javaIO_avgust

package javaIO_avgust;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

public class javaIO_avgust {

    public static void main(String[] args) throws IOException {
        String in = "in";
        String out = "out";
        smallFiles(in, out);
    }

    public static void smallFiles(String in, String out) throws IOException {
        File inDir = new File(in);
        File outDir = new File(out);
        rekurzija(inDir, outDir);
    }

    public static void rekurzija(File in, File out) throws IOException {
        File[] fajlovi = in.listFiles();
        long size = 0;
        StringBuilder sb = new StringBuilder();
        BufferedWriter bw = null;

        for (File f : fajlovi) {
            if (f.isFile()) {
                if (f.getName().endsWith(".txt")) {
                    size = f.length() / 1024;
                    if (size < 100) {
                        try {
                            bw = new BufferedWriter(new FileWriter(out + "/files.txt"));

                            if (f.canRead()) {
                                if (f.canWrite()) {
                                    if (f.canExecute()) {
                                        sb.append(f.getName() + ", " + f.getAbsolutePath() + ", " + "RWX" + System.lineSeparator());
                                    } else {
                                        sb.append(f.getName() + ", " + f.getAbsolutePath() + ", " + "RW-" + System.lineSeparator());
                                    }
                                } else {
                                    if (f.canExecute()) {
                                        sb.append(f.getName() + ", " + f.getAbsolutePath() + ", " + "R-X" + System.lineSeparator());
                                    } else {
                                        sb.append(f.getName() + ", " + f.getAbsolutePath() + ", " + "R--" + System.lineSeparator());
                                    }
                                }
                            } else {
                                if (f.canWrite()) {
                                    if (f.canExecute()) {
                                        sb.append(f.getName() + ", " + f.getAbsolutePath() + ", " + "-WX" + System.lineSeparator());
                                    } else {
                                        sb.append(f.getName() + ", " + f.getAbsolutePath() + ", " + "-W-" + System.lineSeparator());
                                    }
                                } else {
                                    if (f.canExecute()) {
                                        sb.append(f.getName() + ", " + f.getAbsolutePath() + ", " + "--X" + System.lineSeparator());
                                    } else {
                                        sb.append(f.getName() + ", " + f.getAbsolutePath() + ", " + "---" + System.lineSeparator());
                                    }
                                }
                            }
                            String line = sb.toString();
                            bw.write(line);

                        } finally {
                            if (bw != null)
                                bw.close();
                        }
                    }
                }
            } else if (f.isDirectory()) {
                rekurzija(f, out);
            }
        }
    }

}