import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.io.*;
import java.io.File;

public class zad3 {
    public static void main(String[] args) {
        System.out.println("Zadanie 3:");
        String text="";
        try {
            FileInputStream fis = new FileInputStream("Z:\\PPJ\\cw27\\serverLog.txt");
            int b = 0;
            while ((b = fis.read()) != -1) {
                //System.out.print((char) b);
                text=text+(char)b;
            }
        }
        catch (Exception e) {
            System.out.print(e);
        }

        String text1 = text;
        String text2=" ";
        String regex1 = "([0-9]{1,3}\\.){3}[0-9]{1,3}";
        Pattern p1 = Pattern.compile(regex1);
        Matcher m1 = p1.matcher(text1);
        System.out.println(m1.matches());
        while(m1.find()){
            text2=text2+m1.group()+"\n";
        }
        System.out.println(text2);

        String text3="";
        String regex2 = "[0-9]{1,3}";
        Pattern p2 = Pattern.compile(regex2);
        Matcher m2 = p2.matcher(text2);
        System.out.println(m2.matches());
        while(m2.find()){
            System.out.println(m2.group());
            text3=text3+Integer.toHexString(Integer.valueOf(m2.group()))+".";
        }
        System.out.println(text3);

        String text4="";
        String regex3 = "(\\w{1,2}\\.){3}\\w{1,2}";
        Pattern p3 = Pattern.compile(regex3);
        Matcher m3 = p3.matcher(text3);
        System.out.println(m3.matches());
        int i=1;
        while(m3.find()){
            System.out.println(m3.group());
            text4=text4+i+"\t"+m3.group()+"\n";
            i=i+1;
        }
        System.out.println(text4);

        File file = new File("Z:\\PPJ\\cw27\\log2.txt");
        try (FileOutputStream fop = new FileOutputStream(file)) {
            if (!file.exists()) {
                file.createNewFile();
            }
            byte[] byte1 = text4.getBytes();
            fop.write(byte1);
            fop.flush();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}