failed
CONSTANT SERVER_ERROR = 500! Internal Server Error
CONSTANT NOT_IMPLEMENTED = 501! Not Implemented
CONSTANT BAD_GATEWAY = 502! Bad Gateway
CONSTANT NO_SERVICE = 503! Service Unavailable
CONSTANT GATEWAY_TIMEOUT = 504! Gateway Time-out
CONSTANT UNSUP_HTTP_VER = 505! HTTP Version not supported

Constant req_succeeded = 1! Successful statement
Constant req_http_code = 0! HTTP request succeeded.
Constant req_generic_err =-1! Generic Error
Constant req_socket_err =-2! Socket Error