src/eu/alefzero/owncloud/DisplayUtils.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package eu.alefzero.owncloud;
  20
  21 import java.util.HashMap;
  22
  23 /**
  24  * A helper class for some string operations.
  25  * @author Bartek Przybylski
  26  *
  27  */
  28 public class DisplayUtils {
  29   public static String bitsToHumanReadable(long bitsLen) {
  30     double result = bitsLen;
  31     int attachedsuff = 0;
  32     while (result > 1024 && attachedsuff < suffixes.length) {
  33       result /= 1024.;
  34       attachedsuff++;
  35     }
  36     result = ((int)(result * 100))/100.;
  37     return result+suffixes[attachedsuff];
  38   }
  39
  40   public static String HtmlDecode(String s) {
  41     String ret = "";
  42     for (int i = 0; i < s.length(); ++i) {
  43       if (s.charAt(i) == '%') {
  44         ret += (char)Integer.parseInt(s.substring(i+1, i+3), 16);
  45         i+=2;
  46       } else {
  47         ret += s.charAt(i);
  48       }
  49     }
  50     return ret;
  51   }
  52
  53   public static String convertMIMEtoPrettyPrint(String mimetype) {
  54     if (mimeType2HUmanReadable.containsKey(mimetype)) {
  55       return mimeType2HUmanReadable.get(mimetype);
  56     }
  57     return mimetype.split("/")[1].toUpperCase() + " file";
  58   }
  59
  60   private static final String[] suffixes = {"B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"};
  61
  62   private static HashMap<String, String> mimeType2HUmanReadable;
  63   static {
  64     mimeType2HUmanReadable = new HashMap<String, String>();
  65     // images
  66     mimeType2HUmanReadable.put("image/jpeg", "JPEG image");
  67     mimeType2HUmanReadable.put("image/jpg", "JPEG image");
  68     mimeType2HUmanReadable.put("image/png", "PNG image");
  69     mimeType2HUmanReadable.put("image/bmp", "Bitmap image");
  70     mimeType2HUmanReadable.put("image/gif", "GIF image");
  71     mimeType2HUmanReadable.put("image/svg+xml", "JPEG image");
  72     mimeType2HUmanReadable.put("image/tiff", "TIFF image");
  73     // music
  74     mimeType2HUmanReadable.put("audio/mpeg", "MP3 music file");
  75     mimeType2HUmanReadable.put("application/ogg", "OGG music file");
  76
  77   }
  78 }