WIP GDPR query processor

Signed-off-by: Lixfel <agga-games@gmx.de>

src/de/steamwar/bungeecore/commands/GDPRQuery.java

@@ -6,7 +6,6 @@ import net.md_5.bungee.api.CommandSender;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 
 import java.io.*;
-import java.sql.SQLException;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 
@@ -91,15 +90,16 @@ public class GDPRQuery extends BasicCommand {
 
     private void sqlCSV(SteamwarUser user, ZipOutputStream out, Statement statement, String path) throws IOException {
         write(stream -> {
-            PrintWriter writer = new PrintWriter(stream);
+            OutputStreamWriter writer = new OutputStreamWriter(stream);
             statement.select(rs -> {
+                try {
                     int columns = rs.getMetaData().getColumnCount();
 
                     for(int i = 1; i <= columns; i++) {
-                    writer.write(rs.getMetaData().getColumnName(1));
+                        writer.write(rs.getMetaData().getColumnLabel(i));
                         writer.write(";");
                     }
-                writer.println();
+                    writer.write("\n");
 
                     while(rs.next()) {
                         for(int i = 1; i <= columns; i++) {
@@ -110,7 +110,11 @@ public class GDPRQuery extends BasicCommand {
                             }
                             writer.write(";");
                         }
-                    writer.println();
+                        writer.write("\n");
+                    }
+                    writer.flush();
+                } catch (IOException e) {
+                    throw new SecurityException("Could not write file", e);
                 }
                 return null;
             }, user.getId());
@@ -121,20 +125,13 @@ public class GDPRQuery extends BasicCommand {
         personalKitData.select(rs -> {
             while(rs.next()) {
                 try {
-                    write(stream -> {
-                        try {
-                            new PrintWriter(stream).print(rs.getString("Inventory"));
-                        } catch (SQLException e) {
-                            throw new SecurityException("Could not export PersonalKits", e);
+                    String path = "PersonalKit/" + rs.getString("GameMode") + "/" + rs.getString("Name");
+                    try(InputStream data = rs.getBinaryStream("Inventory")) {
+                        copy(data, out, path + ".Inventory.yml");
                     }
-                    }, out, "PersonalKit/" + rs.getString("GameMode") + "/" + rs.getString("Name") + ".Inventory.yml");
-                    write(stream -> {
-                        try {
-                            new PrintWriter(stream).print(rs.getString("Armor"));
-                        } catch (SQLException e) {
-                            throw new SecurityException("Could not export PersonalKits", e);
+                    try(InputStream data = rs.getBinaryStream("Armor")) {
+                        copy(data, out, path + ".Armor.yml");
                     }
-                    }, out, "PersonalKit/" + rs.getString("GameMode") + "/" + rs.getString("Name") + ".Armor.yml");
                 } catch (IOException e) {
                     throw new SecurityException("Could not export PersonalKits", e);
                 }