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Message #24484
[Merge] lp:~zorba-coders/zorba/http-client-wrapper into lp:zorba
Federico Cavalieri has proposed merging lp:~zorba-coders/zorba/http-client-wrapper into lp:zorba.
Requested reviews:
Cezar Andrei (cezar-andrei)
Chris Hillery (ceejatec)
For more details, see:
https://code.launchpad.net/~zorba-coders/zorba/http-client-wrapper/+merge/176980
HTTP client request/response conversion in a separate module
--
https://code.launchpad.net/~zorba-coders/zorba/http-client-wrapper/+merge/176980
Your team Zorba Coders is subscribed to branch lp:zorba.
=== modified file 'modules/http-client/CMakeLists.txt'
--- modules/http-client/CMakeLists.txt 2013-07-25 09:30:55 +0000
+++ modules/http-client/CMakeLists.txt 2013-07-25 15:45:37 +0000
@@ -39,6 +39,10 @@
DECLARE_ZORBA_MODULE(FILE json/http-client.xq VERSION 1.0
URI "http://zorba.io/modules/http-client";
LINK_LIBRARIES ${CURL_LIBRARIES})
+
+ DECLARE_ZORBA_MODULE(FILE conv/http-client-wrapper.xq VERSION 1.0
+ URI "http://zorba.io/modules/http-client-wrapper";
+ LINK_LIBRARIES ${CURL_LIBRARIES})
IF (WIN32) # Copy certificates for windows only
IF (MSVC_IDE)
=== added directory 'modules/http-client/conv'
=== added file 'modules/http-client/conv/http-client-wrapper.xq'
--- modules/http-client/conv/http-client-wrapper.xq 1970-01-01 00:00:00 +0000
+++ modules/http-client/conv/http-client-wrapper.xq 2013-07-25 15:45:37 +0000
@@ -0,0 +1,772 @@
+xquery version "3.0";
+
+(:
+ : Copyright 2006-2009 The FLWOR Foundation.
+ :
+ : Licensed under the Apache License, Version 2.0 (the "License");
+ : you may not use this file except in compliance with the License.
+ : You may obtain a copy of the License at
+ :
+ : http://www.apache.org/licenses/LICENSE-2.0
+ :
+ : Unless required by applicable law or agreed to in writing, software
+ : distributed under the License is distributed on an "AS IS" BASIS,
+ : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ : See the License for the specific language governing permissions and
+ : limitations under the License.
+:)
+
+
+(:~
+ : <p>This module provides conversion functions between the
+ : XML Expath http-client request and response formats and the
+ : JSON http-client request and response formats used by the
+ : <code>http://zorba.io/modules/http-client</code> module.
+ : </p>
+ :
+ : <p>This module is reserved for internal use by the
+ : <code>http://www.zorba-xquery.com/modules/http-client</code> and the
+ : <code>http://expath.org/ns/http-client</code> modules.
+ : This module may be removed at any time. Method signature and
+ : semantics may change.
+ : </p>
+ :
+ : @author Federico Cavalieri
+ : @project Zorba/Input Output/HTTP Client
+ :)
+module namespace http-wrapper = "http://zorba.io/modules/http-client-wrapper";;
+
+import module namespace error = "http://expath.org/ns/error";;
+import module namespace json-http = "http://zorba.io/modules/http-client";;
+import module namespace libjn = "http://jsoniq.org/function-library";;
+
+import schema namespace http-schema = "http://expath.org/ns/http-client";;
+
+declare namespace an = "http://www.zorba-xquery.com/annotations";;
+declare namespace ver = "http://www.zorba-xquery.com/options/versioning";;
+declare namespace err = "http://www.w3.org/2005/xqt-errors";;
+declare namespace ser = "http://www.w3.org/2010/xslt-xquery-serialization";;
+declare namespace jn = "http://jsoniq.org/functions";;
+
+declare option ver:module-version "1.0";
+
+(:~
+ : <p>This function sends an HTTP request and returns the corresponding response.
+ : This function is declared sequential and can be used to issue
+ : requests which change the state of the server.</p>
+ :
+ : <p>Its inputs, outputs, and behavior are identical to the
+ : <a href="http://expath.org/spec/http-client";>EXPath http-client</a>'s
+ : send-request() function (except that HTML responses are not tidied
+ : into XML - see <a href="#expath_relation">the note above</a>). It
+ : is provided here for use in Zorba installations that do not have
+ : the EXPath module available. If you have the option of using the
+ : EXPath module instead of this function, please do so, as it will
+ : allow your application to be more interoperable between different
+ : XQuery engines.</p>
+ :
+ : <p>Full documentation of the $request parameter can be found in
+ : <a href="http://expath.org/spec/http-client#d2e183";>the EXPath
+ : specification</a>.</p>
+ :
+ : @param $request Contains the various parameters of the request (see above).
+ : @param $href The URL to which the request will be made (see
+ : <a href="#url_string">note</a> above). If this
+ : parameter is specified, it will override the "href" attribute of
+ : $request.
+ : @param $bodies is the request body content, for HTTP methods that can
+ : contain a body in the request (i.e. POST and PUT). It is an error if this
+ : param is not the empty sequence for methods
+ : @return <a href="#standard_return">standard http-client return type</a>.
+ :
+ : @error error:HC001 An HTTP error occurred.
+ : @error error:HC002 Error parsing the response content as XML.
+ : @error error:HC003 With a multipart response, the override-media-type must be either a multipart media type or application/octet-stream.
+ : @error error:HC004 The src attribute on the body element is mutually exclusive with all other attribute (except the media-type).
+ : @error error:HC005 The input request element is not valid.
+ : @error error:HC006 A timeout occurred waiting for the response.
+ : @error error:HCV02 Trying to follow a redirect of a POST, PUT, or DELETE request
+~:)
+declare %an:sequential function http-wrapper:http-sequential-request(
+ $request as element()?,
+ $href as xs:string?,
+ $bodies as item()*) as item()+
+{
+ try
+ {
+ {
+ variable $json-request := http-wrapper:json-request($request, $href, $bodies);
+ variable $json-response := json-http:send-request($json-request);
+ variable $xml-response := http-wrapper:xml-response($json-response, fn:data($request/@override-media-type));
+ $xml-response
+ }
+ } catch XPTY0004 {
+ fn:error($error:HC005, "The input request element is not valid.")
+ } catch json-http:HTTP {
+ fn:error($error:HC001, "An HTTP error occurred.")
+ } catch json-http:REQUEST {
+ fn:error($error:HC005, "The input request element is not valid.")
+ } catch json-http:TIMEOUT {
+ fn:error($error:HC006, "A timeout occurred waiting for the response.")
+ } catch json-http:FOLLOW {
+ fn:error($error:HCV02, "Trying to follow a redirect of a POST, PUT, or DELETE request.")
+ } catch json-http:CHARSET {
+ fn:error($error:HC005, "The input request element is not valid: invalid charset specified.")
+ } catch * {
+ fn:error(fn:QName($error:errNS, fn:local-name-from-QName($err:code)),$err:description, $err:value)
+ }
+};
+
+(:~
+ : <p>This function sends an HTTP request and returns the corresponding response.
+ : This function is declared non-deterministic and should only be used to issue
+ : requests which do not change the state of the server.</p>
+ :
+ : <p>Its inputs, outputs, and behavior are identical to the
+ : <a href="http://expath.org/spec/http-client";>EXPath http-client</a>'s
+ : send-request() function (except that HTML responses are not tidied
+ : into XML - see <a href="#expath_relation">the note above</a>). It
+ : is provided here for use in Zorba installations that do not have
+ : the EXPath module available. If you have the option of using the
+ : EXPath module instead of this function, please do so, as it will
+ : allow your application to be more interoperable between different
+ : XQuery engines.</p>
+ :
+ : <p>Full documentation of the $request parameter can be found in
+ : <a href="http://expath.org/spec/http-client#d2e183";>the EXPath
+ : specification</a>.</p>
+ :
+ : @param $request Contains the various parameters of the request (see above).
+ : @param $href The URL to which the request will be made (see
+ : <a href="#url_string">note</a> above). If this
+ : parameter is specified, it will override the "href" attribute of
+ : $request.
+ : @param $bodies is the request body content, for HTTP methods that can
+ : contain a body in the request (i.e. POST and PUT). It is an error if this
+ : param is not the empty sequence for methods
+ : @return <a href="#standard_return">standard http-client return type</a>.
+ :
+ : @error error:HC001 An HTTP error occurred.
+ : @error error:HC002 Error parsing the response content as XML.
+ : @error error:HC003 With a multipart response, the override-media-type must be either a multipart media type or application/octet-stream.
+ : @error error:HC004 The src attribute on the body element is mutually exclusive with all other attribute (except the media-type).
+ : @error error:HC005 The input request element is not valid.
+ : @error error:HC006 A timeout occurred waiting for the response.
+ : @error error:HCV02 Trying to follow a redirect of a POST, PUT, or DELETE request
+~:)
+declare %an:nondeterministic function http-wrapper:http-nondeterministic-request(
+ $request as element()?,
+ $href as xs:string?,
+ $bodies as item()*) as item()+
+{
+ try
+ {
+ {
+ variable $json-request := http-wrapper:json-request($request, $href, $bodies);
+ variable $json-response := json-http:send-nondeterministic-request($json-request);
+ variable $xml-response := http-wrapper:xml-response($json-response, fn:data($request/@override-media-type));
+ $xml-response
+ }
+ } catch XPTY0004 {
+ fn:error($error:HC005, "The input request element is not valid.")
+ } catch json-http:HTTP {
+ fn:error($error:HC001, "An HTTP error occurred.")
+ } catch json-http:REQUEST {
+ fn:error($error:HC005, "The input request element is not valid.")
+ } catch json-http:TIMEOUT {
+ fn:error($error:HC006, "A timeout occurred waiting for the response.")
+ } catch json-http:FOLLOW {
+ fn:error($error:HCV02, "Trying to follow a redirect of a POST, PUT, or DELETE request.")
+ } catch json-http:CHARSET {
+ fn:error($error:HC005, "The input request element is not valid: invalid charset specified.")
+ } catch * {
+ fn:error(fn:QName($error:errNS, fn:local-name-from-QName($err:code)),$err:description, $err:value)
+ }
+};
+
+
+(:
+ : JSON Response to XML Response Conversion
+ :)
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function accepts a JSON HTTP module response, as
+ : used by the http://zorba.io/modules/http-client module
+ : and returns its EXPath XML representation.
+ :
+ : @param $response a JSON response representation.
+ : @param $override-media-type if specified, is used in place of all
+ : body media-types in the response.
+ : @return EXPath XML response representation.
+ : @error error:HC002 Error parsing the response content as XML.
+ :)
+declare %private function http-wrapper:xml-response($response as object(), $override-media-type as xs:string?) as item()+
+{
+ validate
+ {
+ element http-schema:response
+ {
+ attribute message {$response("message")},
+ attribute status {$response("status")},
+ http-wrapper:xml-headers($response("headers")),
+ http-wrapper:xml-body($response("body")),
+ http-wrapper:xml-multipart($response("multipart"))
+ }
+ },
+ http-wrapper:get-bodies(libjn:descendant-objects($response)("body"), $override-media-type)
+};
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function accepts a JSON HTTP module response, as
+ : used by the http://zorba.io/modules/http-client module
+ : and returns its EXPath XML representation.
+ :
+ : If the body media-type indicates that the response body
+ : has an XML content, the response body is parsed as XML
+ : before being returned.
+ :
+ : @param $bodies a sequence JSON bodies.
+ : @param $override-media-type if specified, is used in place of all body media-types.
+ : @return body contents.
+ : @error error:HC002 Error parsing the response content as XML.
+ :)
+declare %private function http-wrapper:get-bodies($bodies as object()*, $override-media-type as xs:string?) as item()*
+{
+ for $body in $bodies
+ let $media-type := ($override-media-type, $body("media-type"))[1]
+ let $mime-type := if (fn:contains($media-type,";"))
+ then fn:substring-before($media-type,";")
+ else $media-type
+ return
+ if ($mime-type eq "text/xml" or
+ $mime-type eq "application/xml" or
+ $mime-type eq "text/xml-external-parsed-entity" or
+ $mime-type eq "application/xml-external-parsed-entity" or
+ fn:ends-with($mime-type,"+xml"))
+ then
+ try {
+ parse-xml($body("content"))}
+ catch FODC0006 {
+ fn:error($error:HC002, "Error parsing the response content as XML.")}
+ else $body("content")
+};
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function accepts the headers portion of a JSON HTTP module
+ : response, as used by the http://zorba.io/modules/http-client module
+ : and returns its EXPath XML representation.
+ :
+ : @param $headers JSON representation of an headers set.
+ : @return XML representation of the given headers.
+ :)
+declare %private function http-wrapper:xml-headers($headers as object()?) as element()*
+{
+ if (exists($headers))
+ then
+ for $header-name in jn:keys($headers)
+ return
+ element http-schema:header
+ {
+ attribute name {$header-name},
+ attribute value {$headers($header-name)}
+ }
+ else ()
+};
+
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function accepts the body portion of a JSON HTTP module
+ : response, as used by the http://zorba.io/modules/http-client module
+ : and returns its EXPath XML representation.
+ :
+ : @param $body JSON representation of a body.
+ : @return XML representation of the given body.
+ :)
+declare %private function http-wrapper:xml-body($body as object()?) as element()?
+{
+ if(exists($body))
+ then
+ element http-schema:body
+ {
+ attribute media-type {$body("media-type")}
+ }
+ else ()
+};
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function accepts the multipart portion of a JSON HTTP module
+ : response, as used by the http://zorba.io/modules/http-client module
+ : and returns its EXPath XML representation.
+ :
+ : @param $multipart JSON representation of a multipart.
+ : @return XML representation of the given multipart.
+ :)
+declare %private function http-wrapper:xml-multipart($multipart as object()?) as element()?
+{
+ if(exists($multipart))
+ then
+ element http-schema:multipart
+ {
+ attribute media-type {$multipart("media-type")},
+
+ if ($multipart("boundary"))
+ then attribute boundary {$multipart("boundary")}
+ else (),
+
+ for $part in jn:members($multipart("part"))
+ return
+ (
+ http-wrapper:xml-headers($part("headers")),
+ http-wrapper:xml-body($part("body"))
+ )
+ }
+ else ()
+};
+
+(:
+ : XML Request to JSON Request
+ :)
+(:~
+ : Private function used internally by this module.
+ :
+ : This function accepts an XML EXPath HTTP request and returns its
+ : JSON representation, as used by the http://zorba.io/modules/http-client
+ : module.
+ :
+ : @param $request XML EXPath HTTP request.
+ : @param $href is the HTTP or HTTPS URI to send the request to. If specified,
+ : any href URI specified in the request element is ignored.
+ : @param $bodies the request bodies content.
+ : @return JSON HTTP request representation.
+ :
+ : @error error:HC005 The specified request object is not valid.
+ :)
+declare %private function http-wrapper:json-request($request as element()?, $href as xs:string?, $bodies as item()*) as item()
+{
+ if (http-wrapper:check-params($request, $href, $bodies))
+ then
+ {
+ variable $req := if ($request)
+ then try {
+ validate { http-wrapper:set-content-type($request) }}
+ catch XQDY0027 {
+ fn:error($error:HC005, "The request element is not valid.")}
+ else ();
+ {|
+
+ {"method": if ($req/@method) then $req/@method/string(.) else "GET"},
+
+ if ($href)
+ then {"href": $href}
+ else {"href": $req/@href/string(.)},
+
+ if ($request)
+ then
+ (
+ http-wrapper:json-authentication($req),
+ http-wrapper:json-options($req),
+ http-wrapper:json-headers($req/http-schema:header),
+ http-wrapper:json-body($req/http-schema:body,$bodies),
+ http-wrapper:json-multipart($req/http-schema:multipart,$bodies)
+ )
+ else ()
+
+ |}
+
+ }
+ else ()
+
+};
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function accepts an XML EXPath HTTP request and returns the
+ : JSON representation of its authentication options, as used by the
+ : http://zorba.io/modules/http-client module.
+ :
+ : @param $request XML EXPath HTTP request.
+ : @return JSON HTTP request authentication representation.
+ :)
+declare %private function http-wrapper:json-authentication($request as element()) as object()?
+{
+ if (xs:boolean($request/@send-authorization/data(.)))
+ then
+ {
+ "authentication" :
+ {
+ "username": $request/@username/string(.),
+ "password": $request/@password/string(.),
+ "auth-method": $request/@auth-method/string(.)
+ }
+ }
+ else ()
+};
+
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function accepts an XML EXPath HTTP request and returns the
+ : JSON representation of its options, as used by the
+ : http://zorba.io/modules/http-client module.
+ :
+ : @param $request XML EXPath HTTP request.
+ : @return JSON HTTP request options representation.
+ :)
+declare %private function http-wrapper:json-options($request as element()) as object()?
+{
+ if ($request/@status-only || $request/@override-media-type ||
+ $request/@follow-redirect || $request/@timeout || $request/@user-agent)
+ then
+ {
+ "options":
+ {
+ {|
+ if ($request/@status-only)
+ then {"status-only": xs:boolean($request/@status-only/data(.))}
+ else (),
+
+ if ($request/@override-media-type)
+ then {"override-media-type": $request/@override-media-type/string(.)}
+ else (),
+
+ if ($request/@follow-redirect)
+ then {"follow-redirect": xs:boolean($request/@follow-redirect/data(.))}
+ else (),
+
+ if ($request/@timeout)
+ then {"timeout": $request/@timeout/data(.)}
+ else (),
+
+ if ($request/@user-agent)
+ then {"user-agent": $request/@user-agent/string(.)}
+ else ()
+ |}
+ }
+ }
+ else ()
+};
+
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function accepts a sequence of headers in the XML EXPath HTTP request
+ : format and returns their JSON representation, as used by the
+ : http://zorba.io/modules/http-client module.
+ :
+ : @param $headers XML EXPath HTTP headers.
+ : @return JSON HTTP request headers representation.
+ :)
+declare %private function http-wrapper:json-headers($headers as element()*) as object()?
+{
+ if ($headers)
+ then
+ {
+ "headers":
+ {|
+ for $header in $headers
+ group by $name := $header/@name
+ return {$name: string-join($header/@value,",")}
+ |}
+ }
+ else ()
+};
+
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function accept a body element in the XML EXPath HTTP request
+ : format and returns its JSON representation, as used by the
+ : http://zorba.io/modules/http-client module.
+ :
+ : @param $body XML EXPath HTTP body element.
+ : @param $content body content.
+ : @return JSON HTTP request headers representation.
+ :)
+declare %private function http-wrapper:json-body($body as element()?, $content as item()*) as object()?
+{
+ if ($body)
+ then
+ {
+ "body":
+ {|
+ {"media-type": $body/@media-type/string(.)},
+
+ if ($body/@src)
+ then {"src": $body/@src/string(.)}
+ else {"content": http-wrapper:produce-content($body,$content)}
+ |}
+ }
+ else ()
+};
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function serializes a request body.
+ :
+ : @param $body request contents.
+ : @return serialized body.
+ :)
+declare %private function http-wrapper:produce-content($body as element(), $content as item()*) as xs:string
+{
+ let $request-body := if ($body/node())
+ then $body/node()
+ else $content
+ return
+ if ($body/@method eq "binary")
+ then if ($request-body instance of xs:base64Binary or $request-body instance of xs:hexBinary)
+ then $request-body
+ else
+ copy $serialization-parameters := http-wrapper:serialization-parameters($body)
+ modify delete node $serialization-parameters/ser:method
+ return fn:serialize($request-body,$serialization-parameters)
+ else fn:serialize($request-body, http-wrapper:serialization-parameters($body))
+};
+
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function accept a body element in the XML EXPath HTTP request
+ : format and returns the serializer parameters to be used to serialize
+ : its content.
+ :
+ : @param $body XML EXPath HTTP body element.
+ : @return serializer parameters.
+ :)
+declare %private function http-wrapper:serialization-parameters($body as element()) as element()
+{
+ element ser:serialization-parameters
+ {
+ http-wrapper:default-serialization-parameters($body),
+ for $option in $body/(@method | @byte-order-mark | @cdata-section-elements |
+ @doctype-public | @doctype-system | @encoding |
+ @escape-uri-attributes | @indent |@normalization-form |
+ @omit-xml-declaration | @standalone | @suppress-indentation |
+ @undeclare-prefixes | @version)
+ return
+ element {QName("http://www.w3.org/2010/xslt-xquery-serialization",local-name($option))}
+ {attribute value {$option/string(.)}}
+ }
+};
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function return this module default serialization parameters.
+ :
+ : @param $body XML EXPath HTTP body element.
+ : @return serializer parameters.
+ :)
+declare %private function http-wrapper:default-serialization-parameters($body as element()) as element()*
+{
+ if ($body/@method/string(.) eq "xml")
+ then
+ (
+ if ($body/@omit-xml-declaration)
+ then ()
+ else
+ element {QName("http://www.w3.org/2010/xslt-xquery-serialization","omit-xml-declaration";)}
+ {attribute value {"no"}}
+ )
+ else ()
+};
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function accept a multipart element in the XML EXPath HTTP request
+ : format and returns its JSON representation, as used by the
+ : http://zorba.io/modules/http-client module.
+ :
+ : @param $multipart XML EXPath HTTP multipart element.
+ : @param $bodies multipart bodies content.
+ : @return JSON HTTP request multipart representation.
+ :)
+declare %private function http-wrapper:json-multipart($multipart as element()?, $bodies as item()*) as object()?
+{
+ if ($multipart)
+ then
+ {
+ "multipart":
+ {|
+ {"media-type": $multipart/@media-type/string(.)},
+
+ if ($multipart/@boundary)
+ then {"boundary": $multipart/@boundary/string(.)}
+ else (),
+
+ {"parts":
+ [
+ let $requests:= $multipart/*
+ for $part in $requests
+ group by $bodies-before:= count($requests[local-name(.) eq "body" and . << $part])
+ return
+ let $content :=
+ if ($part/self::http-schema:body/@src)
+ then () (: The content will be downloaded from the "src" url :)
+ else if ($part/self::http-schema:body/node())
+ then ($part/self::http-schema:body/node()) (: the content is made by the body children :)
+ else (: the content is the 1+n-th body item, where n is the number of parts
+ before the current one which body has no src attributes and no childrens :)
+ ($bodies[1+count($requests[local-name(.) eq "body" and
+ not(@content) and not(node()) and . << $part/self::http-schema:body])])
+ return http-wrapper:json-part($part/self::http-schema:header, $part/self::http-schema:body, $content)
+ ]}
+ |}
+ }
+ else ()
+};
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function accept a part headers, body and content in the XML
+ : EXPath HTTP request format and returns its JSON representation, as
+ : used by the http://zorba.io/modules/http-client module.
+ :
+ : @param $headers XML EXPath HTTP header elements.
+ : @param $body XML EXPath HTTP body element.
+ : @param $content XML EXPath HTTP body content.
+ : @return JSON HTTP request part representation.
+ :)
+declare %private function http-wrapper:json-part($headers as element()*, $body as element(), $content as item()*) as item()
+{
+ {|
+ http-wrapper:json-headers($headers),
+ http-wrapper:json-body($body,$content)
+ |}
+};
+
+(:~
+ : Private function used internally by this module.
+ :
+ : This function checks if the request, href, and bodies parameters
+ : are consistent.
+ :
+ : @param $request The request which needs to be checked.
+ : @param $href The href which needs to be checked.
+ : @param $bodies The bodies element which needs to be checked.
+ : @return true if the parameters are consistent. Otherwise,
+ : this function raises an error.
+ :
+ : @error error:HC004 The src attribute on the body element is mutually exclusive with all other attribute (except the media-type).
+ : @error error:HC005 The specified request object is not valid.
+ :
+ :)
+declare %private function http-wrapper:check-params(
+ $request as element(http-schema:request)?,
+ $href as xs:string?,
+ $bodies as item()*) as xs:boolean {
+ let $multipart := $request/http-schema:multipart
+ let $override := $request/@override-media-type/string(.)
+ let $should-be-empty :=
+ for $x in $request//http-schema:body
+ return
+ if ($x/@src and fn:not((fn:count($x/@*) eq 2))) then 1
+ else ()
+ return
+ if (fn:empty($href) and fn:empty($request)) then
+ fn:error($error:HC005, "The request element is not valid.")
+ else if ($href eq "") then
+ fn:error($error:HC005, "The request element is not valid.")
+ else if (not(count($request//http-schema:body[not(exists(node())) and not(exists(@src))]) eq count($bodies))) then
+ fn:error($error:HC005, "The request element is not valid.")
+ else if ($should-be-empty) then
+ fn:error($error:HC004, "The src attribute on the body element is mutually exclusive with all other attributes (except the media-type).")
+ else
+ fn:true()
+};
+
+(:~
+ : This adds a default method attribute to all body elements which
+ : don't contain a method attribute.
+ :
+ : @param $request The request which need to be copied.
+ : @return A copy of $request with all request//body/@method set.
+ :)
+declare %private function http-wrapper:set-content-type(
+ $request as element(http-schema:request)?)
+ as element(http-schema:request)? {
+ if ($request) then
+ <http-schema:request>{$request/@*}
+ {
+ for $x in $request/node()
+ return
+ typeswitch($x)
+ case element(http-schema:body) return http-wrapper:create-body($x)
+ case element(http-schema:multipart) return http-wrapper:create-multipart($x)
+ default return $x
+ }
+ </http-schema:request>
+ else ()
+};
+
+
+(:~
+ : This function takes an http-schema:body element, copies it, and
+ : adds a method attribute to the copy if there is none
+ : in the original element.
+ :
+ : @param $body is the original http-schema:body element
+ : @return a http-schema:body element with a corresponding <code>@method</code>
+ : attribute
+ :)
+declare %private function http-wrapper:create-body (
+ $body as element(http-schema:body))
+ as element(http-schema:body) {
+ <http-schema:body>{$body/@*}
+ {
+ if ($body/@method) then
+ ()
+ else
+ attribute method {
+ if ($body/@media-type eq "text/xml" or
+ $body/@media-type eq "application/xml" or
+ $body/@media-type eq "text/xml-external-parsed-entity" or
+ $body/@media-type eq "application/xml-external-parsed-entity") then
+ "xml"
+ else if ($body/@media-type eq "text/html") then "html"
+ else if (fn:starts-with($body/@media-type/data(.), "text/")) then "text"
+ else "binary"
+ }
+ }
+ {$body/node()}
+ </http-schema:body>
+};
+
+(:~
+ : This function takes an http-schema:multipart element, copies it and
+ : adds a @method attribute to all body elements which don't have
+ : one.
+ :
+ : @param $multipart the original http-schema:multipart
+ : @return a copy of $multipart with all $multipart/body/@method set
+ :)
+declare %private function http-wrapper:create-multipart (
+ $multipart as element(http-schema:multipart))
+ as element(http-schema:multipart) {
+ <http-schema:multipart>{$multipart/@*}
+ {
+ for $x in $multipart/node()
+ return
+ typeswitch($x)
+ case element(http-schema:body) return http-wrapper:create-body($x)
+ default return $x
+ }
+ </http-schema:multipart>
+};
=== modified file 'modules/http-client/xml/http-client.xq'
--- modules/http-client/xml/http-client.xq 2013-07-24 07:21:59 +0000
+++ modules/http-client/xml/http-client.xq 2013-07-25 15:45:37 +0000
@@ -251,6 +251,7 @@
import module namespace error = "http://expath.org/ns/error";;
import module namespace json-http = "http://zorba.io/modules/http-client";;
+import module namespace http-wrapper = "http://zorba.io/modules/http-client-wrapper";;
import module namespace libjn = "http://jsoniq.org/function-library";;
import schema namespace http-schema = "http://expath.org/ns/http-client";;
@@ -304,25 +305,7 @@
$href as xs:string?,
$bodies as item()*) as item()+
{
- if (http:check-params($request, $href, $bodies))
- then
- {
- variable $req :=
- if ($request)
- then
- try
- {
- validate { http:set-content-type($request) }
- }
- catch XQDY0027
- {
- fn:error($error:HC005, "The request element is not valid.")
- }
- else ();
- variable $result := http:http-sequential-impl($req, $href, $bodies);
- $result
- }
- else ()
+ http-wrapper:http-sequential-request($request, $href, $bodies)
};
@@ -342,7 +325,7 @@
:)
declare %an:nondeterministic function http:get($href as xs:string) as item()+
{
- http:http-nondeterministic-impl(validate {<http-schema:request method="GET" href="{$href}" follow-redirect="true"/>}, (), ())
+ http-wrapper:http-nondeterministic-request(validate {<http-schema:request method="GET" href="{$href}" follow-redirect="true"/>}, (), ())
};
(:~
@@ -361,7 +344,7 @@
:)
declare %an:nondeterministic function http:get-node($href as xs:string) as item()+
{
- http:http-nondeterministic-impl(validate {<http-schema:request method="GET" href="{$href}" follow-redirect="true" override-media-type="text/xml; charset=utf-8"/>}, (), ())
+ http-wrapper:http-nondeterministic-request(validate {<http-schema:request method="GET" href="{$href}" follow-redirect="true" override-media-type="text/xml; charset=utf-8"/>}, (), ())
};
(:~
@@ -381,7 +364,7 @@
:)
declare %an:nondeterministic function http:get-text($href as xs:string) as item()+
{
- http:http-nondeterministic-impl(validate {<http-schema:request method="GET" href="{$href}" follow-redirect="true" override-media-type="text/plain; charset=utf-8"/>}, (), ())
+ http-wrapper:http-nondeterministic-request(validate {<http-schema:request method="GET" href="{$href}" follow-redirect="true" override-media-type="text/plain; charset=utf-8"/>}, (), ())
};
(:~
@@ -401,7 +384,7 @@
:)
declare %an:nondeterministic function http:get-binary($href as xs:string) as item()+
{
- http:http-nondeterministic-impl(validate {<http-schema:request method="GET" href="{$href}" follow-redirect="true" override-media-type="binary"/>}, (), ())
+ http-wrapper:http-nondeterministic-request(validate {<http-schema:request method="GET" href="{$href}" follow-redirect="true" override-media-type="binary"/>}, (), ())
};
(:~
@@ -418,7 +401,7 @@
: @example test/rbkt/Queries/zorba/http-client/xml/head/head_status.xq
:)
declare %an:nondeterministic function http:head($href as xs:string) as item() {
- http:http-nondeterministic-impl(
+ http-wrapper:http-nondeterministic-request(
validate {
<http-schema:request method="HEAD" href="{$href}">
</http-schema:request>
@@ -438,7 +421,7 @@
: @example test/rbkt/Queries/zorba/http-client/xml/options/options.xq
:)
declare %an:nondeterministic function http:options($href as xs:string) as xs:string* {
- let $resp := http:http-nondeterministic-impl(
+ let $resp := http-wrapper:http-nondeterministic-request(
validate {
<http-schema:request method="OPTIONS" href="{$href}">
</http-schema:request>
@@ -529,7 +512,7 @@
case xs:base64Binary return "binary"
default return "text";
- variable $result := http:http-sequential-impl(validate {
+ variable $result := http-wrapper:http-sequential-request(validate {
<http-schema:request href="{$href}" method="PUT">
<http-schema:body media-type="{$content-type}" method="{$method}">{$body}</http-schema:body>
</http-schema:request>}
@@ -553,7 +536,7 @@
:)
declare %an:sequential function http:delete($href as xs:string) as item()+
{
- http:http-sequential-impl(
+ http-wrapper:http-sequential-request(
validate {
<http-schema:request method="DELETE" href="{$href}">
</http-schema:request>
@@ -642,7 +625,7 @@
case xs:base64Binary return "binary"
default return "text";
- variable $result := http:http-sequential-impl(validate {
+ variable $result := http-wrapper:http-sequential-request(validate {
<http-schema:request href="{$href}" method="POST">
<http-schema:body media-type="{$content-type}" method="{$method}">{$body}</http-schema:body>
</http-schema:request>}
@@ -650,650 +633,3 @@
$result
};
-
-(:~
- : This function takes an http-schema:body element, copies it, and
- : adds a method attribute to the copy if there is none
- : in the original element.
- :
- : @param $body is the original http-schema:body element
- : @return a http-schema:body element with a corresponding <code>@method</code>
- : attribute
- :)
-declare %private function http:create-body (
- $body as element(http-schema:body))
- as element(http-schema:body) {
- <http-schema:body>{$body/@*}
- {
- if ($body/@method) then
- ()
- else
- attribute method {
- if ($body/@media-type eq "text/xml" or
- $body/@media-type eq "application/xml" or
- $body/@media-type eq "text/xml-external-parsed-entity" or
- $body/@media-type eq "application/xml-external-parsed-entity") then
- "xml"
- else if ($body/@media-type eq "text/html") then "html"
- else if (fn:starts-with($body/@media-type/data(.), "text/")) then "text"
- else "binary"
- }
- }
- {$body/node()}
- </http-schema:body>
-};
-
-(:~
- : This function takes an http-schema:multipart element, copies it and
- : adds a @method attribute to all body elements which don't have
- : one.
- :
- : @param $multipart the original http-schema:multipart
- : @return a copy of $multipart with all $multipart/body/@method set
- :)
-declare %private function http:create-multipart (
- $multipart as element(http-schema:multipart))
- as element(http-schema:multipart) {
- <http-schema:multipart>{$multipart/@*}
- {
- for $x in $multipart/node()
- return
- typeswitch($x)
- case element(http-schema:body) return http:create-body($x)
- default return $x
- }
- </http-schema:multipart>
-};
-
-
-(:~
- : This adds a default method attribute to all body elements which
- : don't contain a method attribute.
- :
- : @param $request The request which need to be copied.
- : @return A copy of $request with all request//body/@method set.
- :)
-declare %private function http:set-content-type(
- $request as element(http-schema:request)?)
- as element(http-schema:request)? {
- if ($request) then
- <http-schema:request>{$request/@*}
- {
- for $x in $request/node()
- return
- typeswitch($x)
- case element(http-schema:body) return http:create-body($x)
- case element(http-schema:multipart) return http:create-multipart($x)
- default return $x
- }
- </http-schema:request>
- else ()
-};
-
-(:~
- : Private function used internally by this module.
- :
- : This function checks if the request, href, and bodies parameters
- : are consistent.
- :
- : @param $request The request which needs to be checked.
- : @param $href The href which needs to be checked.
- : @param $bodies The bodies element which needs to be checked.
- : @return true if the parameters are consistent. Otherwise,
- : this function raises an error.
- :
- : @error error:HC004 The src attribute on the body element is mutually exclusive with all other attribute (except the media-type).
- : @error error:HC005 The specified request object is not valid.
- :
- :)
-declare %private function http:check-params(
- $request as element(http-schema:request)?,
- $href as xs:string?,
- $bodies as item()*) as xs:boolean {
- let $multipart := $request/http-schema:multipart
- let $override := $request/@override-media-type/string(.)
- let $should-be-empty :=
- for $x in $request//http-schema:body
- return
- if ($x/@src and fn:not((fn:count($x/@*) eq 2))) then 1
- else ()
- return
- if (fn:empty($href) and fn:empty($request)) then
- fn:error($error:HC005, "The request element is not valid.")
- else if ($href eq "") then
- fn:error($error:HC005, "The request element is not valid.")
- else if (not(count($request//http-schema:body[not(exists(node())) and not(exists(@src))]) eq count($bodies))) then
- fn:error($error:HC005, "The request element is not valid.")
- else if ($should-be-empty) then
- fn:error($error:HC004, "The src attribute on the body element is mutually exclusive with all other attributes (except the media-type).")
- else
- fn:true()
-};
-
-
-(:
- : JSON Response to XML Response Conversion
- :)
-
-(:~
- : Private function used internally by this module.
- :
- : This function accepts a JSON HTTP module response, as
- : used by the http://zorba.io/modules/http-client module
- : and returns its EXPath XML representation.
- :
- : @param $response a JSON response representation.
- : @param $override-media-type if specified, is used in place of all
- : body media-types in the response.
- : @return EXPath XML response representation.
- : @error error:HC002 Error parsing the response content as XML.
- :)
-declare %private function http:xml-response($response as object(), $override-media-type as xs:string?) as item()+
-{
- validate
- {
- element http-schema:response
- {
- attribute message {$response("message")},
- attribute status {$response("status")},
- http:xml-headers($response("headers")),
- http:xml-body($response("body")),
- http:xml-multipart($response("multipart"))
- }
- },
- http:get-bodies(libjn:descendant-objects($response)("body"), $override-media-type)
-};
-
-(:~
- : Private function used internally by this module.
- :
- : This function accepts a JSON HTTP module response, as
- : used by the http://zorba.io/modules/http-client module
- : and returns its EXPath XML representation.
- :
- : If the body media-type indicates that the response body
- : has an XML content, the response body is parsed as XML
- : before being returned.
- :
- : @param $bodies a sequence JSON bodies.
- : @param $override-media-type if specified, is used in place of all body media-types.
- : @return body contents.
- : @error error:HC002 Error parsing the response content as XML.
- :)
-declare %private function http:get-bodies($bodies as object()*, $override-media-type as xs:string?) as item()*
-{
- for $body in $bodies
- let $media-type := ($override-media-type, $body("media-type"))[1]
- let $mime-type := if (fn:contains($media-type,";"))
- then fn:substring-before($media-type,";")
- else $media-type
- return
- if ($mime-type eq "text/xml" or
- $mime-type eq "application/xml" or
- $mime-type eq "text/xml-external-parsed-entity" or
- $mime-type eq "application/xml-external-parsed-entity" or
- fn:ends-with($mime-type,"+xml"))
- then
- try {
- parse-xml($body("content"))}
- catch FODC0006 {
- fn:error($error:HC002, "Error parsing the response content as XML.")}
- else $body("content")
-};
-
-(:~
- : Private function used internally by this module.
- :
- : This function accepts the headers portion of a JSON HTTP module
- : response, as used by the http://zorba.io/modules/http-client module
- : and returns its EXPath XML representation.
- :
- : @param $headers JSON representation of an headers set.
- : @return XML representation of the given headers.
- :)
-declare %private function http:xml-headers($headers as object()?) as element()*
-{
- if (exists($headers))
- then
- for $header-name in jn:keys($headers)
- return
- element http-schema:header
- {
- attribute name {$header-name},
- attribute value {$headers($header-name)}
- }
- else ()
-};
-
-
-(:~
- : Private function used internally by this module.
- :
- : This function accepts the body portion of a JSON HTTP module
- : response, as used by the http://zorba.io/modules/http-client module
- : and returns its EXPath XML representation.
- :
- : @param $body JSON representation of a body.
- : @return XML representation of the given body.
- :)
-declare %private function http:xml-body($body as object()?) as element()?
-{
- if(exists($body))
- then
- element http-schema:body
- {
- attribute media-type {$body("media-type")}
- }
- else ()
-};
-
-(:~
- : Private function used internally by this module.
- :
- : This function accepts the multipart portion of a JSON HTTP module
- : response, as used by the http://zorba.io/modules/http-client module
- : and returns its EXPath XML representation.
- :
- : @param $multipart JSON representation of a multipart.
- : @return XML representation of the given multipart.
- :)
-declare %private function http:xml-multipart($multipart as object()?) as element()?
-{
- if(exists($multipart))
- then
- element http-schema:multipart
- {
- attribute media-type {$multipart("media-type")},
-
- if ($multipart("boundary"))
- then attribute boundary {$multipart("boundary")}
- else (),
-
- for $part in jn:members($multipart("part"))
- return
- (
- http:xml-headers($part("headers")),
- http:xml-body($part("body"))
- )
- }
- else ()
-};
-
-(:
- : XML Request to JSON Request
- :)
-(:~
- : Private function used internally by this module.
- :
- : This function accepts an XML EXPath HTTP request and returns its
- : JSON representation, as used by the http://zorba.io/modules/http-client
- : module.
- :
- : @param $request XML EXPath HTTP request.
- : @param $href is the HTTP or HTTPS URI to send the request to. If specified,
- : any href URI specified in the request element is ignored.
- : @param $bodies the request bodies content.
- : @return JSON HTTP request representation.
- :
- : @error error:HC005 The specified request object is not valid.
- :)
-declare %private function http:json-request($request as element()?, $href as xs:string?, $bodies as item()*) as item()
-{
- if (http:check-params($request, $href, $bodies))
- then
- {
- variable $req := if ($request)
- then try {
- validate { http:set-content-type($request) }}
- catch XQDY0027 {
- fn:error($error:HC005, "The request element is not valid.")}
- else ();
- {|
-
- {"method": if ($req/@method) then $req/@method/string(.) else "GET"},
-
- if ($href)
- then {"href": $href}
- else {"href": $req/@href/string(.)},
-
- if ($request)
- then
- (
- http:json-authentication($request),
- http:json-options($request),
- http:json-headers($request/http-schema:header),
- http:json-body($request/http-schema:body,$bodies),
- http:json-multipart($request/http-schema:multipart,$bodies)
- )
- else ()
-
- |}
-
- }
- else ()
-
-};
-
-(:~
- : Private function used internally by this module.
- :
- : This function accepts an XML EXPath HTTP request and returns the
- : JSON representation of its authentication options, as used by the
- : http://zorba.io/modules/http-client module.
- :
- : @param $request XML EXPath HTTP request.
- : @return JSON HTTP request authentication representation.
- :)
-declare %private function http:json-authentication($request as element()) as object()?
-{
- if (xs:boolean($request/@send-authorization/data(.)))
- then
- {
- "authentication" :
- {
- "username": $request/@username/string(.),
- "password": $request/@password/string(.),
- "auth-method": $request/@auth-method/string(.)
- }
- }
- else ()
-};
-
-
-(:~
- : Private function used internally by this module.
- :
- : This function accepts an XML EXPath HTTP request and returns the
- : JSON representation of its options, as used by the
- : http://zorba.io/modules/http-client module.
- :
- : @param $request XML EXPath HTTP request.
- : @return JSON HTTP request options representation.
- :)
-declare %private function http:json-options($request as element()) as object()?
-{
- if ($request/@status-only || $request/@override-media-type ||
- $request/@follow-redirect || $request/@timeout || $request/@user-agent)
- then
- {
- "options":
- {
- {|
- if ($request/@status-only)
- then {"status-only": xs:boolean($request/@status-only/data(.))}
- else (),
-
- if ($request/@override-media-type)
- then {"override-media-type": $request/@override-media-type/string(.)}
- else (),
-
- if ($request/@follow-redirect)
- then {"follow-redirect": xs:boolean($request/@follow-redirect/data(.))}
- else (),
-
- if ($request/@timeout)
- then {"timeout": $request/@timeout/data(.)}
- else (),
-
- if ($request/@user-agent)
- then {"user-agent": $request/@user-agent/string(.)}
- else ()
- |}
- }
- }
- else ()
-};
-
-
-(:~
- : Private function used internally by this module.
- :
- : This function accepts a sequence of headers in the XML EXPath HTTP request
- : format and returns their JSON representation, as used by the
- : http://zorba.io/modules/http-client module.
- :
- : @param $headers XML EXPath HTTP headers.
- : @return JSON HTTP request headers representation.
- :)
-declare %private function http:json-headers($headers as element()*) as object()?
-{
- if ($headers)
- then
- {
- "headers":
- {|
- for $header in $headers
- group by $name := $header/@name
- return {$name: string-join($header/@value,",")}
- |}
- }
- else ()
-};
-
-
-(:~
- : Private function used internally by this module.
- :
- : This function accept a body element in the XML EXPath HTTP request
- : format and returns its JSON representation, as used by the
- : http://zorba.io/modules/http-client module.
- :
- : @param $body XML EXPath HTTP body element.
- : @param $content body content.
- : @return JSON HTTP request headers representation.
- :)
-declare %private function http:json-body($body as element()?, $content as item()*) as object()?
-{
- if ($body)
- then
- {
- "body":
- {|
- {"media-type": $body/@media-type/string(.)},
-
- if ($body/@src)
- then {"src": $body/@src/string(.)}
- else {"content": http:produce-content($body,$content)}
- |}
- }
- else ()
-};
-
-(:~
- : Private function used internally by this module.
- :
- : This function serializes a request body.
- :
- : @param $body request contents.
- : @return serialized body.
- :)
-declare %private function http:produce-content($body as element(), $content as item()*) as xs:string
-{
- let $request-body := if ($body/node())
- then $body/node()
- else $content
- return
- if ($body/@method eq "binary")
- then if ($request-body instance of xs:base64Binary or $request-body instance of xs:hexBinary)
- then $request-body
- else
- copy $serialization-parameters := http:serialization-parameters($body)
- modify delete node $serialization-parameters/ser:method
- return fn:serialize($request-body,$serialization-parameters)
- else fn:serialize($request-body, http:serialization-parameters($body))
-};
-
-
-(:~
- : Private function used internally by this module.
- :
- : This function accept a body element in the XML EXPath HTTP request
- : format and returns the serializer parameters to be used to serialize
- : its content.
- :
- : @param $body XML EXPath HTTP body element.
- : @return serializer parameters.
- :)
-declare %private function http:serialization-parameters($body as element()) as element()
-{
- element ser:serialization-parameters
- {
- http:default-serialization-parameters($body),
- for $option in $body/(@method | @byte-order-mark | @cdata-section-elements |
- @doctype-public | @doctype-system | @encoding |
- @escape-uri-attributes | @indent |@normalization-form |
- @omit-xml-declaration | @standalone | @suppress-indentation |
- @undeclare-prefixes | @version)
- return
- element {QName("http://www.w3.org/2010/xslt-xquery-serialization",local-name($option))}
- {attribute value {$option/string(.)}}
- }
-};
-
-(:~
- : Private function used internally by this module.
- :
- : This function return this module default serialization parameters.
- :
- : @param $body XML EXPath HTTP body element.
- : @return serializer parameters.
- :)
-declare %private function http:default-serialization-parameters($body as element()) as element()*
-{
- if ($body/@method/string(.) eq "xml")
- then
- (
- if ($body/@omit-xml-declaration)
- then ()
- else
- element {QName("http://www.w3.org/2010/xslt-xquery-serialization","omit-xml-declaration";)}
- {attribute value {"no"}}
- )
- else ()
-};
-
-(:~
- : Private function used internally by this module.
- :
- : This function accept a multipart element in the XML EXPath HTTP request
- : format and returns its JSON representation, as used by the
- : http://zorba.io/modules/http-client module.
- :
- : @param $multipart XML EXPath HTTP multipart element.
- : @param $bodies multipart bodies content.
- : @return JSON HTTP request multipart representation.
- :)
-declare %private function http:json-multipart($multipart as element()?, $bodies as item()*) as object()?
-{
- if ($multipart)
- then
- {
- "multipart":
- {|
- {"media-type": $multipart/@media-type/string(.)},
-
- if ($multipart/@boundary)
- then {"boundary": $multipart/@boundary/string(.)}
- else (),
-
- {"parts":
- [
- let $requests:= $multipart/*
- for $part in $requests
- group by $bodies-before:= count($requests[local-name(.) eq "body" and . << $part])
- return
- let $content :=
- if ($part/self::http-schema:body/@src)
- then () (: The content will be downloaded from the "src" url :)
- else if ($part/self::http-schema:body/node())
- then ($part/self::http-schema:body/node()) (: the content is made by the body children :)
- else (: the content is the 1+n-th body item, where n is the number of parts
- before the current one which body has no src attributes and no childrens :)
- ($bodies[1+count($requests[local-name(.) eq "body" and
- not(@content) and not(node()) and . << $part/self::http-schema:body])])
- return http:json-part($part/self::http-schema:header, $part/self::http-schema:body, $content)
- ]}
- |}
- }
- else ()
-};
-
-(:~
- : Private function used internally by this module.
- :
- : This function accept a part headers, body and content in the XML
- : EXPath HTTP request format and returns its JSON representation, as
- : used by the http://zorba.io/modules/http-client module.
- :
- : @param $headers XML EXPath HTTP header elements.
- : @param $body XML EXPath HTTP body element.
- : @param $content XML EXPath HTTP body content.
- : @return JSON HTTP request part representation.
- :)
-declare %private function http:json-part($headers as element()*, $body as element(), $content as item()*) as item()
-{
- {|
- http:json-headers($headers),
- http:json-body($body,$content)
- |}
-};
-
-declare %private %an:sequential function http:http-sequential-impl(
- $request as schema-element(http-schema:request)?,
- $href as xs:string?,
- $bodies as item()*) as item()+
-{
- try
- {
- {
- variable $json-request := http:json-request($request, $href, $bodies);
- variable $json-response := json-http:send-request($json-request);
- variable $xml-response := http:xml-response($json-response, fn:data($request/@override-media-type));
- $xml-response
- }
- (:} catch XPTY0004 {
- fn:error($error:HC005, "The input request element is not valid."):)
- } catch json-http:HTTP {
- fn:error($error:HC001, "An HTTP error occurred.")
- } catch json-http:REQUEST {
- fn:error($error:HC005, "The input request element is not valid.")
- } catch json-http:TIMEOUT {
- fn:error($error:HC006, "A timeout occurred waiting for the response.")
- } catch json-http:FOLLOW {
- fn:error($error:HCV02, "Trying to follow a redirect of a POST, PUT, or DELETE request.")
- } catch json-http:CHARSET {
- fn:error($error:HC005, "The input request element is not valid: invalid charset specified.")
- } (:catch * {
- fn:error(fn:QName($error:errNS, fn:local-name-from-QName($err:code)),$err:description, $err:value)
- }:)
-};
-
-declare %private %an:nondeterministic function http:http-nondeterministic-impl(
- $request as schema-element(http-schema:request)?,
- $href as xs:string?,
- $bodies as item()*) as item()+
-{
- try
- {
- {
- variable $json-request := http:json-request($request, $href, $bodies);
- variable $json-response := json-http:send-nondeterministic-request($json-request);
- variable $xml-response := http:xml-response($json-response, fn:data($request/@override-media-type));
- $xml-response
- }
- } catch XPTY0004 {
- fn:error($error:HC005, "The input request element is not valid.")
- } catch json-http:HTTP {
- fn:error($error:HC001, "An HTTP error occurred.")
- } catch json-http:REQUEST {
- fn:error($error:HC005, "The input request element is not valid.")
- } catch json-http:TIMEOUT {
- fn:error($error:HC006, "A timeout occurred waiting for the response.")
- } catch json-http:FOLLOW {
- fn:error($error:HCV02, "Trying to follow a redirect of a POST, PUT, or DELETE request.")
- } catch json-http:CHARSET {
- fn:error($error:HC005, "The input request element is not valid: invalid charset specified.")
- } catch * {
- fn:error(fn:QName($error:errNS, fn:local-name-from-QName($err:code)),$err:description, $err:value)
- }
-};
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