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Merge remote-tracking branch 'origin/master' into aaron-branch

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Aaron Sun 2020-10-05 19:06:29 -07:00
commit 9f992ee8ee
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Lambdas/APIs/src/main/java/KroggerAPICaller.java Normal file
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import netscape.javascript.JSObject;
import java.io.*;
import java.net.ProtocolException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import java.util.HashMap;
public class KroggerAPITester {
final static String client_id = "listify-f6e083b133a87ab8a98b2ec4f580dedb9125180887245441161";
final static String client_secret = "hM88WJ3cJGou5jX1vNRZBqKKVmmcMMktTcTbvkRD";
final static String redirect_uri = "https://example.com/callback"; //subject to change as needed
final static String scope = "product.compact";
final static String authString = "listify-f6e083b133a87ab8a98b2ec4f580dedb9125180887245441161:hM88WJ3cJGou5jX1vNRZBqKKVmmcMMktTcTbvkRD";
public static String getKroggerAuthKey() {
String token = "not found";
try {
StringBuilder sb = new StringBuilder("https://api.kroger.com/v1/connect/oauth2/token");
String urlParameters = "grant_type=client_credentials&scope=product.compact";
byte[] postData = urlParameters.getBytes( StandardCharsets.UTF_8 );
int postDataLength = postData.length;
URL url = new URL(sb.toString());
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoOutput(true);
connection.setRequestMethod("POST");
connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
connection.setRequestProperty("Authorization", "Basic " + Base64.getEncoder().encodeToString(authString.getBytes()));
connection.setRequestProperty("charset", "UTF-8");
connection.setRequestProperty("Content-Length", Integer.toString( postDataLength ));
try( DataOutputStream wr = new DataOutputStream( connection.getOutputStream())) { //write body into POST request
wr.write( postData );
}
int responseStatus = connection.getResponseCode();
if(responseStatus == 200) {
System.out.println("Success");
try(BufferedReader br = new BufferedReader(
new InputStreamReader(connection.getInputStream(), "utf-8"))) {
StringBuilder response = new StringBuilder();
String responseLine;
while ((responseLine = br.readLine()) != null) {
response.append(responseLine.trim());
}
String jsonString = response.toString();
jsonString = jsonString.substring(1, jsonString.length() - 1);
HashMap<String, String> map = new HashMap<>();
String[] responses = jsonString.split(",");
for(int i = 0; i < responses.length; i++) {
String[] keyValue = responses[i].split(":");
map.put(keyValue[0], keyValue[1]);
}
if(map.containsKey("\"access_token\"")) {
token = map.get("\"access_token\"");
token = token.substring(1, token.length() - 1); //removes quotes at start and end
}
}
} else {
System.out.println(responseStatus);
}
connection.disconnect();
System.out.println(responseStatus);
} catch (IOException e) {
e.printStackTrace();
}
return token;
}
}