在項(xiàng)目開發(fā)中使用到了telnet于是乎寫了個(gè)精致的小Demo

效果圖:

telnet簡(jiǎn)單理解就當(dāng)它是個(gè)socket去處理,概念問(wèn)題就不描述了直接擼碼理解吧.

public class TelnetManage {private static TelnetManage telnetManage;private boolean boo = false;private TelnetClient telnetClient;private InputStream in = null;private OutputStream out = null;private Map<String, TelnetMsgCall> telnetMsgCallMap = new HashMap<>();public static TelnetManage getInstance() {if (telnetManage == null)telnetManage = new TelnetManage();return telnetManage;}public void connect(final String ip, final int port) {if (!boo) {boo = true;new Thread(new Runnable() {@Overridepublic void run() {try {telnetClient = new TelnetClient();telnetClient.connect(ip, port);if (telnetMsgCallMap != null) {for (TelnetMsgCall telnetMsgCall : telnetMsgCallMap.values()) {telnetMsgCall.onConnectState(telnetClient.isConnected());}}in = telnetClient.getInputStream();out = telnetClient.getOutputStream();new ReadThread().start();} catch (Exception e) {e.printStackTrace();if (telnetMsgCallMap != null) {for (TelnetMsgCall telnetMsgCall : telnetMsgCallMap.values()) {telnetMsgCall.onConnectState(false);}}}}}).start();}}public void sendMsg(final String msg) {if (out != null) {new Thread(new Runnable() {@Overridepublic void run() {try {out.write(msg.getBytes());out.flush();} catch (Exception e) {e.printStackTrace();}}}).start();}}private class ReadThread extends Thread {@Overridepublic void run() {try {while (boo && in != null) {byte[] data = new byte[1024];int len = in.read(data);if (len != -1) {String msg = new String(data, 0, len);if (telnetMsgCallMap != null) {for (TelnetMsgCall telnetMsgCall : telnetMsgCallMap.values()) {telnetMsgCall.onMessage(msg);}}}}} catch (Exception e) {e.printStackTrace();}}}public TelnetClient getTelnetClient() {return telnetClient;}public void disconnect() {try {if (telnetClient != null) {telnetClient.disconnect();}boo = false;} catch (IOException e) {e.printStackTrace();}}public interface TelnetMsgCall {void onMessage(String msg);void onConnectState(boolean isConnected);}public void addTelnetMsgCall(String key, TelnetMsgCall telnetMsgCall) {telnetMsgCallMap.put(key, telnetMsgCall);}public void removeTelnetMsgCall(String key) {telnetMsgCallMap.remove(key);}}

到這里可能會(huì)有人說(shuō) "我不想努力了!", OK? 精致小Demo給大家享用,有問(wèn)題歡迎大家指教和交流.

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