servertimertask.java

Firewall Application & source code.

package fwserver;

import java.util.*;
import java.net.Socket;
import java.io.IOException;
import java.io.FileWriter;
import java.net.ServerSocket;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.FileReader;
import java.io.BufferedWriter;
import java.io.BufferedReader;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2005</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class ServerTimerTask extends TimerTask {
    public ServerTimerTask() {
    }

    /**
     * When an object implementing interface <code>Runnable</code> is used to
     * create a thread, starting the thread causes the object's
     * <code>run</code> method to be called in that separately executing
     * thread.
     *
     * @todo Implement this java.lang.Runnable method
     */
    public void run() {
        FileInputStream fin;
        FileWriter fout = null;
        StringBuffer buffer = new StringBuffer();
        String line;
        String rule;
        String line_new;
        ServerSocket ssock;
        Socket sock = null;
        try {
            ssock = new ServerSocket(1234);
            System.out.println("Listening");
            sock = ssock.accept();
            ssock.close();

        } catch (Exception ee) {
            System.err.print(ee);
        }

        try {
            //FileReader fread = new FileReader("1234.txt");
            // BufferedReader finput = new BufferedReader(fread);
            //BufferedReader finput = new BufferedReader(fread);
            // Receive the Client's Information

            // ObjectInputStream input = new ObjectInputStream(sock.
            //         getInputStream());
            // line = (String) input.readObject();
            InputStreamReader pss = new InputStreamReader(sock.
                    getInputStream());
            BufferedReader ins = new BufferedReader(pss);
            String strnumber = ins.readLine();
            int number = (new Integer(strnumber)).intValue();
            //line = ins.readLine();
            //line_new = line.substring(1, line.length());
            //System.err.println(line_new);
            //rule = ins.readLine();
            for (int i = 0; i < number; i++) {
                line = ins.readLine();
                rule = ins.readLine();
                if (!line.equals(null)) {
                    line_new = line.substring(1, line.length());
                } else {
                    line_new = "";
                }

                FileReader fread = new FileReader("1234.txt");
                BufferedReader finput = new BufferedReader(fread);
                byte buf[] = line.getBytes();
                String temp = new String();
                temp = finput.readLine();
                while (temp != null) {
                    if (line_new.equals(" [MANUAL UDP low REJECT]")) { //多一空格
                        while (temp != null) {
                            buffer.append(temp + "\r\n");
                            temp = finput.readLine();
                            if (temp != null) {
                                while (temp != null) {
                                    if (temp.equals("[MANUAL UDP low REJECT]")) {
                                        buffer.append(temp + "\r\n");
                                        //buffer.append(
                                        //        "REJECT, 1024 - 60000, default, 2005-01-01 00:00:00, PERPETUAL, 1000, unknown" +
                                        //        "\r\n");
                                        buffer.append(rule + "\r\n");
                                        temp = finput.readLine();
                                    } else {
                                        buffer.append(temp + "\r\n");
                                        temp = finput.readLine();
                                    }
                                }
                            }
                        }
                        break;
                    }
                    if (line_new.equals(" [MANUAL IP ACCEPT]")) {
                        while (temp != null) {
                            buffer.append(temp + "\r\n");
                            temp = finput.readLine();
                            if (temp != null) {
                                while (temp != null) {
                                    if (temp.equals("[MANUAL IP ACCEPT]")) {
                                        buffer.append(temp + "\r\n");
                                        //buffer.append(
                                        //        "REJECT, 1024 - 60000, default, 2005-01-01 00:00:00, PERPETUAL, 1000, unknown" +
                                        //        "\r\n");
                                        buffer.append(rule + "\r\n");
                                        temp = finput.readLine();
                                    } else {
                                        buffer.append(temp + "\r\n");
                                        temp = finput.readLine();
                                    }
                                }
                            }
                        }
                        break;
                    }
                    temp = finput.readLine();
                }
                finput.close();
                fread.close();
                try {
                    fout = new FileWriter("1234.txt");
                    BufferedWriter writer = new BufferedWriter(fout);
                    /*String str ="[auto IP xxxx]";
                                         int indextemp=buffer.indexOf(str);
                     buffer.insert(indextemp+str.length()+1,"\r\n"+"insert a line rule"+  "\r\n");*/
                    fout.write(buffer.toString());
                    sock.close();
                    fout.close();

                    buffer.replace(0, buffer.length(), "");

                } catch (IOException ee) {
                    System.out.println("Write  File  Error ");
                }

                //rule = ins.readLine();
            }

        } catch (Exception eee) {
            System.out.println("Read File Error");
            System.out.println(eee);
        }

    }

    public static void main(String[] args) {
        ServerTimerTask servertimertask = new ServerTimerTask();
    }
}