The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/base/util/FileUtils.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,84 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +package org.mozilla.gecko.util;
     1.9 +
    1.10 +import android.util.Log;
    1.11 +
    1.12 +import java.io.File;
    1.13 +import java.io.IOException;
    1.14 +import java.io.FilenameFilter;
    1.15 +
    1.16 +import org.mozilla.gecko.mozglue.RobocopTarget;
    1.17 +
    1.18 +public class FileUtils {
    1.19 +    private static final String LOGTAG= "GeckoFileUtils";
    1.20 +    /*
    1.21 +    * A basic Filter for checking a filename and age.
    1.22 +    **/
    1.23 +    static public class NameAndAgeFilter implements FilenameFilter {
    1.24 +        final private String mName;
    1.25 +        final private double mMaxAge;
    1.26 +
    1.27 +        public NameAndAgeFilter(String name, double age) {
    1.28 +            mName = name;
    1.29 +            mMaxAge = age;
    1.30 +        }
    1.31 +
    1.32 +        @Override
    1.33 +        public boolean accept(File dir, String filename) {
    1.34 +            if (mName == null || mName.matches(filename)) {
    1.35 +                File f = new File(dir, filename);
    1.36 +
    1.37 +                if (mMaxAge < 0 || System.currentTimeMillis() - f.lastModified() > mMaxAge) {
    1.38 +                    return true;
    1.39 +                }
    1.40 +            }
    1.41 +
    1.42 +            return false;
    1.43 +        }
    1.44 +    }
    1.45 +
    1.46 +    @RobocopTarget
    1.47 +    public static void delTree(File dir, FilenameFilter filter, boolean recurse) {
    1.48 +        String[] files = null;
    1.49 +
    1.50 +        if (filter != null) {
    1.51 +          files = dir.list(filter);
    1.52 +        } else {
    1.53 +          files = dir.list();
    1.54 +        }
    1.55 +
    1.56 +        if (files == null) {
    1.57 +          return;
    1.58 +        }
    1.59 +
    1.60 +        for (String file : files) {
    1.61 +            File f = new File(dir, file);
    1.62 +            delete(f, recurse);
    1.63 +        }
    1.64 +    }
    1.65 +
    1.66 +    public static boolean delete(File file) throws IOException {
    1.67 +        return delete(file, true);
    1.68 +    }
    1.69 +
    1.70 +    public static boolean delete(File file, boolean recurse) {
    1.71 +        if (file.isDirectory() && recurse) {
    1.72 +            // If the quick delete failed and this is a dir, recursively delete the contents of the dir
    1.73 +            String files[] = file.list();
    1.74 +            for (String temp : files) {
    1.75 +                File fileDelete = new File(file, temp);
    1.76 +                try {
    1.77 +                    delete(fileDelete);
    1.78 +                } catch(IOException ex) {
    1.79 +                    Log.i(LOGTAG, "Error deleting " + fileDelete.getPath(), ex);
    1.80 +                }
    1.81 +            }
    1.82 +        }
    1.83 +
    1.84 +        // Even if this is a dir, it should now be empty and delete should work
    1.85 +        return file.delete();
    1.86 +    }
    1.87 +}