clientserver.ServerThread.java Source code

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Here is the source code for clientserver.ServerThread.java

Source

/*
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 */
package clientserver;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;

/**
 *
 * @author Ezhil
 */
public class ServerThread extends Thread {

    Socket socket = null;
    BufferedReader br = null;

    ServerThread(Socket socket) {
        this.socket = socket;
        initClientData();
    }

    @Override
    public void run() {
        try {
            InputStreamReader is = new InputStreamReader(socket.getInputStream());
            br = new BufferedReader(is);
            while (receive()) {
            }
            System.out.println("Reading socket closing");
            is.close();
            socket.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    boolean receive() {
        JSONParser jParser = null;
        String iJobj = null;
        JSONObject jReadobj = null;
        try {
            iJobj = br.readLine();
            jParser = new JSONParser();
            if (iJobj != null) {
                jReadobj = (JSONObject) jParser.parse(iJobj);
                System.out.println(
                        "Message from Client " + jReadobj.get("name") + ": " + (Long) jReadobj.get("value"));
                return true;
            } else {
                System.out.println("Read Socket closing");
                closeSocket();
                return false;
            }
        } catch (Exception e) {
            System.out.println("Read Socket closing" + e.getMessage());
            closeSocket();
            return false;
        }
    }

    void closeSocket() {
        try {
            br.close();
            socket.close();
        } catch (Exception e) {
            System.out.println("Read Socket closing Problem" + e.getMessage());
        }
    }

    final void initClientData() {
        try {
            OutputStreamWriter os = new OutputStreamWriter(socket.getOutputStream(), StandardCharsets.UTF_8);
            JSONObject jWriteobj = new JSONObject();
            jWriteobj.put("name1", "sp_on");
            jWriteobj.put("value1", 245);
            jWriteobj.put("name2", "sp_off");
            jWriteobj.put("value2", 45);
            jWriteobj.put("name3", "mc_on");
            jWriteobj.put("value3", 3455);
            jWriteobj.put("name4", "mc_off");
            jWriteobj.put("value4", 2045);
            os.write(jWriteobj.toString());
            os.flush();
        } catch (IOException e) {
            System.out.println("Write socket closing" + e.getMessage());
        }
    }
}