X-Git-Url: http://nitlanguage.org diff --git a/lib/curl/examples/curl_http.nit b/lib/curl/examples/curl_http.nit index 079f12c..e4fdf79 100644 --- a/lib/curl/examples/curl_http.nit +++ b/lib/curl/examples/curl_http.nit @@ -14,100 +14,91 @@ # See the License for the specific language governing permissions and # limitations under the License. -# Sample of the Curl module. -module curl_http +# Example use of the Curl module +module curl_http is example import curl -# Small class to represent an Http Fetcher +# Custom delegate to receive callbacks from a Curl transfer class MyHttpFetcher super CurlCallbacks - var curl: Curl - var our_body: String = "" + # Body of the downloaded file + var fetched_body = "" - init(curl: Curl) do self.curl = curl - - # Release curl object - fun destroy do self.curl.destroy - - # Header callback - redef fun header_callback(line: String) do + redef fun header_callback(line) do # We keep this callback silent for testing purposes - #if not line.has_prefix("Date:") then print "Header_callback : {line}" + #if not line.has_prefix("Date:") then print "Header_callback: {line}" end - # Body callback - redef fun body_callback(line: String) do self.our_body = "{self.our_body}{line}" + redef fun body_callback(line) do self.fetched_body += line - # Stream callback - Cf : No one is registered - redef fun stream_callback(buffer: String, size: Int, count: Int) do print "Stream_callback : {buffer} - {size} - {count}" + redef fun stream_callback(buffer) do print "Stream_callback: {buffer}" end +private fun print_usage do print "Usage: curl_http [POST|GET|GET_FILE] url" -# Program if args.length < 2 then - print "Usage: curl_http " -else - var curl = new Curl - var url = args[1] - var request = new CurlHTTPRequest(url, curl) + print_usage + exit 1 +end + +var url = args[1] +var request = new CurlHTTPRequest(url) +request.verbose = false # Set to `true` to debug +if args[0] == "GET" then # HTTP Get Request - if args[0] == "GET" then - request.verbose = false - var getResponse = request.execute - - if getResponse isa CurlResponseSuccess then - print "Status code : {getResponse.status_code}" - print "Body : {getResponse.body_str}" - else if getResponse isa CurlResponseFailed then - print "Error code : {getResponse.error_code}" - print "Error msg : {getResponse.error_msg}" - end + var response = request.execute + + if response isa CurlResponseSuccess then + print "Status code: {response.status_code}" + print "Body: {response.body_str}" + else if response isa CurlResponseFailed then + print "Error code: {response.error_code}" + print "Error msg: {response.error_msg}" + end +else if args[0] == "POST" then # HTTP Post Request - else if args[0] == "POST" then - var myHttpFetcher = new MyHttpFetcher(curl) - request.delegate = myHttpFetcher - - var postDatas = new HeaderMap - postDatas["Bugs Bunny"] = "Daffy Duck" - postDatas["Batman"] = "Robin likes special characters @#ùà!è§'(\"é&://,;<>∞~*" - postDatas["Batman"] = "Yes you can set multiple identical keys, but APACHE will consider only once, the last one" - request.datas = postDatas - request.verbose = false - var postResponse = request.execute - - print "Our body from the callback : {myHttpFetcher.our_body}" - - if postResponse isa CurlResponseSuccess then - print "*** Answer ***" - print "Status code : {postResponse.status_code}" - print "Body should be empty, because we decided to manage callbacks : {postResponse.body_str.length}" - else if postResponse isa CurlResponseFailed then - print "Error code : {postResponse.error_code}" - print "Error msg : {postResponse.error_msg}" - end + var my_http_fetcher = new MyHttpFetcher + request.delegate = my_http_fetcher + + var post_data = new HeaderMap + post_data["Bugs Bunny"] = "Daffy Duck" + post_data["Batman"] = "Robin likes special characters @#ùà!è§'(\"é&://,;<>∞~*" + post_data["Batman"] = "Yes you can set multiple identical keys, but APACHE will consider only one, the last one" + request.data = post_data + var response = request.execute + + print "Our body from the callback: {my_http_fetcher.fetched_body}" + + if response isa CurlResponseSuccess then + print "*** Answer ***" + print "Status code: {response.status_code}" + print "Body should be empty, because we decided to manage callbacks: {response.body_str.length}" + else if response isa CurlResponseFailed then + print "Error code: {response.error_code}" + print "Error msg: {response.error_msg}" + end +else if args[0] == "GET_FILE" then # HTTP Get to file Request - else if args[0] == "GET_FILE" then - var headers = new HeaderMap - headers["Accept"] = "Moo" - request.headers = headers - request.verbose = false - var downloadResponse = request.download_to_file(null) - - if downloadResponse isa CurlFileResponseSuccess then - print "*** Answer ***" - print "Status code : {downloadResponse.status_code}" - print "Size downloaded : {downloadResponse.size_download}" - else if downloadResponse isa CurlResponseFailed then - print "Error code : {downloadResponse.error_code}" - print "Error msg : {downloadResponse.error_msg}" - end - # Program logic - else - print "Usage : Method[POST, GET, GET_FILE]" + var headers = new HeaderMap + headers["Accept"] = "Moo" + request.headers = headers + var response = request.download_to_file(null) + + if response isa CurlFileResponseSuccess then + print "*** Answer ***" + print "Status code: {response.status_code}" + print "Size downloaded: {response.size_download}" + else if response isa CurlResponseFailed then + print "Error code: {response.error_code}" + print "Error msg: {response.error_msg}" end + +else + print_usage + exit 1 end