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create DatabaseConnector and test it

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This commit is contained in:
Rémi Heredero
2023-05-17 14:13:27 +02:00
parent cdc5dddb80
commit 7e9ae2e1f1
3 changed files with 67 additions and 8 deletions
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58
src/main/java/ch/hevs/isi/db/DatabaseConnector.java
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@@ -3,14 +3,38 @@ package ch.hevs.isi.db;
import ch.hevs.isi.core.DataPoint;
import ch.hevs.isi.core.DataPointListener;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Properties;
public class DatabaseConnector implements DataPointListener {
String token = "bW6-s_EkTkZ-rT-Mj0kt1uZQYOPKio5FdEK-OtwWJlxDwYQ5OkH599t1jUz4VV47SrkKonLDHB0jRJ3Eu6OUTA==";
Properties properties = new Properties();
String default_token = System.getenv("SECRET_TOKEN");
String default_url;
String default_org;
String default_bucket;
String fullURL;
URL myURL;
HttpURLConnection con;
private static DatabaseConnector mySelf = null;
private DatabaseConnector (){
try (InputStream input = new FileInputStream("src/config.properties")) {
properties.load(input);
} catch (Exception e) {
e.printStackTrace();
}
default_url = properties.getProperty("URL");
default_org = properties.getProperty("ORG");
default_bucket = properties.getProperty("BUCKET");
}
public static DatabaseConnector getMySelf(){
@@ -20,11 +44,39 @@ public class DatabaseConnector implements DataPointListener {
return mySelf;
}
public void initialize(String url){
String org = default_org;
String bucket = default_bucket;
fullURL = url + "/api/v2/write?org=" + org + "&bucket=" + bucket;
System.out.println(fullURL);
try{
myURL = new URL(fullURL);
} catch (MalformedURLException e) {
throw new RuntimeException(e);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private void pushToDatabase(DataPoint dp){
System.out.println(dp.toString() + " -> Database");
String data = "measurement " + dp.toString();
try {
HttpURLConnection con = (HttpURLConnection) myURL.openConnection();
con.setRequestMethod("POST");
con.setRequestProperty("Authorization", "Token " + default_token);
con.setRequestProperty("Content-Type", "application/json");
con.setDoOutput(true);
OutputStreamWriter writer = new OutputStreamWriter(con.getOutputStream());
writer.write(data);
writer.flush();
int respondCode = con.getResponseCode();
System.out.println(dp.toString() + " -> Database. Code: " + respondCode);
con.disconnect();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override