mobile/android/base/util/FileUtils.java

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 package org.mozilla.gecko.util;
michael@0 6
michael@0 7 import android.util.Log;
michael@0 8
michael@0 9 import java.io.File;
michael@0 10 import java.io.IOException;
michael@0 11 import java.io.FilenameFilter;
michael@0 12
michael@0 13 import org.mozilla.gecko.mozglue.RobocopTarget;
michael@0 14
michael@0 15 public class FileUtils {
michael@0 16 private static final String LOGTAG= "GeckoFileUtils";
michael@0 17 /*
michael@0 18 * A basic Filter for checking a filename and age.
michael@0 19 **/
michael@0 20 static public class NameAndAgeFilter implements FilenameFilter {
michael@0 21 final private String mName;
michael@0 22 final private double mMaxAge;
michael@0 23
michael@0 24 public NameAndAgeFilter(String name, double age) {
michael@0 25 mName = name;
michael@0 26 mMaxAge = age;
michael@0 27 }
michael@0 28
michael@0 29 @Override
michael@0 30 public boolean accept(File dir, String filename) {
michael@0 31 if (mName == null || mName.matches(filename)) {
michael@0 32 File f = new File(dir, filename);
michael@0 33
michael@0 34 if (mMaxAge < 0 || System.currentTimeMillis() - f.lastModified() > mMaxAge) {
michael@0 35 return true;
michael@0 36 }
michael@0 37 }
michael@0 38
michael@0 39 return false;
michael@0 40 }
michael@0 41 }
michael@0 42
michael@0 43 @RobocopTarget
michael@0 44 public static void delTree(File dir, FilenameFilter filter, boolean recurse) {
michael@0 45 String[] files = null;
michael@0 46
michael@0 47 if (filter != null) {
michael@0 48 files = dir.list(filter);
michael@0 49 } else {
michael@0 50 files = dir.list();
michael@0 51 }
michael@0 52
michael@0 53 if (files == null) {
michael@0 54 return;
michael@0 55 }
michael@0 56
michael@0 57 for (String file : files) {
michael@0 58 File f = new File(dir, file);
michael@0 59 delete(f, recurse);
michael@0 60 }
michael@0 61 }
michael@0 62
michael@0 63 public static boolean delete(File file) throws IOException {
michael@0 64 return delete(file, true);
michael@0 65 }
michael@0 66
michael@0 67 public static boolean delete(File file, boolean recurse) {
michael@0 68 if (file.isDirectory() && recurse) {
michael@0 69 // If the quick delete failed and this is a dir, recursively delete the contents of the dir
michael@0 70 String files[] = file.list();
michael@0 71 for (String temp : files) {
michael@0 72 File fileDelete = new File(file, temp);
michael@0 73 try {
michael@0 74 delete(fileDelete);
michael@0 75 } catch(IOException ex) {
michael@0 76 Log.i(LOGTAG, "Error deleting " + fileDelete.getPath(), ex);
michael@0 77 }
michael@0 78 }
michael@0 79 }
michael@0 80
michael@0 81 // Even if this is a dir, it should now be empty and delete should work
michael@0 82 return file.delete();
michael@0 83 }
michael@0 84 }

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