cleaning

src/handshake/PingCommand.java

-package handshake;
-
-import model.Command;
-import parser.CommandParser;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.util.List;
-
-public class PingCommand extends Sender {
-    public PingCommand(CommandParser commandParser) {
-        super(commandParser);
-    }
-
-    @Override
-    public void send(BufferedReader bufferedReader, OutputStream outputStream) throws IOException {
-        byte[] bytes = commandParser.getResponseFromCommandArray(List.of(Command.PING.getValue().toLowerCase())).getBytes();
-        outputStream.write(bytes);
-        outputStream.flush();
-    }
-}

src/handshake/ReplConfCommand.java

-package handshake;
-
-
-import model.Command;
-import parser.CommandParser;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.util.List;
-
-public class ReplConfCommand extends Sender {
-    private final String port;
-
-    public ReplConfCommand(String port, CommandParser commandParser) {
-        super(commandParser);
-        this.port = port;
-    }
-
-    @Override
-    public void send(BufferedReader bufferedReader, OutputStream outputStream) throws IOException {
-        String replconfResp = "";
-        replconfResp = getReplConfResp(bufferedReader, outputStream);
-
-        if (!replconfResp.isEmpty()) {
-            replconfResp = sendReplConfCapa(bufferedReader, outputStream);
-        }
-        if (!replconfResp.isEmpty()) {
-            outputStream.write(commandParser.getResponseFromCommandArray(List.of(Command.PSYNC.getValue(), "?", "-1")).getBytes());
-        }
-    }
-
-    private String sendReplConfCapa(BufferedReader bufferedReader, OutputStream outputStream) throws IOException {
-        outputStream.write(commandParser.getResponseFromCommandArray(List.of(
-                        Command.REPLCONF.getValue(),
-                        "capa",
-                        "npsync2")
-                ).getBytes()
-        );
-        outputStream.flush();
-        return bufferedReader.readLine();
-    }
-
-    private String getReplConfResp(BufferedReader bufferedReader, OutputStream outputStream) throws IOException {
-        outputStream.write(commandParser.getResponseFromCommandArray(List.of(
-                        Command.REPLCONF.getValue(),
-                        "listening-port",
-                        String.valueOf(port))
-                ).getBytes()
-        );
-        outputStream.flush();
-        return bufferedReader.readLine();
-    }
-}

src/handshake/Sender.java

-package handshake;
-
-import parser.CommandParser;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.OutputStream;
-
-public abstract class Sender {
-    protected final CommandParser commandParser;
-
-    protected Sender(CommandParser commandParser) {
-        this.commandParser = commandParser;
-    }
-
-    public abstract void send(BufferedReader bufferedReader, OutputStream outputStream) throws IOException;
-}