Command.java

gehe zur Dokumentation dieser Datei

package de.lathanda.eos.ev3;
 
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
 
public class Command {
    public static final int TURN_LEFT         = 0;
    public static final int TURN_RIGHT        = 1;
    public static final int MOVE_FORWARD      = 2;
    public static final int MOVE_BACKWARD     = 3;
    public static final int HONK              = 4;
    public static final int DISCONNECT        = 5;
    public static final int REQUEST_DISTANCE  = 6;
    public static final int TRANSMIT_DISTANCE = 7;
    public static final int REQUEST_ANGLE     = 8;
    public static final int TRANSMIT_ANGLE    = 9;
        
    private final int code;
    private final int[] data;
    Command(int code, int ... data) {
        this.code = code;
        this.data = data;
    }
    public static Command receive(DataInputStream in) throws IOException {
        int code = in.readInt();
        int length = in.readInt();
        int[] data = new int[length];
        for (int i = 0; i < length; i++) {
            data[i] = in.readInt();
        }
        return new Command(code, data);
    }
    public void send(DataOutputStream out) throws IOException {     
        out.writeInt(code);
        out.writeInt(data.length);
        for (int i = 0; i < data.length; i++) {
            out.writeInt(data[i]);
        }
    }
    public int getCode() {
        return code;
    }
    public int getData(int index) {
        return data[index];
    }   
}