JSON parsing을 위해 Gson 라이브러리를 사용하여 제공하고 있습니다. Gson 라이브러리에 대한 자세한 설명은 https://github.com/google/gson 에서 확인 하실 수 있습니다.
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Base64;
import com.google.gson.Gson;
public class Example {
static public void main ( String[] args ) {
String openApiURL = "http://aiopen.etri.re.kr:8000/HumanStatus";
String accessKey = "YOUR_ACCESS_KEY"; // 발급받은 API Key
String type = "IMAGE_FILE_TYPE"; // 이미지 파일 확장자
String file = "IMAGE_FILE_PATH"; // 이미지 파일 경로
String imageContents = "";
Gson gson = new Gson();
Map<String, Object> request = new HashMap<>();
Map<String, String> argument = new HashMap<>();
try {
Path path = Paths.get(file);
byte[] imageBytes = Files.readAllBytes(path);
imageContents = Base64.getEncoder().encodeToString(imageBytes);
} catch (IOException e) {
e.printStackTrace();
}
argument.put("type", type);
argument.put("file", imageContents);
request.put("argument", argument);
URL url;
Integer responseCode = null;
String responBody = null;
try {
url = new URL(openApiURL);
HttpURLConnection con = (HttpURLConnection)url.openConnection();
con.setRequestMethod("POST");
con.setDoOutput(true);
con.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
con.setRequestProperty("Authorization", accessKey);
DataOutputStream wr = new DataOutputStream(con.getOutputStream());
wr.write(gson.toJson(request).getBytes("UTF-8"));
wr.flush();
wr.close();
responseCode = con.getResponseCode();
InputStream is = con.getInputStream();
byte[] buffer = new byte[is.available()];
int byteRead = is.read(buffer);
responBody = new String(buffer);
System.out.println("[responseCode] " + responseCode);
System.out.println("[responBody]");
System.out.println(responBody);
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
<?php
$openApiURL = "http://aiopen.etri.re.kr:8000/HumanStatus";
$accessKey = "YOUR_ACCESS_KEY";
$type = "IMAGE_FILE_TYPE";
$filePath = "IMAGE_FILE_PATH";
$imageContents = base64_encode( file_get_contents($filePath ) );
$request = array(
"argument" => array (
"type" => $type,
"file" => $imageContents
)
);
try {
$server_output = "";
$ch = curl_init();
$header = array(
"Content-Type:application/json; charset=UTF-8",
"Authorization":{$accessKey}
);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_URL, $openApiURL);
curl_setopt($ch, CURLOPT_VERBOSE, true);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode ( $request) );
$server_output = curl_exec ($ch);
if($server_output === false) {
echo "Error Number:".curl_errno($ch)."\n";
echo "Error String:".curl_error($ch)."\n";
}
curl_close ($ch);
} catch ( Exception $e ) {
echo $e->getMessage ();
}
echo "result = " . var_dump($server_output);
?>
JSON parsing을 위해 jsoncpp 라이브러리를 사용하여 제공하고 있습니다. jsoncpp 라이브러리에 대한 자세한 설명은 https://github.com/open-source-parsers/jsoncpp 에서 확인 하실 수 있습니다.
HTTP 통신을 위해 curl 라이브러리를 사용하여 제공하고 있습니다. curl 라이브러리에 대한 자세한 설명은 https://curl.haxx.se/libcurl 에서 확인 하실 수 있습니다.
컴파일을 위해서는 아래와 같이 추가된 LIB에 대한 옵션을 추가해야 합니다.
g++ (c++파일명) (JSONCPP)/json/json.h (JSONCPP)/json/json-forwards.h (JSONCPP)/jsoncpp.cpp -I(CURL)/include -lcurl
#include <curl/curl.h>
#include <json/json.h>
#include <iostream>
#include <string>
#include <memory.h>
#include <fstream>
#include <math.h>
#define LENFRAME 800
using namespace std;
size_t writeDataFunc(void *ptr, size_t size, size_t nmemb, string stream);
string base64_encode(unsigned char const* , unsigned int len);
static const string base64_chars =
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz"
"0123456789+/";
int main() {
char* openApiURL = (char*)"http://aiopen.etri.re.kr:8000/HumanStatus";
char* imageFilePath = (char*)"IMAGE_FILE_PATH";
string accessKey = "YOUR_ACCESS_KEY";
string type = "IMAGE_FILE_TYPE";
Json::Value request;
Json::Value argument;
FILE* fp = fopen(imageFilePath, "rt" );
unsigned char sbuf[LENFRAME];
unsigned int nRead = 0;
unsigned int nWrite = 0;
unsigned char* imageBytes;
unsigned char* newimageBytes;
while ( 0 < ( nRead = fread( sbuf, sizeof( char ), LENFRAME, fp ) ) ) {
newimageBytes = new unsigned char[nWrite + nRead];
if ( 0 < nWrite ) {
memcpy(newimageBytes, imageBytes, nWrite * sizeof(char));
}
memcpy(newimageBytes + nWrite, sbuf, nRead * sizeof(char));
nWrite = nWrite + nRead;
imageBytes = new unsigned char[nWrite];
memcpy(imageBytes, newimageBytes, nWrite * sizeof(char));
}
fclose(fp);
argument["type"] = type;
argument["file"] = base64_encode( imageBytes , nWrite);
request["argument"] = argument;
CURL *curl;
curl_slist* responseHeaders = NULL;
curl = curl_easy_init();
if( curl == NULL ) {
} else {
responseHeaders = curl_slist_append( responseHeaders , "Content-Type: application/json; charset=UTF-8" ) ;
responseHeaders = curl_slist_append( responseHeaders , ("Authorization: " + accessKey).c_str() ) ;
string requestJson = request.toStyledString();
long statusCode;
string response;
curl_easy_setopt(curl, CURLOPT_URL, openApiURL);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, responseHeaders ) ;
curl_easy_setopt(curl, CURLOPT_TIMEOUT, 60);
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, requestJson.c_str());
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeDataFunc);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
curl_easy_perform(curl);
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &statusCode);
curl_easy_cleanup(curl);
cout << "[responseCode] " << statusCode << endl;
cout << "[responBody]" << endl;
cout << response << endl;
}
return 0;
}
size_t writeDataFunc(void *ptr, size_t size, size_t nmemb, string stream) {
size_t realsize = size * nmemb;
string temp(static_cast<const char*>(ptr), realsize);
stream.append(temp);
return realsize;
}
string base64_encode(unsigned char const* bytes_to_encode, unsigned int in_len) {
string ret;
int i = 0;
int j = 0;
unsigned char char_array_3[3];
unsigned char char_array_4[4];
while (in_len--) {
char_array_3[i++] = *(bytes_to_encode++);
if (i == 3) {
char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
char_array_4[3] = char_array_3[2] & 0x3f;
for(i = 0; (i <4) ; i++)
ret += base64_chars[char_array_4[i]];
i = 0;
}
}
if (i) {
for(j = i; j < 3; j++)
char_array_3[j] = '\0';
char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
char_array_4[3] = char_array_3[2] & 0x3f;
for (j = 0; (j < i + 1); j++)
ret += base64_chars[char_array_4[j]];
while((i++ < 3))
ret += '=';
}
return ret;
}
python 3.0을 기준으로 작성되었습니다.
HTTP 통신을 위해 urllib3 라이브러리를 사용하여 제공하고 있습니다. Python 3.0 이하의 버전에서 예제를 실행하기 위해서는 별도로 urllib3의 설치가 필요합니다. 설치에 대한 설명은 https://pypi.python.org/pypi/urllib3 를 참고하시기 바랍니다. urllib3 라이브러리에 대한 자세한 설명은 https://urllib3.readthedocs.io/en/latest/ 에서 확인 하실 수 있습니다.
#-*- coding:utf-8 -*-
import urllib3
import json
import base64
openApiURL = "http://aiopen.etri.re.kr:8000/HumanStatus"
accessKey = "YOUR_ACCESS_KEY"
imageFilePath = "IMAGE_FILE_PATH"
type = "IMAGE_FILE_TYPE"
file = open(imageFilePath, "rb")
imageContents = base64.b64encode(file.read()).decode("utf8")
file.close()
requestJson = {
"argument": {
"type": type,
"file": imageContents
}
}
http = urllib3.PoolManager()
response = http.request(
"POST",
openApiURL,
headers={"Content-Type": "application/json; charset=UTF-8","Authorization": accessKey},
body=json.dumps(requestJson)
)
print("[responseCode] " + str(response.status))
print("[responBody]")
print(response.data)
var fs = require('fs');
var openApiURL = 'http://aiopen.etri.re.kr:8000/HumanStatus';
var accessKey = 'YOUR_ACCESS_KEY';
var type = 'IMAGE_FILE_TYPE';
var imageFilePath = 'IMAGE_FILE_PATH';
var imageData;
var imageData = fs.readFileSync(imageFilePath);
var requestJson = {
'argument': {
'type': type,
'file': imageData.toString('base64')
}
};
var request = require('request');
var options = {
url: openApiURL,
body: JSON.stringify(requestJson),
headers: {'Content-Type':'application/json','Authorization':access_key}
};
request.post(options, function (error, response, body) {
console.log('responseCode = ' + response.statusCode);
console.log('responseBody = ' + body);
});