Socks4CommandType Class — netty Architecture

Source Code

codec-socks/src/main/java/io/netty/handler/codec/socksx/v4/Socks4CommandType.java lines 23–83

public class Socks4CommandType implements Comparable<Socks4CommandType> {

    public static final Socks4CommandType CONNECT = new Socks4CommandType(0x01, "CONNECT");
    public static final Socks4CommandType BIND = new Socks4CommandType(0x02, "BIND");

    public static Socks4CommandType valueOf(byte b) {
        switch (b) {
        case 0x01:
            return CONNECT;
        case 0x02:
            return BIND;
        }

        return new Socks4CommandType(b);
    }

    private final byte byteValue;
    private final String name;
    private String text;

    public Socks4CommandType(int byteValue) {
        this(byteValue, "UNKNOWN");
    }

    public Socks4CommandType(int byteValue, String name) {
        this.name = ObjectUtil.checkNotNull(name, "name");
        this.byteValue = (byte) byteValue;
    }

    public byte byteValue() {
        return byteValue;
    }

    @Override
    public int hashCode() {
        return byteValue;
    }

    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof Socks4CommandType)) {
            return false;
        }

        return byteValue == ((Socks4CommandType) obj).byteValue;
    }

    @Override
    public int compareTo(Socks4CommandType o) {
        return byteValue - o.byteValue;
    }

    @Override
    public String toString() {
        String text = this.text;
        if (text == null) {
            this.text = text = name + '(' + (byteValue & 0xFF) + ')';
        }
        return text;
    }
}