Qore RestClient Module Reference
1.7.5
|
this class provides the REST client API More...
Public Member Methods | |
addDefaultHeaders (hash< auto > h) | |
adds default headers to each request; these headers will be sent in all requests but can be overridden in requests as well More... | |
clearConnectionPath () | |
Clears the connection path when a validator is present that manages the URI path. More... | |
constructor (*hash< auto > opts, *softbool do_not_connect) | |
calls the base class HTTPClient constructor and optionally connects to the REST server More... | |
hash< auto > | del (string path, auto body, *reference< hash< auto >> info, *hash< auto > hdr) |
sends an HTTP DELETE request to the REST server and returns the response More... | |
hash< auto > | doRequest (string m, string path, auto body, *reference< hash< auto >> info, softbool decode_errors=True, *hash< auto > hdr) |
sends an HTTP request to the REST server and returns the response More... | |
hash< auto > | doValidatedRequest (string m, string path, auto body, *reference< hash< auto >> info, softbool decode_errors=True, *hash< auto > hdr) |
The same as doRequest() except no schema validation is performed on the request. More... | |
hash< auto > | get (string path, auto body, *reference< hash< auto >> info, *hash< auto > hdr) |
sends an HTTP GET request to the REST server and returns the response More... | |
hash< auto > | getDefaultHeaders () |
returns the hash of default headers to sent in all requests More... | |
*string | getSendEncoding () |
returns the current data content encoding (compression) object or NOTHING if no encoding option is set; see EncodingSupport for valid options More... | |
string | getSerialization () |
returns the current data serialization format currently in effect for the object (see DataSerializationOptions for possible values) More... | |
RestSchemaValidator::AbstractRestSchemaValidator | getValidator () |
returns the current validator object More... | |
hash< auto > | patch (string path, auto body, *reference< hash< auto >> info, *hash< auto > hdr) |
sends an HTTP PATCH request to the REST server and returns the response More... | |
hash< auto > | post (string path, auto body, *reference< hash< auto >> info, *hash< auto > hdr) |
sends an HTTP POST request to the REST server and returns the response More... | |
hash< auto > | put (string path, auto body, *reference< hash< auto >> info, *hash< auto > hdr) |
sends an HTTP PUT request to the REST server and returns the response More... | |
setContentEncoding (string enc='auto') | |
sets the request and desired response encoding for the object; see EncodingSupport for valid options More... | |
setSendEncoding (string enc='auto') | |
change the data content encoding (compression) option for the object; see EncodingSupport for valid options More... | |
setSerialization (string data='auto') | |
change the serialization option for the object; see DataSerializationOptions for valid options More... | |
Public Attributes | |
const | Accept = AcceptList.join(",") |
Accept header value. | |
const | AcceptList = ... |
Accept header list. | |
const | AcceptMap = map {$1: True} |
Map of acceptable Mime types. | |
const | CompressionThreshold = 1024 |
default threadhold for data compressions; transfers smaller than this size will not be compressed | |
const | DataSerializationOptions = ... |
Data serialization options; this is a hash to simulate a set of strings. More... | |
const | DataSerializationSupport = ... |
Data serialization support mapping codes to MIME types and de/serialization functions. | |
const | DefaultHeaders = ... |
default HTTP headers (Content-Type is added before sending) | |
const | EncodingSupport = ... |
Send content encoding options. More... | |
const | Version = "1.7" |
RestClient Version. | |
const | VersionString = sprintf("Qore-RestClient/%s", RestClient::Version) |
RestClient Version String. | |
Private Member Methods | |
nothing | prepareMsg (string method, string path, reference< auto > body, reference< hash< auto >> hdr, string ct='Content-Type') |
sets up the Content-Type header and encodes any body for sending | |
nothing | preparePath (reference< string > path) |
sets up the path for the HTTP request URI | |
hash< auto > | processRestResponse (hash< auto > resp, string method, string path, *reference< hash< auto >> info) |
Process the raw REST response received. More... | |
hash< auto > | sendAndDecodeResponse (*data body, string m, string path, hash< auto > hdr, *reference< hash< auto >> info, *softbool decode_errors) |
sends the outgoing HTTP message and recodes the response to data | |
Static Private Member Methods | |
static | decodeError (hash< auto > h, *reference< hash< auto >> info) |
decode any REST errors returned if possible | |
Static Private:Internal Member Methods | |
static | tryDecodeErrorResponse (reference< hash< auto >> h, *reference< hash< auto >> info) |
tries to decode an error response | |
this class provides the REST client API
RestClient::RestClient::addDefaultHeaders | ( | hash< auto > | h | ) |
adds default headers to each request; these headers will be sent in all requests but can be overridden in requests as well
h | a hash of headers to add to the default headers to send on each request |
RestClient::RestClient::clearConnectionPath | ( | ) |
Clears the connection path when a validator is present that manages the URI path.
Called from the constructor when a REST validator is present that manages the URI path
RestClient::RestClient::constructor | ( | *hash< auto > | opts, |
*softbool | do_not_connect | ||
) |
calls the base class HTTPClient constructor and optionally connects to the REST server
opts | valid options are:
|
do_not_connect | if False (the default), then a connection will be immediately established to the remote server |
RESTCLIENT-ERROR | invalid option passed to constructor, unsupported data serialization, etc |
hash<auto> RestClient::RestClient::del | ( | string | path, |
auto | body, | ||
*reference< hash< auto >> | info, | ||
*hash< auto > | hdr | ||
) |
sends an HTTP DELETE
request to the REST server and returns the response
path | the URI path to add (will be appended to any root path given in the constructor) |
body | an optional message body to be included in the request; if a value for this parameter is passed to the method, then the body will be serialized according to the serialization rules set in RestClient::constructor() |
info | an optional reference to a hash that will be used as an output variable giving a hash of request headers and other information about the HTTP request; if present the hash will contain the following keys:
|
hdr | any headers to be sent with the request; headers here will override default headers for the object as well |
"body"
keyDESERIALIZATION-ERROR | the response body could not be deserialized (unknown Content-Type or invalid serialization) |
REST-RESPONSE-ERROR | if this exception is thrown by the Qore::HTTPClient::send() call in case of an HTTP response code < 100 or >= 300, the message body is still deserialized if possible and the response information can be retrieved in the info hash output keys as follows:
|
Note that this exception is not raised for HTTP status codes indicating an error if the error_passthru
option is set to True
Other exceptions can be thrown by the Qore::HTTPClient::send() call used to make the HTTP request.
hash<auto> RestClient::RestClient::doRequest | ( | string | m, |
string | path, | ||
auto | body, | ||
*reference< hash< auto >> | info, | ||
softbool | decode_errors = True , |
||
*hash< auto > | hdr | ||
) |
sends an HTTP request to the REST server and returns the response
m | the HTTP method to be used; case is ignored (if not a valid method an HTTP-CLIENT-METHOD-ERROR exception is raised) |
path | the URI path to add (will be appended to any root path given in the constructor) |
body | an optional message body to be included in the request; if a value for this parameter is passed to the method, then the body will be serialized according to the serialization rules set in RestClient::constructor() |
info | an optional reference to a hash that will be used as an output variable giving a hash of request headers and other information about the HTTP request; if present the hash will contain the following keys:
|
decode_errors | decode the message body with HTTP error responses and throw an exception based on the message body |
hdr | any headers to be sent with the request; headers here will override default headers for the object as well |
"body"
keyDESERIALIZATION-ERROR | the response body could not be deserialized (unknown Content-Type or invalid serialization) |
HTTP-CLIENT-METHOD-ERROR | invalid HTTP method argument passed |
REST-RESPONSE-ERROR | if this exception is thrown by the Qore::HTTPClient::send() call in case of an HTTP response code < 100 or >= 300, the message body is still deserialized if possible and the response information can be retrieved in the info hash output keys as follows:
|
Note that this exception is not raised for HTTP status codes indicating an error if the error_passthru
option is set to True
REST-ACCEPT-ERROR | if the message has a validator that indicates that the response message only supports types not supported by the current options or environment |
Other exceptions can be thrown by the Qore::HTTPClient::send() call used to make the HTTP request.
hash<auto> RestClient::RestClient::doValidatedRequest | ( | string | m, |
string | path, | ||
auto | body, | ||
*reference< hash< auto >> | info, | ||
softbool | decode_errors = True , |
||
*hash< auto > | hdr | ||
) |
The same as doRequest() except no schema validation is performed on the request.
hash<auto> RestClient::RestClient::get | ( | string | path, |
auto | body, | ||
*reference< hash< auto >> | info, | ||
*hash< auto > | hdr | ||
) |
sends an HTTP GET
request to the REST server and returns the response
path | the URI path to add (will be appended to any root path given in the constructor) |
body | an optional message body to be included in the request; if a value for this parameter is passed to the method, then the body will be serialized according to the serialization rules set in RestClient::constructor(); note that sending a message body with an HTTP GET request is not standards compliant; see HTTP GET Requests With a Message Body for more information; for maximum compatibility, use NOTHING for this argument when calling this method |
info | an optional reference to a hash that will be used as an output variable giving a hash of request headers and other information about the HTTP request; if present the hash will contain the following keys:
|
hdr | any headers to be sent with the request; headers here will override default headers for the object as well |
"body"
keyDESERIALIZATION-ERROR | the response body could not be deserialized (unknown Content-Type or invalid serialization) |
REST-RESPONSE-ERROR | if this exception is thrown by the Qore::HTTPClient::send() call in case of an HTTP response code < 100 or >= 300, the message body is still deserialized if possible and the response information can be retrieved in the info hash output keys as follows:
|
Note that this exception is not raised for HTTP status codes indicating an error if the error_passthru
option is set to True
Other exceptions can be thrown by the Qore::HTTPClient::send() call used to make the HTTP request.
hash<auto> RestClient::RestClient::getDefaultHeaders | ( | ) |
returns the hash of default headers to sent in all requests
*string RestClient::RestClient::getSendEncoding | ( | ) |
returns the current data content encoding (compression) object or NOTHING if no encoding option is set; see EncodingSupport for valid options
string RestClient::RestClient::getSerialization | ( | ) |
returns the current data serialization format currently in effect for the object (see DataSerializationOptions for possible values)
RestSchemaValidator::AbstractRestSchemaValidator RestClient::RestClient::getValidator | ( | ) |
returns the current validator object
hash<auto> RestClient::RestClient::patch | ( | string | path, |
auto | body, | ||
*reference< hash< auto >> | info, | ||
*hash< auto > | hdr | ||
) |
sends an HTTP PATCH
request to the REST server and returns the response
path | the URI path to add (will be appended to any root path given in the constructor) |
body | an optional message body to be included in the request; if a value for this parameter is passed to the method, then the body will be serialized according to the serialization rules set in RestClient::constructor() |
info | an optional reference to a hash that will be used as an output variable giving a hash of request headers and other information about the HTTP request; if present the hash will contain the following keys:
|
hdr | any headers to be sent with the request; headers here will override default headers for the object as well |
"body"
keyDESERIALIZATION-ERROR | the response body could not be deserialized (unknown Content-Type or invalid serialization) |
REST-RESPONSE-ERROR | if this exception is thrown by the Qore::HTTPClient::send() call in case of an HTTP response code < 100 or >= 300, the message body is still deserialized if possible and the response information can be retrieved in the info hash output keys as follows:
|
Note that this exception is not raised for HTTP status codes indicating an error if the error_passthru
option is set to True
Other exceptions can be thrown by the Qore::HTTPClient::send() call used to make the HTTP request.
hash<auto> RestClient::RestClient::post | ( | string | path, |
auto | body, | ||
*reference< hash< auto >> | info, | ||
*hash< auto > | hdr | ||
) |
sends an HTTP POST
request to the REST server and returns the response
path | the URI path to add (will be appended to any root path given in the constructor) |
body | an optional message body to be included in the request; if a value for this parameter is passed to the method, then the body will be serialized according to the serialization rules set in RestClient::constructor() |
info | an optional reference to a hash that will be used as an output variable giving a hash of request headers and other information about the HTTP request; if present the hash will contain the following keys:
|
hdr | any headers to be sent with the request; headers here will override default headers for the object as well |
"body"
keyDESERIALIZATION-ERROR | the response body could not be deserialized (unknown Content-Type or invalid serialization) |
REST-RESPONSE-ERROR | if this exception is thrown by the Qore::HTTPClient::send() call in case of an HTTP response code < 100 or >= 300, the message body is still deserialized if possible and the response information can be retrieved in the info hash output keys as follows:
|
Note that this exception is not raised for HTTP status codes indicating an error if the error_passthru
option is set to True
Other exceptions can be thrown by the Qore::HTTPClient::send() call used to make the HTTP request.
|
private |
Process the raw REST response received.
resp | the return value from HTTPClient::send() |
method | the HTTP method used |
path | the URI path used |
info | an optional info hash reference for information about the call |
hash<auto> RestClient::RestClient::put | ( | string | path, |
auto | body, | ||
*reference< hash< auto >> | info, | ||
*hash< auto > | hdr | ||
) |
sends an HTTP PUT
request to the REST server and returns the response
path | the URI path to add (will be appended to any root path given in the constructor) |
body | an optional message body to be included in the request; if a value for this parameter is passed to the method, then the body will be serialized according to the serialization rules set in RestClient::constructor() |
info | an optional reference to a hash that will be used as an output variable giving a hash of request headers and other information about the HTTP request; if present the hash will contain the following keys:
|
hdr | any headers to be sent with the request; headers here will override default headers for the object as well |
"body"
keyDESERIALIZATION-ERROR | the response body could not be deserialized (unknown Content-Type or invalid serialization) |
REST-RESPONSE-ERROR | if this exception is thrown by the Qore::HTTPClient::send() call in case of an HTTP response code < 100 or >= 300, the message body is still deserialized if possible and the response information can be retrieved in the info hash output keys as follows:
|
Note that this exception is not raised for HTTP status codes indicating an error if the error_passthru
option is set to True
Other exceptions can be thrown by the Qore::HTTPClient::send() call used to make the HTTP request.
RestClient::RestClient::setContentEncoding | ( | string | enc = 'auto' | ) |
sets the request and desired response encoding for the object; see EncodingSupport for valid options
enc | the data content encoding (compression) option for requests and the desired response content encoding for the object; see EncodingSupport for valid options; if the value "auto" is passed then "gzip" encoding is used for outgoing requests and requested for responses |
RESTCLIENT-ERROR | invalid or unsupported data content encoding / compression option |
RestClient::RestClient::setSendEncoding | ( | string | enc = 'auto' | ) |
change the data content encoding (compression) option for the object; see EncodingSupport for valid options
The default is to send requests unencoded/uncompressed.
enc | the data content encoding (compression) option for the object; see EncodingSupport for valid options; if the value "auto" is passed then "gzip" encoding is used |
RESTCLIENT-ERROR | invalid or unsupported data content encoding / compression option |
RestClient::RestClient::setSerialization | ( | string | data = 'auto' | ) |
change the serialization option for the object; see DataSerializationOptions for valid options
data | the serialization option for the object; see DataSerializationOptions for valid options |
RESTCLIENT-ERROR | invalid or unsupported serialization option |
const RestClient::RestClient::DataSerializationOptions = ... |
Data serialization options; this is a hash to simulate a set of strings.
Data serialization options are as follows:
"auto"
: prefers in this order: json, yaml, rawxml, xml, url, and text"bin"
: for binary message bodies without data serialization"json"
: use only JSON serialization"rawxml"
: use raw XML serialization"text"
: use only plain text. No serialization is used."url"
: for URL-encoded message bodies"xml"
: use only XML-RPC serialization"yaml"
: use only YAML serialization const RestClient::RestClient::EncodingSupport = ... |
Send content encoding options.
Send content encoding options are as follows:
"bzip"
: use bzip2 compression"gzip"
: use gzip compression"deflate"
: use deflate compression"identity"
: use no content encoding