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114 lines
3.6 KiB
Plaintext
114 lines
3.6 KiB
Plaintext
# This file is part of NIT ( http://www.nitlanguage.org ).
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#
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# Copyright 2013 Matthieu Lucas <lucasmatthieu@gmail.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Sample of the Curl module.
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module curl_http
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import curl
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# Small class to represent an Http Fetcher
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class MyHttpFetcher
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super CurlCallbacks
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var curl: Curl
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var our_body: String = ""
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init(curl: Curl) do self.curl = curl
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# Release curl object
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fun destroy do self.curl.destroy
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# Header callback
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redef fun header_callback(line: String) do
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# We keep this callback silent for testing purposes
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#if not line.has_prefix("Date:") then print "Header_callback : {line}"
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end
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# Body callback
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redef fun body_callback(line: String) do self.our_body = "{self.our_body}{line}"
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# Stream callback - Cf : No one is registered
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redef fun stream_callback(buffer: String, size: Int, count: Int) do print "Stream_callback : {buffer} - {size} - {count}"
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end
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# Program
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if args.length < 2 then
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print "Usage: curl_http <method wished [POST, GET, GET_FILE]> <target url>"
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else
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var curl = new Curl
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var url = args[1]
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var request = new CurlHTTPRequest(url, curl)
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# HTTP Get Request
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if args[0] == "GET" then
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request.verbose = false
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var getResponse = request.execute
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if getResponse isa CurlResponseSuccess then
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print "Status code : {getResponse.status_code}"
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print "Body : {getResponse.body_str}"
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else if getResponse isa CurlResponseFailed then
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print "Error code : {getResponse.error_code}"
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print "Error msg : {getResponse.error_msg}"
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end
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# HTTP Post Request
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else if args[0] == "POST" then
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var myHttpFetcher = new MyHttpFetcher(curl)
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request.delegate = myHttpFetcher
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var postDatas = new HeaderMap
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postDatas["Bugs Bunny"] = "Daffy Duck"
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postDatas["Batman"] = "Robin likes special characters @#ùà!è§'(\"é&://,;<>∞~*"
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postDatas["Batman"] = "Yes you can set multiple identical keys, but APACHE will consider only once, the last one"
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request.datas = postDatas
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request.verbose = false
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var postResponse = request.execute
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print "Our body from the callback : {myHttpFetcher.our_body}"
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if postResponse isa CurlResponseSuccess then
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print "*** Answer ***"
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print "Status code : {postResponse.status_code}"
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print "Body should be empty, because we decided to manage callbacks : {postResponse.body_str.length}"
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else if postResponse isa CurlResponseFailed then
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print "Error code : {postResponse.error_code}"
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print "Error msg : {postResponse.error_msg}"
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end
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# HTTP Get to file Request
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else if args[0] == "GET_FILE" then
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var headers = new HeaderMap
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headers["Accept"] = "Moo"
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request.headers = headers
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request.verbose = false
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var downloadResponse = request.download_to_file(null)
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if downloadResponse isa CurlFileResponseSuccess then
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print "*** Answer ***"
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print "Status code : {downloadResponse.status_code}"
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print "Size downloaded : {downloadResponse.size_download}"
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else if downloadResponse isa CurlResponseFailed then
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print "Error code : {downloadResponse.error_code}"
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print "Error msg : {downloadResponse.error_msg}"
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end
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# Program logic
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else
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print "Usage : Method[POST, GET, GET_FILE]"
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end
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end
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