annotate src/goodjava/io/IoUtils.java @ 1491:491b355acef7

minor
author Franklin Schmidt <fschmidt@gmail.com>
date Sat, 02 May 2020 21:09:17 -0600
parents af55cfad6e12
children 471ef3e6a84e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1473
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
1 package goodjava.io;
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
2
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
3 import java.io.File;
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
4 import java.io.IOException;
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
5 import java.nio.file.Files;
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
6
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
7
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
8 public final class IoUtils {
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
9 private IoUtils() {} // never
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
10
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
11 public static void move( File from, File to ) throws IOException {
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
12 Files.move( from.toPath(), to.toPath() );
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
13 }
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
14
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
15 public static void delete(File file) throws IOException {
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
16 Files.deleteIfExists( file.toPath() );
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
17 }
1475
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
18
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
19 public static boolean isSymbolicLink(File file) {
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
20 return Files.isSymbolicLink(file.toPath());
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
21 }
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
22
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
23 public static void deleteRecursively(File file) throws IOException {
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
24 if( file.isDirectory() && !isSymbolicLink(file) ) {
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
25 for( File f : file.listFiles() ) {
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
26 deleteRecursively(f);
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
27 }
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
28 }
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
29 delete(file);
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
30 }
c7b86342857f more IoUtils
Franklin Schmidt <fschmidt@gmail.com>
parents: 1473
diff changeset
31
1488
af55cfad6e12 start lucene.backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
32 public static void link(File from,File to) throws IOException {
af55cfad6e12 start lucene.backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
33 Files.createLink( to.toPath(), from.toPath() );
af55cfad6e12 start lucene.backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
34 }
af55cfad6e12 start lucene.backup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1475
diff changeset
35
1473
6c6ce14db6a8 add goodjava.io
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
36 }